/**

* 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:

* Declaration of CABServer class.

* 

*

*/

/**

 @file

*/

#ifndef __ABSERVER_H__

#define __ABSERVER_H__

#include <e32base.h>

#include <connect/sbtypes.h>

namespace conn

	{

	/** @defgroup ABServer Active Backup Server Documentation

	*/

	/** Constant for defining an unset Secure ID 

	@internalTechnology

	*/

	const TUint32 KNullABSid = 0;

	class CDataOwnerManager;

	class CABSessionMap;

	class CABServer :	public CPolicyServer

	/**

    @internalComponent

	@ingroup ABServer

	Active Backup Server to support Active Backup sessions

	*/

		{

		public:

			~CABServer();

			static CABServer* NewLC(CDataOwnerManager* aDOM);

			void AddSession();

			void DropSession();

			void RemoveElement(TSecureId aSecureId);

			CDataOwnerManager& DataOwnerManager() const;

			void SupplyDataL(TSecureId aSID, TDriveNumber aDriveNumber, TTransferDataType aTransferType, 

				TDesC8& aBuffer, TBool aLastSection, TBool aSuppressInitDataOwner = EFalse, 

				TSecureId aProxySID = KNullABSid);

			void RequestDataL(TSecureId aSID, TDriveNumber aDriveNumber, TTransferDataType aTransferType, 

				TPtr8& aBuffer, TBool& aLastSection, TBool aSuppressInitDataOwner = EFalse, 

				TSecureId aProxySID = KNullABSid);

		    void GetExpectedDataSizeL(TSecureId aSID, TDriveNumber aDriveNumber, TUint& aSize);

		    void AllSnapshotsSuppliedL(TSecureId aSID);

		    TDataOwnerStatus SessionReadyStateL(TSecureId aSID);

		    void RestoreCompleteL(TSecureId aSID, TDriveNumber aDrive);

		    void InvalidateABSessions();//Invalidate the CABSession for each ab client

		private:

			CABServer(CDataOwnerManager* aDOM);

			void ConstructL();

			//

			// From CServer2

			virtual CSession2* NewSessionL(const TVersion& aVersion,

				const RMessage2& aMessage) const;

			TInt RunError(TInt aError);

			void PanicClient(TInt aPanic) const;

		private:

			/** Active client sessions. */

			TInt iSessionCount;

			/** Pointer to the Data Owner Manager */

			CDataOwnerManager* iDOM;

			/** Pointer to the session map */

			CABSessionMap* iSessionMap;

		};

	inline CDataOwnerManager& CABServer::DataOwnerManager() const

	/**

	Return a reference to the data owner manager

	@return Reference to the data owner manager object

	*/

		{

		return *iDOM;

		}

	}

#endif //__ABSERVER_H__