/*

* Copyright (c) 2004-2009 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:

*

*/

#ifndef _SIPEXSIPESTABLISHEDSTATE_H_

#define _SIPEXSIPESTABLISHEDSTATE_H_

//  INCLUDES

#include "SIPExSIPStateBase.h"

// FORWARD DECLARATIONS

class CSIPExSIPEngine;

// CLASS DECLARATION

/**

* Reacts to events that are possible in 

* "Established" state.

*/

class CSIPExSIPEstablishedState: public CSIPExSIPStateBase

	{

	public:// Constructors and destructor

        /**

        * Two-phased constructor.

        */

		IMPORT_C static CSIPExSIPEstablishedState* NewL();

		/**

		* Destructor

		*/

		IMPORT_C virtual ~CSIPExSIPEstablishedState();

	public://new functions

		/**

		* Links the states

		* @param aTerminatingState BYE sent, waiting for response.

		* @param aTerminatedState SIP Session has been ended.

		*/

		void LinkStates(

			CSIPExSIPStateBase& aTerminatingState,

			CSIPExSIPStateBase& aTerminatedState );

	public://functions from base class

		/**

		* EndSessionL

		* Send BYE in an established session.

		* @param aEngine Reference to Engine object.

		*/

		void EndSessionL( CSIPExSIPEngine& aEngine );

		/**

		* ByeReceivedL

		* BYE has been received.

		* @param aEngine Reference to Engine object.

		* @param aTransaction Contains response elements.

		*/

		void ByeReceivedL( CSIPExSIPEngine& aEngine,

						   CSIPServerTransaction& aTransaction );

		/**

		* ResponseReceivedL

		* A SIP response has been received from the network.

		* @param aEngine Reference to Engine object.

		* @param aTransaction Contains response elements.

		*/

		void ResponseReceivedL( CSIPExSIPEngine& aEngine,

								CSIPClientTransaction& aTransaction );

		/**

		* AckReceivedL

		* ACK has been received.

		* @param aEngine Reference to Engine object.

		* @param aTransaction Contains response elements.

		*/

		void AckReceivedL(

						   CSIPExSIPEngine& aEngine,

						   CSIPServerTransaction& aTransaction );

	private:

	    /**

		* C++ default constructor.

		*/

		CSIPExSIPEstablishedState();

	private://data members

		CSIPExSIPStateBase* iTerminatingState;

		CSIPExSIPStateBase* iTerminatedState;

	};

#endif // _SIPEXSIPESTABLISHEDSTATE_H_