// Copyright (c) 1997-2009 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:

//

#include <networking/vj.h>

// Force export of non-mangled name

extern "C"

    {

EXPORT_C CVJCompFactory* NewVJCompFactoryL(void)

	{

	return new (ELeave) CVJFactory;

	}

	}

//

// CVJFactory definitions

//

CVJFactory::CVJFactory()

	{}

void CVJFactory::InstallL()

	{}

CVJCompressorIf* CVJFactory::NewVJCompressorL( TInt aSlots, TInt aCompressConnId)

/**

Create and construct a new CVJCompressor object.

@param aSlots Maximum number of VJ connections

@param aCompressConnId Whether to compress the connection number 

@return New CVJCompressor object

*/

	{

	CVJCompressor* Comp = new (ELeave) CVJCompressor();

	CleanupStack::PushL(TCleanupItem(CNifFactory::Cleanup, Comp));

	Comp->ConstructL(this, aSlots, aCompressConnId);

	CleanupStack::Pop();

	return Comp;

	}

CVJDeCompressorIf* CVJFactory::NewVJDeCompressorL( TInt aSlots )

/**

Create and construct a new CVJDeCompressor object.

@param aSlots Value of the highest VJ connection number to be received

@return New CVJDeCompressor object

*/

	{

	CVJDeCompressor* DeComp = new (ELeave) CVJDeCompressor();

	CleanupStack::PushL(TCleanupItem(CNifFactory::Cleanup, DeComp));

	DeComp->ConstructL(this, aSlots);

	CleanupStack::Pop();

	return DeComp;

	}

//

// TVJCompHdr definitions

//

TVJCompHdr::TVJCompHdr()

	:

	iNextPtr(NULL), iConnectionId(0)

	{

	    // Ignore lint "not initialized" warning about iIPHeader and iTCPHeader

	}

void TVJCompHdr::StoreTCPIPHeader(ThdrIP* aHeader)

/**

Stores the TCP/IP header.

@param aHeader TCP/IP packet header

*/

	{

	iIPHeader = *aHeader;

	iTCPHeader = *(ThdrTCP::NetPtr(aHeader));

	iTCPHeader.NetSetChecksum(0);

	MarkValid();

	}

void TVJCompHdr::RetrieveTCPIPHeader(ThdrIP* aIPHeader, ThdrTCP* aTCPHeader)

/**

Retrieves the TCP/IP header.

@param aIPHeader Returns the IP packet header

@param aTCPHeader Returns the TCP packet header

*/

	{

	*aIPHeader = iIPHeader;

	*aTCPHeader = iTCPHeader;

	}