networkprotocols/tcpipv4v6prt/src/ip6_sap.cpp
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     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // ip6_sap.cpp - IPv6 service access point
       
    15 //
       
    16 
       
    17 #include "ip6.h"
       
    18 #include <ip6_hdr.h>
       
    19 #include "in_net.h"
       
    20 
       
    21 class CProviderIP6 : public CProviderInet6Network
       
    22 	{
       
    23 public:
       
    24 	CProviderIP6(CProtocolInet6Base* aProtocol);
       
    25 	virtual TInt DoWrite(RMBufSendPacket &aPacket, RMBufSendInfo &aInfo, TUint aOptions, TUint aOffset);
       
    26 	virtual TInt SecurityCheck(MProvdSecurityChecker *aChecker);
       
    27 	};
       
    28 
       
    29 //
       
    30 // IP6::NewSAPL
       
    31 // ************
       
    32 CServProviderBase *IP6::NewSAPL(TUint aSockType, CProtocolInet6Base *aProtocol, TInt /*aId*/)
       
    33 	{
       
    34 	LOG(Log::Printf(_L("NewSAPL\t%S SockType=%d"), &aProtocol->ProtocolName(), aSockType));
       
    35 	if (aSockType != KSockDatagram)
       
    36 		User::Leave(KErrNotSupported);
       
    37 	CProviderIP6 *provider = new (ELeave) CProviderIP6(aProtocol);
       
    38 	CleanupStack::PushL(provider);
       
    39 	provider->InitL();
       
    40 	CleanupStack::Pop();
       
    41 	LOG(Log::Printf(_L("NewSAPL\t%S SAP[%u] OK"), &aProtocol->ProtocolName(), (TInt)provider));
       
    42 	return provider;
       
    43 	}
       
    44 
       
    45 //
       
    46 
       
    47 CProviderIP6::CProviderIP6(CProtocolInet6Base* aProtocol) : CProviderInet6Network(aProtocol)
       
    48 	{
       
    49 	__DECLARE_NAME(_S("CProviderIP6"));
       
    50 	}
       
    51 
       
    52 TInt CProviderIP6::DoWrite(RMBufSendPacket &aPacket, RMBufSendInfo &aInfo, TUint /*aOptions*/, TUint /*aOffset*/)
       
    53 	{
       
    54 	iFlow.SetNotify(this);
       
    55 	if (aInfo.iSrcAddr.Family())
       
    56 		iFlow.SetLocalAddr(aInfo.iSrcAddr);
       
    57 	if (aInfo.iDstAddr.Family())
       
    58 		iFlow.SetRemoteAddr(aInfo.iDstAddr);
       
    59 
       
    60 	const TInt status = aPacket.Info()->iFlow.Open(iFlow, aPacket.Info());
       
    61 	if (status == KErrNone)
       
    62 		{
       
    63 		// Should compute the IPv6 checksum for the "upper" layer,
       
    64 		// if requested by the application (advanced api option in
       
    65 		// IPv6. Not for IPv4.)
       
    66 		}
       
    67 	return status;
       
    68 	}
       
    69 
       
    70 TInt CProviderIP6::SecurityCheck(MProvdSecurityChecker *aChecker)
       
    71 	{
       
    72 	const TInt res = CProviderInet6Network::SecurityCheck(aChecker);
       
    73 	if (res == KErrNone)
       
    74 		return CheckPolicy(KPolicyNetworkControl, "TCPIP IP SAP");
       
    75 	return res;
       
    76 	}