networkprotocols/tcpipv4v6prt/src/ip6.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 15:23:49 +0200
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// ip6.cpp - IPv6 protocol
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//
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#include "inet6log.h"
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#include <ip6_hdr.h>
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#include <ip4_hdr.h>
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#include <icmp6_hdr.h>
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#include <udp_hdr.h>
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#include <in_pkt.h>
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#include <in_chk.h>
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#include <in6_if.h>	// only for KIpBroadcastOnLink
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#include "ip6.h"
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#include <ip6_hook.h>
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#include <ip6_iprt.h>
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#include "ip6_rth.h"
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#include "ip6_doh.h"
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#include "ip6_frag.h"
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#include "in_flow.h"
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#include "iface.h"
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#include "in_net.h"
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#include <ext_hdr.h>
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#include <inet6err.h>
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#include "loop6.h"
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#include "res.h"	// only for KProtocolInet6Res
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#include "addr46.h"
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#include "tcpip_ini.h"
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#include <comms-infras/nifif_internal.h>
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// The preprocessor symbol: ARP
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// ----------------------------
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// Add code for doing IPv4 Address Resolution Protocol (ARP) on
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// IPv4 interfaces that specify "NeedNd". (also needed in ïface.cpp)
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#ifdef ARP
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#include <arp_hdr.h>
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#endif
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static const TLitC8<sizeof(TInt)> KInetOptionDisable = {sizeof(TInt), {0}};
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//
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//	****************
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//	TUpperLayerSnoop
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//	****************
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//	A simple class to map the first 4 bytes of the packet into
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//	ports or icmp type/code. This is used to snoop the upper
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//	layer information. (The use of "real" upper layer header
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//	classes directly would complicate things: each protocol
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//	would need to have a separate mapping)
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//
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class TUpperLayerSnoop
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	{
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	public:
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		//
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		// Basic
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		//
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		inline static TInt MinHeaderLength() {return 4; }
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		inline static TInt MaxHeaderLength() {return 4; }
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		union
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			{
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			//
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			// The same mapping will do for both TCP and UDP,
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			// as only port fields are really accessed.
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			//
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			TInet6HeaderUDP udp;
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			TInet6HeaderICMP icmp;
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			};
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	};
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//
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//
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//	CProtocolIP6
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//	************
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//	The implementation and even the class definition of CProtocolIP6 is
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//	totally internal to ip6.cpp. No other module needs to know any of the
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//	internals. Thus, all declarations of the CProtocolIP6 are included here
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//
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//
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class CHookEntry;
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class THookList
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	{
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	friend class CProtocolIP;
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	friend class CProtocolIP4;
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	friend class CProtocolIP6;
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	void AddL(CProtocolBase *aProtocol);
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	void AddL(CIp6Hook *aHook, TInt aPriority);
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	TInt AddByOrderListL(CIp6Hook *aHook,  const TDesC &aName, const TDesC &aOrdering, const TInt aPriority);
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	TInt Remove(const CProtocolBase *const aProtocol);
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	TInt Remove(const CIp6Hook *const aHook);
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	TInt Remove(const TAny *const any);
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	TInt RemoveAll();
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	void StartSending(CProtocolBase *aSource);
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	void StartSending(CProtocolBase *aIface, CProtocolBase *aSrc);
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	void Error(TInt aError, CProtocolBase *aSource);
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	void Error(TInt aError, CProtocolBase *aIface, CProtocolBase *aSrc);
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	void InterfaceAttached(const TDesC &aName, CNifIfBase *aIf);
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	void InterfaceDetached(const TDesC &aName, CNifIfBase *aIf);
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private:
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	void Delink(CHookEntry *p, CHookEntry *h);
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	void Link(CHookEntry *p, CHookEntry *h);
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	CHookEntry *iHead;
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	TUint iChainId;
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	};
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//
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//	TBoundHookEntry
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//	---------------
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//		Bookkeeping entry for the protocols that are bound via
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//		esock.ini directive to the IP6 instance
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//
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class TBoundHookEntry
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	{
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public:
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	CProtocolBaseUnbind *iProtocol;	// Bound protocol, always non-NULL!
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	CNifIfBase *iInterface;			// Interface, non-NULL for a special "interface protocol"
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	};
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//
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//	TIcmpThrottle
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//	-------------
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//
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class TIcmpThrottle
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	{
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public:
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	TIcmpThrottle() :
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//		iMask((TUint32)(~((1 << 26) - 1))),	// mask matching about 67 seconds
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		iMask((TUint32)(~((1 << 23) - 1))),	// mask matching about 8 seconds
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		iStamp(0)
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		{}
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	TInt Suppress();
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	inline void SetMax(TInt aMax) { iMax = aMax; }
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private:
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	const TUint32 iMask;
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	TUint32 iStamp;
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	TInt iMax, iCount;
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	};
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TInt TIcmpThrottle::Suppress()
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	{
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	TTime now;
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	//
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	// The idea is to have a low overhead throttle test by
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	// defining the interval as a 2**N of microseconds
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	// (2**23 ~ 8 seconds), and just using the remaining
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	// high order bits as a time stamp, which when changed
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	// allows more to send... (this will allow a burst of
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	// of iMax messages, in the beginning of time interval!)
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	//
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	now.UniversalTime();
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#ifdef I64LOW
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	TUint ref = (TUint)I64LOW(now.Int64()) & iMask;
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#else
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	TUint ref = now.Int64().Low() & iMask;
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#endif
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	if (ref != iStamp)
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		{
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		iStamp = ref;
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		iCount = 0;
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		}
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	return ++iCount > iMax;
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	}
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// TPacketContextItem
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// ******************
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class TPacketContextItem
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	{
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public:
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	TUint32 iKey, iValue;
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	};
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class CProtocolIP : public CProtocolInet6Network, public MNetworkServiceExtension, public MPacketContext
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	{
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	friend class IP6;
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public:
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	CProtocolIP(CIfManager *aInterfacer, TInt aProtocol);
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	~CProtocolIP();
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	void InitL(TDesC& aTag);
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	CServProviderBase* NewSAPL(TUint aSockType);
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	void BindToL(CProtocolBase *protocol);
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	void BindL(CProtocolBase *protocol, TUint id);
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	void StartL(void);
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	void Process(RMBufChain &aPacket, CProtocolBase* aInterface);
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	void Unbind(CProtocolBase *protocol, TUint id = 0);
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	void Identify(TServerProtocolDesc *) const;
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	TInt GetOption(TUint level,TUint name,TDes8 &option,CProtocolBase* aSourceProtocol);
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	TInt SetOption(TUint level, TUint aName,const TDesC8 &option,CProtocolBase* aSourceProtocol);
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	//
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	// Active users tracking is done by the interface manager,
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	// just pass the following directly.
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	//
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	void IncUsers() { iInterfacer->IncUsers(); }
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	void DecUsers() { iInterfacer->DecUsers(); }
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	void Error(TInt aError, CProtocolBase* aSrc);
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	void StartSending(CProtocolBase* aSrc);
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	//
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	// Network service (MNetworkService)
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	//
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	CProtocolInet6Binder *Protocol() const;
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	MInterfaceManager *Interfacer() const;
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	TInt Send(RMBufChain &aPacket, CProtocolBase* aSrc = NULL);
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	void Icmp4Send(RMBufRecvPacket &aPacket, TInt aType, TInt aCode, TUint32 aParameter, TInt aMC = 0);
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	void Icmp6Send(RMBufRecvPacket &aPacket, TInt aType, TInt aCode, TUint32 aParameter, TInt aMC = 0);
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	void IcmpWrap(RMBufChain &aPacket, const TIcmpTypeCode aIcmp, const TUint32 aParameter = 0, const TInt aMC = 0);
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   222
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	TBool Fragment(RMBufSendPacket &aPacket, RMBufSendInfo &aInfo, TInt aMtu, RMBufPktQ &aFragments);
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	CHostResolvProvdBase *NewHostResolverL();
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	CServiceResolvProvdBase *NewServiceResolverL();
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	CNetDBProvdBase *NewNetDatabaseL();
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	//
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	// Network service extension (additional methods MNetworkServiceExtension)
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	//
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	void InterfaceAttached(const TDesC &aName, CNifIfBase *aIf);
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	void InterfaceDetached(const TDesC &aName, CNifIfBase *aIf);
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   234
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   235
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	//
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	// The Flow Manager section (MFlowManager)
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	//
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   239
	CFlowContext *NewFlowL(const void *aOwner, TUint aProtocol);
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   240
	CFlowContext *NewFlowL(const void *aOwner, CFlowContext &aFlow);
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   241
	TInt SetChanged() const;
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   242
	TInt FlowSetupHooks(CFlowInternalContext &aFlow);
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   243
	void FlowStartRefresh(CFlowInternalContext &aFlow);
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   244
	TInt GetFlowOption(TUint aLevel, TUint aName, TDes8 &aOption, const CFlowContext &aFlow) const;
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   245
	TInt SetFlowOption(TUint aLevel, TUint aName, const TDesC8 &aOption, CFlowContext &aFlow);
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	//
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	// The Packet Context (MPacketContext)
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	//
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   249
	TInt SetHookValue(const TUint32 aId, const TUint32 aValue);
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	TUint32 HookValue(const TUint32 aId) const;
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   251
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	TBool DoSwitchL(RMBufHookPacket &aPacket);
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   253
	void PostProcess(RMBufChain &aPacket, CProtocolBase *aSrc);
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   254
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private:
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	void DoProcess();
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   257
	void IcmpEcho(RMBufPacketBase &aPacket, RMBufRecvInfo *aInfo);
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   258
	void IcmpSend(TInt aProtocol, RMBufRecvPacket &aPacket, TInt aType, TInt aCode, TUint32 aParameter, TInt aMC);
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   259
	TPtrC HookOrdering(const TDesC &aOrderKey) const;
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   260
	static TInt RecvCallBack(TAny* aProtocol);
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   261
protected:
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   262
	TInt IcmpHandlerL(RMBufHookPacket &aPacket, RMBufRecvInfo &aInfo, CProtocolBase *aFinal);
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   263
	void UnbindAll(TAny *aProtocol);
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   264
	TInt DoBuild(RMBufPacketBase &aPacket,  RMBufPktInfo &aInfo, TPacketHead &aHead);
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   265
	void DoSendOnePacket(RMBufSendPacket &aPacket);
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   266
	void DoProcessOnePacketL(RMBufHookPacket &aPacket);
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   267
	CIfManager *const iInterfacer;
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   268
	// Resolver instance
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   269
	CProtocolBase *iResolver;
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	// IPv4 "slave" instance, if NON-NULL (catched in BindToL,
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	// not "reference counted"!).
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   272
	CProtocolIP *iSlavedIP4;
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   273
	//
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   274
	// Protocol "identity", the following members contain either
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   275
	//	(KProtocolInetIp,KProtocolInetIcmp) for IPv4
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	// or
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   277
	//	(KProtocolInet6Ip, KProtocolInet6Icmp) for IPv4
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   278
	// Both of these could always be deduced from the iProtocol of
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   279
	// TServerProtocolDesc, but this way makes some shared code
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   280
	// simpler to write.
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   281
	const TInt iProtocol, iIcmpProtocol;
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   282
	//
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   283
	// A brute force protocol switch array (will possibly get revised,
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   284
	// later if needed).This array is directly indexed by the next header
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	// value of the IP packet.
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   286
	//
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   287
	// Every element of the array will always have a valid pointer value
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   288
	// assigned (iNullProtocol). At run time, there is never need to verify
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	// against a NULL pointer.
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   290
	//
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   291
	// Also, a pointer in iSwitch does not mean that CProtocolIP6 class
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   292
	// owns that instance, the objects pointed by this array are NOT
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   293
	// deleted when IP6 instance is destroyed.
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   294
	//
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   295
	MNifIfUser *iNifUser;	// Defined when protocol is registered with the interfacer
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   296
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   297
	THookList iSwitch[KIp6Hook_ANY+1];
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   298
	TUint SwitchSize() {return sizeof(iSwitch) / sizeof(iSwitch[0]); }
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   299
	CHookEntry *iNullHook;
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   300
	CFragmentHeaderHook *iFragmentHeader;
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   301
	CNifIfBase	*iLoopback4;	// "Hardcoded" IPv4 loopback interface
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   302
	CNifIfBase	*iLoopback6;	// "Hardcoded" IPv6 loopback interface
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   303
	//
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   304
	// State information used by the ICMP "throttle"
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   305
	//
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   306
	TIcmpThrottle iIcmpThrottle;
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   307
	// iBindCount counts how many non-NULL protocols are currently
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   308
	// stored in iSwitch. This variably is purely for debugging
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   309
	// purposes. It *should* be zero when this protocol instance is
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   310
	// destroyed!
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   311
	//
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   312
	TInt iBindCount;
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   313
	//
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   314
	// List of hooks that are interested in peeking at the outbound packets
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   315
	//
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   316
	THookList iOutbound;
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   317
	//
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   318
	// List of hooks that are intrested in packets that got received by
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parents:
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   319
	// the stack, but which apparently are not addresses to this host
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   320
	// (e.g. packets that may need forwarding).
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diff changeset
   321
	//
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   322
	THookList iForwardHooks;
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parents:
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   323
	//
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parents:
diff changeset
   324
	// List of hooks that want to peek complete packets just before they
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parents:
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   325
	// are sent to the interface. These hooks must be aware of the iFlow
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parents:
diff changeset
   326
	// in the info block, and are responsible to actully passing the packet
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   327
	// to the interface. These hooks receive complete packets through the
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parents:
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   328
	// Send (Outbound) and Process (Inboud) interfaces.
