cryptoservices/filebasedcertificateandkeystores/source/generic/server/tokenserverdebug.cpp
author asimpson@symbian.org
Thu, 15 Oct 2009 17:48:29 +0100
branchRCL_1
changeset 13 e60b2dbc57a0
parent 0 2c201484c85f
child 8 35751d3474b7
permissions -rw-r--r--
Added tag PDK_2.0.0 for changeset 1d329321bec7
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/*
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* tokenserverdebug.h
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*
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*/
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#ifdef _DEBUG
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#include "tokenserverdebug.h"
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#include <f32file.h>
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TInt TokenServerDebug::iCounter = 0;
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TInt TokenServerDebug::iStartCount = 0;
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TInt TokenServerDebug::iPauseCount = 0;
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TInt TokenServerDebug::iInitialAllocCount = 0;
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_LIT(KHeapErrorFile, "\\fsserver_heap_error");
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void TokenServerDebug::StartOOMTest()
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	{
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	iStartCount = User::CountAllocCells();
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	iCounter = 0;
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	}
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void TokenServerDebug::IncHeapFailPoint()
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	{
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	__UHEAP_FAILNEXT(iCounter);	
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	++iCounter;
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	}
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void TokenServerDebug::ResetHeapFail()
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	{
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	__UHEAP_RESET;
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	}
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void TokenServerDebug::PauseOOMTest()
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	{
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	ASSERT(iPauseCount == 0); // Don't nest
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	if (iCounter)
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		{
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		__UHEAP_RESET;
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		iPauseCount = User::CountAllocCells();
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		}
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	}
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void TokenServerDebug::ResumeOOMTest()
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	{
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	if (iCounter)
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		{
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		ASSERT(iPauseCount > 0);
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		__UHEAP_FAILNEXT(iCounter - (iPauseCount - iStartCount));
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		iPauseCount = 0;
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		}
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	}
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void TokenServerDebug::HeapCheckStart()
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	{
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	iInitialAllocCount = User::CountAllocCells();
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	}
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void TokenServerDebug::HeapCheckEnd()
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	{
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	TInt finalAllocCount = User::CountAllocCells();
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	TRAP_IGNORE(HeapErrorL(finalAllocCount != iInitialAllocCount));
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	// ignore errors
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	}
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/**
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 * Write or delete a file to signify to the test code that there's a memory leak
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 * in the server.  This is unfortunately the best way of doing it since we can't
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 * trap a panic when the server's shutting down.
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 */
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void TokenServerDebug::HeapErrorL(TBool aError)
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	{
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	RFs fs;
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	User::LeaveIfError(fs.Connect());
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	TDriveUnit sysDrive (fs.GetSystemDrive());
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	TDriveName driveName(sysDrive.Name());
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	TFileName heapErrFile (driveName);
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	heapErrFile.Append(KHeapErrorFile);
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	if (aError)
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		{
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		RFile file;
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		TInt err = file.Create(fs, heapErrFile, EFileWrite | EFileShareExclusive);
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		if (err != KErrNone || err != KErrAlreadyExists)
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			{
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			User::Leave(err);
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			}
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		file.Close();
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		}
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	else
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		{
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		TInt err = fs.Delete(heapErrFile);
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		if (err != KErrNone && err != KErrNotFound)
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			{
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			User::Leave(err);
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			}
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		}
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	}
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#endif