/*

* Copyright (c) 2005 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:  

*    Active object and base class for subclasses implementing a SUPL session 

*    request cycle.

*

*/

#ifndef __CSuplSessionRequest_H__

#define __CSuplSessionRequest_H__

// INCLUDE FILES

#include <e32base.h>

#include <lbspositioninfo.h>

#include <epos_suplterminalqop.h>

#include <epos_suplterminaltrigger.h>

// CONSTANT DECLARATIONS

// FORWARD DECLARATIONS

class MSuplSessionObserver;

class MNetInitiatedObserver;

class CSuplSessionManager;

class CSuplSessionBase;

// CLASS DECLARATION

/**

*    Active object implementing a position request cycle. Handles

*    activities such as controlling logging and verifying privacy.

*

*/

class CSuplSessionRequest : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CSuplSessionRequest* NewL(CSuplSessionManager& aSessnMgr, CSuplSessionBase* aSuplSessn, MSuplSessionObserver* aObserver);

        static CSuplSessionRequest* NewL(CSuplSessionManager& aSessnMgr, CSuplSessionBase* aSuplSessn, MNetInitiatedObserver* aObserver);

        /**

        * Destructor.

        */

        virtual ~CSuplSessionRequest();

    public:  // New functions

        /**

        * Starts a SUPL session request cycle. 

        * @param aMessage the request message from the client

        */

        void MakeSuplSessionRequestL(CSuplSessionBase* aSuplSessn, TInt aSetCaps, TInt aReqId, TBool aFirstReq);

        void MakeSuplSessionRequestL(CSuplSessionBase* aSuplSessn, TInt aSetCaps, TInt aReqId, TSuplTerminalQop& aQop, TBool aFirstReq);

        void MakeSuplSessionRequestL(CSuplSessionBase* aSuplSessn, const TDesC& aHslpAddress, TBool aFallBack, TInt aSetCaps, TInt aReqId, TBool aFirstReq);

        void MakeSuplSessionRequestL(CSuplSessionBase* aSuplSessn, const TDesC& aHslpAddress, TBool aFallBack, TInt aSetCaps, TInt aReqId, TSuplTerminalQop& aQop, TBool aFirstReq);

		void MakeSuplSessionTriggerringRequestL(

				CSuplSessionBase* aSuplSessn, 

				TSuplTerminalPeriodicTrigger& aPTrigger,

				TInt aSetCaps, 

				TInt aReqId 

			);

		void MakeSuplSessionTriggerringRequestL(

				CSuplSessionBase* aSuplSessn, 

				TSuplTerminalPeriodicTrigger& aPTrigger,

				const TDesC& aHslpAddress, 

				TBool aFallBack,

				TInt aSetCaps, 

				TInt aReqId

			);

		void NotifyTriggerFiredRequestL(

				CSuplSessionBase* aSuplSessn, 

				TSuplTriggerFireInfo& aFireInfo

			);

        /**

        * Called when the server class is shutting down.

        */

        void NotifyServerShutdown();

		void ForwardMessageRequestL(CSuplSessionBase* aSuplSessn,TInt aHandle,HBufC8* clientBuf);

		void CancelRunSessionRequest();

		void CancelTriggerringRequest();

		void ProtocolHUnloaded();

		void ReIssueRequestL();

    protected:  // From CActive

        void RunL();

        TInt RunError(TInt aError);

        void DoCancel();

    private:

        CSuplSessionRequest(CSuplSessionManager& aSessnMgr, CSuplSessionBase* aSuplSessn, MSuplSessionObserver* aObserver);

		CSuplSessionRequest(CSuplSessionManager& aSessnMgr, CSuplSessionBase* aSuplSessn, MNetInitiatedObserver* aObserver);

        void ConstructL();

        // By default, prohibit copy constructor

        CSuplSessionRequest( const CSuplSessionRequest& );

        // Prohibit assigment operator

        CSuplSessionRequest& operator= ( const CSuplSessionRequest& );

 		void CompleteSelf(TInt aReason);

    private:  // Data

        enum TSuplRequestStage

            {

            ESuplReqInactive = 0,

            ESuplSessionRequest,

            ESuplCancelRunSessionRequest,

            ESuplForwardMessage,

            ESuplStartTriggerRequest,            

            ESuplStopTriggerRequest,

            ESuplTriggerFiredNotifyRequest,

			ESuplWaitingToRetrySession,

            };

	 TSuplRequestStage           iRequestPhase;

     HBufC8*                     iPositionBuffer;

     MSuplSessionObserver* 	     iObserver;

     MNetInitiatedObserver*		 iNetObserver;

  	 CSuplSessionManager& 		 iSessnMgr;

	 CSuplSessionBase*			 iSuplSessn;

	 TInt iHandle;

	 CSuplSessionBase* iParamSuplSessn;

	 TInt iParamSetCaps;

	 TInt iParamReqId;

	 TBool iParamFallback;

	 TBool iParamFirstReq;

	 TBool iParamExtendedQopUsed;

	 TSuplTerminalQop iParamQop;

	 HBufC* iParamExtendedFallback;

    };  

#endif  // __CSuplSessionRequest_H__

// End of File