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diff changeset
   329
	//
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parents:
diff changeset
   330
	THookList iPostInbound;
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parents:
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   331
	THookList iPostOutbound;
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parents:
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   332
	CIp6Hook *iPostTerminator;
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parents:
diff changeset
   333
	//
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   334
	// Some hooks may be installed by using the 'bindto'-directive of ESOCK.INI
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parents:
diff changeset
   335
	// on IP6 instance. This will call BindtoL of IP6 to call Bind()+Open() to the
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parents:
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   336
	// indicated protocol. Need to keep track of these protocols and issue matching
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parents:
diff changeset
   337
	// Close() calls in case IP6 is deleted. (NOTE: protocol bound in this way
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   338
	// cannot "die" until IP6 releases them). iBoundHooks tracks these.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
	CArrayFixFlat<TBoundHookEntry> *iBoundHooks;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
	// Identification for the IPv4 header field
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
	TInt iId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
	// Packet forwarding section
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
	TUint iForwardFlowSize;			// Max Number of entries in the array
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
	TUint iForwardFlowCount;			// Current number of forward flow contexts.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
	RFlowContext *iForwardFlow;		// Array of RFlowContext handles
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
	TUint iForwardHits;				// Packets forwarded without resetting a flow
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
	TUint iForwardMiss;				// Packets forwarded with resetting a flow
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
	const TUint iSwitchSize;             
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
	// Work space for maintaining inbound packet context (during DoSwitch())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
	// (fixed allocation now, implement something else later if needed)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
	TInt iPacketContextCount;		// Number of used entries
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
	// .. the max number of slots is automaticly determined by the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
	// .. size of the array iPacketContext (see SetHookValue).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
	TPacketContextItem iPacketContext[8];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
	TUint32 iPacketId;				// Packet sequence number (used as packet id).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
	// The queue for the received packets from the NIF's.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
	RMBufAsyncPktQ iRecvQ;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
	};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
class CProtocolIP6 : public CProtocolIP
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
	friend class IP6;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
public:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
	CProtocolIP6(CIfManager *aInterfacer);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
	~CProtocolIP6();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
	void InitL(TDesC& aTag);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
private:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
	CRoutingHeaderHook *iRoutingHeader;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
	CDestinationOptionsHook *iDestinationOptions;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
	CHopOptionsHook *iHopOptions;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
	};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
class CProtocolIP4 : public CProtocolIP
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
	friend class IP6;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
public:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
	CProtocolIP4(CIfManager *aInterfacer);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
	~CProtocolIP4();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	void InitL(TDesC& aTag);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
//	IP6 Class Implementation
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
void IP6::Identify(TServerProtocolDesc &aEntry, TInt aVersion)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	if (aVersion == STATIC_CAST(TInt, KProtocolInetIp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
		aEntry.iName=_S("ip");
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
		aEntry.iAddrFamily=KAfInet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
		aEntry.iProtocol=KProtocolInetIp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
		// message size is absolute upper limit, not guaranteed to work
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
		aEntry.iMessageSize=0xffff-TInet6HeaderIP4::MinHeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
		aEntry.iName=_S("ip6");
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
		aEntry.iAddrFamily=KAfInet6;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
		aEntry.iProtocol=KProtocolInet6Ip;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
		// message size is absolute upper limit, not guaranteed to work
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
		aEntry.iMessageSize=0xffff-TInet6HeaderIP::MinHeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
	aEntry.iSockType=KSockDatagram;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
	aEntry.iVersion=TVersion(KInet6MajorVersionNumber, KInet6MinorVersionNumber, KInet6BuildVersionNumber);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
	aEntry.iByteOrder=EBigEndian;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
	aEntry.iServiceInfo=KIP6ServiceInfo;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
	aEntry.iNamingServices=KIP6NameServiceInfo;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	aEntry.iSecurity=KSocketNoSecurity;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
	aEntry.iServiceTypeInfo=KIP6ServiceTypeInfo;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	aEntry.iNumSockets=KUnlimitedSockets;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
CProtocolBase *IP6::NewL(CIfManager *aInterfacer, TInt aVersion)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	CProtocolBase *prt;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	if (aVersion == STATIC_CAST(TInt, KProtocolInetIp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
		prt = new (ELeave) CProtocolIP4(aInterfacer);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
		prt = new (ELeave) CProtocolIP6(aInterfacer);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
	return prt;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
//	THookList
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
//		The implementation of this is totally internal to this IP6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
//		protocol module. Thus, all declaratations and implementation
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
//		is here. No outside module needs to know how this works!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
class CHookEntry : public CBase
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
	friend class THookList;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
	friend class CProtocolIP;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
	friend class CProtocolIP4;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
	friend class CProtocolIP6;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
	CHookEntry(CProtocolBase *aProtocol, CHookEntry *aNext) : iType(0), iNext(aNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
		/** Construct upper layer protocol entry. */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
		{ iProtocol = aProtocol; }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
	CHookEntry(CIp6Hook *aHook, CHookEntry *aNext, TInt aPriority) : iType(aPriority), iNext(aNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
		/** Construct a hook entry. */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
		{ iHook = aHook; }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
	inline TBool IsHook() const { return iType != 0; }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
	inline TBool IsProtocol() const { return iType == 0; }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
private:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
	TInt iType;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
	union
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
			CProtocolBase *iProtocol;	//< if iType == 0,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
			CIp6Hook *iHook;			//< if iType != 0, for inbound packet hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
		};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
	class CHookEntry *iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
	};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
void THookList::AddL(CProtocolBase *aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
	/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
	* Adds an upper layer protocol handler.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
	* Override the current protocol handler with a new
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
	* protocol binding. The previous binding (if any) is not
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
	* removed, but is hidden behind this new one until it unbinds.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
	* The new element is added in front of the old one.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
	* @param aProtocol	The protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
	*/
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
	CHookEntry *p = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
	CHookEntry *h, **head = &iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
	// Skip over possible hook mode handlers
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
	while ((h = *head) != NULL && h->IsHook())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
		p = h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
		head = &h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
	// 'h' points the current first protocol (if it exists), just insert
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
	// this new protocol in front of it and "hide" the previous one
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
	// coverity[alloc_fn] coverity[assign]	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
	*head = new (ELeave) CHookEntry(aProtocol, h);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
	Link(p, *head);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
	// coverity[memory_leak]  
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
void THookList::AddL(CIp6Hook *aHook, TInt aPriority)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
	/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
	* Add a new hook handler into the list.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
	* @param aHook		The hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
	* @param aPriority	The priority (must be > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
	*/
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
	if (aPriority > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
		CHookEntry *p = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
		CHookEntry *h, **head = &iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
		while ((h = *head) != NULL && h->iType > 0 && h->iType > aPriority)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
			p = h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
			head = &h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
		// coverity[alloc_fn] coverity[assign]	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
		*head = new (ELeave) CHookEntry(aHook, h, aPriority);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
		Link(p, *head);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
	// coverity[memory_leak]  
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
// THookList::AddByOrderList
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
// *************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
// Add protocol to list based on the ordering.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
// The priority is computed by (bigger is better):
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
// (10000 - hook position in the list) * 256 + aPriority
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
// If the protocol is mentioned more than once in the aOrdering,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
// and if list is not chained, then the protocol will be added
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
// multiple times.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
// Returns the change in iBindCount (usually +1).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
// *WARNING*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
//	If protocol is addedd multiple times and the latter AddL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
//	leaves, then the iBindCount will be incorrect. [to keep
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
//	count correct in such case is too much trouble and failing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
//	to add is pretty serious problem which most likely shuts
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
//	down the stack anyway... -- msa]
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
TInt THookList::AddByOrderListL(CIp6Hook *aHook,  const TDesC &aName, const TDesC &aOrdering, const TInt aPriority)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
	TInt star = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
	TInt slot = 10000 << 8;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
	// Only one "BindL" call per protocol/list allowed. Remove
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
	// all previous bindings before starting to process this
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
	// new set.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
	TInt bindcount = -Remove((TAny *)aHook);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
	TLex start(aOrdering);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
	for (TInt done = 0;;)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
		slot -= 256;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
		if (start.Eos())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
			if (!done)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
				// Protocol has not been specially mentioned in the ordering.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
				// Add it into the '*'-position (or, if there is none specified
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
				// assume star at the end of the list).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
				AddL(aHook, aPriority + (star ? star : slot));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
				bindcount++;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
		// *NOTE/WARNING* This is a simple parsing,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
		// no extra white space is accepted!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
		start.Mark();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
		while (!start.Eos() && start.Peek() != ',')
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
			start.Inc();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
		TPtrC hook = start.MarkedToken();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
		if (!start.Eos())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
			start.Inc();	// Skip ','
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
		if (hook.Compare(_L("*")) == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
			star = slot;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
		else if (hook.CompareF(aName) == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
			// Located the specific priority entry
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
			AddL(aHook, slot + aPriority);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
			done = 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
			bindcount++;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
			if (iChainId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
				// If hook list is chained, protocol can only be
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
				// added once!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
				break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
	return bindcount;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
// THookList::Delink
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
// *****************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
// The hook 'h' is has been removed from a list, where it
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
// was located after 'p'. If this is chained list, then
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
// updatate the bindings.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
// p == NULL, if h was the first hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
// p->iNext is already updated to point the hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
// the follows h (or NULL, if none).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
void THookList::Delink(CHookEntry *p, CHookEntry *h)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
	if (iChainId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
		// If h was not the first in the list, then
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
		// need to remove the chaining to h from the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
		// previous hook.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
		if (p)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
			p->iHook->Unbind(h->iHook, iChainId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
		// If h was not the last in the list, then
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
		// need to remove the chaining from 'h'
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
		// to the next hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
		if (h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
			h->iHook->Unbind(h->iNext->iHook, iChainId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
		// If h was not the first hook, and there was
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
		// another hook following h, then must link
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
		// the previous hook (p) to the following.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
		if (p && h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
			TRAP_IGNORE(p->iHook->BindL(h->iNext->iHook, iChainId));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
// THookList::Link
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
// ***************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
// The hook 'h' has been added to the list after 'p'
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
// p == NULL, if has was added to the front
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
void THookList::Link(CHookEntry *p, CHookEntry *h)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
	if (iChainId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
		TInt err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
		// If h was added after p and there
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
		// is a hook after h, then the chaining from
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
		// p must be unbound.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
		if (p && h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
			p->iHook->Unbind(h->iNext->iHook, iChainId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
		// If h is now followed by another hook, then must link
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
		// h to this.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
		if (h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
			TRAP(err, h->iHook->BindL(h->iNext->iHook, iChainId));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
		// If h was not the first hook, then must link the previous
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
		// hook to h.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
		if (p)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
			TRAP(err, p->iHook->BindL(h->iHook, iChainId));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
// THookList::Remove
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
//	Remove one specific protocol binding from the list.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
//	Returns 1, if found and removed
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
//	Returns 0, if not found
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
TInt THookList::Remove(const CProtocolBase *const aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
	CHookEntry **head = &iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
	CHookEntry *p = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
	for (CHookEntry *h; (h = *head) != NULL; p = h, head = &h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
		if (h->IsProtocol() && h->iProtocol == aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
			*head = h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
			Delink(p, h);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
			delete h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
			return 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
	return 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
// CHookList::Remove
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
//	Remove one specific hook binding from the list
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
//	Returns 1, if found and removed
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
//	Returns 0, if not found
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
TInt THookList::Remove(const CIp6Hook *const aHook)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
	CHookEntry **head = &iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
	CHookEntry *p = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
	for (CHookEntry *h; (h = *head)->IsHook(); p = h, head = &h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
		if (h->iHook == aHook)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
			*head = h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
			Delink(p, h);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
			delete h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
			return 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
	return 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
// THookList::Remove
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
//	Remove all bindings to the specified protocol or hook.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
//	Returns the number of of bindings removed.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
TInt THookList::Remove(const TAny *const any)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
	TInt count = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
	CHookEntry **head = &iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
	CHookEntry *p = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
	for (CHookEntry *h; (h = *head) != NULL; )
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
		if (h->iHook == any)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
			*head = h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
			Delink(p, h);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
			delete h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
			++count;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
			p = h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
			head = &h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
	return count;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
// THookList::RemoveAll
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   737
//	Remove all entries from the list and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   738
//	return the number of removed entries
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   740
TInt THookList::RemoveAll()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   741
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
	TInt count = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
	CHookEntry *h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
	while ((h = iHead) != NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
		iHead = h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
		Delink(NULL, h);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
		delete h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
		++count;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   752
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
	return count;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
//	THookList::StartSending/Error
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
//		Deliver upcall for a target protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   760
//		(Hooks are not informed currently)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
void THookList::StartSending(CProtocolBase *aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
	for (CHookEntry *h = iHead; h; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
		if (h->IsProtocol() && h->iProtocol != aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
			h->iProtocol->StartSending(NULL);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
void THookList::Error(TInt aError, CProtocolBase *aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
	for (CHookEntry *h = iHead; h; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
		if (h->IsProtocol() && h->iProtocol != aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
			h->iProtocol->Error(aError, NULL);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   778
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   779
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
void THookList::InterfaceAttached(const TDesC &aName, CNifIfBase *aIf)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   784
	for (CHookEntry *h = iHead; h; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   785
		if (h->IsHook())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
			h->iHook->InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
void THookList::InterfaceDetached(const TDesC &aName, CNifIfBase *aIf)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
	for (CHookEntry *h = iHead; h; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
		if (h->IsHook())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
			h->iHook->InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
void THookList::StartSending(CProtocolBase *aIface, CProtocolBase *aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
	for (CHookEntry *h = iHead; h; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
		if (h->IsHook() && h->iProtocol != aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   800
			h->iHook->StartSending(aIface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   801
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   802
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   803
void THookList::Error(TInt aError, CProtocolBase *aIface, CProtocolBase *aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   804
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
	for (CHookEntry *h = iHead; h; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
		if (h->IsHook() && h->iProtocol != aSrc)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
			h->iHook->Error(aError, aIface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   811
//	CProtocolIP6Null
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   812
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   813
//	CProtocolIP6Null is purely internal to the ip6.cpp
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   814
//	implementation. It is used as a dummy protocol instance
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   815
//	which will receive all packets which have unbound protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   816
//	in their next header field. This is *NOT* a visible protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   817
//	for the socket manager.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   818
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   819
//	*HOWEVER* This is somewhat dubious, drags in some stuff from
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   820
//	CProtocolBase. Should use some intermediate class?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   821
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   822
class CProtocolIP6Null  : public CProtocolBase
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   823
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   824
public:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   825
	CProtocolIP6Null(MNetworkService *aIp) : iIp(aIp) {}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   826
	void Identify(TServerProtocolDesc *) const {Panic(EInet6Panic_NotSupported);}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   827
	void Process(RMBufChain &aPacket,CProtocolBase *)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   828
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   829
		RMBufRecvPacket packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   830
		packet.Assign(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   831
		RMBufRecvInfo *const info = packet.Unpack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   832
		if (//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   833
			// Drop unhandled ICMP errors silently
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   834
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   835
			info->iIcmp == 0 &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   836
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   837
			// Drop packets with No Next Header silently
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   838
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   839
			info->iProtocol != STATIC_CAST(TInt, KProtocolInet6NoNextHeader) &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   840
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   841
			// Drop all ICMP's when there is no upper
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   842
			// layer ICMP protocol to receive them.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   843
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   844
			info->iProtocol != STATIC_CAST(TInt, KProtocolInetIcmp) &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   845
			info->iProtocol != STATIC_CAST(TInt, KProtocolInet6Icmp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   846
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   847
			switch (info->iVersion)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   848
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   849
				case 4:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   850
					iIp->Icmp4Send(packet, KInet4ICMP_Unreachable, 2 /* Protocol Unreach */);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   851
					return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   852
				case 6:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   853
					iIp->Icmp6Send(packet, KInet6ICMP_ParameterProblem, 1, info->iPrevNextHdr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   854
					return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   855
				default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   856
					break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   857
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   858
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   859
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   860
		// Drop silently
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   861
		packet.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   862
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   863
	void StartSending(CProtocolBase *) {};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   864
	void Error(TInt, CProtocolBase *) {};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   865
private:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   866
	MNetworkService *iIp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   867
	};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   868
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   869
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   870
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   871
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   872
//	CProtocolPostTerminator
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   873
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   874
//	CProtocolPostTerminator is purely internal to the ip6.cpp
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   875
//	implementation. It is used as a terminal protocol instance
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   876
//	for post hook lists. This is *NOT* a visible protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   877
//	for the socket manager.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   878
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   879
//	*HOWEVER* This is somewhat dubious, drags in some stuff from
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   880
//	CProtocolBase. Should use some intermediate class?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   881
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   882
class CProtocolPostTerminator : public CIp6Hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   883
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   884
public:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   885
	CProtocolPostTerminator(CProtocolIP *aIp) : iIp(aIp) {}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   886
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   887
	void Process(RMBufChain &aPacket,CProtocolBase *aInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   888
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   889
		iIp->PostProcess(aPacket, aInterface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   890
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   891
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   892
	TInt Send(RMBufChain &aPacket, CProtocolBase *)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   893
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   894
		RMBufSendInfo *const info = RMBufSendPacket::PeekInfoInChain(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   895
		if (info)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   896
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   897
			CFlowContext *const flow = info->iFlow.FlowContext();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   898
			if (flow)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   899
				return flow->Send(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   900
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   901
		aPacket.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   902
		return 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   903
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   904
	TInt ApplyL(RMBufHookPacket &, RMBufRecvInfo &) { return KIp6Hook_PASS; }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   905
	void StartSending(CProtocolBase *) {}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   906
	void Error(TInt, CProtocolBase *) {}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   907
private:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   908
	CProtocolIP *iIp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   909
	};
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   910
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   911
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   912
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   913
//	Dual IP6/IP4 Stack methods
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   914
//	**************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   915
//	Both IP6 and IP4 have same methods. The method implementations of
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   916
//	CProtocol{IP,IP6,IP4) are grouped together, when different implementations
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   917
//	are required. Only CProtocolIP method is present when one shared
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   918
//	implementations is sufficient.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   919
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   920
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   921
//	*NOTE*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   922
//		The current configuration is that all of the work is handled
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   923
//		by the IPv6 instance (iNetwork), and the IPv4 instance is only
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   924
//		required as a connection point to the link layer. However, it
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   925
//		is left fully functional in case there is some future need to
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   926
//		separate the processing again and have IPv4 and IPv6 with their
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   927
