// 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:

// Class CTCPReceiveWindowSize defines the public interface used by Licensee's NetMcpr

// to configure the TCP receive window dynamically. Licensee are required to override

// the SetTcpWin(1) method for setting the TCP receive window for different bearers. 

// 

//

/**

 @file tcprecvwin.h

 @class CTCPReceiveWindowSize

 @brief Declaration of class CTCPReceiveWindowSize

 @publishedPartner

 @released.

*/

#ifndef SYMBIAN_TCP_RECEIVE_WINDOW_H

#define SYMBIAN_TCP_RECEIVE_WINDOW_H

#include <networking/etelbearers.h>

/**

 * Default TCP receive window

 */ 

const TUint KBearerDefaultWinSize    = 49152;

/**

 * Default maximum TCP receive window

 */

const TUint KBearerDefaultMaxWinSize = 131070;

//TCP receive window interface definition.

class CTCPReceiveWindowSize : public CBase, public Meta::SMetaData

{

public:

	enum

	{

		ERealmId= 0x102070ED,

		iId = 9,

	};

public:

	//Default TCP receive window

	CTCPReceiveWindowSize() :iWinSize(KBearerDefaultWinSize),

                         iMaxWinSize(KBearerDefaultMaxWinSize)

        {};

	//Virtual Destructor

	virtual ~CTCPReceiveWindowSize(){};

    //Set TCP window size

	virtual void SetTcpWin(TUint aBearerType) = 0;

	//Get the TCP receive window size for a bearer 

	TUint GetTcpWin() const { return iWinSize; }

	//Get maximum  TCP receive window size for a bearer

	TUint GetTcpMaxWin() const { return iMaxWinSize; }

public:

	//TCP receive window for a bearer.

   	TUint iWinSize;

    //TCP maximum receive window for a bearer.

   	TUint iMaxWinSize;

public:

 	DATA_VTABLE	

};

#endif //SYMBIAN_TCP_RECEIVE_WINDOW_H