/*

* Copyright (c) 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 __TrkTcbSrvSessionEngine_h__

#define __TrkTcbSrvSessionEngine_h__

// System includes

#include <e32base.h>

#include <f32file.h>

// User includes

#include "TrkTcbCmdCodes.h"

// Classes referenced

//

// CTrkTcbSrvSessionEngine (header)

//

//

// The underlying engine used by each session. Manipulates the server-side objects.

//

class CTrkTcbSrvSessionEngine : public CBase

{

	//Static construct and destruct

	public:

		static 	CTrkTcbSrvSessionEngine*	NewL();

				~CTrkTcbSrvSessionEngine();

	//private construct

	private:

				CTrkTcbSrvSessionEngine();

		void	ConstructL();

	//methods implementing the server cmds functionality

	public:	

		void	OpenFileL(const TDesC& aFilePath, TUint aMode, TTime& aModifiedTime);

		void	ReadFileL(TDes8& aFileData);

		void	WriteFileL(const TDesC8& aFileData);

		void	CloseFileL(const TTime& aModifiedTime);

		void    PositionFileL(TSeek aSeek, TInt& aOffset);

	//date members

	private:

		enum TFileState

		{

			EFileOpened = 0,

			EFileReading = 1,

			EFileWriting = 2,

			EFileClosed = 3,

			EFileUnknown = -1		

		};

		RFile iFile;

		RFs iFs;

		TFileState iFileState;

		TUint iMode;

};

#endif