//		own iSwitch and hooks. (the current idea is that when hook
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   928
//		binds a protocol, it gets both IPv4 and IPv6 for that protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   929
//		-- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   930
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   931
//	Constructors
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   932
//	************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   933
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   934
CProtocolIP::CProtocolIP(CIfManager *aInterfacer, TInt aProtocol) :
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   935
	iInterfacer(aInterfacer),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   936
	iProtocol(aProtocol),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   937
	iIcmpProtocol(aProtocol == STATIC_CAST(TInt, KProtocolInet6Ip) ? KProtocolInet6Icmp : KProtocolInetIcmp),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   938
	iSwitchSize(SwitchSize())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   939
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   940
	iNetwork = this;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   941
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   942
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   943
CProtocolIP6::CProtocolIP6(CIfManager *aInterfacer) : CProtocolIP(aInterfacer, KProtocolInet6Ip)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   944
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   945
	LOG(Log::Printf(_L("\tip6 new")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   946
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   947
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   948
CProtocolIP4::CProtocolIP4(CIfManager *aInterfacer) : CProtocolIP(aInterfacer, KProtocolInetIp)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   949
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   950
	LOG(Log::Printf(_L("\tip new")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   951
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   952
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   953
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   954
//	Destructors
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   955
//	***********
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   956
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   957
CProtocolIP::~CProtocolIP()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   958
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   959
	iNetwork = NULL;	// Prevent Close() call from the base class destructor!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   960
	iSlavedIP4 = NULL;	// Not relevant any more!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   961
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   962
	while (iForwardFlowSize > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   963
		iForwardFlow[--iForwardFlowSize].Close();	// Release flow (if allocated)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   964
	delete[] iForwardFlow;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   965
	iForwardFlow = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   966
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   967
	iInterfacer->Unregister(this);// No more calls to this from interface manager
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   968
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   969
	// Release all hook lists
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   970
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   971
	CHookEntry *h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   972
	for (TUint i = 0; i < iSwitchSize; i++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   973
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   974
		// Note: cannot use iSwitch[i].RemoveAll() because the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   975
		// iNullHook is a member of every list, and it can be
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   976
		// released only once!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   977
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   978
		while ((h = iSwitch[i].iHead) != iNullHook)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   979
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   980
			iSwitch[i].iHead = iSwitch[i].iHead->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   981
			delete h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   982
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   983
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   984
	(void)iOutbound.RemoveAll();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   985
	(void)iForwardHooks.RemoveAll();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   986
	(void)iPostInbound.RemoveAll();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   987
	(void)iPostOutbound.RemoveAll();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   988
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   989
	// Issue a Close() to all protocols attaced in BindToL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   990
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   991
	if (iBoundHooks)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   992
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   993
		for (TInt i = iBoundHooks->Count(); i > 0;)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   994
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   995
			TBoundHookEntry *bound = &iBoundHooks->At(--i);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   996
			if (bound->iInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   997
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   998
				iNifUser->IfUserInterfaceDown(KErrServerTerminated, bound->iInterface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   999
				bound->iInterface->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1000
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1001
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1002
			// "Unbind problem": All protocol classes which are bound
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1003
			// from INET6 must support the Unbind,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1004
			// [iProtocol cannot be NULL, let crash if so... -- msa]
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1005
			bound->iProtocol->Unbind(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1006
			bound->iProtocol->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1007
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1008
		delete iBoundHooks;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1009
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1010
	if (iResolver)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1011
		iResolver->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1012
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1013
	if (iLoopback4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1014
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1015
		iNifUser->IfUserInterfaceDown(KErrServerTerminated, iLoopback4);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1016
		iLoopback4->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1017
		iLoopback4 = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1018
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1019
	if (iLoopback6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1020
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1021
		iNifUser->IfUserInterfaceDown(KErrServerTerminated, iLoopback6);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1022
		iLoopback6->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1023
		iLoopback6 = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1024
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1025
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1026
	delete iPostTerminator;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1027
	delete iFragmentHeader;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1028
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1029
	if (iNullHook)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1030
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1031
		delete iNullHook->iProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1032
		delete iNullHook;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1033
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1034
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1035
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1036
CProtocolIP6::~CProtocolIP6()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1037
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1038
	LOG(Log::Printf(_L("\t%S destruct - start"), &ProtocolName()));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1039
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1040
	// Cleanup
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1041
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1042
	// .. need to do unbinds, because the destructors
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1043
	// of the internal protocols don't do it properly
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1044
	// for now -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1045
	UnbindAll(iRoutingHeader);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1046
	UnbindAll(iDestinationOptions);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1047
	UnbindAll(iHopOptions);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1048
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1049
	delete iRoutingHeader;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1050
	delete iDestinationOptions;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1051
	delete iHopOptions;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1052
	LOG(Log::Printf(_L("\t%S destruct - done"), &ProtocolName()));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1053
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1054
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1055
CProtocolIP4::~CProtocolIP4()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1056
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1057
	LOG(Log::Printf(_L("\t%S destruct"), &ProtocolName()));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1058
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1059
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1060
//	CProtocolIP::HookOrdering
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1061
//	*************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1062
//	Retrieve hook ordering for the specific hooklist.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1063
//	(Currently from TCPIP.INI)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1064
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1065
//	Returns a descriptor for the ordering
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1066
//	(can be a "NULL" descriptor, if not found)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1067
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1068
TPtrC CProtocolIP::HookOrdering(const TDesC &aOrderKey) const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1069
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1070
	TPtrC ordering;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1071
	if (!iInterfacer->FindVar(TCPIP_INI_HOOK, aOrderKey, ordering))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1072
		return TPtrC(0,0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1073
	return ordering;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1074
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1075
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1076
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1077
//	CProtocolIP::BindL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1078
//	******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1079
//	(shared by both)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1080
//	The aId has a special format and interpretation:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1081
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1082
//	aId >= KIp6Hook_ANY
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1083
//		The binding protocol wants to bind "as a hook" for extension
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1084
//		header identified by (aid - KIp6Hook_ANY). Such protocol must
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1085
//		implement the MExtensionHook interface. If the result after
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1086
//		subtract is KIp6Hook_ANY, the request is for generic hook,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1087
//		which is called after all extension headers have
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1088
//		been handled, but before passing the packet to the next layer.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1089
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1090
//	0 < aId < KIpHook_ANY
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1091
//		The binding protocol want to bind as a normal upper layer protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1092
//		for the IP protocol indicated by aId.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1093
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1094
void CProtocolIP::BindL(CProtocolBase *aProtocol, TUint aId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1095
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1096
	TServerProtocolDesc info;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1097
	aProtocol->Identify(&info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1098
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1099
	Log::Printf(_L("BindL\t%S called for %S[%u] id=%d"), &ProtocolName(), &info.iName, (TInt)aProtocol, aId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1100
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1101
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1102
	if (aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1103
		Panic(EInet6Panic_BadBind);	// Cannot bind 0 as protocol!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1104
	else if (aId == KProtocolInet6Ip && info.iProtocol == KProtocolInet6Ip)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1105
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1106
		// ip6 bindto ip
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1107
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1108
		// *SPECIAL KLUDGE* -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1109
		//	The current protocol is the "dumb" IPv4 instance and the magic
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1110
		//	IPv6 instance is being bound to it: by setting the iNetwork
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1111
		//	the IPv4 iSwitch is not used, and all received packets are
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1112
		//	handled by the IPv6 iSwitch!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1113
		//  [some typecasting occurring, iNetwork is really
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1114
		//   MNetworkService * -- msa]
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1115
		iNetwork = (CProtocolIP *)aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1116
		LOG(Log::Printf(_L("\t\tAssigned %S[%u] as master IPv6, total binds = %d"), &info.iName, (TInt)aProtocol, iBindCount+1));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1117
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1118
	else if (aId == KProtocolInetIp && info.iProtocol == KProtocolInetIp)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1119
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1120
		// ip bindto ip6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1121
		iSlavedIP4 = (CProtocolIP *)aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1122
		LOG(Log::Printf(_L("\t\tAssigned %S[%u] as slaved IPv4, total binds = %d"), &info.iName, (TInt)aProtocol, iBindCount+1));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1123
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1124
	else if (aId < STATIC_CAST(TUint, KIp6Hook_ANY))	// Note: cannot bind ANY as a protocol!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1125
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1126
		iSwitch[aId].AddL(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1127
		LOG(Log::Printf(_L("\t\tBinding %S[%u] as final protocol %d handler, total binds = %d"), &info.iName, (TInt)aProtocol, aId, iBindCount+1));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1128
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1129
	else if ((aId -= KIp6Hook_ANY) <= STATIC_CAST(TUint, KIp6Hook_ANY))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1130
									// Note: can bind 0 as a hook!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1131
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1132
		iBindCount += iSwitch[aId].AddByOrderListL((CIp6Hook *)aProtocol, info.iName, HookOrdering(TCPIP_INI_HOOK_INANY), 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1133
		LOG(Log::Printf(_L("\t\tBinding %S[%u] as protocol %d hook, total binds = %d"), &info.iName, (TInt)aProtocol, aId, iBindCount));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1134
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1135
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1136
	else if ((aId -= KIp6Hook_ANY) < STATIC_CAST(TUint, KIp6Hook_ANY))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1137
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1138
		// Setup as outbound hook with priority = aId (0 < aId < KIpHook_ANY)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1139
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1140
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1141
		iBindCount += iOutbound.AddByOrderListL((CIp6Hook *)aProtocol, info.iName, HookOrdering(TCPIP_INI_HOOK_FLOW), aId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1142
		LOG(Log::Printf(_L("\t\tBinding %S[%u] as outbound flow hook, pri=%d, total binds = %d"), &info.iName, (TInt)aProtocol, aId, iBindCount));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1143
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1144
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1145
	else if ((aId -= KIp6Hook_ANY) == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1146
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1147
		iBindCount += iPostOutbound.AddByOrderListL((CIp6Hook *)aProtocol, info.iName, HookOrdering(TCPIP_INI_HOOK_OUTBOUND), 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1148
		LOG(Log::Printf(_L("\t\tBinding %S[%u] as post outbound hook, total binds = %d"), &info.iName, (TInt)aProtocol, iBindCount));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1149
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1150
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1151
	else if (--aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1152
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1153
		iBindCount += iPostInbound.AddByOrderListL((CIp6Hook *)aProtocol, info.iName, HookOrdering(TCPIP_INI_HOOK_INBOUND), 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1154
		LOG(Log::Printf(_L("\t\tBinding %S[%u] as post inbound hook, total binds = %d"), &info.iName, (TInt)aProtocol, iBindCount));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1155
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1156
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1157
	else if (--aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1158
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1159
		iBindCount += iForwardHooks.AddByOrderListL((CIp6Hook *)aProtocol, info.iName, HookOrdering(TCPIP_INI_HOOK_FORWARD), 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1160
		LOG(Log::Printf(_L("\t\tBinding %S[%u] as forwarding hook, total binds = %d"), &info.iName, (TInt)aProtocol, iBindCount));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1161
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1162
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1163
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1164
		Panic(EInet6Panic_BadBind);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1165
	iBindCount++;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1166
	return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1167
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1168
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1169
//	CProtocolIP::UnbindAll
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1170
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1171
//	Remove all bind references to the protocol. This method
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1172
//	must be "non-virtual", so that it can be used in
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1173
//	destructors.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1174
void CProtocolIP::UnbindAll(TAny *aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1175
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1176
	// Unbinding IPv4 instance (this must have been "ip bindto ip6" configuration)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1177
	if (aProtocol == iSlavedIP4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1178
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1179
		iSlavedIP4 = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1180
		--iBindCount;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1181
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1182
	for (TUint i = 0; i < SwitchSize(); ++i)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1183
		iBindCount -= iSwitch[i].Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1184
	iBindCount -= iOutbound.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1185
	iBindCount -= iForwardHooks.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1186
	iBindCount -= iPostInbound.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1187
	iBindCount -= iPostOutbound.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1188
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1189
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1190
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1191
//	CProtocolIP::Unbind
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1192
//	*******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1193
//	(shared by both)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1194
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1195
//	A protocol wishes not to receive any more packets from the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1196
//	IP level.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1197
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1198
void CProtocolIP::Unbind(CProtocolBase *aProtocol, TUint aId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1199
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1200
	LOG(Log::Printf(_L("Unbind\t%S from [%u] id=%d"), &ProtocolName(), (TUint)aProtocol, aId));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1201
	if (aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1202
		UnbindAll((TAny *)aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1203
	else if (aId < STATIC_CAST(TUint, KIp6Hook_ANY))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1204
		iBindCount -= iSwitch[aId].Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1205
	else if ((aId -= KIp6Hook_ANY) <= STATIC_CAST(TUint, KIp6Hook_ANY))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1206
		iBindCount -= iSwitch[aId].Remove((CIp6Hook *)aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1207
	else if ((aId -= KIp6Hook_ANY) < STATIC_CAST(TUint, KIp6Hook_ANY))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1208
		iBindCount -= iOutbound.Remove((CIp6Hook *)aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1209
	else if ((aId -= KIp6Hook_ANY) == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1210
		iBindCount -= iPostOutbound.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1211
	else if (--aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1212
		iBindCount -= iPostInbound.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1213
	else if (--aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1214
		iBindCount -= iForwardHooks.Remove(aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1215
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1216
	// iNetwork can be NULL, if we are getting here from
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1217
	// ~CPrototolIP()... -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1218
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1219
	if (iNetwork && aProtocol == iNetwork->Protocol())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1220
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1221
		--iBindCount;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1222
		iNetwork = this;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1223
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1224
	LOG(Log::Printf(_L("Unbind\t%S complete, total binds %d"), &ProtocolName(), iBindCount));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1225
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1226
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1227
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1228
//	CProtocolIP::NewSAPL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1229
//	********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1230
//	(shared by both)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1231
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1232
CServProviderBase* CProtocolIP::NewSAPL(TUint aSockType)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1233
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1234
	return IP6::NewSAPL(aSockType, this, iProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1235
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1236
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1237
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1238
CProtocolInet6Binder *CProtocolIP::Protocol() const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1239
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1240
	return (CProtocolInet6Binder *)this;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1241
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1242
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1243
MInterfaceManager *CProtocolIP::Interfacer() const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1244
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1245
	return iInterfacer;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1246
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1247
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1248
CHostResolvProvdBase *CProtocolIP::NewHostResolverL()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1249
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1250
	if (iResolver == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1251
		User::Leave(KErrNotSupported);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1252
	return iResolver->NewHostResolverL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1253
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1254
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1255
CServiceResolvProvdBase *CProtocolIP::NewServiceResolverL()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1256
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1257
	if (iResolver == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1258
		User::Leave(KErrNotSupported);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1259
	return iResolver->NewServiceResolverL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1260
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1261
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1262
CNetDBProvdBase *CProtocolIP::NewNetDatabaseL()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1263
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1264
	if (iResolver == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1265
		User::Leave(KErrNotSupported);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1266
	return iResolver->NewNetDatabaseL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1267
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1268
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1269
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1270
//	CProtocolIP::InitL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1271
//	******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1272
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1273
void CProtocolIP::InitL(TDesC& aTag)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1274
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1275
	TCallBack recvCb(RecvCallBack, this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1276
	iRecvQ.InitL(recvCb);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1277
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1278
	CProtocolInet6Network::InitL(aTag);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1279
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1280
	// Setup the protocol switch
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1281
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1282
	CProtocolIP6Null* protIP6Null = new (ELeave) CProtocolIP6Null(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1283
	CleanupStack::PushL(protIP6Null);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1284
	iNullHook = new (ELeave) CHookEntry(protIP6Null, NULL);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1285
	CleanupStack::Pop();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1286
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1287
	iBindCount = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1288
	for (TUint i = 0; i < iSwitchSize; i++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1289
		iSwitch[i].iHead = iNullHook;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1290
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1291
	// Pick up some random start value for the Identification
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1292
	TTime time;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1293
	TInt64 seed;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1294
	time.UniversalTime();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1295
	seed = time.Int64();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1296
	iId = Math::Rand(seed);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1297
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1298
	iPostTerminator = new (ELeave) CProtocolPostTerminator(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1299
	iPostInbound.iChainId = MIp6Hook::BindPostHook()+1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1300
	iPostOutbound.iChainId = MIp6Hook::BindPostHook();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1301
	iPostInbound.AddL(iPostTerminator);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1302
	iPostOutbound.AddL(iPostTerminator);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1303
	iFragmentHeader = CFragmentHeaderHook::NewL(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1304
	iFragmentHeader->ConstructL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1305
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1306
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1307
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1308
//	CProtocolIP6::InitL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1309
//	*******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1310
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1311
void CProtocolIP6::InitL(TDesC& aTag)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1312
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1313
	CProtocolIP::InitL(aTag);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1314
	// Get configured value for the ICMP limiter.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1315
	iIcmpThrottle.SetMax(iInterfacer->GetIniValue(TCPIP_INI_IP, TCPIP_INI_ICMP_LIMIT, KTcpipIni_IcmpLimit, 0, KMaxTInt));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1316
	// Enable packet forwarding if allowed by configuration
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1317
	// (only needed for the IP6 instance)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1318
	iForwardFlowSize = (TUint)iInterfacer->GetIniValue(TCPIP_INI_IP, TCPIP_INI_FORWARD, KTcpipIni_Forward, 0, KMaxTInt);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1319
	if (iForwardFlowSize > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1320
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1321
		iForwardFlow = new RFlowContext[iForwardFlowSize];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1322
		if (iForwardFlow == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1323
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1324
			LOG(Log::Printf(_L("No memory for forward = %d, disabled"), (TInt)iForwardFlowSize));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1325
			iForwardFlowSize = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1326
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1327
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1328
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1329
	iRoutingHeader = new (ELeave) CRoutingHeaderHook(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1330
	iRoutingHeader->ConstructL();	// Should call BindL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1331
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1332
	iHopOptions = new (ELeave) CHopOptionsHook(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1333
	iHopOptions->ConstructL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1334
	iDestinationOptions = new (ELeave) CDestinationOptionsHook(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1335
	iDestinationOptions->ConstructL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1336
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1337
	//Bind myself to handle IPIP-detunneling
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1338
	BindL(this, KProtocolInet6Ipip);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1339
	// ...need also IPv4 binding here
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1340
	BindL(this, KProtocolInetIpip);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1341
	iNifUser = iInterfacer->Register(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1342
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1343
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1344
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1345
//	CProtocolIP4::InitL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1346
//	*******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1347
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1348
void CProtocolIP4::InitL(TDesC& aTag)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1349
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1350
	CProtocolIP::InitL(aTag);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1351
	iIcmpThrottle.SetMax(iInterfacer->GetIniValue(TCPIP_INI_IP, TCPIP_INI_ICMP_LIMIT, KTcpipIni_IcmpLimit, 0, KMaxTInt));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1352
	iNifUser = iInterfacer->Register(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1353
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1354
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1355
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1356
//	CProtocolIP::BindToL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1357
//	********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1358
//	(shared by both)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1359
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1360
void CProtocolIP::BindToL(CProtocolBase *aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1361
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1362
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1363
	TServerProtocolDesc log_info;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1364
	aProtocol->Identify(&log_info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1365
	Log::Printf(_L("BindToL\t%S binding to %S[%u] start"), &ProtocolName(), &log_info.iName, (TInt)aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1366
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1367
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1368
	// Experimentally, allow binding of IP instance
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1369
	// to other protocols as a way of activating them
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1370
	// IP instance makes no assumputions about the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1371
	// protocols bound in this way.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1372
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1373
	TInt err;	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1374
	aProtocol->Open();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1375
	TRAP(err, aProtocol->BindL(this, iProtocol));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1376
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1377
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1378
		TBoundHookEntry binding;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1379
		binding.iProtocol = (CProtocolBaseUnbind *)aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1380
		binding.iInterface = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1381
		if (iBoundHooks || (iBoundHooks = new CArrayFixFlat<TBoundHookEntry>(4)) != NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1382
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1383
			TServerProtocolDesc info;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1384
			aProtocol->Identify(&info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1385
			if (info.iServiceTypeInfo & EInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1386
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1387
