1 /*

     2 * Copyright (c) 2004-2005 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 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __RTPSTPPACKET_H

    22 #define __RTPSTPPACKET_H

    23 

    24 //  INCLUDES

    25 #include <rtpstpheader.h>

    26 

    27 // FUNCTION PROTOTYPES

    28 void write16( TUint8* const aPointer, TUint32 aValue );

    29 TUint32 read16( const TUint8* const aPointer );

    30 void write32( TUint8* const aPointer, TUint32 aValue );

    31 TUint32 read32( const TUint8* const aPointer );

    32 

    33 // CLASS DECLARATION

    34 

    35 /**

    36 *  STP packet interface class 

    37 *

    38 *  @lib RtpStpPacket.dll

    39 */

    40 class MRtpPacketExt

    41     {

    42     public:

    43         virtual void ConstructL( TUint aPacketSize, TRtpId aSessionId ) = 0;

    44         virtual void Close() = 0;

    45         virtual void RtpPacketReset() = 0;

    46         virtual void RtpPacketResetPtr() = 0;  

    47 

    48         virtual TInt RtpPacketBuild( const TRtpSendHeader& aHeader, 

    49                                      const TDesC8& aPayload ) = 0;

    50 

    51         virtual TInt RtpPacketProcess( TUint8* aBuf, TInt* aLength ) = 0;

    52 

    53         virtual void RegisterRtpObserver( MRtpObserver& aObserver ) = 0;

    54         virtual void UnregisterRtpObserver() = 0;

    55         virtual void SetSize( TInt aSize ) = 0;

    56 

    57         virtual TInt Size() const = 0;

    58         virtual TUint8* Data() const = 0;

    59         virtual HBufC8* GetHBuf() const = 0;

    60         virtual const TPtrC8 Des() const = 0;

    61 

    62     };

    63 

    64 /**

    65 *  STP packet concrete class 

    66 *

    67 *  @lib RtpStpPacket.dll

    68 */

    69 class CRtpStpPacket : public CBase, public MRtpPacketExt

    70     {

    71     public:

    72         CRtpStpPacket();

    73         ~CRtpStpPacket();

    74         virtual void ConstructL( TUint aPacketSize, TRtpId aSessionId );

    75         virtual void Close();

    76 

    77         virtual void RtpPacketReset();

    78         virtual void RtpPacketResetPtr();  

    79 

    80         virtual TInt RtpPacketBuild( const TRtpSendHeader& aHeader, const TDesC8& aPayload );

    81         virtual TInt RtpPacketProcess( TUint8* aBuf, TInt* aLength );

    82 

    83         inline virtual void RegisterRtpObserver( MRtpObserver& aObserver );

    84         inline virtual void UnregisterRtpObserver();

    85         inline virtual void SetSize( TInt aSize );

    86         inline virtual TInt Size() const;

    87         inline virtual TUint8* Data() const;

    88         inline virtual HBufC8* GetHBuf() const;

    89         inline const TPtrC8 Des() const;

    90     

    91     private : 

    92         TUint32 read16( const TUint8* const aPointer );

    93         void write16( TUint8* const aPointer, TUint32 aValue );

    94         

    95     private:

    96         MRtpObserver* iObserver;

    97         HBufC8* iBuf;

    98         TInt iSize;   

    99         TUint8* iData;          // pointer to the beginning of the iBuf

   100         TUint8* iDataPtr;       // pointer to the beginning of date unhandled

   101         TRtpId iSessionId;      // session ID value

   102     };

   103 

   104 #include "rtpstppacket.inl"

   105 

   106 #endif  // __RTPSTPPACKET_H

   107 

   108 // End of File