networkprotocols/tcpipv4v6prt/src/rawip.cpp
changeset 0 af10295192d8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/tcpipv4v6prt/src/rawip.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,136 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// rawip.cpp - Raw IP socket support
+// This implements the raw IP socket protocol module
+//
+
+#include "inet6log.h"
+#include "rawip.h"
+#include "in_net.h"
+#include <icmp6_hdr.h>
+#include <in_pkt.h>
+
+_LIT(KRawIpName, "rawip");
+
+//
+//	CProtocolRawIp
+//	*************
+//	The implementation and methods of the CProtocolRawIp4/6 is totally internal
+//	to this module. No other module needs to be aware of this.
+//	Thus the class definition is included here.
+//
+class CProtocolRawIp : public CProtocolInet6Network
+	{
+public:
+	CProtocolRawIp();
+	virtual ~CProtocolRawIp();
+	virtual CServProviderBase *NewSAPL(TUint aSockType);
+	virtual TInt Send(RMBufChain &aPacket,CProtocolBase* aSourceProtocol=NULL);
+	virtual void Identify(TServerProtocolDesc *) const;
+	virtual void BindToL(CProtocolBase *aProtocol);
+protected:
+	};
+
+//	*****
+//	RAWIP
+//	*****
+CProtocolBase *RAWIP::NewL()
+	{
+	return new (ELeave) CProtocolRawIp();
+	}
+
+void RAWIP::Identify(TServerProtocolDesc &aEntry)
+	{
+	aEntry.iName = KRawIpName;
+	aEntry.iProtocol = KProtocolInetRawIp;
+	aEntry.iAddrFamily = KAfInet;
+	aEntry.iSockType = KSockRaw;
+	aEntry.iVersion = TVersion(KInet6MajorVersionNumber, KInet6MinorVersionNumber, KInet6BuildVersionNumber);
+	aEntry.iByteOrder = EBigEndian;
+	aEntry.iServiceInfo = KRAWIPServiceInfo;
+	aEntry.iNamingServices = KRAWIPNameServiceInfo;
+	aEntry.iSecurity = KSocketNoSecurity;
+	aEntry.iMessageSize = KRAWIPMaxDatagramSize;
+	aEntry.iServiceTypeInfo = KRAWIPServiceTypeInfo;
+	aEntry.iNumSockets = KRAWIPMaxSockets;
+	}
+
+//
+
+//
+//	CProtocolRawIp* constructors and destructors
+//	*******************************************
+
+CProtocolRawIp::CProtocolRawIp()
+	{
+	}
+
+CProtocolRawIp::~CProtocolRawIp()
+	{
+	}
+
+//
+// CProtocolRawIp::NewSAPL
+//	Create a new instance of a CServProviderBase (SAP) for the
+//	socket manager. The caller is responsible for the bookkeeping
+//	and destruction of this created object!
+//
+CServProviderBase* CProtocolRawIp::NewSAPL(TUint aSockType)
+	{
+	return RAWIP::NewSAPL(aSockType, this);
+	}
+
+void CProtocolRawIp::Identify(TServerProtocolDesc *aInfo) const
+	{
+	RAWIP::Identify(*aInfo);
+	}
+
+
+void CProtocolRawIp::BindToL(CProtocolBase *aProtocol)
+	/**
+	* Bind to another protocol.
+	*
+	* The rawIP must be configured to bind to IP6. However, when instantiated
+	* it will not know what actual protocols it will be requesting from the
+	* IP layer. It will know this only after the actual socket has been opened.
+	*
+	* Thus, this only records the presense of the network.
+	*/
+	{
+	ASSERT(this != aProtocol);
+	TServerProtocolDesc info;
+	aProtocol->Identify(&info);
+	if (iNetwork == NULL && info.iProtocol == KProtocolInet6Ip)
+		{
+		// The network bind detected (aProtocol is IP6 instance!)
+		iNetwork = ((CProtocolInet6Binder *)aProtocol)->NetworkService();
+		// Following Open will be cancelled by the destructor of CProtocolInet6Binder
+		aProtocol->Open();
+		return;
+		}
+	User::Leave(KErrNotSupported);
+	}
+
+//
+// CProtocolRawIp::Send()
+//
+//	Pass the packet as is to the IP layer. This method is
+//	supposed to be used by the Raw IP Service provider modules
+//	to forward their packets down the stack.
+TInt CProtocolRawIp::Send(RMBufChain &aPacket,CProtocolBase* /*aSourceProtocol*/)
+	{
+	return iNetwork->Send(aPacket);
+	}
+
+