// Copyright (c) 2008-2009 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:

// NetMcpr's Default implementation of the TCP receive window interface.

// Licensee should do their own implementation for tweaking the

// TCP receive window.

// 

//

/**

 @file tcpdfltrecvwin.h

 @internalComponent

*/

#ifndef SYMBIAN_IPEXTENSION_H

#define SYMBIAN_IPEXTENSION_H

#include <tcprecvwin.h>

#include <networking/cfbearers.h>

#include <e32hashtab.h> 

/**

 *  TCP receive window for GPRS. 

 */

const TUint KBearerGprsWinSize	= 17520;

/**

 *  TCP receive window for EGPRS. 

 */

const TUint KBearerEdgeWinSize	= 49640;

/**

 *  TCP receive window for UMTS. 

 */

const TUint KBearerUmtsWinSize	= 33580;

/**

 *  TCP receive window for HSDPA. 

 */

const TUint KBearerHsdpaWinSize	= 65533;

/**

 *  TCP receive window for WLAN. 

 */

const TUint KBearerWlanWinSize	= 65534;

/**

 *  TCP receive window for ethernet. 

 */

const TUint KBearerEthernetWinSize	= 65535;

/**

 * Maximum TCP receive window for ethernet.

 */

const TUint KEthernetMaxWinSize	= 131070;

/**

 * Default TCP receive window implementation. 

 * 

 */

class CDfltTCPReceiveWindowSize : public CTCPReceiveWindowSize

{

public:

	enum

	{

		ERealmId= 0x102070ED,

		iId = 10,

	};

public:

	//Default constructor 

	CDfltTCPReceiveWindowSize();

    //Destructor

    ~CDfltTCPReceiveWindowSize();

	//Populates TCP window lookup table for different bearers

	void Init();

	//Set TCP window size

	void SetTcpWin(TUint aBearerType);

	//Set max TCP receive window for a network bearer

	void  SetMaxWinSize(TUint aBearerType) ;

private:

   	//Associative array for storing TCP window size.

   	RHashMap<TUint,TUint> iBearerInfoMap;  	 

 };

#endif //SYMBIAN_IPEXTENSION_H