sl@0: /*
sl@0: * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "tprimegenperformance.h"
sl@0: #include "t_input.h"
sl@0: #include "t_output.h"
sl@0: #include <bigint.h>
sl@0: 
sl@0: _LIT(KPrimeGenFormat, "\tPrime Generation Time\t%f");
sl@0: 
sl@0: const TUint KMaxIterations=100;
sl@0: 
sl@0: CTestAction* CPrimeGenPerformance::NewL(RFs& aFs, CConsoleBase& aConsole, 
sl@0: 	Output& aOut, const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CTestAction* self = CPrimeGenPerformance::NewLC(aFs, aConsole,
sl@0: 		aOut, aTestActionSpec);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CTestAction* CPrimeGenPerformance::NewLC(RFs& aFs, CConsoleBase& aConsole, 
sl@0: 	Output& aOut, const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CPrimeGenPerformance* self = new(ELeave) CPrimeGenPerformance(aFs, aConsole, aOut);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aTestActionSpec);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CPrimeGenPerformance::~CPrimeGenPerformance()
sl@0: 	{
sl@0: 	delete iBody;
sl@0: 	}
sl@0: 
sl@0: CPrimeGenPerformance::CPrimeGenPerformance(RFs& aFs, CConsoleBase& aConsole, 
sl@0: 	Output& aOut) : CTestAction(aConsole, aOut), iFs(aFs)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CPrimeGenPerformance::ConstructL(const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CTestAction::ConstructL(aTestActionSpec);
sl@0: 	iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());
sl@0: 	iBody->Des().Copy(aTestActionSpec.iActionBody);
sl@0: 
sl@0: 	iBits = Input::ParseIntElement(*iBody, _L8("<bits>"), _L8("</bits>"));
sl@0: 	iIterations = Input::ParseIntElement(*iBody, _L8("<iterations>"), _L8("</iterations>"));	
sl@0: 	__ASSERT_ALWAYS(iIterations < KMaxIterations, User::Panic(_L("Iterations too large"), 1));
sl@0: 	}
sl@0: 
sl@0: void CPrimeGenPerformance::DoPerformPrerequisite(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	iActionState = CTestAction::EAction;
sl@0: 	}
sl@0: 
sl@0: void CPrimeGenPerformance::DoPerformPostrequisite(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	iFinished = ETrue;
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CPrimeGenPerformance::DoReportAction(void)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CPrimeGenPerformance::DoCheckResult(TInt)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CPrimeGenPerformance::PerformAction(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	__UHEAP_MARK;
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	TTime start, end;
sl@0: 	TTimeIntervalSeconds diff(0);
sl@0: 	const TTimeIntervalSeconds iterationTime(iIterations);
sl@0: 	TUint iterations=0;
sl@0: 	
sl@0: 	RInteger prime;
sl@0: 
sl@0: 	start.UniversalTime();
sl@0: 	while (diff < iterationTime)
sl@0: 		{
sl@0: 		prime = RInteger::NewPrimeL(iBits, TInteger::ETopBitSet);
sl@0: 		prime.Close();
sl@0: 		iterations++;
sl@0: 		end.UniversalTime();
sl@0: 		end.SecondsFrom(start, diff);
sl@0: 		}
sl@0: 	end.UniversalTime();
sl@0: 
sl@0: 	TTimeIntervalMicroSeconds time = end.MicroSecondsFrom(start);
sl@0: 	TReal rate = I64REAL(time.Int64()) / iterations;
sl@0:     TReal rtime = I64REAL(time.Int64());
sl@0: 	HBufC* realbuf = HBufC::NewLC(128);
sl@0: 	TPtr buf = realbuf->Des();
sl@0: 
sl@0: 	buf.Format(KPrimeGenFormat, rate, iterations, rtime);
sl@0: 	iOut.writeString(buf);
sl@0: 	iConsole.Printf(_L("."));
sl@0: 	CleanupStack::PopAndDestroy(realbuf);
sl@0: 
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	iActionState = CTestAction::EPostrequisite;
sl@0: 	iResult = ETrue;
sl@0: 	__UHEAP_MARKEND;
sl@0: 	}
sl@0: