/*

* Copyright (c) 2010 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:

* header file for NTB16 build  class

*

*/

/**

@file

@internalComponent

*/

#ifndef NCMNTB16BUILDER_H

#define NCMNTB16BUILDER_H

#include <e32base.h>

#include "ncmntbbuilder.h"

#include "ncmpktdrvcommon.h"

class MNcmNtbBuildObserver;

NONSHARABLE_CLASS(TDatagramEntry)

    {

public:

    TUint16 iWDatagramIndex;

    TUint16 iWDatagramLength;    

    };

/**

Responsible for build NTB16 payload

*/

NONSHARABLE_CLASS(CNcmNtb16Builder) : public CNcmNtbBuilder

    {

public:

    static CNcmNtbBuilder* NewL(MNcmNtbBuildObserver&);

    ~CNcmNtb16Builder();

public:

/**

*derived from CNcmNtbBuilder

*/

    void StartNewNtb(const TNcmBuffer& aBuffer);

    TInt AppendPacket(const RMBufChain& aPacket);

    TInt SetNtbInMaxSize(TInt aSize);

    void CompleteNtbBuild();

    void Reset();

private:

    CNcmNtb16Builder(MNcmNtbBuildObserver&);

    void ConstructL();

    void BuildNtbHeader();

    void BuildNdp();

private:

    /**

    * offset of NDP in buffer

    */

    TUint16    iNdpOffset;

    /**

    * length of NDP

    */

    TUint16    iNdpLength;

    /**

    * offset of next datagram can be in.

    */

    TUint16    iDatagramOffset;

    /**

    * array of datagrams index and length in NTB.

    */    

    RArray<TDatagramEntry>    iPacketsArray;

    };

#endif //NCMNTB16BUILDER_H