/*

* Copyright (c) 2010 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 CSTRESSWORKER_H_

#define CSTRESSWORKER_H_

#include <e32base.h>

class CWorker;

class MLog; 

class CStressWorker : public CBase

	{

public:

	CStressWorker( MLog& aLog, 	

				   TInt aPreIndex, 

				   TInt aIndexAverageItems,

				   TBool aIndexingEnabled,

				   TBool aDeletesEnabled, 

				   TBool aSearchersEnabled, 

				   TBool aCancellingEnabled, 

				   TInt aIndexerSleep, 

				   TInt aSearcherSleep ); 

	~CStressWorker(); 

	void ConstructL(); 

	void StartWorkersL(); 

	void PrepareIndexL(); 

	void StartL(); 

	void DoFinishL();

	TBool ReportL(); 

	void AppendStatsLabelsL( RPointerArray<HBufC8>& aStats );

	void AppendStatsL( RPointerArray<HBufC8>& aStats );

	TInt Finish(); 

	TBool IsActive(); 

protected: 

	void AppendOpStatsL( RPointerArray<HBufC8>& aStats, 

						 TInt aOperations, 

						 TInt64 aOperationsMicroSeconds ); 

	void AppendOpStatsL( RPointerArray<HBufC8>& aStats, 

						TInt aOperations, 

						TInt64 aOperationsMicroSeconds, 

						TInt64 aOperationsPeakMicroSeconds ); 

	/**

	 * This is called, after the workers have been locked. The information 

	 * about, which workers were successfully locked, is stored

	 * in aLocked variable. 

	 */

	void AppendStatsInsideLocksL( RPointerArray<HBufC8>& aStats, const RArray<TBool>& aLocked ); 

	/**

	 * Calculates the size of directory

	 */

	TInt DirectorySizeL( const TDesC& aDirectory );

	/**

	 * Calculates the size of index. 

	 */

	TInt IndexSizeL( const TDesC& aDirectory );

private: // State  

	MLog& iLog; 

    RPointerArray<CWorker> iWorkers; 

    TBool iIsActive;

private: // Configuration

	TInt iPreIndex;

	TInt iIndexAverageItems; 

	TBool iIndexingEnabled;

	TBool iDeletesEnabled;

	TBool iSearchersEnabled;

	TBool iCancellingEnabled;

	TInt iIndexerSleep; 

	TInt iSearcherSleep; 

	};

#endif /* CSTRESSWORKER_H_ */