// Copyright (c) 2001-2009 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 definition of CTestStepCTMbufmgr which is the base class

// for all the Mbufmgr Test Step classes

//

// Test system includes

#include <networking/log.h>

#include <networking/teststep.h>

#include "TestStepCTMbufmgr.h"

#include "TestSuiteCTMbufmgr.h"

#include <networking/testsuite.h>

// constructor

CTestStepCTMbufmgr::CTestStepCTMbufmgr()

	{

	}

// destructor

CTestStepCTMbufmgr::~CTestStepCTMbufmgr()

	{

	}

void CTestStepCTMbufmgr::StripeMem(TUint8 *aBuf,

								   TInt aStartPos,

								   TInt anEndPos,

								   TUint aStartChar,

								   TUint anEndChar)

	{

	TUint character=aStartChar;

	for (TInt i=aStartPos;i<anEndPos;i++)

		{

		aBuf[i]=(TText8)character;

		if(++character>anEndChar) character=aStartChar;

		}

	}

void CTestStepCTMbufmgr::StripeDes(TDes8 &aBuf,

								   TInt aStartPos,

								   TInt anEndPos,

								   TUint aStartChar,

								   TUint anEndChar)

// Mark a buffer with repeating byte pattern

	{

	__ASSERT_ALWAYS(aStartChar<=anEndChar, User::Panic(_L("MBufTest"),0));

	__ASSERT_ALWAYS(aStartPos<=anEndPos, User::Panic(_L("MBufTest"),0));

	__ASSERT_ALWAYS(anEndPos<=aBuf.Length(), User::Panic(_L("MBufTest"),0));

	StripeMem((TUint8 *)aBuf.Ptr(), aStartPos, anEndPos, aStartChar, anEndChar);

	}

// create an mbuf manager instance with some arbitrary default mbuf size alloc info

// - refer CMBufManager::NewL notes regarding explaination of why this is deliberately not done within the mbuf manager

static const TInt KMBuf_MBufSize = 128;

static const TInt KMBuf_MinGrowth = 64;

static const TInt KMBuf_GrowthThreshold = 40;

#define SYMBIAN_MBUFMGR_BACKGROUND_ALLOCATION

#ifndef SYMBIAN_MBUFMGR_BACKGROUND_ALLOCATION

static const TInt KMBuf_InitialAllocation = 128;

#endif

CMBufManager * CTestStepCTMbufmgr::CreateInstanceMBufMgrL(TInt aMaxHeapSize)

	{

	MMBufSizeAllocator* mbufSizeAllocator;

	CMBufManager* mngr;

	mngr = CreateInstanceMBufMgrL(aMaxHeapSize, mbufSizeAllocator);

	if (iMBMngr)

			{

#ifdef SYMBIAN_MBUFMGR_BACKGROUND_ALLOCATION

			// this method used for tests that dont do background allocation so make the

			// pool big enough to fill the heap

			mbufSizeAllocator->AddL(KMBuf_MBufSize, (aMaxHeapSize/(KMBuf_MBufSize+sizeof(RMBuf)))-1, KMBuf_MinGrowth, KMBuf_GrowthThreshold);

#else

			mbufSizeAllocator->AddL(KMBuf_MBufSize, KMBuf_InitialAllocation, KMBuf_MinGrowth, KMBuf_GrowthThreshold);

#endif

			}

	return mngr;

	}

CMBufManager * CTestStepCTMbufmgr::CreateInstanceMBufMgrL(TInt aMaxHeapSize, MMBufSizeAllocator* &aMBufSizeAllocator)

	{

	__ASSERT_ALWAYS(aMaxHeapSize >= 0, User::Panic(_L("MBufTest"),0));

	iMBMngr = CMBufManager::NewL(aMaxHeapSize, aMBufSizeAllocator);

	return iMBMngr;

	}