/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  BTEng server header definition

*

*/

#ifndef BTENGSERVER_H

#define BTENGSERVER_H

#include <bluetooth/btpowercontrol.h>

#include <bt_sock.h>

#include <bttypes.h>

#include <btserversdkcrkeys.h>

#include "btengconstants.h"

class CBTEngSrvState;

class CBTEngSrvPluginMgr;

class CBTEngPlugin;

class CBTEngSrvBBConnMgr;

class CBTEngSrvKeyWatcher;

class CBTEngSdpDbHandler;

class CPolicyServer;

class TEComResolverParams;

class CImplementationInformation;

class CDeltaTimer;

class CBTEngSrvSettingsMgr;

/**

 * Main function in which the server is running.

 *

 * @since S60 v3.2

 */

static void RunServerL();

/**

 * Utility to panic the client.

 *

 * @since S60 v3.2

 * @param aMessage Client message

 * @param aPanic Panic reason code.

 */

void PanicClient( const RMessage2& aMessage, TInt aPanic );

/**

 * Utility to panic the server.

 *

 * @since S60 v3.2

 * @param aPanic Panic reason code.

 */

void PanicServer( TInt aPanic );

/**  Panic category */

_LIT( KBTEngPanic, "BTEng panic" );

/**  Panic codes */

enum TBTEngServerPanic

    {

    EBTEngPanicMemoryLeak = 10000,

    EBTEngPanicArgumentIsNull,

    EBTEngPanicMemberVarIsNull,

    EBTEngPanicCorrupt,

    EBTEngPanicCorruptSettings,

    EBTEngPanicExpectSetPowerOpcode,

    };

/**

 *  Class CBTEngServer

 *

 *  Core server class of BTEng.

 *

 *  @lib bteng.lib

 *  @since S60 S60 v3.2

 */

NONSHARABLE_CLASS( CBTEngServer ) : public CPolicyServer

    {

    friend class CBTEngSrvPluginMgr;

    friend class CBTEngPairMan;

public:

    /**  Enumeration of bitmask for keeping track of different timers. */

    enum TTimerQueued

        {

        ENone               = 0x00,

        EScanModeTimer      = 0x01,

        EIdleTimer          = 0x02,

        EAutoPowerOffTimer  = 0x04,

        ESspDebugModeTimer  = 0x08 

        };

    /**

     * Two-phased constructor.

     */

    static CBTEngServer* NewLC();

    /**

     * Destructor.

     */

    virtual ~CBTEngServer();

    /**

     * Getter for power change state machine instance.

     *

     * @since Symbian^3

     * @return Pointer to instance of state machine.

     */

    inline CBTEngSrvState* StateMachine() const

            { return iServerState; }

    /**

     * Getter for settings manager instance.

     *

     * @since Symbian^3

     * @return Pointer to instance of settings manager.

     */

    inline CBTEngSrvSettingsMgr* SettingsManager() const

            { return iSettingsMgr; }

    /**

     * Getter for plug-in manager instance.

     *

     * @since Symbian^3

     * @return Pointer to instance of plug-in manager.

     */

    inline CBTEngSrvPluginMgr* PluginManager() const

            { return iPluginMgr; }

    /**

     * Getter for baseband connection manager instance.

     *

     * @since Symbian^3

     * @return Pointer to instance of baseband connection manager.

     */

    inline CBTEngSrvBBConnMgr* BasebandConnectionManager() const

            { return iBBConnMgr; }

    /**

     * Getter for socket server session.

     * This handle can be used for creating subsessions.

     *

     * @since Symbian^3

     * @return Reference to session with the socket server.

     */

    inline RSocketServ& SocketServer()

            { return  iSocketServ; }

    /**

     * Set Bluetooth on or off

     *

     * @since S60 v3.2

     * @param aState The new power state.

     * @param aTemporary Turn BT off after use (ETrue) or not (EFalse).

     */

    void SetPowerStateL( TBTPowerState aState, TBool aTemporary );

    /**

     * Set Bluetooth on or off upon a client power management request.

     * This function is only for power management request from clients of bteng server.

     *

     * @since Symbian^3

     * @param aMessage The message containing the detail of power management request.

     */

    void SetPowerStateL( const RMessage2 aMessage );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     */

    void DisconnectAllForPowerOffL();

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     */

    void DisconnectAllCompleted();

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     */

    void DispatchPluginMessageL( const RMessage2& aMessage );

    /**

     * Increment the session count.

     *

     * @since S60 v3.2

     */

    void AddSession();

    /**

     * Decrement the session count.

     *

     * @since Symbian^3

     * @param aSession the session to be cloased.

     * @param aAutoOff Indicator if this session had requested BT temporary on.

     */

    void RemoveSession(CSession2* aSession, TBool aAutoOff );

    /**

     * Queue a new timer.

     *

     * @since Symbian^3

     * @param aTimer Identifier for the timer to be queued.

     * @param aInterval The interval for timer callback.

     */

    void QueueTimer( CBTEngServer::TTimerQueued aTimer, TInt64 aInterval );

    /**

     * Remove a queued timer.

