// Copyright (c) 2005-2009 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:

// Name          : TSIPMemAllocFailureSimulation.cpp

// Part of       : SIPServerCore

// Version       : SIP/4.0 

//

#include "TSIPMemAllocFailureSimulation.h"

#include <f32file.h>

_LIT(KIniFileName, "\\sip\\MemAllocFailureSimulation.ini");

const TInt KParamBufferSize = 100;

// -----------------------------------------------------------------------------

// TSIPMemAllocFailureSimulation::Start

// -----------------------------------------------------------------------------

//

TInt TSIPMemAllocFailureSimulation::Start()

	{

	TInt err = KErrNone;

	TBuf8<KParamBufferSize> buf;

	err = ReadParamBufferFromFile(buf);

	if (err != KErrNone) 

        {

        return err;

        }

	TUint type;

	TUint value;

	err = ParseParams(buf,type,value); 

	if (err != KErrNone)

        {

        return err;

        }

	__UHEAP_SETFAIL (static_cast<RHeap::TAllocFail>(type),value);

	return KErrNone;

	}

// -----------------------------------------------------------------------------

// TSIPMemAllocFailureSimulation::Stop

// -----------------------------------------------------------------------------

//

void TSIPMemAllocFailureSimulation::Stop()

	{

	__UHEAP_RESET;

	}

// -----------------------------------------------------------------------------

// TSIPMemAllocFailureSimulation::ReadParamBufferFromFile

// -----------------------------------------------------------------------------

//

TInt TSIPMemAllocFailureSimulation::ReadParamBufferFromFile (TDes8& aDes)

	{

	RFs fileSession;

	TInt err = fileSession.Connect();

	if (err != KErrNone) 

        {

        return err;

        }

	RFile file;

	err = file.Open(fileSession, KIniFileName, EFileRead|EFileShareAny);

	if (err != KErrNone)

		{

		fileSession.Close();

		return err;

		}

	err = file.Read(aDes);

	file.Close();

	fileSession.Close();

	return err;

	}

// -----------------------------------------------------------------------------

// TSIPMemAllocFailureSimulation::ParseParams

// -----------------------------------------------------------------------------

//

TInt TSIPMemAllocFailureSimulation::ParseParams (const TDesC8& aDes,

												 TUint& aType,

												 TUint& aValue)

	{

	TLex8 lex(aDes);

	lex.SkipSpace();

	TInt err = lex.Val(aType);

	if (err != KErrNone)

        {

        return err;

        }

	if (aType > RAllocator::EFailNext) 

        {

        return KErrCorrupt;

        }

	lex.SkipSpace();

	return lex.Val(aValue);

	}