1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * header file for NTB16 build  class

    16 *

    17 */

    18 

    19 

    20 /**

    21 @file

    22 @internalComponent

    23 */

    24 

    25 

    26 #ifndef NCMNTB16BUILDER_H

    27 #define NCMNTB16BUILDER_H

    28 

    29 #include <e32base.h>

    30 #include "ncmntbbuilder.h"

    31 #include "ncmpktdrvcommon.h"

    32 

    33 

    34 class MNcmNtbBuildObserver;

    35 

    36 

    37 NONSHARABLE_CLASS(TDatagramEntry)

    38     {

    39 public:

    40     TUint16 iWDatagramIndex;

    41     TUint16 iWDatagramLength;    

    42     };

    43     

    44 /**

    45 Responsible for build NTB16 payload

    46 */

    47 

    48 NONSHARABLE_CLASS(CNcmNtb16Builder) : public CNcmNtbBuilder

    49     {

    50 public:

    51     static CNcmNtbBuilder* NewL(MNcmNtbBuildObserver&);

    52     ~CNcmNtb16Builder();

    53 

    54 public:

    55 /**

    56 *derived from CNcmNtbBuilder

    57 */

    58     void StartNewNtb(const TNcmBuffer& aBuffer);

    59     TInt AppendPacket(const RMBufChain& aPacket);

    60     TInt SetNtbInMaxSize(TInt aSize);

    61     void CompleteNtbBuild();

    62     void Reset();

    63     

    64 private:

    65     CNcmNtb16Builder(MNcmNtbBuildObserver&);

    66     void ConstructL();

    67     void BuildNtbHeader();

    68     void BuildNdp();

    69         

    70 

    71 private:

    72     /**

    73     * offset of NDP in buffer

    74     */

    75     TUint16    iNdpOffset;

    76     /**

    77     * length of NDP

    78     */

    79     TUint16    iNdpLength;

    80     /**

    81     * offset of next datagram can be in.

    82     */

    83     TUint16    iDatagramOffset;

    84     /**

    85     * array of datagrams index and length in NTB.

    86     */    

    87     RArray<TDatagramEntry>    iPacketsArray;

    88     };

    89 

    90 

    91 #endif //NCMNTB16BUILDER_H

    92