1 /*

     2  * Component Name: Headset Simulator

     3  * Author: Comarch S.A.

     4  * Version: 1.0

     5  * Copyright (c) 2010 Comarch S.A.

     6  *  

     7  * This Software is submitted by Comarch S.A. to Symbian Foundation Limited on 

     8  * the basis of the Member Contribution Agreement entered between Comarch S.A. 

     9  * and Symbian Foundation Limited on 5th June 2009 (“Agreement”) and may be 

    10  * used only in accordance with the terms and conditions of the Agreement. 

    11  * Any other usage, duplication or redistribution of this Software is not 

    12  * allowed without written permission of Comarch S.A.

    13  * 

    14  */

    15 

    16 #ifndef HSAUDIOSERVER_H_

    17 #define HSAUDIOSERVER_H_

    18 

    19 #include <e32std.h>

    20 #include <bt_sock.h>

    21 

    22 /** Buffer size */

    23 const TInt KHsSynchronousBufferLength = 128;

    24 

    25 /**

    26  * @brief Server for SCO connections

    27  */

    28 class CHsAudioServer : public CBase, public MBluetoothSynchronousLinkNotifier

    29 {

    30 public:

    31     /**

    32      * Two-phase constructor

    33      * @param aSocketServ socket server session

    34      * @param aPullAudio denotes if audio should be pulled

    35      * @return instance of class

    36      */

    37     static CHsAudioServer* NewL( RSocketServ& aSocketServ, TBool aPullAudio );

    38 

    39     /**

    40      * Two-phase constructor

    41      * @param aSocketServ socket server session

    42      * @param aPullAudio denotes if audio should be pulled

    43      * @return instance of class

    44      */

    45     static CHsAudioServer* NewLC( RSocketServ& aSocketServ, TBool aPullAudio );

    46 

    47     /**

    48      * Destructor

    49      */

    50     ~CHsAudioServer();

    51 

    52 public:

    53 

    54     /**

    55      * Prepares audio server for incoming connections

    56      */

    57     void ListenL();

    58 

    59     /**

    60      * Connects audio server to the specified device

    61      * 

    62      * @param aAddr device's bluetooth address

    63      */

    64     void ConnectL( const TBTDevAddr &aAddr );

    65 

    66     /**

    67      * Closes current connections and prepares the server for the new one

    68      */

    69     void Disconnect();

    70 

    71     /**

    72      * Turns off audio server

    73      */

    74     void Shutdown();

    75 

    76     /**

    77      * Method allows to accept \ reject SCO connection establishment 

    78      * 

    79      * @param aPullAudio ETrue if SCO connection is supposed to be accepted 

    80      */

    81     void SetPullAudio( TBool aPullAudio );

    82 

    83     /**

    84      * Checks if client is connected

    85      * 

    86      * @return ETrue if client connected

    87      */

    88     TBool IsConnected();

    89 

    90     /**

    91      * Checks if server is ready for incoming requests

    92      * 

    93      * @return ETrue if server is ready

    94      */

    95     TBool IsListen();

    96 

    97 private:

    98 

    99     /**

   100      * Constructor for performing 1st stage construction

   101      * 

   102      * @param aSocketServ socket server session

   103      * @param aPullAudio denotes if audio should be pulled

   104      */

   105     CHsAudioServer( RSocketServ& aSocketServ, TBool aPullAudio );

   106 

   107     /**

   108      * Constructor for performing 2nd stage construction

   109      */

   110     void ConstructL();

   111 

   112 private:

   113     // Methods derived from MBluetoothSynchronousLinkNotifier

   114 

   115     void HandleSetupConnectionCompleteL( TInt aErr );

   116 

   117     void HandleDisconnectionCompleteL( TInt aErr );

   118 

   119     void HandleAcceptConnectionCompleteL( TInt aErr );

   120 

   121     void HandleSendCompleteL( TInt aErr );

   122 

   123     void HandleReceiveCompleteL( TInt aErr );

   124 

   125 private:

   126 

   127     /** Session of socket server */

   128     RSocketServ& iSServ;

   129 

   130     /** SCO socket */

   131     CBluetoothSynchronousLink* iSCOSocket;

   132 

   133     /** Buffer for received data */

   134     TBuf8 <KHsSynchronousBufferLength> iReceiveBuffer;

   135 

   136     /** Buffer for data to be send */

   137     TBuf8 <KHsSynchronousBufferLength> iSendBuffer;

   138 

   139     /** Types of accepted SCO packets */

   140     TBTSyncPackets iAcceptedPackets;

   141 

   142     /** DevAddr of connected device */

   143     TBTDevAddr iAddr;

   144 

   145     /** Denotes if server is ready for incoming connections */

   146     TBool iListening;

   147 

   148     /** Denotes if client is connected */

   149     TBool iConnected;

   150 

   151     /** Denotes if audio should be transferred */

   152     TBool iPullAudio;

   153 };

   154 

   155 #endif /* HSAUDIOSERVER_H_ */