// Copyright (c) 2002-2009 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 __LOGSERVOPERATIONBASE_H__

 #define __LOGSERVOPERATIONBASE_H__

 #include <e32base.h>

 #include "LogServDefs.h"

 #include "LogCliServShared.h"

 #include "logpackage.h"

 // Classes referenced

 class MLogServTaskInterface;

 class MLogServOperationManager;

 /**

 Base class for LogEng server operations.

 Maintains a copy of the original RMessage2 object.

 @see MLogServOperationManager

 @see MLogServTaskInterface

 @internalComponent

 */

 class CLogServOperationBase : public CBase

 	{

 public:

 	enum TCompletionStatus

 		{

 		EOperationComplete = 0,

 		EOperationCompleteWaitForClient

 		};

 protected:

 	CLogServOperationBase(MLogServTaskInterface& aTaskInterface, 

                           MLogServOperationManager& aOperationManager, 

                           const RMessage2& aMessage, 

                           CLogPackage& aPackage,

                           const TLogClientServerData& aClientServerData,

                           TLogServSessionId aSessionId);

 public:

 	~CLogServOperationBase();

 public: // FROM CLogServOperationBase

 	virtual void StartL(TRequestStatus& aStatus)=0;

 	virtual void WriteL(const RMessage2& aMessage);

 	virtual TCompletionStatus CompleteProcessingL(TInt aFinalCompletionCode);

 public:

 	void Complete(TInt aCompletionCode);

 	inline const TLogClientServerData& ClientServerData() const;

 	inline void Cancel();

 	inline TBool HaveMessagePointer() const;

 	inline void ClearMessagePointer();

 	inline TLogOperationId Id() const;

 	inline CLogPackage& Package();

 	inline MLogServTaskInterface& TaskInterface() const;

 	inline MLogServOperationManager& OperationManager() const;

 	inline TLogOperationType Type() const;

 	inline TLogServSessionId SessionId();

 	static TUint QueueOffset();

 	inline void SetMessageCompletion(const TBool aMessageCompletion);

 protected:

 	inline RMessage2& Message();

 private:

 	MLogServTaskInterface& iTaskInterface;

 	MLogServOperationManager& iOperationManager;

 	CLogPackage& iPackage;

 	RMessage2 iMessage;

 	TLogClientServerData iClientServerData;

 	TLogServSessionId iSessionId;

 	TSglQueLink iServerLink;

 	TBool iMessageCompletion;

 	};

 #include "LogServOperationBase.inl"

 #endif