--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/ConnectionMgr/src/TTCPCompMsgEnd.cpp Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,111 @@
+// Copyright (c) 2004-2009 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:
+// Name : TTCPCompMsgEnd.cpp
+// Part of : ConnectionMgr
+// Implementation
+// Version : SIP/4.0
+//
+
+
+
+#include "TTCPCompMsgEnd.h"
+#include "MMsgAssemblerContext.h"
+#include "MSigCompController.h"
+#include "sipmessage.h"
+#include "SipAssert.h"
+
+// ----------------------------------------------------------------------------
+// TTCPCompMsgEnd::DataReceivedL
+// ----------------------------------------------------------------------------
+//
+void TTCPCompMsgEnd::DataReceivedL( TPtr8 aData, TUint& aNextLength )
+ {
+ // panic if sigcomp is not supported in debug mode.leaves in release mode.
+ __SIP_ASSERT_LEAVE( iMsgAssembler.SigComp().IsSupported(), KErrGeneral );
+ // panic if received data is not compressed in debug mode.
+ // leaves in release mode.
+ __SIP_ASSERT_LEAVE( iMsgAssembler.SigComp().IsSigCompMsg( aData ),
+ KErrGeneral );
+ // panic if received data is not completed compressed msg in debug mode.
+ // leaves in release mode.
+ __SIP_ASSERT_LEAVE(
+ iMsgAssembler.SigComp().IsCompleteSigCompMessageL( aData ),
+ KErrGeneral );
+
+ TUint bytesConsumed( 0 );
+ CBufBase* decompressedData = iMsgAssembler.SigComp().DecompressL(
+ aData, bytesConsumed, ETrue);
+
+ TUint dataLen( static_cast<TUint>( aData.Length() ) );
+
+ // Whole data was not decompressed and non-decompressed data might
+ // be part of next sigcomp message, remember amount of non-decompressed
+ // data
+ iMsgAssembler.SetUnConsumedBytes( dataLen - bytesConsumed );
+
+ if ( bytesConsumed < dataLen )
+ {
+ CleanupStack::PushL(decompressedData);
+ aData.Delete(0, bytesConsumed);
+
+ HBufC8* newData =
+ HBufC8::NewL( decompressedData->Size() + aData.Length() );
+ // copy the msg buffer data and the received data to new data buffer
+ TPtr8 newDataPtr = newData->Des();
+ newDataPtr.Append(decompressedData->Ptr(0));
+ CleanupStack::PopAndDestroy(decompressedData);
+ newDataPtr.Append(aData);
+ // delete all content of received data
+ aData.Delete( 0, aData.Length() );
+ CleanupStack::PushL(newData);
+ DecideNextStateL( newDataPtr, aNextLength );
+ CleanupStack::PopAndDestroy(newData);
+ }
+ else if ( bytesConsumed == dataLen )
+ {
+ CleanupStack::PushL( decompressedData );
+ aData.Delete(0, bytesConsumed);
+ TPtr8 decompressedDataPtr = decompressedData->Ptr(0);
+ DecideNextStateL( decompressedDataPtr, aNextLength );
+ CleanupStack::PopAndDestroy( decompressedData );
+ }
+ else // bytesConsumed > dataLen error happens, reset the state
+ {
+ delete decompressedData;
+ iMsgAssembler.ChangeState( MMsgAssemblerContext::EMsgInit );
+ }
+ }
+
+// ----------------------------------------------------------------------------
+// TTCPCompMsgEnd::DecideNextStateL
+// ----------------------------------------------------------------------------
+//
+void TTCPCompMsgEnd::DecideNextStateL( TPtr8 aData, TUint& aNextLength )
+ {
+ // if there's already some content, decompressed stuff (aData) is
+ // complementing existing content and header "parsing" states can be
+ // skipped
+ CSIPMessage* message = iMsgAssembler.Message();
+ if ( message && message->Content().Length() > 0 )
+ {
+ iMsgAssembler.ChangeState( MMsgAssemblerContext::EMsgContentStart );
+ }
+ else
+ {
+ iMsgAssembler.ChangeState( MMsgAssemblerContext::EMsgHeaderStart );
+ }
+ iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength );
+ }
+
+// End of File