/*

* Copyright (c) 2003-2009 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:

* Name        : SipProfileCSServer.h

* Part of     : SIP Profile Server

* Interface   : private

* The class for ITC server

* Version     : 1.0

*

*/

/**

 @internalComponent

*/

#ifndef SIPPROFILECSSERVER_H

#define SIPPROFILECSSERVER_H

//  INCLUDES

#include <e32base.h>

#include "SipProfileCSServer.pan"

#include "SipProfileServerCore.h"

// FORWARD DECLARATIONS

class CSipProfileCSServerCloseTimer;

class CSIPProfileServerCore;

// CLASS DECLARATION

/**

 * The class providing ITC server functionality.

 */

class CSIPProfileCSServer: public CPolicyServer

	{

	public : 

	    /**

        * Two-phased constructor.

		* @return new instance

        */

		static CSIPProfileCSServer* NewL(CSIPProfileServerCore& aServerCore);

	    /**

        * Two-phased constructor.

		* @return new instance

        */

		static CSIPProfileCSServer* NewLC(CSIPProfileServerCore& aServerCore);

	    /**

        * Destructor

        */

		~CSIPProfileCSServer();

	    /**

        * Initialize server

		* @return KErrNone if successfull

        */

		static TInt ThreadFunction(TAny* aNone);

	    /**

        * Increment session counter

        */

		void IncrementSessions();

	    /**

        * Decrement session counter

        */

		void DecrementSessions();

	    /**

        * Stops server if execution no longer needed

        */

		void ServerCanStop();

	    /**

        * Stops server abnormally

        */

		void ShutdownL();

	    /**

        * Stops server abnormally, deletes profiles.dat

        */

		void CleanShutdownL();

	protected: // From CActive

	    /**

        * Called if server fails

		* @param aError error code

		* @return KErrNone, errors are ignored

        */

		TInt RunError(TInt aError);

	private:

	    /**

        * Constructor

		* @param aPriority priority of server

        */

		CSIPProfileCSServer(CSIPProfileServerCore& aServerCore,

		                    TInt aPriority);

	    /**

        * Symbian 2nd phase constructor

        */

		void ConstructL();

	    /**

        * Send panic to client

		* @param aMessage identifies client

		* @param aReason panic reason code

        */

		static void PanicClient(const RMessage2& aMessage, 

                             TSIPProfileCSPanic aReason);

	    /**

        * Panic server

		* @param aReason panic reason code

        */

		static void PanicServer(TSIPProfileCSPanic aReason);

	    /**

        * Initialize server

        */

		static void ThreadFunctionL(RMutex& aMutex);

		/**

		* Signals a client's semaphore,

		* that is waiting for the server to be started.

		* @return KErrNone if semaphore was found and signalled

		*/ 

		static TInt SignalClientSemaphore();

	private: // From CServer

	    /**

        * Create new ITC session

		* @param aVersion version of client

		* @param aMessage identifies client

		* @return new session instance

        */

		CSession2* NewSessionL (const TVersion &aVersion, 

                                const RMessage2& aMessage) const;

	private:

		TUint                          iSessionCount;

		CSIPProfileServerCore&         iServerCore;

		CSipProfileCSServerCloseTimer* iCloseTimer;

	private: // For testing purposes

#ifdef CPPUNIT_TEST

		friend class CSIPProfileCSServerTest;

		friend class CSIPProfileAlrTest;

		friend class CSIPProfileStateTest;

		friend class CSIPProfileServerCoreTest;

		friend class CSIPProfileCSSessionTest;

#endif

	};

#endif // SIPPROFILECSSERVER_H