/*

 * Component Name: Headset Simulator

 * Author: Comarch S.A.

 * Version: 1.0

 * Copyright (c) 2010 Comarch S.A.

 *  

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

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

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

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

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

 * allowed without written permission of Comarch S.A.

 * 

 */

#ifndef HSSERVER_H

#define HSSERVER_H

#include <bt_sock.h>

#include <bttypes.h>

class CBluetoothSocket;

class RSocketServ;

class MHsAcceptNewClientObserver;

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

const TUint KListenQueueSize = 10;

/** Buffer size */

const TInt KMaxTHSConnectionBufferSize = 1024;

/**

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

 */

class CHsServer : public CBase, public MBluetoothSocketNotifier

{

public:

    /**

     * Two-phased constructor.

     * @param aSocketServ session of socket server

     * @return instance of class

     */

    static CHsServer* NewL( RSocketServ &aSocketServ );

    /**

     * Two-phased constructor.

     * @param aSocketServ session of socket server

     * @return instance of class

     */

    static CHsServer* NewLC( RSocketServ &aSocketServ );

    /**

     * Destructor

     */

    ~CHsServer();

public:

    /**

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

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

     * 

     * @return KErrNone if successful, 

     * KErrAlreadyExists if server is already running,

     * otherwise one of the system-wide error codes                                      

     */

    TInt Listen();

    /**

     * Returns server listening status.

     * 

     * @return ETrue if server listens, otherwise EFalse

     */

    TBool IsReady();

    /**

     * Shutdowns server. Cancels receiving and sending data, disconnects 

     * clients and destroys all bluetooth sockets.

     */

    void Shutdown();

    /**

     * Sets new client observer.

     * 

     * @param aNewClientObserv reference to observer

     */

    void SetNewClientObserver( MHsAcceptNewClientObserver &aNewClientObserv );

    /**

     * Returns listening server port.

     * 

     * @return port number

     */

    TInt GetPort();

    /**

     * Connects to AG client's socket.

     * 

     * @param aAddr socket address

     * 

     * @leave KErrInUse if the device is already being used

     */

    void GetSocketAndTryToConnectL( const TBTSockAddr &aAddr );

protected:

private:

    /**

     * Constructor for performing 1st stage construction

     * 

     * @param aSocketServ session of socket server

     */

    CHsServer( RSocketServ &aSocketServ );

    /**

     * Constructor for performing 2nd stage construction

     */

    void ConstructL();

private:

    //Methods inhertited from MBluetoothSocketNotifier

    void HandleConnectCompleteL( TInt aErr );

    void HandleAcceptCompleteL( TInt aErr );

    void HandleShutdownCompleteL( TInt aErr );

    void HandleSendCompleteL( TInt aErr );

    void HandleReceiveCompleteL( TInt aErr );

    void HandleIoctlCompleteL( TInt aErr );

    void HandleActivateBasebandEventNotifierCompleteL( TInt aErr,

            TBTBasebandEventNotification& aEventNotification );

private:

    /** Listening status */

    TBool iListen;

    /** Server port */

    TInt iPort;

    /** Service security */

    TBTServiceSecurity iServerSecurity;

    /** Session of socket server */

    RSocketServ &iSServ;

    /** Socket for listening for new connections */

    CBluetoothSocket *iSocketServer;

    /** Client socket */

    CBluetoothSocket *iBlankSocket;

    /** Second client socket */

    CBluetoothSocket *iBlankSocket2;

    /** Pointer to observer */

    MHsAcceptNewClientObserver *iNewClientObserver;

};

#endif // HSSERVER_H