				// The bound "protocol" is actually some kind of
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1388
				// interface, get the interface and pass it to the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1389
				// interfacer!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1390
				TServerProtocolDesc my_info;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1391
				Identify(&my_info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1392
				TRAP(err, binding.iInterface = ((CProtocolInterfaceBase *)aProtocol)->GetBinderL(my_info.iName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1393
				if (err == KErrNone && binding.iInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1394
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1395
					binding.iInterface->Open();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1396
					TRAP(err, iNifUser->IfUserNewInterfaceL(binding.iInterface, 0));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1397
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1398
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1399
			if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1400
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1401
				TRAP(err, iBoundHooks->AppendL(binding));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1402
				if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1403
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1404
					//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1405
					// If all is ok, detect if a "special" protocol providing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1406
					// the host resolver services is being bound. If so, save
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1407
					// (or replace) a reference also into iResolver.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1408
					//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1409
					// [Instead of this, could one just check some bits in
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1410
					// iNamingServices and detect a protocol that way? -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1411
					//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1412
					if (info.iProtocol == KProtocolInet6Res)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1413
						{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1414
						if (iResolver)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1415
							iResolver->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1416
						iResolver = aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1417
						iResolver->Open();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1418
						}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1419
					else if (info.iProtocol == KProtocolInetIp)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1420
						//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1421
						// this ip6 bindto ip
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1422
						//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1423
						// iSlavedIP4 is only needed for providing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1424
						// backward compatibility for old raw sockets
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1425
						// which open to 'ip' protocol and expect to
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1426
						// get IPv4 only with IP header swapped!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1427
						iSlavedIP4 = (CProtocolIP4 *)aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1428
					else if (info.iProtocol == KProtocolInet6Ip)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1429
						// this ip bindto ip6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1430
						iNetwork = (CProtocolIP *)aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1431
					LOG(Log::Printf(_L("BindToL\t%S binding to %S[%u] recorded"), &ProtocolName(), &log_info.iName, (TInt)aProtocol));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1432
					return;			// BindToL completed!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1433
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1434
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1435
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1436
			// Failed for some reason, cleanup
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1437
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1438
			if (binding.iInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1439
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1440
				iNifUser->IfUserInterfaceDown(err, binding.iInterface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1441
				binding.iInterface->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1442
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1443
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1444
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1445
			err = KErrNoMemory;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1446
		// Cancel BindL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1447
		binding.iProtocol->Unbind(this, iProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1448
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1449
	aProtocol->Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1450
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1451
	Log::Printf(_L("BindToL\t%S binding to %S[%u] failed with %d"), &ProtocolName(), &log_info.iName, (TInt)aProtocol, err);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1452
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1453
	User::Leave(err);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1454
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1455
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1456
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1457
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1458
//	CProtocolIP::StartL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1459
//	********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1460
//	(shared)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1461
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1462
void CProtocolIP::StartL(void)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1463
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1464
	CProtocolInet6Network::StartL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1465
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1466
	if (iProtocol == STATIC_CAST(TInt, KProtocolInet6Ip))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1467
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1468
		if (iLoopback6 == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1469
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1470
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1471
			// Insert IPv6 Loopback Interface and Route
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1472
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1473
			_LIT(loop6, "loop6");
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1474
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1475
			iLoopback6 = CIfLoop6::NewL(loop6);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1476
			iLoopback6->Open();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1477
			iNifUser->IfUserNewInterfaceL(iLoopback6, 0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1478
			iInterfacer->AddRouteL(KInet6AddrLoop, 128, loop6, 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1479
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1480
		if (iLoopback4 == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1481
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1482
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1483
			// Insert IPv4 Loopback Interface and Route
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1484
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1485
			_LIT(loop4, "loop4");
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1486
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1487
			iLoopback4 = CIfLoop6::NewL(loop4);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1488
			iLoopback4->Open();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1489
			iNifUser->IfUserNewInterfaceL(iLoopback4, 0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1490
			TInetAddr loopnet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1491
			loopnet.SetV4MappedAddress((127 << 24) + 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1492
			iInterfacer->AddRouteL(loopnet.Ip6Address(),128 - 32 + 8, loop4, 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1493
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1494
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1495
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1496
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1497
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1498
//	CProtocolIP::Identify
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1499
//	*********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1500
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1501
void CProtocolIP::Identify(TServerProtocolDesc *aInfo) const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1502
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1503
	IP6::Identify(*aInfo, iProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1504
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1505
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1506
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1507
//	CProtocolIP::GetOption
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1508
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1509
//	(shared)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1510
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1511
TInt CProtocolIP::GetOption(TUint aLevel, TUint aName, TDes8& aOption, CProtocolBase* /*aSourceProtocol=NULL*/)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1512
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1513
	if(aLevel == KNifOptLevel)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1514
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1515
		if(aName == KNifOptGetNifIfUser)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1516
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1517
			TNifIfUser ifuser;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1518
			ifuser() = iNifUser;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1519
			aOption.Copy(ifuser);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1520
			return KErrNone;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1521
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1522
		return KErrNotSupported;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1523
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1524
	return iInterfacer->GetOption(aLevel, aName, aOption);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1525
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1526
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1527
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1528
//	CProtocolIP::SetOption
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1529
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1530
//	(shared)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1531
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1532
TInt CProtocolIP::SetOption(TUint aLevel, TUint aName, const TDesC8& aOption, CProtocolBase*)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1533
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1534
	return iInterfacer->SetOption(aLevel, aName, aOption);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1535
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1536
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1537
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1538
//	MergeHeadAndPayload
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1539
//	*******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1540
//	A static, shared utility function for DoBuild methods
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1541
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1542
static TInt MergeHeadAndPayload(RMBufPacketBase &aPacket, TPacketHead &aHead, TInt aHdrLen)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1543
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1544
	TInt err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1545
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1546
	// Prepend the head information to the payload part
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1547
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1548
	if (aHead.iOffset > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1549
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1550
		RMBufChain work;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1551
		err = aHead.iPacket.Copy(work);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1552
		if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1553
			aPacket.Prepend(work);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1554
		work.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1555
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1556
	if (aPacket.IsEmpty())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1557
		err = aPacket.Alloc(aHdrLen);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1558
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1559
		err = aPacket.Prepend(aHdrLen);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1560
	return err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1561
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1562
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1563
// DoBuildIp4
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1564
// **********
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1565
static TInt DoBuildIp4(RMBufPacketBase &aPacket, RMBufPktInfo &aInfo, TPacketHead &aHead, TInt aId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1566
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1567
	aInfo.iProtocol = KProtocolInetIp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1568
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1569
	// Prepend the head information to the payload part
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1570
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1571
	//	*NOTE*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1572
	//		The following will create more RMBuf's than
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1573
	//		is absolutely necessary. Look into this and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1574
	//		optimize at some point!! -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1575
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1576
	const TInt ip4len = TInet6HeaderIP4::MinHeaderLength();	// No IP options for now!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1577
	const TInt err = MergeHeadAndPayload(aPacket, aHead, ip4len);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1578
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1579
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1580
		TInet6Checksum<TInet6HeaderIP4> ip(aPacket);	// Access the packet as IP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1581
		if (ip.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1582
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1583
			aInfo.iLength += ip4len + aHead.iOffset;	// ..above merge does not do this!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1584
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1585
			// Prepare the final packet and info (before hooks).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1586
			// Note: iOffset does not include the IPv4 header length
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1587
			// Note: err is already KErrNone
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1588
			// Note 3: Certain packets must not have ECN ECT bits set. tcp_sap.cpp sets
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1589
			// KIpNoEcnEct for those packets.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1590
			ip.iHdr->Init((aInfo.iFlags & KIpNoEcnEct) ?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1591
					(aHead.ip6.TrafficClass()&0xfc) : aHead.ip6.TrafficClass());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1592
			ip.iHdr->SetProtocol(aHead.ip6.NextHeader());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1593
			ip.iHdr->SetTtl(aHead.ip6.HopLimit());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1594
			// Raw Address load. Someone else must have already checked that
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1595
			// both src and dst are IPv4 mapped addresses at the end of the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1596
			// ReadyL phase! This just does a blind copy... -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1597
			ip.iHdr->DstAddrRef() = aHead.ip6.DstAddr().u.iAddr32[3];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1598
			ip.iHdr->SrcAddrRef() = aHead.ip6.SrcAddr().u.iAddr32[3];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1599
			// The info->iLength is assumed to be correctly maintained!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1600
			ip.iHdr->SetTotalLength(aInfo.iLength);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1601
			ip.iHdr->SetIdentification(aId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1602
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1603
			// Somewhat ad hoc thing: if DontFragment flag is set, then
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1604
			// set the DF bit to the IPv4 header... -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1605
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1606
			if (aInfo.iFlags & KIpDontFragment)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1607
				// ..this "set" generates more code than is necessary, as
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1608
				// a simple "bitset" to the proper byte would do... --msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1609
				ip.iHdr->SetFlags((TUint8)(ip.iHdr->Flags() | KInet4IP_DF));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1610
			ip.ComputeChecksum();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1611
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1612
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1613
			return KErrGeneral;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1614
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1615
	return err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1616
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1617
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1618
// DoBuildIp6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1619
// **********
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1620
static TInt DoBuildIp6(RMBufPacketBase &aPacket, RMBufPktInfo &aInfo, TPacketHead &aHead)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1621
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1622
	aInfo.iProtocol = KProtocolInet6Ip;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1623
	const TInt err = MergeHeadAndPayload(aPacket, aHead, sizeof(TInet6HeaderIP));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1624
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1625
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1626
		TInet6Packet<TInet6HeaderIP> ip(aPacket);	// Access the packet as IP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1627
		if (ip.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1628
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1629
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1630
			// Prepare the final packet and info (before hooks).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1631
			// Note: iOffset does not include the IPv6 header length
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1632
			// Note: err is already KErrNone!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1633
			*ip.iHdr = aHead.ip6;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1634
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1635
			// Note: Certain packets must not have ECN ECT bits set. tcp_sap.cpp sets
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1636
			// KIpNoEcnEct for those packets.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1637
			if (aInfo.iFlags & KIpNoEcnEct)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1638
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1639
				ip.iHdr->SetTrafficClass(ip.iHdr->TrafficClass() & 0xfc);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1640
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1641
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1642
			// Note! info iLength is assumed to be correctly maintained!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1643
			aInfo.iLength += aHead.iOffset;			// ..above merge does not do this!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1644
			ip.iHdr->SetPayloadLength(aInfo.iLength);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1645
			aInfo.iLength += sizeof(TInet6HeaderIP);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1646
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1647
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1648
			return KErrGeneral;		// Bad packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1649
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1650
	return err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1651
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1652
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1653
//	CProtocolIP::DoBuild
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1654
//	********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1655
//	Build packet for IPv4 or IPv6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1656
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1657
TInt CProtocolIP::DoBuild(RMBufPacketBase &aPacket, RMBufPktInfo &aInfo, TPacketHead &aHead)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1658
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1659
	if (aInfo.iFlags & KIpHeaderIncluded)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1660
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1661
		// Set aInfo.iProtocol based on the included header		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1662
		TInet6Packet<TInet6HeaderIP4> ip(aPacket);	// Access the packet as IP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1663
		if (ip.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1664
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1665
			switch (ip.iHdr->Version())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1666
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1667
				case 4:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1668
					aInfo.iProtocol = KProtocolInetIp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1669
					return KErrNone;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1670
				case 6:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1671
					aInfo.iProtocol = KProtocolInet6Ip;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1672
					return KErrNone;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1673
				default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1674
					break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1675
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1676
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1677
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1678
	else switch (aHead.ip6.Version())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1679
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1680
		case 4:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1681
			return DoBuildIp4(aPacket, aInfo, aHead, ++iId);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1682
		case 6:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1683
			return DoBuildIp6(aPacket, aInfo, aHead);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1684
		default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1685
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1686
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1687
	return KErrNotSupported;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1688
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1689
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1690
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1691
// CProtocolIP::Fragment
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1692
// *********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1693
TBool CProtocolIP::Fragment(RMBufSendPacket &aPacket, RMBufSendInfo &aInfo, TInt aMtu, RMBufPktQ &aFragments)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1694
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1695
	if ((aInfo.iFlags & KIpDontFragment) == 0 && iFragmentHeader)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1696
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1697
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1698
		// Remove the flow context from the packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1699
		// (thus fragmenter does not need to worry about it)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1700
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1701
		RFlowContext orig;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1702
		orig.Grab(aInfo.iFlow);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1703
		iFragmentHeader->Fragment(aPacket, aMtu, aFragments);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1704
		aPacket.Free();				// Just in case...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1705
		if (aFragments.IsEmpty()) // Fragmentation failed
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1706
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1707
			orig.Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1708
			return EFalse;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1709
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1710
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1711
		// Attach a reference to the original flow context into each fragment.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1712
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1713
		TMBufPktQIter iter(aFragments);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1714
		for (iter.SetToFirst(); iter.More(); iter++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1715
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1716
			const RMBufChain& frag = (RMBufChain &)iter.Current();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1717
			// PeekInfoInChain should really have "const" in parameter...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1718
			RMBufSendInfo *info = (RMBufSendInfo *)RMBufPacketBase::PeekInfoInChain((RMBufChain &)frag);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1719
			info->iFlow.Copy(orig);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1720
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1721
		orig.Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1722
		return ETrue;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1723
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1724
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1725
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1726
		// Attempt to generate ICMP Error when packet is to be dropped
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1727
		// due unallowed fragmenting
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1728
		aInfo.iFlow.Close();				// Detach flow from info!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1729
		aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1730
		IcmpWrap(aPacket, TIcmpTypeCode(KInet4ICMP_Unreachable, 4, KInet6ICMP_PacketTooBig, 0), aMtu);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1731
		ASSERT(aPacket.IsEmpty());			// IcmpWrap is guaranteed to either take the aPacket or to free it.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1732
		return EFalse;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1733
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1734
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1735
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1736
//	CProtocolIP::DoSendOnePacket
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1737
//	****************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1738
void CProtocolIP::DoSendOnePacket(RMBufSendPacket &aPacket)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1739
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1740
	RMBufSendInfo *info = aPacket.Unpack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1741
	CFlowInternalContext *flow;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1742
	RMBufPktQ fragments;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1743
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1744
	if (!info->iFlow.IsOpen())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1745
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1746
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1747
		// No flow attached, try opening a flow matching the info.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1748
		// *WARNING* If anyone (like 6to4) relies on this, remember.. this is a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1749
		// load to the system (each packet is allocated own flow).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1750
		// Something better should be done -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1751
		if (info->iFlow.Open(iNetwork, info->iDstAddr, info->iSrcAddr, info->iProtocol) != KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1752
			goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1753
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1754
	flow = (CFlowInternalContext *)info->iFlow.FlowContext();	// Always non-NULL!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1755
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1756
	// inilize port information to zero for the NIF
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1757
	// (A hook may change these, if it co-operates with the NIF)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1758
	info->iSrcAddr.SetPort(0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1759
	info->iDstAddr.SetPort(0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1760
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1761
	// Note: DoBuild() initiliazes info->iProtocol either to KProtocolInet6Ip or KProtocolInetIp
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1762
	// depending on the intial IP header (IPv6 or IPv4).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1763
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1764
	// info->iProtocol can be used by the NIF to decide how the packet will be framed and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1765
	// it should be properly set.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1766
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1767
	// If any hook in ApplyHooks adds tunnels, they must also change the the info->iProtocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1768
	// to match the new outermost IP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1769
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1770
	if (DoBuild(aPacket, *info, flow->iHead) != KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1771
		goto packet_drop;		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1772
	if (flow->ApplyHooks(aPacket, *info, fragments, *this) != KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1773
		goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1774
	if (fragments.IsEmpty())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1775
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1776
		aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1777
		iPostOutbound.iHead->iHook->Send(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1778
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1779
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1780
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1781
		// Send out the fragments
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1782
		while (fragments.Remove(aPacket))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1783
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1784
			iPostOutbound.iHead->iHook->Send(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1785
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1786
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1787
	return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1788
packet_drop:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1789
	if (aPacket.IsEmpty())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1790
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1791
		// Packet has been "eaten" by someone -- not availble any more
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1792
		LOG(Log::Printf(_L("\tDROPPED SEND -- Packet dropped/processed by hook/internally")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1793
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1794
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1795
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1796
		// Default close/free, if packet has not been "eaten" by some already
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1797
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1798
		TBuf<70> tmp_src;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1799
		TBuf<70> tmp_dst;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1800
		TInetAddr::Cast(info->iSrcAddr).OutputWithScope(tmp_src);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1801
		TInetAddr::Cast(info->iDstAddr).OutputWithScope(tmp_dst);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1802
		Log::Printf(_L("\tDROPPED SEND src=[%S] dst=[%S] proto=%d"), &tmp_src, &tmp_dst, info->iProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1803
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1804
		info->iFlow.Close();			// Detach flow from packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1805
		aPacket.Free();					// Release packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1806
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1807
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1808
	// If packet got fragmented, release the fragments.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1809
	while (fragments.Remove(aPacket))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1810
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1811
		info = aPacket.Unpack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1812
		info->iFlow.Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1813
		aPacket.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1814
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1815
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1816
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1817
//	CProtocolIP::InterfaceAttached
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1818
//	******************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1819
//	Notification from the interface manager about new interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1820
//	instance being bound to the stack. The network layer does not
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1821
//	self need this for anything.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1822
void CProtocolIP::InterfaceAttached(const TDesC &aName, CNifIfBase *aIf)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1823
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1824
	// There are two instances, one for IPv6 and one for IPv4.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1825
	// Currently all processing is concentrated into iNetwork
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1826
	// instance (== IPv6) and the IPv4 instance is just a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1827
	// "pass-through".
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1828
 	if (iNetwork != this && iNetwork)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1829
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1830
		((CProtocolIP *)iNetwork->Protocol())->InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1831
 		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1832
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1833
	iOutbound.InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1834
	iForwardHooks.InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1835
	iPostOutbound.InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1836
	iPostInbound.InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1837
	for (TUint i = 0; i < iSwitchSize; i++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1838
		iSwitch[i].InterfaceAttached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1839
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1840
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1841
//	CProtocolIP::InterfaceDetached
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1842
//	******************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1843
//	Notification from the interface manager about old interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1844
//	instance being unbound to the stack. The network layer does not
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1845
//	self need this for anything.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1846
void CProtocolIP::InterfaceDetached(const TDesC &aName, CNifIfBase *aIf)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1847
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1848
	// There are two instances, one for IPv6 and one for IPv4.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1849
	// Currently all processing is concentrated into iNetwork
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1850
	// instance (== IPv6) and the IPv4 instance is just a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1851
	// "pass-through".
