// 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 17 for getting mbufs within request size limits

// 

//

#include <e32base.h>

// Test system includes

#include <networking/log.h>

#include <networking/teststep.h>

#include "TestStepCTMbufmgr.h"

#include "TestSuiteCTMbufmgr.h"

#include "test17requestsizelimits.h"

// RHeap information

#include <comms-infras/mbufallocator.h>

CTest17RequestSizeLimits::CTest17RequestSizeLimits()

	{

	iTestStepName = _L("MBufMgrTest17");// Store the name of this test case

	}

CTest17RequestSizeLimits::~CTest17RequestSizeLimits()

	{

	}

void CTest17RequestSizeLimits::FillDes(TDes8 &aBuf, TInt aStartPos, TInt anEndPos, TUint aStartChar, TUint anEndChar)

	{

	StripeDes(aBuf, aStartPos, anEndPos, aStartChar, anEndChar);

	}

enum TVerdict CTest17RequestSizeLimits::doTestStepL(void)

	{

	__UHEAP_MARK;

#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);

	MMBufSizeAllocator* MBufSizeAllocator;

	// Create 262144

	CleanupStack::PushL(CreateInstanceMBufMgrL(KMBufDefaultHeapSize, MBufSizeAllocator));

	// Create some initial pools

	// AddL(KMBuf_MBufSize, KMBuf_InitialAllocation, KMBuf_MinGrowth, KMBuf_GrowthThreshold)

	// Background memory allocation (CMBufPoolManager::RunL) is used more frequently if

	// the KMBuf_MinGrowth and the KMBuf_GrowthThreshold are similar in size

	// Synchronous allocation (AllocPool(*poolChain, growth, ETrue)) occurs when the

	// requested size (iChain.CopyIn(size)) is larger than the KMBuf_MinGrowth

	// Multiple threads attempt to grow different poolchains at the same time when there

	// are a greater variety of pool sizes to grow.

	// 16384

	MBufSizeAllocator->AddL(128,128,64,40);

	// 16384

	MBufSizeAllocator->AddL(256, 64, 7, 6);

	// 16384

	MBufSizeAllocator->AddL(512, 32, 6, 5);

	// 16384

	MBufSizeAllocator->AddL(1024, 16, 5, 4);

	// 16384

	MBufSizeAllocator->AddL(2048, 8, 4, 3);

	RMBufAllocator allocator;

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

	Log(_L("  02 Fill in the Des1 with a pattern:"));

	TBuf8<5000> *aDes1 = NULL;

	TRAPD(ret, aDes1 = new(ELeave) TBuf8<5000>);

	if(ret != KErrNone)

		return EFail;

	aDes1->SetLength(5000);

	FillDes(*aDes1, 0, 5000, 1, 1);

	TBool firstAllocFail = EFalse;

	TBool secondAllocFail = EFalse;

	TBool thirdAllocFail = EFalse;

	TUint time;

	RMBufChain aChain;

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

	Log(_L("  03 Allocate 5000-bytes long RMBufChain with 128-bytes long RMBuf:"));

	time = User::FastCounter();

	ret = aChain.Alloc(5000, 128, 128, allocator);

	time = User::FastCounter() - time;

	if (ret != KErrNone)

		{

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

		User::Leave(EFail);

		}

	//Copy in Des1 into Chain

	aChain.CopyIn(aDes1->LeftTPtr(5000));

	if (aChain.Length() != 5000)

		{

		Log(_L("Error: Allocated RMBufChain size does not match requested:"));

		firstAllocFail = ETrue;

		}

	TInt count = 0;

	//Check RMBuf size is really 128

	RMBuf* mBuf = aChain.First();

	while (mBuf != NULL)

		{

		count++;

		if (mBuf->Size() != 128)

			{

			Log(_L("Error: RMBuf size does not match requested:"));

			firstAllocFail = ETrue;

			break;

			}

		mBuf = mBuf->Next();

		}

	if (firstAllocFail == EFalse)

		{

		_LIT(aLog1, "     Info: Time to allocate 5000-bytes long RMBufChain with %d 128-bytes long RMBuf: %d"); 

		Log(aLog1, count, time);

		}

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

	Log(_L("  04 Deallocating RMBufChain"));

	aChain.Free();

