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 HSSERVER_H

    17 #define HSSERVER_H

    18 

    19 #include <bt_sock.h>

    20 #include <bttypes.h>

    21 

    22 class CBluetoothSocket;

    23 class RSocketServ;

    24 class MHsAcceptNewClientObserver;

    25 

    26 /** The number of connections allowed in the queue */

    27 const TUint KListenQueueSize = 10;

    28 

    29 /** Buffer size */

    30 const TInt KMaxTHSConnectionBufferSize = 1024;

    31 

    32 /**

    33  * @brief Server that listens and handles physical link connection with AG device.

    34  */

    35 class CHsServer : public CBase, public MBluetoothSocketNotifier

    36 {

    37 public:

    38 

    39     /**

    40      * Two-phased constructor.

    41      * @param aSocketServ session of socket server

    42      * @return instance of class

    43      */

    44     static CHsServer* NewL( RSocketServ &aSocketServ );

    45 

    46     /**

    47      * Two-phased constructor.

    48      * @param aSocketServ session of socket server

    49      * @return instance of class

    50      */

    51     static CHsServer* NewLC( RSocketServ &aSocketServ );

    52 

    53     /**

    54      * Destructor

    55      */

    56     ~CHsServer();

    57 

    58 public:

    59 

    60     /**

    61      * Turns on server. Method listens (RFCOMM protocol) and accepts ongoing 

    62      * connections. Server gets the first free port number in system.

    63      * 

    64      * @return KErrNone if successful, 

    65      * KErrAlreadyExists if server is already running,

    66      * otherwise one of the system-wide error codes                                      

    67      */

    68     TInt Listen();

    69 

    70     /**

    71      * Returns server listening status.

    72      * 

    73      * @return ETrue if server listens, otherwise EFalse

    74      */

    75     TBool IsReady();

    76 

    77     /**

    78      * Shutdowns server. Cancels receiving and sending data, disconnects 

    79      * clients and destroys all bluetooth sockets.

    80      */

    81     void Shutdown();

    82 

    83     /**

    84      * Sets new client observer.

    85      * 

    86      * @param aNewClientObserv reference to observer

    87      */

    88     void SetNewClientObserver( MHsAcceptNewClientObserver &aNewClientObserv );

    89 

    90     /**

    91      * Returns listening server port.

    92      * 

    93      * @return port number

    94      */

    95     TInt GetPort();

    96 

    97     /**

    98      * Connects to AG client's socket.

    99      * 

   100      * @param aAddr socket address

   101      * 

   102      * @leave KErrInUse if the device is already being used

   103      */

   104     void GetSocketAndTryToConnectL( const TBTSockAddr &aAddr );

   105 

   106 protected:

   107 

   108 private:

   109     /**

   110      * Constructor for performing 1st stage construction

   111      * 

   112      * @param aSocketServ session of socket server

   113      */

   114     CHsServer( RSocketServ &aSocketServ );

   115 

   116     /**

   117      * Constructor for performing 2nd stage construction

   118      */

   119     void ConstructL();

   120 

   121 private:

   122     //Methods inhertited from MBluetoothSocketNotifier

   123     void HandleConnectCompleteL( TInt aErr );

   124 

   125     void HandleAcceptCompleteL( TInt aErr );

   126 

   127     void HandleShutdownCompleteL( TInt aErr );

   128 

   129     void HandleSendCompleteL( TInt aErr );

   130 

   131     void HandleReceiveCompleteL( TInt aErr );

   132 

   133     void HandleIoctlCompleteL( TInt aErr );

   134 

   135     void HandleActivateBasebandEventNotifierCompleteL( TInt aErr,

   136             TBTBasebandEventNotification& aEventNotification );

   137 private:

   138 

   139     /** Listening status */

   140     TBool iListen;

   141 

   142     /** Server port */

   143     TInt iPort;

   144 

   145     /** Service security */

   146     TBTServiceSecurity iServerSecurity;

   147 

   148     /** Session of socket server */

   149     RSocketServ &iSServ;

   150 

   151     /** Socket for listening for new connections */

   152     CBluetoothSocket *iSocketServer;

   153 

   154     /** Client socket */

   155     CBluetoothSocket *iBlankSocket;

   156 

   157     /** Second client socket */

   158     CBluetoothSocket *iBlankSocket2;

   159 

   160     /** Pointer to observer */

   161     MHsAcceptNewClientObserver *iNewClientObserver;

   162 };

   163 

   164 #endif // HSSERVER_H