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1852
 	if (iNetwork != this && iNetwork)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1853
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1854
		((CProtocolIP *)iNetwork->Protocol())->InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1855
 		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1856
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1857
	iOutbound.InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1858
	iForwardHooks.InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1859
	iPostOutbound.InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1860
	iPostInbound.InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1861
	for (TUint i = 0; i < iSwitchSize; i++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1862
		iSwitch[i].InterfaceDetached(aName, aIf);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1863
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1864
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1865
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1866
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1867
//	CProtocolIP::StartSending
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1868
//	*************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1869
//	Upcalls from the interfaces
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1870
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1871
void CProtocolIP::StartSending(CProtocolBase *aIface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1872
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1873
	LOG(Log::Printf(_L("StartSending\t%S for NIF[%u] - Start"), &ProtocolName(), (TInt)aIface));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1874
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1875
	// There are two instances, one for IPv6 and one for IPv4.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1876
	// Currently all processing is concentrated into iNetwork
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1877
	// instance (== IPv6) and the IPv4 instance is just a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1878
	// "pass-through".
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1879
 	if (iNetwork != this && iNetwork)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1880
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1881
		iNetwork->Protocol()->StartSending(aIface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1882
 		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1883
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1884
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1885
	// If the parameter is NULL, then this a forwarded
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1886
	// call from some bound protocol and this only occurs
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1887
	// for UP transitions. Otherwise this is a real StartSending
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1888
	// from the interface and the transition state is decided
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1889
	// by the interface manager.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1890
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1891
	if (aIface == NULL ||
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1892
		iInterfacer->StartSending((CNifIfBase*)aIface) == KIfaceTransition_UP)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1893
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1894
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1895
		// Notify All bound prototocols
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1896
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1897
		for (TUint i = 0; i < iSwitchSize; i++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1898
			iSwitch[i].StartSending(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1899
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1900
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1901
	// Notify post hook (if any)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1902
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1903
	if (aIface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1904
		// iPostInbound too?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1905
		iPostOutbound.StartSending(aIface, this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1906
	LOG(Log::Printf(_L("StartSending\t%S for NIF[%u] - Done"), &ProtocolName(), (TInt)aIface));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1907
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1908
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1909
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1910
//	CProtocolIP::Error
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1911
//	******************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1912
//	Upcalls from the interfaces
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1913
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1914
void CProtocolIP::Error(TInt aError, CProtocolBase* aIface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1915
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1916
	LOG(Log::Printf(_L("Error\t%S Error=%d for NIF[%u] - start"), &ProtocolName(), aError, (TInt)aIface));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1917
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1918
	// There are two instances, one for IPv6 and one for IPv4.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1919
	// Currently all processing is concentrated into iNetwork
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1920
	// instance (== IPv6) and the IPv4 instance is just a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1921
	// "pass-through".
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1922
 	if (iNetwork != this && iNetwork)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1923
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1924
 		iNetwork->Protocol()->Error(aError, aIface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1925
 		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1926
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1927
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1928
	if (aIface == NULL ||
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1929
		iInterfacer->Error(aError, (CNifIfBase *)aIface) != KIfaceTransition_NONE)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1930
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1931
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1932
		// Notify All bound prototocols
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1933
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1934
		for (TUint i = 0; i < iSwitchSize; i++)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1935
			iSwitch[i].Error(aError, this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1936
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1937
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1938
	// Notify post hook (if any)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1939
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1940
	if (aIface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1941
		// iPostInbound too?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1942
		iPostOutbound.Error(aError, aIface, this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1943
	LOG(Log::Printf(_L("Error\t%S Error=%d for NIF[%u] - completed"), &ProtocolName(), aError, (TInt)aIface));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1944
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1945
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1946
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1947
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1948
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1949
//	VerifyPacket
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1950
//	************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1951
//	This checks the consistency of the various information fields.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1952
//	Intended for DEBUG use to check the correctness of the Hook returns
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1953
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1954
static void VerifyPacket(RMBufRecvPacket &aPacket, const RMBufRecvInfo &aInfo)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1955
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1956
	// - there must be something to process!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1957
	ASSERT(!aPacket.IsEmpty());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1958
	// - hook must maintain correct iLength!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1959
	ASSERT(aInfo.iLength == aPacket.Length());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1960
	// - the related IP header must always be before the current header
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1961
	ASSERT(aInfo.iOffsetIp < aInfo.iOffset);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1962
	// - the previous next header field is always before the current header, but after
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1963
	//   the related IP header
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1964
	ASSERT(aInfo.iPrevNextHdr > aInfo.iOffsetIp);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1965
	ASSERT(aInfo.iPrevNextHdr < aInfo.iOffset);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1966
	// - if the packet is on ICMP error path (IcmpHandler), then iOffsetIp should
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1967
	//   point to the IP header of the returned error packet, and must always be
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1968
	//   preceded by ICMP header (and thus >= 8)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1969
	ASSERT(aInfo.iIcmp == 0 || aInfo.iOffsetIp >= 8);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1970
	// - iOffset is always <= iLength!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1971
	ASSERT(aInfo.iOffset <= aInfo.iLength);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1972
	// - legal values for the next header field are [0..255] ( --> iProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1973
	ASSERT(aInfo.iProtocol < 256);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1974
	// - hook can freely mangle the packet RMBufs, but the returned packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1975
	//   must always have the *original* information block!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1976
	ASSERT(&aInfo == aPacket.Info());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1977
	// - info addresses must always be in IPv6 format
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1978
	ASSERT(aInfo.iSrcAddr.Family() == KAfInet6);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1979
	ASSERT(aInfo.iDstAddr.Family() == KAfInet6);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1980
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1981
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1982
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1983
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1984
//	ClassifyIcmp
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1985
//	************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1986
//	This is an internal help utility to classify ICMP messages by
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1987
//	their type into three categories by following returns
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1988
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1989
typedef enum
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1990
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1991
	EIcmpType_NONE,		// Not an ICMP, protocol is neither ICMPv4 nor ICMPv6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1992
	EIcmpType_ECHO,		// ICMP echo request
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1993
	EIcmpType_ERROR,	// ICMP error report
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1994
	EIcmpType_OTHER		// Other ICMP, none of the above
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1995
	} TIcmpType;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1996
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1997
static TIcmpType ClassifyIcmp(const TInt aProtocol, const TInt aType)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1998
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1999
	if (aProtocol == STATIC_CAST(TInt, KProtocolInet6Icmp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2000
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2001
		if (aType == KInet6ICMP_EchoRequest)		// .. == 128
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2002
			return EIcmpType_ECHO;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2003
		else if (aType > KInet6ICMP_EchoRequest)	// .. > 128
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2004
			return EIcmpType_OTHER;						// ...are non-Error ICMP's
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2005
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2006
			return EIcmpType_ERROR;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2007
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2008
	else if (aProtocol == STATIC_CAST(TInt, KProtocolInetIcmp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2009
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2010
		switch (aType)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2011
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2012
			case KInet4ICMP_Unreachable:		// Destination unreachable
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2013
			case KInet4ICMP_SourceQuench:		// Source Quench
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2014
			case KInet4ICMP_Redirect:			// Redirect request
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2015
			case KInet4ICMP_TimeExceeded:		// Time Exceeded
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2016
			case KInet4ICMP_ParameterProblem:	// Parameter Problem
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2017
				return EIcmpType_ERROR;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2018
			case KInet4ICMP_Echo:				// Echo
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2019
				return EIcmpType_ECHO;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2020
			default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2021
				return EIcmpType_OTHER;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2022
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2023
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2024
	return EIcmpType_NONE;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2025
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2026
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2027
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2028
// Compute simple hash value from TInetAddr
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2029
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2030
static TUint HashIt(const TInetAddr &aAddr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2031
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2032
	TUint hash = aAddr.Port() & 0xffff;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2033
	const TIp6Addr &addr = aAddr.Ip6Address();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2034
	hash += addr.u.iAddr16[0];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2035
	hash += addr.u.iAddr16[1];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2036
	hash += addr.u.iAddr16[2];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2037
	hash += addr.u.iAddr16[3];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2038
	hash += addr.u.iAddr16[4];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2039
	hash += addr.u.iAddr16[5];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2040
	hash += addr.u.iAddr16[6];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2041
	hash += addr.u.iAddr16[7];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2042
	hash += aAddr.Scope();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2043
	return hash;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2044
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2045
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2046
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2047
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2048
// CProtocolIP::SetHookValue
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2049
// *************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2050
TInt CProtocolIP::SetHookValue(const TUint32 aId, const TUint32 aValue)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2051
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2052
	// The packet id (identified iwth aId==0) cannot be set (read-only)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2053
	if (aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2054
		return KErrArgument;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2055
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2056
	TInt j = iPacketContextCount; // Next free slot, if any
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2057
	for (TInt i = 0;; ++i)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2058
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2059
		if (i == iPacketContextCount)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2060
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2061
			// Key not found.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2062
			if (aValue == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2063
				return KErrNone; // No need to store 0 values!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2064
			if (j == i) // == iPacketContextCount
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2065
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2066
				// need to allocate new slot
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2067
				const TInt size = sizeof(iPacketContext) / sizeof(iPacketContext[0]);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2068
				if (j == size)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2069
					return KErrNoMemory; // No room!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2070
				iPacketContextCount += 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2071
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2072
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2073
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2074
		if (iPacketContext[i].iKey ==  aId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2075
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2076
			j = i; // Same key, replace with new value
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2077
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2078
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2079
		if (iPacketContext[i].iValue == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2080
			j = i; // If value == 0, then entry can be reused
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2081
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2082
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2083
	iPacketContext[j].iKey = aId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2084
	iPacketContext[j].iValue = aValue;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2085
	return KErrNone;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2086
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2087
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2088
// CProtocolIP::HookValue
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2089
// **********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2090
TUint32 CProtocolIP::HookValue(const TUint32 aId) const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2091
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2092
	// aId==0 is a special key for the Packet Id (read-only)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2093
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2094
	if (aId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2095
		return iPacketId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2096
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2097
	for (TInt i = 0; i < iPacketContextCount; ++i)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2098
		if (iPacketContext[i].iKey == aId)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2099
			return iPacketContext[i].iValue;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2100
	return 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2101
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2102
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2103
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2104
//	CProtocolIP::DoSwitchL()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2105
//	************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2106
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2107
TBool CProtocolIP::DoSwitchL(RMBufHookPacket &aPacket)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2108
	/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2109
	* Processes one layer of IP header with extension headers.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2110
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2111
	* @param aPacket The packet (unpacked state)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2112
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2113
	* @return
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2114
	* 	@li	FALSE, if packet has been processed (either dropped or accepted)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2115
	*	@li TRUE, if detunneling happened (packet contained another IP header)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2116
	*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2117
	* The leave happens if a called ApplyL leaves.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2118
	* The caller must trap the leave and release the packet.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2119
	*/
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2120
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2121
packet_redo:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2122
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2123
	// If a generic hook modifies the packet (returns KIp6Hook_DONE), then
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2124
	// this cancels the currently selected transport protocol (target) and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2125
	// the protocol specific hooks for the new protocol are executed. After
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2126
	// this, all generic hooks are executed again.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2127
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2128
	// If none of the protocol specific hooks modifies the packet (all return
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2129
	// KIp6Hook_PASS), then without the exclusion mechanism, the original
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2130
	// generic hook, which restarted the process, would be called again with
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2131
	// exactly the same packet for which it already reported DONE. To spare
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2132
	// the hook from responsibility of detecting this situation, the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2133
	// exclusion is implemented here (exclude_this), and the protocol is
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2134
	// not called.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2135
	CHookEntry *exclude_this = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2136
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2137
	CHookEntry *h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2138
	TInt ret = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2139
	RMBufRecvInfo *const info = aPacket.Info();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2140
	info->iFlags &= ~KIpAddressVerified;	// Verify addressess at least at beginning!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2141
	for (;;)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2142
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2143
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2144
		// *NOTE*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2145
		//	If iProtocol == 0, this is a Hob-by-Hop header. To get it executed, skip
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2146
		//	the address check and fall to the switch loop without clearing the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2147
		//	address flag. After header is handled and skipped, the control comes back
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2148
		//	here and address is now checked. (This can happen only initially, HBH is
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2149
		//	is not accepted from the hooks at later stages)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2150
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2151
		if (info->iProtocol && (info->iFlags & KIpAddressVerified) == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2152
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2153
			info->iFlags |= KIpAddressVerified;	// .. it will be after following.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2154
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2155
			if (info->iVersion == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2156
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2157
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2158
				// IPv4 specific address tests (for now, just blindly assume
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2159
				// that addresses are in IPv4 mapped format, and fetch the last
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2160
				// 4 bytes of the IPv6 address... (NETWORK ORDER!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2161
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2162
				const TUint32 src32 = TInetAddr::Cast(info->iSrcAddr).Ip6Address().u.iAddr32[3];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2163
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2164
				if (((TUint8 &)src32) >= 224)	// Do not accept multicast or other weirdos as src.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2165
					goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2166
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2167
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2168
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2169
				// IPv6 specific address tests
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2170
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2171
				// Note: ND Duplicate Address Detection requires that src=Unspecified must pass through..