     *

     * @since Symbian^3

     * @param aTimer Identifier for the timer to be removed.

     */

    void RemoveTimer( CBTEngServer::TTimerQueued aTimer );

    /**

     * Check if a specific timer is currently queued.

     *

     * @since Symbian^3

     * @param aTimer Identifier for the timer to check.

     */

    inline TBool IsTimerQueued( CBTEngServer::TTimerQueued aTimer ) const

            { return ( iTimerQueued & aTimer ); }

    /**

     * Returns the service (limited to services managed in bteng scope)

     * level connection status of the specified device.

     *

     * @param aAddr the address of the device

     * @return one of TBTEngConnectionStatus enums

     */

    TBTEngConnectionStatus IsDeviceConnected( const TBTDevAddr& aAddr );

    /**

     * Checks if power is off and no session are connected, and

     * starts a shutdown timer if so.

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     */

    void CheckIdle();

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     */

    void ManageDIServiceL( TBool aState );

    /**

     * Callback function for completion of disconnecting all 

     * Bluetoooth Baseband links.

     *

     * @since S60 v3.2

     * @param aPtr Pointer to ourselves.

     * @return Result

     */

    static TInt DisconnectAllCallBack( TAny* aPtr );

    /**

     * Callback function for turning BT off automatically after all

     * connections are gone.

     *

     * @since S60 v5.0

     * @param aPtr Pointer to ourselves.

     * @return Result

     */

    static TInt AutoPowerOffCallBack( TAny* aPtr );

// from base class CPolicyServer

    /**

     * From CPolicyServer.

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     */

    virtual CSession2* NewSessionL( const TVersion& aVersion, 

                                     const RMessage2& aMessage ) const;

private:

    CBTEngServer();

    void ConstructL();

    /**

     * Reads the product-specific IDs for this phone from central repository.

     * These values are used in the BT Device Information profile.

     *

     * @since S60 v3.2

     * @param aVendorId On return, holds the vendor ID for this phone.

     * @param aProductId On return, holds the product ID for this phone.

     */

    void GetProductIdsL( TInt& aVendorId, TInt& aProductId );

    /**

     * Callback function for expiry of CDeltaTimer timer of temporary 

     * visibility mode.

     *

     * @since S60 v3.2

     * @param aPtr Pointer to ourselves.

     * @return Result

     */

    static TInt ScanModeTimerCallBack( TAny* aPtr );

    /**

     * Callback function for expiriy CDeltaTimer timer of server idle timeout.

     *

     * @since S60 v3.2

     * @param aPtr Pointer to ourselves.

     * @return Result

     */

    static TInt IdleTimerCallBack( TAny* aPtr );

    /**

     * Callback function for expiriy CDeltaTimer timer of 

     * Simple Pairing Debug Mode.

     *

     * @since S60 v3.2

     * @param aPtr Pointer to ourselves.

     * @return Result

     */

    static TInt DebugModeTimerCallBack( TAny* aPtr );

private: // data

    /**

     * Counter of the number of open sessions, which is used to 

     * stop the server when no session exists and Bluetooth is off.

     */

    TInt iSessionCount;

    /**

     * Handle to BT Power Manager library; this handle must exist 

     * for the lifetime of the loaded library.

     */

    TUint32 iDiSdpRecHandle;

    /**

     * Remember which timer has been queued. (CDeltaTimer does not 

     * provide this information).

     */

    TUint32 iTimerQueued;

    /**

     * Callback for expiry of temporary visibility mode timer.

     */

    TDeltaTimerEntry iScanModeCallBack;

    /**

     * Callback for expiry of temporary power on mode timer.

     */

    TDeltaTimerEntry iPowerOffCallBack;

    /**

     * Callback for expiry of idle timer.

     */

    TDeltaTimerEntry iIdleCallBack;

    /**

     * Callback for expiry of Simple Pairing debug mode.

     */

    TDeltaTimerEntry iDebugModeCallBack;

    /**

    * Socket Server instance for this and other classes to access Bluetooth socket APIs.

    */   

    RSocketServ iSocketServ;

    /**

     * Our state machine for handling power on/off.

     * Own.

     */

    CBTEngSrvState* iServerState;

    /**

     * Hardware and stack settings manager.

     * Own.

     */

    CBTEngSrvSettingsMgr* iSettingsMgr;

    /**

     * ECOM plugin manager.

     * Own.

     */

    CBTEngSrvPluginMgr* iPluginMgr;

    /**

     * Bluetooth Baseband connection manager.

     * Own.

     */

    CBTEngSrvBBConnMgr* iBBConnMgr;

    /**

     * Watcher for the relevant CenRep and PubSub keys.

     * Own.

     */

    CBTEngSrvKeyWatcher* iWatcher;

    /**

     * SDP database handler.

     * Own.

     */

    CBTEngSdpDbHandler* iSdpDbHandler;

    /**

     * Timer for setting various timeouts.

     * Own.

     */

    CDeltaTimer* iTimer;

    };

#endif // BTENGSERVER