// 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();

protected:

	inline RMessage2& Message();

private:

	MLogServTaskInterface& iTaskInterface;

	MLogServOperationManager& iOperationManager;

	CLogPackage& iPackage;

	RMessage2 iMessage;

	TLogClientServerData iClientServerData;

	TLogServSessionId iSessionId;

	TSglQueLink iServerLink;

	};

#include "LogServOperationBase.inl"

#endif