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2172
				if (TIp46Addr::Cast(TInetAddr::Cast(info->iSrcAddr).Ip6Address()).IsMulticast())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2173
					goto packet_drop;//Do not accept Multicast as a source address!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2174
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2175
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2176
			ret = iInterfacer->IsForMePacket(*info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2177
			if (ret < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2178
				goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2179
			else if (ret == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2180
				break;	// Not for me, forward?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2181
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2182
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2183
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2184
		// Call Extension Header Handlers and Hooks
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2185
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2186
		CProtocolBase *target = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2187
		for (h = iSwitch[info->iProtocol].iHead;;)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2188
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2189
			ASSERT(h != NULL);	// ..there is ALWAYS the NULL protocol with IsProtocol() == TRUE!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2190
			if (info->iOffset > info->iLength)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2191
				goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2192
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2193
			if (h->IsProtocol())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2194
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2195
				if (target)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2196
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2197
					if (target == this)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2198
						{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2199
						//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2200
						// Detunneling detected. IP is registered as upper layer
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2201
						// only for IP-in-IP tunneling protocols.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2202
						//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2203
						aPacket.TrimStart(info->iOffset);	// Trim to the inner IP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2204
						info->iOffset = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2205
						return TRUE;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2206
						}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2207
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2208
					if (aPacket.IsEmpty())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2209
						goto packet_drop;	// Cannot have EMPTY packet at this stage!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2210
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2211
					ASSERT(info->iLength == aPacket.Length());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2212
					//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2213
					// Deliver packets to raw SAP's (if any). Demux packets based
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2214
					// on IP version to appropriate IP protocol instance (if we
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2215
					// have the IP6 + IP4slave configuration).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2216
					//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2217
					if (info->iVersion == 4 && iSlavedIP4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2218
						{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2219
						if (iSlavedIP4->iSapCount > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2220
							iSlavedIP4->Deliver(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2221
						}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2222
					else if (iSapCount > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2223
						Deliver(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2224
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2225
					if (info->iProtocol == STATIC_CAST(TInt, KProtocolInet6Icmp) || info->iProtocol == STATIC_CAST(TInt, KProtocolInetIcmp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2226
						{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2227
						// Call internal ICMP handler
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2228
						if (IcmpHandlerL(aPacket, *info, target) < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2229
							goto packet_done;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2230
						}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2231
					aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2232
					target->Process(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2233
					goto packet_done;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2234
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2235
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2236
				// Target protocol found (Phase 1 done)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2237
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2238
				target = h->iProtocol;	// Always != NULL!!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2239
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2240
				// Now, process all generic hook(s), if any registered
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2241
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2242
				h = iSwitch[KIp6Hook_ANY].iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2243
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2244
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2245
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2246
				if (h != exclude_this)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2247
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2248
					ret = h->iHook->ApplyL(aPacket, *info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2249
					if (ret < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2250
						goto packet_done;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2251
					LOG(VerifyPacket(aPacket, *info));	// Hook sanity checks...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2252
					if (ret == KIp6Hook_DONE)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2253
						{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2254
						if (target)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2255
							exclude_this = h;		// -- prevent repeated call for the same packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2256
						else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2257
							exclude_this = NULL;	// -- remove exclusion (if any)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2258
						if (info->iProtocol == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2259
							{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2260
							// HOP-by-HOP options can only appear as first after IP header
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2261
							// ?What about IPv4 case? -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2262
							Icmp6Send(aPacket, KInet6ICMP_ParameterProblem, /*code*/ 1, info->iPrevNextHdr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2263
							goto packet_done;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2264
							}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2265
						break;	// == Next header (need to recheck MyAddress!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2266
						}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2267
					ASSERT(ret == KIp6Hook_PASS);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2268
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2269
				h = h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2270
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2271
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2272
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2273
#ifdef SYMBIAN_TCPIPDHCP_UPDATE	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2274
	//Check whether the source address scope is less than the destination address scope,if that is the case through 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2275
	//ICMP error code 2,beyond scope of source address (Refer RFC 4443: sec 3.1)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2276
		if(info->iVersion == 6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2277
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2278
			TInet6Checksum<TInet6HeaderIP4> ip(aPacket, info->iOffsetIp);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2279
			if (!ip.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2280
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2281
				goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2282
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2283
			TInet6HeaderIP *const ip6 = (TInet6HeaderIP *)ip.iHdr;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2284
			if (ip.iLength < TInet6HeaderIP::MinHeaderLength())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2285
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2286
				goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2287
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2288
			if ( ip6->SrcAddr().Scope() < ip6->DstAddr().Scope())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2289
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2290
				// Attempting to forward out of scope of the source address (mainly for IPv6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2291
				aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2292
				IcmpWrap(aPacket, TIcmpTypeCode(KInet4ICMP_Unreachable, 0, KInet6ICMP_Unreachable, 2));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2293
				return EFalse;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2294
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2295
			}//end of scope check
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2296
#endif // SYMBIAN_TCPIPDHCP_UPDATE 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2297
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2298
	// *************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2299
	// Packet forwarding section
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2300
	// *************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2301
	// (a simple and quick sketch, not efficient, including
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2302
	// juggling of addresses between flow and info... -- msa)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2303
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2304
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2305
	// Try forwarding hooks first
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2306
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2307
	for (h = iForwardHooks.iHead; h != NULL; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2308
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2309
		ret = h->iHook->ApplyL(aPacket, *info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2310
		if (ret < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2311
			goto packet_done;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2312
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2313
		LOG(VerifyPacket(aPacket, *info));	// Hook sanity checks...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2314
		if (ret == KIp6Hook_DONE)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2315
			goto packet_redo;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2316
		ASSERT(ret == KIp6Hook_PASS);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2317
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2318
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2319
	if (info->iIcmp == 0 && iForwardFlowSize > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2320
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2321
		if (TInetAddr::Cast(info->iDstAddr).IsMulticast())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2322
			goto packet_drop;		// Do not forward multicast packets!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2323
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2324
		// Modify some of IP header parameters before attempting to forward
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2325
		// (specifically addresses which may have been changed due to routing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2326
		// header and other similar processing)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2327
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2328
		TInt hops;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2329
		info->iFlags = KIpDontFragment|KIpHeaderIncluded;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2330
		TInet6Checksum<TInet6HeaderIP4> ip(aPacket, info->iOffsetIp);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2331
		if (!ip.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2332
			goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2333
		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2334
		if (info->iVersion == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2335
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2336
			// IPv4 specific forwarding checks
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2337
			hops = ip.iHdr->Ttl() - 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2338
			ip.iHdr->SetTtl(hops);			// Blindly set, don't care if 0 or negative.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2339
			ip.ComputeChecksum();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2340
			if (!ip.iHdr->DF())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2341
				info->iFlags &= ~KIpDontFragment;	// Allow fragmenting
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2342
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2343
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2344
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2345
			// IPv6 specific forwarding checks
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2346
			// IPv4 mapping will cover also all of the IPv6 header, if packet is long enough
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2347
			TInet6HeaderIP *const ip6 = (TInet6HeaderIP *)ip.iHdr;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2348
			if (ip.iLength < TInet6HeaderIP::MinHeaderLength())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2349
				goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2350
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2351
			hops = ip6->HopLimit() - 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2352
			ip6->SetHopLimit(hops);			// Blindly set, don't care if 0 or negative.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2353
			// For now, IPv6 only forwards unicast addresses (basicly need to drop
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2354
			// all routers addresseses...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2355
			if (!ip6->DstAddr().IsUnicast())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2356
				goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2357
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2358
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2359
		// For the flow, do some quick upper layer snooping
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2360
		// (also needed to detect ICMP errors and not reply to them)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2361
		// *NOTE*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2362
		//	This snoop is intentionally "shallow", only the outermost
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2363
		//	layer is tested. If an ICMP error is hidden under some
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2364
		//	extension headers, it is perfectly legal to reply to it
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2365
		//	with Time Exceeded (as it is in general case impossible
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2366
		//	to skip over the potentially unkown extension headers
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2367
		//	here!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2368
		// *NOTE*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2369
		//	All of this does not make much sense, because it is never
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2370
		//	100% sure for IPSEC. Thus, the right thing is not to try!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2371
		//	- only do this lightweight snoop for ICMP when Time
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2372
		//	exceeded is about to be sent (its optional in IPv6 anyway)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2373
		//	- accept that any IPSEC policies which affect forwarding,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2374
		//	can only be written based on src/dst addresses. The protocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2375
		//	can be used, but with knowledge, that it will always be
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2376
		//	the outermost header just below the IP header! -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2377
		info->iSrcAddr.SetPort(0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2378
		info->iDstAddr.SetPort(0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2379
		// (borrow the info type & code fields for a moment)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2380
		info->iType = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2381
		info->iCode = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2382
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2383
			const TUint proto = (TUint)info->iProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2384
			const TInt is_icmp = proto == KProtocolInetIcmp || proto == KProtocolInet6Icmp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2385
			const TInt is_ports = proto == KProtocolInetUdp || proto == KProtocolInetTcp;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2386
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2387
			if (is_icmp || is_ports)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2388
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2389
				TInet6Packet<TUpperLayerSnoop> snoop(aPacket, info->iOffset);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2390
				if (snoop.iHdr == NULL)	// runt packet!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2391
					goto packet_drop;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2392
				if (is_icmp)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2393
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2394
					info->iType = snoop.iHdr->icmp.Type();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2395
					info->iCode = snoop.iHdr->icmp.Code();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2396
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2397
				else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2398
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2399
					info->iDstAddr.SetPort(snoop.iHdr->udp.DstPort());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2400
					info->iSrcAddr.SetPort(snoop.iHdr->udp.SrcPort());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2401
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2402
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2403
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2404
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2405
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2406
			TBuf<70> tmp_src;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2407
			TBuf<70> tmp_dst;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2408
			TInetAddr::Cast(info->iSrcAddr).OutputWithScope(tmp_src);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2409
			TInetAddr::Cast(info->iDstAddr).OutputWithScope(tmp_dst);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2410
			Log::Printf(_L("\tFORWARDING src=[%S %d] dst=[%S %d] proto=%d type=%d code=%d hops=%d (%d hit=%u miss=%u)"),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2411
				&tmp_src, info->iSrcAddr.Port(),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2412
				&tmp_dst, info->iDstAddr.Port(),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2413
				info->iProtocol,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2414
				(TInt)info->iType, (TInt)info->iCode,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2415
				hops,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2416
				iForwardFlowCount,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2417
				iForwardHits,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2418
				iForwardMiss);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2419
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2420
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2421
		if (hops <= 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2422
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2423
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2424
			// Complain with Time Exceeded ICMP error
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2425
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2426
			// NOTE:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2427
			//	ClassifyIcmp can be called with non-ICMP protocol, it only returns
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2428
			//	EIcmpType_ERROR, if there is a real ICMP protocol!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2429
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2430
			if (ClassifyIcmp(info->iProtocol, info->iType) == EIcmpType_ERROR)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2431
				goto packet_drop;		// Avoid sending ICMP error for ICMP Error!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2432
			if (info->iVersion == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2433
				Icmp4Send(aPacket, KInet4ICMP_TimeExceeded, /*code*/ 0, /*Paramater*/ 0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2434
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2435
				Icmp6Send(aPacket, KInet6ICMP_TimeExceeded, /*code*/ 0, /*Paramater*/ 0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2436
			goto packet_done;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2437
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2438
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2439
		// Choose the flow
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2440
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2441
		const TUint hash =
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2442
			HashIt(TInetAddr::Cast(info->iDstAddr)) +
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2443
			HashIt(TInetAddr::Cast(info->iSrcAddr)) +
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2444
			info->iCode +
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2445
			info->iType +
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2446
			info->iProtocol +
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2447
			info->iInterfaceIndex;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2448
		RFlowContext &flow = iForwardFlow[hash % iForwardFlowSize];
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2449
		if (!flow.IsOpen())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2450
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2451
			if (flow.Open(this, 0) != KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2452
				goto packet_drop;	// No flow context and creation failed, just drop.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2453
			// Mark this as forwarding flow.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2454
			flow.FlowContext()->iInfo.iForwardingFlow = 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2455
			// Do not keep interfaces up due to forwarding flows.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2456
			flow.FlowContext()->SetOption(KSolInetIp, KSoKeepInterfaceUp, KInetOptionDisable);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2457
			iForwardFlowCount += 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2458
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2459
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2460
		// Set up flow for the packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2461
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2462
		flow.SetRemoteAddr(info->iDstAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2463
		flow.SetLocalAddr(info->iSrcAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2464
		flow.SetProtocol(info->iProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2465
		flow.SetIcmpType(info->iType, info->iCode);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2466
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2467
		// Collect some statistics
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2468
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2469
		if (((CFlowInternalContext *)flow.FlowContext())->IsChanged())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2470
			iForwardMiss += 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2471
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2472
			iForwardHits += 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2473
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2474
		ret = ((RMBufSendInfo *)info)->iFlow.Open(flow);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2475
		if (ret == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2476
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2477
			if (info->iOffsetIp > 0)	// Throw away outer IP header layers (in case some detunneling left them in buffer)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2478
				aPacket.TrimStart(info->iOffsetIp);	// (info->iLength updated by TrimStart!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2479
			aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2480
			Send(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2481
			return FALSE;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2482
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2483
		else if (ret == KErrInet6SourceAddress)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2484
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2485
			// Attempting to forward out of scope of the source address (mainly for IPv6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2486
			aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2487
			IcmpWrap(aPacket, TIcmpTypeCode(KInet4ICMP_Unreachable, 0, KInet6ICMP_Unreachable, 2));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2488
			return FALSE;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2489
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2490
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2491
	// Just FALL to packet drop on flow attach failure
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2492
packet_drop:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2493
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2494
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2495
		TBuf<70> tmp_src;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2496
		TBuf<70> tmp_dst;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2497
		TInetAddr::Cast(info->iSrcAddr).OutputWithScope(tmp_src);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2498
		TInetAddr::Cast(info->iDstAddr).OutputWithScope(tmp_dst);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2499
		Log::Printf(_L("\tDROPPING src=[%S] dst=[%S] proto=%d"), &tmp_src, &tmp_dst, info->iProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2500
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2501
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2502
	aPacket.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2503
packet_done:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2504
	ASSERT(aPacket.IsEmpty());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2505
	return FALSE;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2506
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2507
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2508
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2509
//	CProtocolIP::DoProcessOnePacketL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2510
//	********************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2511
//	The same code is used for both IPv6 and IPv4 protocol instances and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2512
//	this accepts both type of packets, regardless of the source (it accepts
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2513
//	IPv6 packets from IPv4 interface and vice versa).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2514
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2515
//	The caller must trap the leave and release the packet!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2516
//	The caller is also assumed to free the packet if not consumed by this.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2517
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2518
void CProtocolIP::DoProcessOnePacketL(RMBufHookPacket &aPacket)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2519
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2520
	RMBufRecvInfo *const info = aPacket.Unpack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2521
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2522
#ifdef ARP
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2523
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2524
	// Assume the packet contains an IPv4 ARP packet, if the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2525
	// iProtocol is set to KProtocolArp.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2526
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2527
	if (info->iProtocol == STATIC_CAST(TInt, KProtocolArp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2528
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2529
		(void)iInterfacer->ArpHandler(aPacket, *info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2530
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2531
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2532
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2533
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2534
	// Bump the packet id, Zero is not accepted.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2535
	if (++iPacketId == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2536
		iPacketId = 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2537
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2538
	// RFC-3168 detunneling: when a packet arrives, there
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2539
	// is no outer header and the congestion flas is
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2540
	// initially OFF.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2541
	TBool ecnCongestion = EFalse;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2542
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2543
	do	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2544
		// Each IP header resets the packet context (when detunneling is
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2545
		// done, the previous context data is forgotten. This is needed
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2546
		// because the main use of the context is to detect options
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2547
		// implemented by hooks, and if a new IP layer is started, the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2548
		// previous option data is not any more relevant).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2549
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2550
		// Note: The packet id is not changed when detunneling occurs.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2551
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2552
		iPacketContextCount = 0;	// Reset Packet Context
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2553
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2554
		TInet6Packet<TIpHeader> ip(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2555
		TInt total, hlen;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2556
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2557
		// RFC-3168: This a temporary copy of the TOS (IPv4) or
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2558
		// Traffic Class (IPv6) from the current IP header. 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2559
		TInt tos;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2560
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2561
		if (!ip.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2562
			break;				// Bad packet, just drop
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2563
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2564
		info->iOffsetIp = 0;	// First IP header is at start of the buffer.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2565
		info->iIcmp = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2566
		info->iVersion = (TUint8)ip.iHdr->ip4.Version();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2567
		if (info->iVersion == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2568
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2569
			hlen = ip.iHdr->ip4.HeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2570
			if (hlen < TInet6HeaderIP4::MinHeaderLength())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2571
				break;		// Corrupt IPv4 packet (header too short!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2572
			total = ip.iHdr->ip4.TotalLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2573
			info->iPrevNextHdr = TInet6HeaderIP4::O_Protocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2574
			tos = ip.iHdr->ip4.TOS();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2575
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2576
		else if (info->iVersion == 6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2577
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2578
			hlen = ip.iHdr->ip6.HeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2579
			total = hlen + ip.iHdr->ip6.PayloadLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2580
			info->iPrevNextHdr = TInet6HeaderIP::O_NextHeader;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2581
			tos = ip.iHdr->ip6.TrafficClass();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2582
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2583
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2584
			break;	// Only IPv4 and IPv6 are supported (probably corrupt packet)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2585
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2586
		if (ip.iLength < hlen)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2587
			break;	// The packet is not long enough for IPv4 or IPv6 header
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2588
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2589
		info->iOffset = hlen;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2590
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2591
		const TInt extra = info->iLength - total;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2592
		if (extra < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2593
			break;	// The packet is not long enough for the indicated payload
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2594
		else if (extra > 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2595
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2596
			info->iLength -= extra;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2597
			aPacket.TrimEnd(info->iLength);	// (note, info->iLength also reset by TrimEnd!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2598
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2599
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2600
		if (info->iFlags & KIpNoEcnEct || (tos & 3) == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2601
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2602
			// ECN has been disabled for this packet/header. Clear out
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2603
			// congestion status (if set).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2604
			ecnCongestion = EFalse;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2605
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2606
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2607
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2608
			// Current IP has ECN enabled.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2609
			ecnCongestion |= (tos & 3) == 3;	// Set ecnCongestion if CE flag.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2610
			// Proactively, set CE to the saved TOS/TrafficClass. It will only be
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2611
			// copied to the packet header, if ecnCongestion is also set.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2612
			tos |= 3;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2613
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2614
		if (info->iVersion == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2615
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2616
			if (TChecksum::ComplementedFold(TChecksum::Calculate((TUint16*)ip.iHdr, hlen)) != 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2617
				break;		// Packet fails IPv4 header checksum
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2618
			if (ecnCongestion)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2619
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2620
				// Set ECN CE to inner header if ECN is enabled and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2621
				// if outer header indicated congestion. Note: IP checksum
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2622
				// is not updated (The assumption is that the checksum is not
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2623
				// checked after this by anyone, and if the packet ends up
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2624
				// being forwarded, the checksum is recomputed there anyway).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2625
				ip.iHdr->ip4.SetTOS(tos);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2626
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2627
			// Setup addresses and protocol into info before the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2628
			// fragment assembly (if this is the first fragment, the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2629
			// values will be the final values for the assembled
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2630
			// packet).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2631
			TInetAddr::Cast(info->iSrcAddr).SetV4MappedAddress(ip.iHdr->ip4.SrcAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2632
			TInetAddr::Cast(info->iDstAddr).SetV4MappedAddress(ip.iHdr->ip4.DstAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2633
			info->iProtocol = ip.iHdr->ip4.Protocol();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2634
			if (ip.iHdr->ip4.MF() || ip.iHdr->ip4.FragmentOffset())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2635
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2636
				if (iFragmentHeader->Ip4ApplyL(aPacket, *info, ip.iHdr->ip4) < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2637
					break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2638
				LOG(VerifyPacket(aPacket, *info));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2639
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2640
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2641
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2642
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2643
			if (ecnCongestion)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2644
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2645
				// Set ECN CE to inner header if ECN is enabled and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2646
				// if outer header indicated congestion.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2647
				ip.iHdr->ip6.SetTrafficClass(tos);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2648
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2649
			TInetAddr::Cast(info->iSrcAddr).SetAddress(ip.iHdr->ip6.SrcAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2650
			TInetAddr::Cast(info->iSrcAddr).SetFlowLabel(ip.iHdr->ip6.FlowLabel());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2651
			TInetAddr::Cast(info->iDstAddr).SetAddress(ip.iHdr->ip6.DstAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2652
			TInetAddr::Cast(info->iDstAddr).SetFlowLabel(0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2653
			info->iProtocol = ip.iHdr->ip6.NextHeader();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2654
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2655
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2656
		// Dispatch the packet (returns TRUE, only if tunneled IP header is uncovered)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2657
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2658
		} while (DoSwitchL(aPacket));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2659
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2660
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2661
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2662
//	CProtocolIP::DoProcess
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2663
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2664
//	The same code is used for both IPv6 and IPv4 protocol instances and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2665
//	this accepts both type of packets, regardless of the source (it accepts
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2666
