/*

* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

#include "tprimevectorperformance.h"

#include "t_input.h"

#include "t_output.h"

#include <bigint.h>

_LIT(KPrimeVectorFormat, "\tPrime Vector Primality Test Time: %f us/iteration (%i iterations in %f us)\r\n");

CTestAction* CPrimeVectorPerformance::NewL(RFs& aFs, CConsoleBase& aConsole, 

	Output& aOut, const TTestActionSpec& aTestActionSpec)

	{

	CTestAction* self = CPrimeVectorPerformance::NewLC(aFs, aConsole,

		aOut, aTestActionSpec);

	CleanupStack::Pop();

	return self;

	}

CTestAction* CPrimeVectorPerformance::NewLC(RFs& aFs, CConsoleBase& aConsole, 

	Output& aOut, const TTestActionSpec& aTestActionSpec)

	{

	CPrimeVectorPerformance* self = new(ELeave) CPrimeVectorPerformance(aFs, aConsole, aOut);

	CleanupStack::PushL(self);

	self->ConstructL(aTestActionSpec);

	return self;

	}

CPrimeVectorPerformance::~CPrimeVectorPerformance()

	{

	delete iBody;

	}

CPrimeVectorPerformance::CPrimeVectorPerformance(RFs& aFs, CConsoleBase& aConsole, 

	Output& aOut) : CTestAction(aConsole, aOut), iFs(aFs)

	{

	}

void CPrimeVectorPerformance::ConstructL(const TTestActionSpec& aTestActionSpec)

	{

	CTestAction::ConstructL(aTestActionSpec);

	iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());

	iBody->Des().Copy(aTestActionSpec.iActionBody);

	HBufC8* buf = Input::ParseElementHexL(*iBody, _L8("<prime>"));

	CleanupStack::PushL(buf);

	iPrime = RInteger::NewL(*buf);

	CleanupStack::PopAndDestroy(buf);

	iIterations = Input::ParseIntElement(*iBody, _L8("<iterations>"), _L8("</iterations>"));	

	}

void CPrimeVectorPerformance::DoPerformPrerequisite(TRequestStatus& aStatus)

	{

	TRequestStatus* status = &aStatus;

	User::RequestComplete(status, KErrNone);

	iActionState = CTestAction::EAction;

	}

void CPrimeVectorPerformance::DoPerformPostrequisite(TRequestStatus& aStatus)

	{

	TRequestStatus* status = &aStatus;

	iFinished = ETrue;

	User::RequestComplete(status, KErrNone);

	}

void CPrimeVectorPerformance::DoReportAction(void)

	{

	}

void CPrimeVectorPerformance::DoCheckResult(TInt)

	{

	}

void CPrimeVectorPerformance::PerformAction(TRequestStatus& aStatus)

	{

	__UHEAP_MARK;

	TRequestStatus* status = &aStatus;

	TTime start, end;

	TTimeIntervalSeconds diff(0);

	const TTimeIntervalSeconds iterationTime(iIterations);

	TUint iterations = 0;	

	iResult = ETrue;

	start.UniversalTime();

	while (diff < iterationTime)

		{

		iResult = iPrime.IsPrimeL();

		if(!iResult)

			break;

		iterations++;

		end.UniversalTime();

		end.SecondsFrom(start, diff);

		}

	end.UniversalTime();

	TTimeIntervalMicroSeconds time = end.MicroSecondsFrom(start);

	TReal rate = I64REAL(time.Int64()) / iterations;

	TReal rtime = I64REAL(time.Int64());

	HBufC* realbuf = HBufC::NewLC(128);

	TPtr buf = realbuf->Des();

	buf.Format(KPrimeVectorFormat, rate, iterations, rtime);

	iOut.writeString(buf);

	iConsole.Printf(_L("."));

	CleanupStack::PopAndDestroy(realbuf);

	User::RequestComplete(status, KErrNone);

	iActionState = CTestAction::EPostrequisite;

	__UHEAP_MARKEND;

	}