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 // Name        : TTCPMsgInit.cpp

    15 // Part of     : ConnectionMgr

    16 // Implementation

    17 // Version     : SIP/4.0

    18 //

    19 

    20 

    21 

    22 #include "TTCPMsgInit.h"

    23 #include "MMsgAssemblerContext.h"

    24 #include "MSigCompController.h"

    25 

    26 

    27 // ----------------------------------------------------------------------------

    28 // TTCPMsgInit::DataReceivedL

    29 // ----------------------------------------------------------------------------

    30 //

    31 void TTCPMsgInit::DataReceivedL( TPtr8 aData, TUint&  aNextLength )

    32 	{

    33 	iMsgAssembler.SetUnConsumedBytes( 0 );

    34 	

    35 	// check first if the data received is compressed. 

    36 	// if so, enter to state TTCPCompMsgStart state.

    37 	if ( iMsgAssembler.SigComp().IsSupported() &&

    38 	     iMsgAssembler.SigComp().IsSigCompMsg( aData ) )

    39 		{

    40 		iMsgAssembler.SetIsSigComp( ETrue );

    41 		iMsgAssembler.ChangeState( MMsgAssemblerContext::ECompMsgStart );

    42 		iMsgAssembler.CurrentState().DataReceivedL( aData , aNextLength );

    43 		}

    44 	else // received data is not compressed

    45 		{

    46 		iMsgAssembler.SetIsSigComp( EFalse );

    47 		TInt startPos = FindHeaderStartPosition( aData );

    48 		

    49 		// if header not start from position 0

    50 		// delete extra characters so that header start from pos 0.

    51 		if ( startPos > 0 ) 

    52 			{

    53 			aData.Delete(0, startPos );

    54 			}

    55 			

    56 		// if the header start position is found

    57 		if ( startPos > KErrNotFound )

    58 			{

    59 			// enter into next state EMsgHeaderStart. 

    60 			iMsgAssembler.ChangeState( MMsgAssemblerContext::EMsgHeaderStart );

    61 			iMsgAssembler.CurrentState().DataReceivedL( aData , aNextLength );

    62 			}

    63 		}

    64 	}