// 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:

// Contains MBufMgr Test Step 13 that measures the time spent for alloc/free methods

// 

//

// EPOC includes

#include <e32base.h>

// Test system includes

#ifdef SYMBIAN_OLD_EXPORT_LOCATION

#include "networking/log.h"

#include "networking/teststep.h"

#else

#include <networking/log.h>

#include <networking/teststep.h>

#endif

#include "TestStepCTMbufmgr.h"

#include "TestSuiteCTMbufmgr.h"

#include "Test13Performance.h"

#include <comms-infras/commsbufpond.h>

// constructor

CTest13Performance::CTest13Performance()

	{

	iTestStepName = _L("MBufMgrTest13");// Store the name of this test case

	}

// destructor

CTest13Performance::~CTest13Performance()

	{

	}

//

enum TVerdict CTest13Performance::doTestStepL(void)

	{

	__UHEAP_MARK;

	TInt aMBufNo; //Taken from the script;

	TInt aLoopNo; //Taken from the script;

	TTime aTimeStart, aTimeStop;

	//-------------- substep 0 --------------------

	Log(_L("  00 Read parameters from the script:"));

	TInt bRet = GetIntFromConfig(_L("MBufMgrTest13"), _L("MBufNo"), aMBufNo);

	if (!bRet) return EFail;

	bRet = GetIntFromConfig(_L("MBufMgrTest13"), _L("LoopNo"), aLoopNo);

	if (!bRet) return EFail;

	Log(_L("     Info: MBUFNO = %d, LOOPNO= %d"),aMBufNo, aLoopNo);

#ifdef __CFLOG_ACTIVE

	__CFLOG_CREATEL;

	__CFLOG_OPEN;

#endif

	//-------------- substep 1 --------------------

	Log(_L("  01 Create CMBufManager and install active scheduler:"));

    CleanupStack::PushL( iActSch = new(ELeave) CActiveScheduler );

	CActiveScheduler::Install(iActSch);

	CreateInstanceMBufMgrL((TUint)(3*KMBufSmallSize*aMBufNo));

	CleanupClosePushL(iBufPond);

	TInt i,j,k; //Counters

	TInt64 us;

	RMBufQ aBufList1, aBufList2; //Will contain all small buffers;

	RMBuf* aBuf=0;

	for (i = 0; i<aLoopNo; i++)

		{

		Log(_L(" Loop #%d"), i + 1);

		//-------------- substep 2 --------------------

		Log(_L("  02 Allocate Chain that contains RMBUFNO buffers. Free Chain."));

		Log(_L("     ...Repeat the same 1000 times.Display the time spent:"));

		RMBufChain aChain;

		aTimeStart.UniversalTime();

		for (j = 0;j < 1000; j++)

		{

			TRAPD(ret,aChain.AllocL(KMBufSmallSize*aMBufNo));

			if (ret != KErrNone)

				{

				Log(_L("Error: Couldn't allocate RMBuf:"));

#ifdef __CFLOG_ACTIVE

				__CFLOG_CLOSE;

				__CFLOG_DELETE;

#endif

				User::Leave(EFail);

				}

			aChain.Free();

		}

		aTimeStop.UniversalTime();

		us = aTimeStop.MicroSecondsFrom(aTimeStart).Int64()/1000;

		User::After(100000);

		Log(_L("     ...Info: The time spent on 1000 alloc and free is %d mS"),us);

		//-------------- substep 3 --------------------

		Log(_L("  03 Create %d chains, each containing one RMBuf."), 2 * aMBufNo);

		Log(_L("     ...Then, free all even chains:"));

		aTimeStart.UniversalTime();

		TInt attemptCount = 0;

		for (j = 0;j<2*aMBufNo;j++)

			{

			aBuf = static_cast<RMBuf*>(iBufPond.Alloc(KMBufSmallSize, 0, KMaxTInt));

			if (aBuf == NULL)

				{

				++attemptCount;

				if(attemptCount == 3)

				    {

				Log(_L("Error: Couldn't allocate RMBuf number %d:"),j);

#ifdef __CFLOG_ACTIVE

				__CFLOG_CLOSE;

				__CFLOG_DELETE;

#endif

				User::Leave(EFail);

				    }

				else

				    {

				    User::After(100000);

				    }

				}

			if(aBuf)

			    {

			    aBufList1.Append(aBuf);

			    }

			}

		k=0;

		while (!aBufList1.IsEmpty())

			{

			k++;

			aBuf = aBufList1.Remove();

			if (k%2)

				{

				aBuf->Free();

				}

			else

				{

				aBufList2.Append(aBuf);

				}

			}

		aTimeStop.UniversalTime();

		us = aTimeStop.MicroSecondsFrom(aTimeStart).Int64()/1000;

		Log(_L("     ...Info: The time spent is %d mS"), us);

		//-------------- substep 4 --------------------

		Log(_L("  04 Allocate Chain that contains RMBUFNO buffers. Free Chain."));

		Log(_L("     ...Repeat the same 1000 times.Display the time spent:"));

		aTimeStart.UniversalTime();

		for (j = 0;j < 1000; j++)

		{

			TRAPD(ret,aChain.AllocL(KMBufSmallSize*aMBufNo));

			if (ret != KErrNone)

				{

				Log(_L("Error: Couldn't allocate RMBuf number %d:"),j);

#ifdef __CFLOG_ACTIVE

				__CFLOG_CLOSE;

				__CFLOG_DELETE;

#endif

				User::Leave(EFail);

				}

			aChain.Free();

		}

		aTimeStop.UniversalTime();

		us = aTimeStop.MicroSecondsFrom(aTimeStart).Int64()/1000;

		Log(_L("     ...Info: The time spent on 1000 alloc and free is %d mS"),us);

		//-------------- substep 5 --------------------

		Log(_L("  05 Free all remaining chains:"));

		while (!aBufList2.IsEmpty())

			{

			aBuf = aBufList2.Remove();

			aBuf->Free();

			}

	}

	//-------------- substep 9 --------------------

	Log(_L("  09 Clean up stack:"));

    CleanupStack::PopAndDestroy();

	CActiveScheduler::Install(NULL);

	CleanupStack::PopAndDestroy(iActSch);

#ifdef __CFLOG_ACTIVE

	__CFLOG_CLOSE;

	__CFLOG_DELETE;

#endif

   	__UHEAP_MARKEND;

	return EPass;

	}