realtimenetprots/sipfw/SIP/ConnectionMgr/src/TTCPMsgState.cpp
changeset 0 307788aac0a8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/ConnectionMgr/src/TTCPMsgState.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,103 @@
+// 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        : TTCPMsgState.cpp
+// Part of     : ConnectionMgr
+// Version     : SIP/4.0
+//
+
+
+
+#include "TTCPMsgState.h"
+#include "MMsgAssemblerContext.h"
+
+
+// ----------------------------------------------------------------------------
+// TTCPMsgState::TTCPMsgState
+// ----------------------------------------------------------------------------
+//
+TTCPMsgState::TTCPMsgState( MMsgAssemblerContext& aMsgAssembler )
+	: iMsgAssembler( aMsgAssembler )
+	{
+	}
+	
+// ----------------------------------------------------------------------------
+// TTCPMsgState::FindHeaderStartPosition
+// ----------------------------------------------------------------------------
+//
+TInt TTCPMsgState::FindHeaderStartPosition( TDesC8& aData )
+	{
+	TLex8 lex(aData);
+	lex.SkipSpace();
+	return lex.Offset();
+	}
+
+// ----------------------------------------------------------------------------
+// TTCPMsgState::FindHeaderEndPosition
+// ----------------------------------------------------------------------------
+//
+TInt TTCPMsgState::FindHeaderEndPosition( TDesC8& aData )
+	{
+	_LIT8(KCRLFCRLF, "\r\n\r\n");
+	_LIT8(KCRCRLF,   "\r\r\n");
+	_LIT8(KLFCRLF,   "\n\r\n");
+
+	TInt endPosition = KErrNotFound;
+	TInt cRLFCRLFPosition = aData.Find(KCRLFCRLF); 
+	TInt cRCRLFPosition   = aData.Find(KCRCRLF);
+	TInt lFCRLFPosition   = aData.Find(KLFCRLF);
+
+	if (cRLFCRLFPosition >= 0) 
+		{
+		endPosition = cRLFCRLFPosition + KCRLFCRLF().Length();		
+		}
+
+	if (cRCRLFPosition >= 0)
+		{
+		GetHeaderPartEndPosition(cRCRLFPosition,
+								 KCRCRLF().Length(),
+								 endPosition);
+		}
+
+	if (lFCRLFPosition >= 0)
+		{
+		GetHeaderPartEndPosition(lFCRLFPosition,
+								 KLFCRLF().Length(),
+								 endPosition);
+		}
+
+	return endPosition;
+	}
+
+// ----------------------------------------------------------------------------
+// TTCPMsgState::GetHeaderPartEndPosition
+// ----------------------------------------------------------------------------
+//
+void TTCPMsgState::GetHeaderPartEndPosition ( TInt  aEndMarkPosition, 
+		                                      TInt  aEndMarkLength,  
+		                                      TInt& aHeaderEndPosition )
+	{
+	aEndMarkPosition = aEndMarkPosition + aEndMarkLength;
+		
+	if (aHeaderEndPosition > 0)
+		{
+		if (aEndMarkPosition < aHeaderEndPosition )
+			{
+			aHeaderEndPosition  = aEndMarkPosition;
+			}
+		}
+	else
+		{
+		aHeaderEndPosition = aEndMarkPosition;
+		}
+	}