diff -r 02103bf20ee5 -r 90dbfc0435e3 bluetoothengine/headsetsimulator/core/inc/Server/hsclient.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/headsetsimulator/core/inc/Server/hsclient.h	Wed Sep 15 15:59:44 2010 +0200
@@ -0,0 +1,212 @@
+/*
+ * 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 HSCLIENT_H_
+#define HSCLIENT_H_
+
+#include <bt_sock.h>
+
+class MHsClientObserver;
+class MHsClientStateNotifier;
+
+/** Length of AG's receive and send data buffer */
+const TInt32 KHsClientBufferLength = 0x800;
+
+/** Buffer for communication with AG */
+typedef TBuf8 <KHsClientBufferLength> THsClientBuffer;
+
+/**
+ * @brief Class represents AG client.
+ */
+class CHsClient : public CBase, public MBluetoothSocketNotifier
+{
+public:
+
+    /**
+     * Two-phase constructor
+     * 
+     * @param aClient socket which AG is connected
+     * @param aClientStateNotifier pointer to AG state observer
+     * @param aClientDisconnectNotifier pointer to AG disconnection observer
+     * @return instance of class
+     */
+    static CHsClient* NewL( CBluetoothSocket* aClient,
+            MHsClientStateNotifier* aClientStateNotifier = NULL,
+            MHsClientObserver* aClientDisconnectNotifier = NULL );
+
+    /**
+     * Two-phase constructor
+     * 
+     * @param aClient socket which AG is connected
+     * @param aClientStateNotifier pointer to AG state observer
+     * @param aClientDisconnectNotifier pointer to AG disconnection observer
+     * @return instance of class
+     */
+    static CHsClient* NewLC( CBluetoothSocket* aClient,
+            MHsClientStateNotifier* aClientStateNotifier = NULL,
+            MHsClientObserver* aClientDisconnectNotifier = NULL );
+
+    /**
+     * Destructor
+     */
+    ~CHsClient();
+
+public:
+    /**
+     * Sends data to AG.
+     * 
+     * @pre AG client is connected
+     * 
+     * @param aData data to be send
+     */
+    void Send( const TDesC8& aData );
+
+    /**
+     * Sets observer of AG's disconnection.
+     * 
+     * @param aNotifier reference to MHsClientObserver
+     */
+    void SetClientDisconnectNotfier( MHsClientObserver& aNotifier );
+
+    /**
+     * Sets observer of AG's states.
+     * 
+     * @param aNotifier reference to MHsClientStateNotifier
+     */
+    void SetClientStateNotfier( MHsClientStateNotifier& aNotifier );
+
+    /**
+     * Returns pointer to AG's states observer.
+     */
+    MHsClientStateNotifier* GetClientStateNotifer();
+
+private:
+    /**
+     * Constructor for performing 1st stage construction
+     * 
+     * @param aClient socket which AG is connected
+     * @param aClientStateNotifier pointer to AG state observer
+     * @param aClientDisconnectNotifier pointer to AG disconnection observer
+     */
+    CHsClient( CBluetoothSocket& aClient,
+            MHsClientStateNotifier* aClientStateNotifier = NULL,
+            MHsClientObserver* aClientDisconnectNotifier = NULL );
+
+    /**
+     * Constructor for performing 2nd stage construction
+     */
+    void ConstructL();
+
+private:
+
+    /**
+     * Receives data from AG.
+     * 
+     * @param aData received data buffer
+     * 
+     * @leave KErrNoMemory if AG socket is NULL
+     * @leave KErrDisconnected if AG is not connected
+     */
+    void RawRecvL( TDes8& aData );
+
+    /**
+     * Sends data to AG.
+     * 
+     * @param aData data to be send
+     * 
+     * @leave KErrNoMemory if AG socket is NULL
+     * @leave KErrDisconnected if AG is not connected
+     * @leave KErrWrite if parameter is empty
+     */
+    void RawSendL( const TDesC8& aData );
+
+    /**
+     * Sends data to AG with double buffering and init receiving when there 
+     * is no data to be send.
+     * 
+     * @param aData data to be send
+     */
+    void BufferedProcessL( const TDesC8& aData = KNullDesC8 );
+
+    /**
+     * Swaps sending buffers.
+     */
+    void SwapBuffers();
+
+private:
+    //Methods derived 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:
+
+    /** AG client state enum */
+    enum THsClientState
+    {
+        /** Idle state */
+        EIdle = 0,
+        /** Sending state */
+        ESending,
+        /** Receiving state */
+        EReceiving
+    };
+
+    /** AG client's state */
+    THsClientState iState;
+
+    /** Bluetooth information receive flags */
+    TInt iReceiveFlag;
+
+    /** Bluetooth information send flags */
+    TInt iSendFlag;
+
+    /** Denotes if AG is connected */
+    TBool iConnected;
+
+    /** Length indicating how much data was read */
+    TSockXfrLength iReceiveMessageLength;
+
+    /** Receive data buffer */
+    THsClientBuffer iReceiveMessageBuffer;
+
+    /** Send data buffer */
+    THsClientBuffer iSendBuf;
+
+    /** Temporary send data buffer */
+    THsClientBuffer iTempSendBuf;
+
+    /** Bluetooth socket */
+    CBluetoothSocket* iSocket;
+
+    /** Pointer to MHsClientStateNotifier. Not owned */
+    MHsClientStateNotifier* iStateNotifier;
+
+    /** Pointer to MHsClientObserver. Not owned */
+    MHsClientObserver* iClientObserver;
+};
+
+#endif /* HSCLIENT_H_ */