os/security/crypto/weakcryptospi/test/tbigint/tprimegenperformance.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of the License "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description: 
    15 *
    16 */
    17 
    18 
    19 #include "tprimegenperformance.h"
    20 #include "t_input.h"
    21 #include "t_output.h"
    22 #include <bigint.h>
    23 
    24 _LIT(KPrimeGenFormat, "\tPrime Generation Time\t%f");
    25 
    26 const TUint KMaxIterations=100;
    27 
    28 CTestAction* CPrimeGenPerformance::NewL(RFs& aFs, CConsoleBase& aConsole, 
    29 	Output& aOut, const TTestActionSpec& aTestActionSpec)
    30 	{
    31 	CTestAction* self = CPrimeGenPerformance::NewLC(aFs, aConsole,
    32 		aOut, aTestActionSpec);
    33 	CleanupStack::Pop();
    34 	return self;
    35 	}
    36 
    37 CTestAction* CPrimeGenPerformance::NewLC(RFs& aFs, CConsoleBase& aConsole, 
    38 	Output& aOut, const TTestActionSpec& aTestActionSpec)
    39 	{
    40 	CPrimeGenPerformance* self = new(ELeave) CPrimeGenPerformance(aFs, aConsole, aOut);
    41 	CleanupStack::PushL(self);
    42 	self->ConstructL(aTestActionSpec);
    43 	return self;
    44 	}
    45 
    46 CPrimeGenPerformance::~CPrimeGenPerformance()
    47 	{
    48 	delete iBody;
    49 	}
    50 
    51 CPrimeGenPerformance::CPrimeGenPerformance(RFs& aFs, CConsoleBase& aConsole, 
    52 	Output& aOut) : CTestAction(aConsole, aOut), iFs(aFs)
    53 	{
    54 	}
    55 
    56 void CPrimeGenPerformance::ConstructL(const TTestActionSpec& aTestActionSpec)
    57 	{
    58 	CTestAction::ConstructL(aTestActionSpec);
    59 	iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());
    60 	iBody->Des().Copy(aTestActionSpec.iActionBody);
    61 
    62 	iBits = Input::ParseIntElement(*iBody, _L8("<bits>"), _L8("</bits>"));
    63 	iIterations = Input::ParseIntElement(*iBody, _L8("<iterations>"), _L8("</iterations>"));	
    64 	__ASSERT_ALWAYS(iIterations < KMaxIterations, User::Panic(_L("Iterations too large"), 1));
    65 	}
    66 
    67 void CPrimeGenPerformance::DoPerformPrerequisite(TRequestStatus& aStatus)
    68 	{
    69 	TRequestStatus* status = &aStatus;
    70 	User::RequestComplete(status, KErrNone);
    71 	iActionState = CTestAction::EAction;
    72 	}
    73 
    74 void CPrimeGenPerformance::DoPerformPostrequisite(TRequestStatus& aStatus)
    75 	{
    76 	TRequestStatus* status = &aStatus;
    77 	iFinished = ETrue;
    78 	User::RequestComplete(status, KErrNone);
    79 	}
    80 
    81 void CPrimeGenPerformance::DoReportAction(void)
    82 	{
    83 	}
    84 
    85 void CPrimeGenPerformance::DoCheckResult(TInt)
    86 	{
    87 	}
    88 
    89 void CPrimeGenPerformance::PerformAction(TRequestStatus& aStatus)
    90 	{
    91 	__UHEAP_MARK;
    92 	TRequestStatus* status = &aStatus;
    93 	TTime start, end;
    94 	TTimeIntervalSeconds diff(0);
    95 	const TTimeIntervalSeconds iterationTime(iIterations);
    96 	TUint iterations=0;
    97 	
    98 	RInteger prime;
    99 
   100 	start.UniversalTime();
   101 	while (diff < iterationTime)
   102 		{
   103 		prime = RInteger::NewPrimeL(iBits, TInteger::ETopBitSet);
   104 		prime.Close();
   105 		iterations++;
   106 		end.UniversalTime();
   107 		end.SecondsFrom(start, diff);
   108 		}
   109 	end.UniversalTime();
   110 
   111 	TTimeIntervalMicroSeconds time = end.MicroSecondsFrom(start);
   112 	TReal rate = I64REAL(time.Int64()) / iterations;
   113     TReal rtime = I64REAL(time.Int64());
   114 	HBufC* realbuf = HBufC::NewLC(128);
   115 	TPtr buf = realbuf->Des();
   116 
   117 	buf.Format(KPrimeGenFormat, rate, iterations, rtime);
   118 	iOut.writeString(buf);
   119 	iConsole.Printf(_L("."));
   120 	CleanupStack::PopAndDestroy(realbuf);
   121 
   122 	User::RequestComplete(status, KErrNone);
   123 	iActionState = CTestAction::EPostrequisite;
   124 	iResult = ETrue;
   125 	__UHEAP_MARKEND;
   126 	}
   127