//	IPv6 packets from IPv4 interface and vice versa).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2667
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2668
void CProtocolIP::DoProcess()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2669
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2670
	ASSERT(this == iNetwork);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2671
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2672
	RMBufHookPacket packet(this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2673
	LOG(Log::Printf(_L("--- Process Queued Packets")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2674
	while (iRecvQ.Remove(packet))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2675
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2676
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2677
		// Process one IP packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2678
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2679
		TRAPD(err, DoProcessOnePacketL(packet));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2680
		err = err;  // Clearing "never used" warning caused by TRAPD
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2681
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2682
		// Free leftovers, if any
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2683
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2684
		LOG(if (!packet.IsEmpty()) Log::Printf(_L("\tPacket dropped by LEAVE %d"), err););
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2685
		packet.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2686
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2687
	LOG(Log::Printf(_L("--- End Processing")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2688
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2689
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2690
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2691
//	CProtocolIP::Process
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2692
//	*********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2693
//	The same code is used for both IPv6 and IPv4 protocol instances and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2694
//	this accepts both type of packets, regardless of the source (it accepts
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2695
//	IPv6 packets from IPv4 interface and vice versa).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2696
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2697
//	However, the hook lists are valid only for 'ip6' instance. After this,
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2698
//	all continued process occurs under the 'ip6' instance!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2699
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2700
void CProtocolIP::Process(RMBufChain &aPacket, CProtocolBase* aInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2701
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2702
	LOG(PktLog(_L("--- Packet from NIF[%u]%S: prot=%d src=%S dst=%S len=%d [calling prehooks]"), *RMBufPacketBase::PeekInfoInChain(aPacket), (TUint)aInterface, _L("")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2703
	// This byte count updating does not really belong to IP stack. It should
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2704
	// be done within NIF to be absolutely accurate... -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2705
	CNifIfBase *const nif = (CNifIfBase *)aInterface;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2706
	if (nif && nif->Notify())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2707
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2708
		const RMBufRecvInfo *const info = RMBufRecvPacket::PeekInfoInChain(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2709
		if (info)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2710
			(void)nif->Notify()->PacketActivity(EIncoming, (TUint)info->iLength, FALSE);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2711
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2712
	// Always shunt the remaining processing to the real ip6 instance.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2713
	((CProtocolIP*)iNetwork)->iPostInbound.iHead->iHook->Process(aPacket, aInterface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2714
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2715
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2716
//	CProtocolIP::PostProcess
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2717
//	************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2718
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2719
void CProtocolIP::PostProcess(RMBufChain &aPacket, CProtocolBase *aInterface)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2720
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2721
	ASSERT(this == iNetwork);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2722
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2723
	RMBufRecvInfo *const info = RMBufRecvPacket::PeekInfoInChain(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2724
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2725
	const MInterface *const mi = iInterfacer->Interface((CNifIfBase *)aInterface);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2726
	if (mi)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2727
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2728
		LOG(PktLog(_L("--- Packet after prehooks IF %u [%S] prot=%d src=%S dst=%S len=%d [Queued]"), *info, mi->Index(), mi->Name()));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2729
		info->iInterfaceIndex = info->iOriginalIndex = mi->Index();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2730
		// Insert the packet into a queue and request a callback. This is to
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2731
		// avoid extremely deep calling stacks. Up to this point, the processing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2732
		// has been under the "RunL" of some NIF or driver. This queueing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2733
		// "break" ensures that the actual IP processing of the packet starts
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2734
		// with a "fresh and direct" call from active scheduler.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2735
		iRecvQ.Append(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2736
		iRecvQ.Wake();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2737
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2738
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2739
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2740
		LOG(PktLog(_L("--- Packet after prehooks Unknown NIF[%u]%S prot=%d src=%S dst=%S len=%d [Dropped]"), *info, (TUint)aInterface, _L("")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2741
		aPacket.Free(); // Unknown interface, drop silently!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2742
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2743
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2744
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2745
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2746
// Recv callback handler. Called to kick off handling of
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2747
// any datagrams on our recv queue.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2748
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2749
TInt CProtocolIP::RecvCallBack(TAny* aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2750
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2751
	((CProtocolIP*)aProtocol)->DoProcess();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2752
	return 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2753
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2754
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2755
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2756
//	CProtocolIP::Send
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2757
//	*****************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2758
//	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2759
TInt CProtocolIP::Send(RMBufChain& aPacket,CProtocolBase * /* aSrc */)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2760
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2761
	RMBufSendPacket packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2762
	packet.Assign(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2763
	DoSendOnePacket(packet);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2764
	return 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2765
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2766
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2767
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2768
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2769
//	************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2770
//	Internal ICMP processing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2771
//	************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2772
//	The ICMP is an essential part of the IP stack and part of the ICMP processing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2773
//	is mandatory. For this reason, the ICMP handling is implemented as a part of
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2774
//	the IP level implementation here.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2775
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2776
//	Another reason is that if all of the ICMP is implemented as a separate
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2777
//	protocol module, it appears to create some complexities, because IP needs
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2778
//	ICMP and ICMP needs IP, thus the natural BIND directives would form a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2779
//	loop. However, making a loop that way would prevent SocketServer from
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2780
//	terminating. The current solution is as follows:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2781
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2782
//	-	Normal ICMP protocol is provided for applications, such as PING.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2783
//		This is bound to the IP level normally. However, this protocol is
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2784
//		just a "gateway" for ICMP packets for applications.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2785
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2786
//	-	Most of the mandatory ICMP functionality is implemented here as
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2787
//		a part of the IP protocol instance.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2788
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2789
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2790
//	CProtocolIP::IcmpEcho
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2791
//	*********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2792
//	Generate ICMP echo reply to either IPv4 or IPv6 depending on aProtocol
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2793
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2794
void CProtocolIP::IcmpEcho(RMBufPacketBase &aPacket, RMBufRecvInfo *aInfo)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2795
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2796
	RMBufSendPacket packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2797
	RMBufSendInfo *info;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2798
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2799
	LOG(Log::Printf(_L("\tIcmpEcho(%d bytes)"), aInfo->iLength));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2800
	packet.SetInfo((RMBufSendInfo *)aInfo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2801
	aPacket.SetInfo(NULL);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2802
	packet.Assign(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2803
	info = packet.Info();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2804
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2805
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2806
	// Discard IP headers upto ICMP header
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2807
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2808
	packet.TrimStart(aInfo->iOffset);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2809
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2810
	// The packet already has ICMP Echo Request header, so just map it
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2811
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2812
	TInet6Checksum<TInet6HeaderICMP_Echo> echo(packet);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2813
	if (echo.iHdr && !iIcmpThrottle.Suppress())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2814
//	if (echo.iHdr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2815
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2816
		// Swap src and dest addresses
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2817
		info->iSrcAddr.Swap(aInfo->iDstAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2818
		// If the request destination was not my own assigned address, then do
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2819
		// not use it as a source address of the reply. Select the default
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2820
		// address instead!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2821
		if (!iInterfacer->LocalScope(TInetAddr::Cast(info->iSrcAddr).Ip6Address(), aInfo->iInterfaceIndex, EScopeType_IF))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2822
			TInetAddr::Cast(info->iSrcAddr).SetAddress(KInet6AddrNone);		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2823
		if (info->iProtocol == STATIC_CAST(TInt, KProtocolInetIcmp))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2824
			echo.iHdr->SetType((TUint8)0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2825
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2826
			echo.iHdr->SetType(KInet6ICMP_EchoReply);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2827
		if (info->iFlow.Open(iNetwork, info->iProtocol) == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2828
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2829
			info->iFlow.SetRemoteAddr(info->iDstAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2830
			info->iFlow.SetLocalAddr(info->iSrcAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2831
			info->iFlow.SetIcmpType(echo.iHdr->Type());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2832
			info->iFlow.FlowContext()->SetOption(KSolInetIp, KSoKeepInterfaceUp, KInetOptionDisable);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2833
			info->iFlow.Connect();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2834
#ifdef SYMBIAN_TCPIPDHCP_UPDATE
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2835
			// Need to Handle NUT replaces the oldest ND entry with the new arrival packet, when queue overflows. 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2836
			if ( (info->iFlow.Status() == KErrNone ) || 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2837
				 ( (info->iFlow.Status() == EFlow_HOLD) && (info->iFlow.IsNdResolutionPending()) )//[RFC-4861] 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2838
				)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2839
#else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2840
			    if (info->iFlow.Status() == KErrNone)		    
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2841
#endif // SYMBIAN_TCPIPDHCP_UPDATE	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2842
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2843
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2844
				// Successfully connected
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2845
				// Connection might have changed or redefined the src address. Must update
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2846
				// the info block with it.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2847
				info->iSrcAddr = info->iFlow.FlowContext()->LocalAddr();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2848
				info->iFlags = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2849
				// IPv4 ICMP checksum does not use "pseudoheader" => pass NULL for info when IPv4!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2850
				echo.ComputeChecksum(packet, info->iProtocol == STATIC_CAST(TInt, KProtocolInetIcmp) ? NULL : info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2851
				packet.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2852
				Send(packet);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2853
				return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2854
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2855
			info->iFlow.Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2856
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2857
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2858
	packet.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2859
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2860
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2861
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2862
//	CProtocolIP::IcmpHandlerL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2863
//	*************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2864
//	A shared ICMP handler for IPv4 and IPv6. Even if the code clearly splits
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2865
//	into two totally different parts, it allows easy handling of ICMP6 within
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2866
//	IPv4 or ICMP4 within IPv6 (whether such bogosities are legal or not).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2867
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2868
//	The caller must trap the leave and release the packet!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2869
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2870
TInt CProtocolIP::IcmpHandlerL(RMBufHookPacket &aPacket, RMBufRecvInfo &aInfo, CProtocolBase *aFinalTarget)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2871
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2872
	CHookEntry *h;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2873
	CProtocolBase *target = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2874
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2875
	TInet6Checksum<TInet6HeaderICMP> icmp(aPacket, aInfo.iOffset);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2876
	if (icmp.iHdr == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2877
		goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2878
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2879
	// This assert should really be somehow in the inet.h, but for the time
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2880
	// being it is here... (e.g. Info blocks *MUST* fit into single RMBuf block!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2881
	// -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2882
	ASSERT(sizeof(RMBufRecvInfo) <= STATIC_CAST(TUint, KMBufSmallSize));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2883
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2884
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2885
	if (!icmp.VerifyChecksum(aPacket, aInfo.iProtocol == STATIC_CAST(TInt, KProtocolInet6Icmp) ? &aInfo : NULL, aInfo.iOffset))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2886
		goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2887
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2888
	// Fill in the ICMP portion of the RMBufIcmpInfo
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2889
	// (Note, that iIcmp is still ZERO, just preloading the information for easy access)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2890
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2891
	aInfo.iType = icmp.iHdr->Type();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2892
	aInfo.iCode = icmp.iHdr->Code();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2893
	aInfo.iParameter = icmp.iHdr->Parameter();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2894
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2895
	switch (ClassifyIcmp(aInfo.iProtocol, aInfo.iType))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2896
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2897
		case EIcmpType_ECHO:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2898
			IcmpEcho(aPacket, &aInfo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2899
			return -1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2900
		case EIcmpType_ERROR:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2901
			break;					// Fall to Error processing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2902
		case EIcmpType_OTHER:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2903
			return iInterfacer->IcmpHandler(aPacket, aInfo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2904
		default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2905
			goto drop_packet;		// ...weird...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2906
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2907
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2908
#if 1
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2909
	// The error processing is going to "eat" the ICMP error packet. If we have
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2910
	// some application reading ICMP socket, it would not see these packets. To
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2911
	// enable this feature, a separate copy must be explicitly made and passed.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2912
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2913
	if (aFinalTarget && aFinalTarget != iNullHook->iProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2914
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2915
		RMBufPacketBase copy;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2916
		TRAPD(err, aPacket.CopyL(copy); aPacket.CopyInfoL(copy););
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2917
		if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2918
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2919
			copy.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2920
			aFinalTarget->Process(copy, this);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2921
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2922
		copy.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2923
		}	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2924
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2925
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2926
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2927
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2928
	//	ICMP Error dispatching loop
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2929
	//	---------------------------
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2930
	//	(first access the problem packet and setup the info block accordingly)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2931
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2932
	aInfo.iIcmp = (TUint8)aInfo.iProtocol;		// Start ICMP error buffer processing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2933
	aInfo.iOffset += sizeof(TInet6HeaderICMP);	// ..points first octet after ICMP header (v4 or v6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2934
	aInfo.iOffsetIp = (TUint16)aInfo.iOffset;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2935
	if (aInfo.iOffset > aInfo.iLength)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2936
		goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2937
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2938
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2939
		// Get interface (needed for scopes)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2940
		const MInterface *const mi = iInterfacer->Interface(aInfo.iInterfaceIndex);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2941
		if (mi == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2942
			goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2943
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2944
		TInet6Packet<TIpHeader> ip(aPacket, aInfo.iOffsetIp);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2945
		if (ip.iHdr == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2946
			goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2947
		aInfo.iVersion = (TUint8)ip.iHdr->ip4.Version();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2948
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2949
		TInetAddr &src = TInetAddr::Cast(aInfo.iSrcAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2950
		TInetAddr &dst = TInetAddr::Cast(aInfo.iDstAddr);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2951
		switch (aInfo.iVersion)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2952
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2953
			case 6:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2954
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2955
				// Set Info addresses from the IPv6 header of the problem packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2956
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2957
				if (ip.iLength < (TInt)sizeof(TInet6HeaderIP))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2958
					goto drop_packet;		// Not useful, trunctated IP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2959
				src.SetAddress(ip.iHdr->ip6.SrcAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2960
				src.SetFlowLabel(ip.iHdr->ip6.FlowLabel());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2961
				dst.SetAddress(ip.iHdr->ip6.DstAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2962
				aInfo.iPrevNextHdr = (TUint16)(aInfo.iOffset + TInet6HeaderIP::O_NextHeader);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2963
				aInfo.iOffset += sizeof(TInet6HeaderIP);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2964
				aInfo.iProtocol = ip.iHdr->ip6.NextHeader();	// Always in range [0 .. 255] (TUint8)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2965
				break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2966
			case 4:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2967
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2968
				// Need to do sanity check on IPv4 header length!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2969
				const TInt hlen = ip.iHdr->ip4.HeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2970
				if (ip.iLength < hlen || hlen < TInet6HeaderIP4::MinHeaderLength())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2971
					goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2972
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2973
				// Set Info addresses from the IPv4 header of the problem packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2974
				//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2975
				src.SetV4MappedAddress(ip.iHdr->ip4.SrcAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2976
				dst.SetV4MappedAddress(ip.iHdr->ip4.DstAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2977
				aInfo.iPrevNextHdr = (TUint16)(aInfo.iOffset + TInet6HeaderIP4::O_Protocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2978
				aInfo.iOffset += hlen;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2979
				aInfo.iProtocol = ip.iHdr->ip4.Protocol();		// Always in range [0 .. 255] (TUint8)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2980
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2981
				break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2982
			default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2983
				goto drop_packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2984
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2985
		// Complete scope id values
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2986
		src.SetScope(mi->Scope((TScopeType)(src.Ip6Address().Scope()-1)));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2987
		dst.SetScope(mi->Scope((TScopeType)(dst.Ip6Address().Scope()-1)));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2988
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2989
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2990
	// Let the interface manager have a peek at the packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2991
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2992
	if (iInterfacer->IcmpError(aPacket, aInfo) < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2993
		return -1;		// Packet was owned/dropped in iInterfacer method!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2994
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2995
again:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2996
	for (h = iSwitch[aInfo.iProtocol].iHead;;)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2997
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2998
		if (h->IsProtocol())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2999
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3000
			if (target)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3001
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3002
				if (target == this)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3003
						{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3004
						// A temporary solution for "self-detunnel", which
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3005
						// is not prepared to get "iOffset" in the info
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3006
						// structure (cannot trust it, because normal Process
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3007
						// calls come from the drivers). Need propably do a
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3008
						// separate detunneling pseudoprotocol, even though
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3009
						// linking self is a "cute trick".. -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3010
						break;		// CANNOT HANDLE THIS IN ANY WAY, JUST DROP!!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3011
						}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3012
				if (aInfo.iLength > aInfo.iOffset)	// Trust iLength properly maintained!!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3013
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3014
					aPacket.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3015
					target->Process(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3016
					return -1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3017
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3018
				else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3019
					break;				// All of the packet processed, just drop.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3020
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3021
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3022
			// Target protocol found (Phase 1 done)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3023
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3024
			target = h->iProtocol;	// Always != NULL!!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3025
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3026
			// Now, process all generic hook(s), if any registered
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3027
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3028
			h = iSwitch[KIp6Hook_ANY].iHead;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3029
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3030
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3031
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3032
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3033
			// *NOTE*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3034
			//		The error ApplyL method is not supposed to touch the info (iLength),
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3035
			//		It only must update the head iOffset field!!! -- msa
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3036
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3037
			const TInt ret = h->iHook->ApplyL(aPacket, aInfo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3038
			if (ret < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3039
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3040
				ASSERT(aPacket.IsEmpty());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3041
				return -1;	// The hook consumed the packet.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3042
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3043
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3044
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3045
				LOG(VerifyPacket(aPacket, aInfo));// Hook Sanity checks!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3046
				if (ret == KIp6Hook_DONE)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3047
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3048
					if (aInfo.iProtocol != 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3049
						goto again;			// The hook changed Next header (restart)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3050
					else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3051
						goto drop_packet;	// Hop-by-hop is only valid after IP header!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3052
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3053
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3054
			h = h->iNext;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3055
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3056
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3057
	// Plain exit from the above loop is "drop packet" (consume)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3058
drop_packet:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3059
	LOG(Log::Printf(_L("\t%S IcmpHandler: packet dropped"), &ProtocolName()));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3060
	aPacket.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3061
	return -1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3062
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3063
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3064
void CProtocolIP::IcmpSend(TInt aProtocol, RMBufRecvPacket &aPacket, TInt aType, TInt aCode, TUint32 aParameter, TInt aMC)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3065
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3066
	RMBufRecvInfo *info = aPacket.Info();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3067
	RMBufSendPacket packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3068
	RMBufSendInfo *snd = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3069
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3070
	for (;;)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3071
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3072
		if (info == NULL || info->iIcmp || (info->iFlags & KIpNeverIcmpError) != 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3073
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3074
		if (iIcmpThrottle.Suppress())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3075
			break;		// Drop! Too many sent
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3076
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3077
		const TIpHeader *const ip = ((RMBufPacketPeek &)aPacket).GetIpHeader();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3078
		if (!ip)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3079
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3080
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3081
		TInetAddr src, dst;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3082
		switch (ip->ip4.Version())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3083
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3084
		case 4:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3085
			src.SetV4MappedAddress(ip->ip4.DstAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3086
			dst.SetV4MappedAddress(ip->ip4.SrcAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3087
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3088
		case 6:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3089
			src.SetAddress(ip->ip6.DstAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3090
			dst.SetAddress(ip->ip6.SrcAddr());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3091
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3092
		default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3093
			goto cleanup;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3094
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3095
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3096
		dst.SetScope(iInterfacer->RemoteScope(dst.Ip6Address(), info->iInterfaceIndex, EScopeType_IF));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3097
		// Verify and adjust addresses
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3098
		// If the packet was addressed directly to me, use the same address
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3099
		// as a source in the complaint.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3100
		const TUint32 src_id = iInterfacer->LocalScope(src.Ip6Address(), info->iInterfaceIndex, EScopeType_IF);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3101
		if (src_id)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3102
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3103
			// The packet was addressed directly to me, use the same address
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3104
			// as a source in the complaint.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3105
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3106
			// However, the src address scope >= dst address scope
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3107
			//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3108
			if (dst.Ip6Address().Scope() < src.Ip6Address().Scope())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3109
				break;	// Do not send ICMP Error
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3110
			if ((info->iFlags & KIpBroadcastOnLink) != 0 && !aMC)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3111
				break;	// Was broadcast on link, and replies to multicast not allowed.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3112
			src.SetScope(src_id);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3113
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3114
		else if (aMC || (src.IsUnicast() &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3115
						 (info->iFlags & KIpBroadcastOnLink) == 0 &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3116
						 !iInterfacer->IsForMeAddress(src.Ip6Address(), info->iInterfaceIndex)))
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3117
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3118
			// This must be some type of forwarding or multicast destination
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3119
			// instead, let the flow open decide on it. Note, the caller of
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3120
			// this method is responsible for allowing (aMC != 0) generating
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3121
			// ICMP's for multicast destinations! (In some cases sending
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3122
			// replies to multicast is required by RFC's, can't prevent it
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3123
			// at this level! -- msa)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3124
			src.SetAddress(KInet6AddrNone);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3125
			src.SetScope(info->iInterfaceIndex);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3126
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3127
		else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3128
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3129
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3130
		TRAPD(err, snd = packet.CreateL(8));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3131
		if (err != KErrNone || snd == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3132
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3133
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3134
		// Create unconnected flow context to the packet (info)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3135
		if (snd->iFlow.Open(this, aProtocol) != KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3136
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3137
		// Setup the connection information and connect
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3138
		snd->iFlow.SetRemoteAddr(dst);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3139
		snd->iFlow.SetLocalAddr(src);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3140
		snd->iFlow.SetIcmpType(aType, aCode);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3141
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3142
		// Supply the original packet as a flow parameter
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3143
		// (transfer the aPacket as is into the flow context)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3144
		CFlowContext *const flow = snd->iFlow.FlowContext();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3145
		aPacket.SetInfo(NULL);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3146
		flow->iHead.iIcmp.Assign(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3147
		flow->iHead.iIcmp.SetInfo(info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3148
		// Disable "keep interface up" for ICMP error replies
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3149
		flow->SetOption(KSolInetIp, KSoKeepInterfaceUp, KInetOptionDisable);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3150
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3151
		snd->iFlow.Connect();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3152
		if (snd->iFlow.Status() != KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3153
			break;		// Cannot get a flow opened..
