1 /*

     2 * Copyright (c) 2002-2005 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:  CSatBIPDataReceiver is responsible of Receive operations

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CSATBIPDATARECEIVER_H

    21 #define CSATBIPDATARECEIVER_H

    22 

    23 //  INCLUDES

    24 #include    <e32base.h>

    25 #include    <in_sock.h>

    26 #include    "MSatBIPUtils.h"

    27 

    28 // FORWARD DECLARATIONS

    29 class CSatBIPGPRSDataChannel;

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34 *  CSatBIPDataReceiver is responsible for receiving data using deifned protocol

    35 *  and to notify CSatBIPGPRSDataChannel when data has been sent.

    36 *

    37 *  @lib SatEngine.lib

    38 *  @since Series 60 3.0

    39 */

    40 class CSatBIPDataReceiver : public CActive

    41     {

    42     public:  // Constructors and destructor

    43 

    44         /**

    45         * Default constructor.

    46         * @param aObserver GPRS data channel to whom the received data is passed

    47         * @param aSocket Socket where the data is received

    48         * @param aIsTcpSocket Indicates whether to use TCP or UDP

    49         */

    50         CSatBIPDataReceiver( CSatBIPGPRSDataChannel& aObserver,

    51                              RSocket& aSocket,

    52                              TBool aIsTcpSocket );

    53 

    54         /**

    55         * Destructor.

    56         */

    57         virtual ~CSatBIPDataReceiver();

    58 

    59     public: // Functions from base classes

    60 

    61         /**

    62         * From CActive. Informs observer that data has been received.

    63         */

    64         void RunL();

    65 

    66         /**

    67         * From CActive. Cancels any outgoing requests

    68         */

    69         void DoCancel();

    70 

    71     public: // New functions

    72 

    73         /**

    74         * This notification is called when SIM has received all the data

    75         * from ReceiveStore in case of UDP. If there are any pending datagrams,

    76         * it is stored and receive is available again.

    77         */

    78         void ReceiveStoreEmptyNotificationL();

    79 

    80         /**

    81         * Starts receiving data using predefined protocol.

    82         * @param aAddr Source address where the data is received.

    83         */

    84         void StartReceive( TInetAddr& aAddr );

    85 

    86     private:    // Data

    87 

    88         // Observer the data sent event.

    89         CSatBIPGPRSDataChannel& iObserver;

    90 

    91         // Socket

    92         RSocket& iSocket;

    93 

    94         // Defines wether to use UDP or TCP sockets

    95         TBool iIsTcpSocket;

    96 

    97         // Receive buffer where the data is received

    98         TBuf8<KSatBIPMinReceiveBufferSize> iRecvBuffer;

    99 

   100         // Contains the number of bytes received

   101         TInt iReceiveDataLen;

   102 

   103         // Wrapper for bytes received indication

   104         TSockXfrLength iRecvPckg;

   105     };

   106 

   107 #endif      // CSATBIPDATARECEIVER_H

   108 

   109 // End of File