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

	Log(_L("  05 Allocate 50-bytes long RMBufChain with 1024-bytes long RMBuf:"));

	time = User::FastCounter();

	ret = aChain.Alloc(50, 1024, 1024, allocator);

	time = User::FastCounter() - time;

	if (ret != KErrNone)

		{

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

		User::Leave(EFail);

		}

	//Copy in Des1 into Chain

	aChain.CopyIn(aDes1->LeftTPtr(50));

	if (aChain.Length() != 50)

		{

		Log(_L("Error: Allocated RMBufChain size does not match requested:"));

		secondAllocFail = ETrue;

		}

	count = 0;

	//Check RMBuf size is really 1024

	mBuf = aChain.First();

	while (mBuf != NULL)

		{

		count++;

		if (mBuf->Size() != 1024)

			{

			Log(_L("Error: RMBuf size does not match requested:"));

			secondAllocFail = ETrue;

			break;

			}

		mBuf = mBuf->Next();

		}

	if (secondAllocFail == EFalse)

		{

		_LIT(aLog2, "     Info: Time to allocate 50-bytes long RMBufChain with %d 1024-bytes long RMBuf: %d"); 

		Log(aLog2, count, time);

		}

	//-------------- substep 6 --------------------

	Log(_L("  06 Deallocating RMBufChain"));

	aChain.Free();

	//-------------- substep 7 --------------------

	Log(_L("  07 Allocate 1500-bytes long RMBufChain with RMBuf size between 1100 and 2000:"));

	ret = aChain.Alloc(1500, 1100, 2000, allocator);

	if (ret == KErrNone)

		{

		Log(_L("Error: Allocated with false size RMBuf:"));

		thirdAllocFail = ETrue;

		aChain.Free();

		}

	else

		Log(_L("     Info: Couldn't allocate because no MBuf with size between 1100 and 2000:"));

	//-------------- substep 8 --------------------

	Log(_L("  08 Allocate 1500-bytes long RMBufChain with RMBuf min. size 2100:"));

	ret = aChain.Alloc(1500, 2100, allocator);

	if (ret == KErrNone)

		{

		Log(_L("Error: Allocated with false size RMBuf:"));

		thirdAllocFail = ETrue;

		aChain.Free();

		}

	else

		Log(_L("     Info: Couldn't allocate because no MBuf with size greater than 2100:"));

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

	Log(_L("  09 Allocate 1500-bytes long RMBufChain with RMBuf max. size 100:"));

	ret = aChain.Alloc(1500, 0, 100, allocator);

	if (ret == KErrNone)

		{

		Log(_L("Error: Allocated with false size RMBuf:"));

		thirdAllocFail = ETrue;

		aChain.Free();

		}

	else

		Log(_L("     Info: Couldn't allocate because no MBuf with size smaller than 100:"));

	//-------------- substep 10 --------------------

	Log(_L("  10 Exhaust 512-bytes long RMBufChain :"));

	RMBufChain bChain;

	while (allocator.BytesAvailable(512) / 512 > 0)

		{

		ret = aChain.Alloc(500, allocator);

		if (ret != KErrNone)

			{

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

			User::Leave(EFail);

			}

		// Now grow the chain

		bChain.Append(aChain);

		}

	//-------------- substep 11 --------------------

	Log(_L("  15 Allocate 500-bytes long RMBufChain with 512-bytes long RMBuf:"));

	ret = aChain.Alloc(500, 512, 512, allocator);

	if (ret == KErrNone)

		{

		Log(_L("Error: Allocated with false size RMBuf:"));

		thirdAllocFail = ETrue;

		aChain.Free();

		}

	else

		Log(_L("     Info: Couldn't allocate because no more 512-bytes long RMBuf:"));

	//-------------- substep 12 --------------------

	Log(_L("  12 Deallocating RMBufChain"));

	bChain.Free();

	delete aDes1;

	//-------------- substep 13 --------------------

	Log(_L("  13 Clean up stack:"));

    	CleanupStack::PopAndDestroy(iMBMngr);

	CActiveScheduler::Install(NULL);

	CleanupStack::PopAndDestroy(iActSch);

#ifdef __CFLOG_ACTIVE

	__CFLOG_CLOSE;

	__CFLOG_DELETE;

#endif

	if (firstAllocFail || secondAllocFail || thirdAllocFail)

		return EFail;

	__UHEAP_MARKEND;

	return EPass;

	}