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3154
		if (flow->iHead.iIcmp.IsEmpty() ||
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3155
			(info = (RMBufRecvInfo *)flow->iHead.iIcmp.Info()) == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3156
			break;		// Oops, apparently some hook ate the packet/info
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3157
		ASSERT(info->iLength == flow->iHead.iIcmp.Length());
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3158
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3159
		const TIpHeader *const ip2 = ((RMBufPacketPeek &)flow->iHead.iIcmp).GetIpHeader();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3160
		if (!ip2)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3161
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3162
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3163
		// Trim the returned packet for the ICMP error payload
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3164
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3165
		switch (ip2->ip4.Version())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3166
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3167
		case 4:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3168
			// For IPv4, ICMP error payload includes the original IP header
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3169
			// and at most 8 bytes following it.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3170
			if (info->iLength > ip2->ip4.HeaderLength() + 8)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3171
				flow->iHead.iIcmp.TrimEnd(ip2->ip4.HeaderLength() + 8);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3172
				// TrimEnd updates info->iLength!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3173
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3174
		case 6:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3175
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3176
				// For IPv6, ICMP error payload inludes as much of the original
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3177
				// packet as can be fit into minimum MTU for IPv6
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3178
				const TInt available = KInet6MinMtu - flow->HeaderSize() - snd->iLength;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3179
				if (available < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3180
					goto cleanup; // flow headers take too much space! (bad hooks?)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3181
				else if (available < info->iLength)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3182
					flow->iHead.iIcmp.TrimEnd(available);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3183
					// TrimEnd updates info->iLength!!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3184
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3185
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3186
		default:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3187
			goto cleanup;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3188
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3189
		// Append original packet to the error report
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3190
		packet.Append(flow->iHead.iIcmp);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3191
		snd->iLength += info->iLength;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3192
		flow->iHead.iIcmp.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3193
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3194
		snd->iSrcAddr = flow->LocalAddr();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3195
		snd->iDstAddr = flow->RemoteAddr();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3196
		snd->iProtocol = aProtocol;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3197
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3198
		TInet6Checksum<TInet6HeaderICMP> icmp(packet);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3199
		if (icmp.iHdr == NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3200
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3201
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3202
		icmp.iHdr->SetType((TUint8)aType);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3203
		icmp.iHdr->SetCode((TUint8)aCode);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3204
		icmp.iHdr->SetParameter(aParameter);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3205
		icmp.ComputeChecksum(packet, aProtocol == STATIC_CAST(TUint, KProtocolInetIcmp) ? NULL : snd);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3206
		packet.Pack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3207
		Send(packet);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3208
		return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3209
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3210
cleanup:
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3211
	// Release resources that didn't get passed on
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3212
	aPacket.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3213
	if (snd != NULL)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3214
		snd->iFlow.Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3215
	packet.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3216
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3217
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3218
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3219
//	CProtocolIP::Icmp4Send
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3220
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3221
//	Build IPv4 ICMP message from the received packet.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3222
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3223
//	The packet is assumed to be in *UNPACKED STATE* (Info block separated!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3224
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3225
void CProtocolIP::Icmp4Send(RMBufRecvPacket &aPacket, TInt aType, TInt aCode, TUint32 aParameter, TInt aMC)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3226
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3227
	IcmpSend(KProtocolInetIcmp, aPacket, aType, aCode, aParameter, aMC);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3228
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3229
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3230
//	CProtocolIP::Icmp6Send
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3231
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3232
//	Build IPv6 ICMP message from the received packet.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3233
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3234
//	The packet is assumed to be in *UNPACKED STATE* (Info block separated!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3235
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3236
void CProtocolIP::Icmp6Send(RMBufRecvPacket &aPacket, TInt aType, TInt aCode, TUint32 aParameter, TInt aMC)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3237
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3238
	IcmpSend(KProtocolInet6Icmp, aPacket, aType, aCode, aParameter, aMC);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3239
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3240
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3241
// CProtocolIP::IcmpWrap
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3242
// *********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3243
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3244
// Wrap a packet into ICMP error reply and send it out.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3245
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3246
// The aPacket is assumed to hold a complete IP packet (starting from the beginning)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3247
// in a packed state. The info block is initialized by this method (the current
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3248
// content is ignored).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3249
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3250
// Determine the IP version from the IP header in the packet and choose the ICMP
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3251
// type and code accordingly from aIcmp, and then call the actual ICMP sending
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3252
// code (either Icmp4Send or Icmp6Send).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3253
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3254
// On any error or problems, the packet is simply released, and no ICMP message
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3255
// will occur.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3256
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3257
// @param aPacket
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3258
//	The RMBuf chain containing the IP packet in packet state
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3259
// @param aIcmp
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3260
//	The 32 bit value containing type and code for both IPv4 and IPv6. The type and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3261
//	code to be used are chosen based on the actual IP version of the packet.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3262
// @param aParameter
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3263
//	The 32 bit value to be placed as the "parameter" field of the ICMP header.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3264
// @param aMC
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3265
//	A flag, when non-Zero, forces sending of ICMP, even if the packet destination
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3266
//	was a multicast address (see MNetworkService::Icmp4Send and
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3267
//	MNetworkService::Icmp6Send).
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3268
*/
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3269
void CProtocolIP::IcmpWrap(RMBufChain &aPacket, const TIcmpTypeCode aIcmp, const TUint32 aParameter, const TInt aMC)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3270
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3271
	if (aPacket.IsEmpty())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3272
		return;	// nothing to do with empty packet!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3273
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3274
	// Use "info" as receive info, because this is what the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3275
	// actual ICMP sending code (Icmp4Send/Icmp6Send) expects.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3276
	RMBufRecvPacket packet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3277
	packet.Assign(aPacket);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3278
	packet.Unpack();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3279
	RMBufRecvInfo *const info = packet.Info();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3280
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3281
	if (info)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3282
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3283
		// Setup "fake" RMBufRecvInfo (just enough to pass
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3284
		// Icmp4Send/Icmp6Send inspections...)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3285
		info->iIcmp = 0;	// Prevent it being from dropped
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3286
		info->iOffset = 0;	// not used?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3287
		info->iFlags = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3288
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3289
		// *note*
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3290
		// Icmp4Send/Icmp6Send are designed to return incoming packet
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3291
		// and they use iInterfaceIndex to return the error message
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3292
		// to the original interface. However, this method is mostly
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3293
		// used for outgoing packets from this host (source address
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3294
		// is usually my own address), there is no "originating
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3295
		// interface". Use ZERO, and assume ICMP sending methods
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3296
		// handle this correctly.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3297
		// 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3298
		// When forwarding is enabled, the packet could actually have
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3299
		// come from an other interface. Unfortunately, in current
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3300
		// version, the informatio about originating interface has
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3301
		// beeen lost at this point. It would be more correct to
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3302
		// force the ICMP error back to original interface instead
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3303
		// of relying on source address and routing to choose it.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3304
		// [needs to be examined later -- msa]
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3305
		info->iInterfaceIndex = 0;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3306
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3307
		const TIpHeader *const ip = ((RMBufPacketPeek &)packet).GetIpHeader();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3308
		if (ip)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3309
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3310
			if (ip->ip4.Version() == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3311
				Icmp4Send(packet, aIcmp.i4type, aIcmp.i4code, aParameter, aMC);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3312
			else if (ip->ip6.Version() == 6)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3313
				Icmp6Send(packet, aIcmp.i6type, aIcmp.i6code, aParameter, aMC);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3314
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3315
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3316
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3317
	// Release packet (if not passed on)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3318
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3319
	packet.Free();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3320
	return;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3321
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3322
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3323
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3324
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3325
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3326
//	Flow Network Interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3327
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3328
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3329
//	CProtocolIP::NewFlowL
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3330
//	**********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3331
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3332
CFlowContext *CProtocolIP::NewFlowL(const void *aOwner, TUint aProtocol)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3333
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3334
 	if (iNetwork != this && iNetwork)	// There are two instances, etc...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3335
		return iNetwork->NewFlowL(aOwner, aProtocol);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3336
	return iInterfacer->NewFlowL(aOwner, this, aProtocol);	// <-- either leaves or succeeds!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3337
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3338
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3339
CFlowContext *CProtocolIP::NewFlowL(const void *aOwner, CFlowContext &aFlow)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3340
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3341
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3342
	// Assume the 'aFlow' provides all the necessary non-zero defaults
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3343
	// and no other inits are required.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3344
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3345
 	if (iNetwork != this && iNetwork)	// There are two instances, etc...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3346
		return iNetwork->NewFlowL(aOwner, aFlow);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3347
	return iInterfacer->NewFlowL(aOwner, this, aFlow);	// <-- either leaves or succeeds!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3348
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3349
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3350
//	CProtocolIP::SetChanged
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3351
//	***********************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3352
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3353
TInt CProtocolIP::SetChanged() const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3354
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3355
	return iInterfacer->SetChanged();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3356
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3357
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3358
//	CProtocolIP::FlowSetupHooks
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3359
//	**************************
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3360
//	(common for both IPv6 and IPv4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3361
//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3362
TInt CProtocolIP::FlowSetupHooks(CFlowInternalContext &aFlow)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3363
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3364
 	if (iNetwork != this && iNetwork)	// There are two instances, etc...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3365
		return iNetwork->FlowSetupHooks(aFlow);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3366
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3367
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3368
	// Attach registered hooks
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3369
	//	For each registered outbound hook, ask if it wants to attach to
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3370
	//	the current flow or not. If it wants, add a flow hook entry.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3371
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3372
	for (CHookEntry *h = iOutbound.iHead; h != NULL; h = h->iNext)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3373
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3374
		MFlowHook *hook = NULL;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3375
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3376
		const TIp6Addr src = aFlow.Head().ip6.SrcAddr();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3377
		const TUint32 src_id = aFlow.Head().iSrcId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3378
		const TIp6Addr dst = aFlow.Head().ip6.DstAddr();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3379
		const TUint32 dst_id = aFlow.Head().iDstId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3380
		const TUint set = aFlow.Head().iSourceSet;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3381
		TInt frag = aFlow.Head().iFragment ? -1 : aFlow.HeaderSize();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3382
#ifdef _LOG
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3383
		TServerProtocolDesc info;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3384
		h->iHook->Identify(&info);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3385
#endif
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3386
		TRAPD(ret, hook = h->iHook->OpenL(aFlow.Head(), &aFlow););
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3387
		if (ret == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3388
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3389
			if (frag < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3390
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3391
				// Fragging has already been requested before, just make
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3392
				// sure the iFragment stays set (hook cannot clear it!)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3393
				ASSERT(aFlow.Head().iFragment == 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3394
				aFlow.Head().iFragment = 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3395
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3396
			else if (aFlow.Head().iFragment == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3397
				// This hook is not requesting fragmentation.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3398
				frag = -1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3399
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3400
			// frag is non-negative only if this hook requested the
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3401
			// fragmentaion, and is the first one to do so.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3402
			if (hook)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3403
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3404
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3405
				LOG(Log::Printf(_L("\t\tFlow[%u] %S attaching MFlowHook[%u] frag=%d"), &aFlow, &info.iName, hook, frag));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3406
				TRAP(ret, aFlow.AddHookL(hook, frag));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3407
				hook->Close();		// Cancel my OpenL reference
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3408
				if (ret == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3409
					{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3410
					if (src.IsEqual(aFlow.Head().ip6.SrcAddr()) &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3411
						src_id == aFlow.Head().iSrcId &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3412
						dst.IsEqual(aFlow.Head().ip6.DstAddr()) &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3413
						dst_id == aFlow.Head().iDstId &&
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3414
						set == aFlow.Head().iSourceSet)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3415
						continue;	// Unchanged routing info
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3416
					if ((ret = aFlow.RouteFlow(aFlow.Head())) == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3417
						continue;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3418
					}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3419
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3420
			else if (frag < 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3421
				continue;		// Not interested!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3422
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3423
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3424
				// Hook requested fragmentation, but didn't attach to the flow. This
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3425
				// is not allowed!
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3426
				ret = KErrGeneral;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3427
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3428
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3429
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3430
		// Error condition, Abort Open/Connect sequence
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3431
		//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3432
		aFlow.RemoveHooks();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3433
		LOG(Log::Printf(_L("\t\tFLow[%u] OpenL aborted by %S with reason=%d"), &aFlow, &info.iName, ret));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3434
		return ret;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3435
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3436
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3437
	return KErrNone;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3438
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3439
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3440
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3441
void CProtocolIP::FlowStartRefresh(CFlowInternalContext &aFlow)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3442
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3443
	if (aFlow.iHead.ip6.Version() == 4)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3444
		aFlow.iHdrSize += TInet6HeaderIP4::MinHeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3445
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3446
		aFlow.iHdrSize += TInet6HeaderIP::MinHeaderLength();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3447
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3448
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3449
TInt CProtocolIP::GetFlowOption(TUint aLevel, TUint aName, TDes8 &aOption, const CFlowContext &aFlow) const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3450
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3451
 	if ((const MNetworkService*)iNetwork != this && iNetwork)	// There are two instances, etc...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3452
		return iNetwork->GetFlowOption(aLevel, aName, aOption, aFlow);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3453
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3454
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3455
	// Go through the output hooks and try to Get the options
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3456
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3457
	TInt ret = KErrNotSupported;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3458
	for (CHookEntry *h = iOutbound.iHead; h != NULL; h = h->iNext) {
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3459
		if ((ret = h->iHook->GetFlowOption(aLevel, aName, aOption, aFlow)) != KErrNotSupported)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3460
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3461
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3462
	return ret;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3463
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3464
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3465
TInt CProtocolIP::SetFlowOption(TUint aLevel, TUint aName, const TDesC8 &aOption, CFlowContext &aFlow)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3466
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3467
 	if (iNetwork != this && iNetwork)	// There are two instances, etc...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3468
		return iNetwork->SetFlowOption(aLevel, aName, aOption, aFlow);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3469
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3470
	// Go through the output hooks and try to Set the options
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3471
	//
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3472
	TInt ret = KErrNotSupported;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3473
	for (CHookEntry *h = iOutbound.iHead; h != NULL; h = h->iNext) {	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3474
		if ((ret = h->iHook->SetFlowOption(aLevel, aName, aOption, aFlow)) != KErrNotSupported)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3475
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3476
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3477
	return ret;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3478
	}