cryptoservices/filebasedcertificateandkeystores/source/generic/server/tokenserverdebug.cpp
changeset 0 2c201484c85f
child 8 35751d3474b7
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     1 /*
       
     2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 * tokenserverdebug.h
       
    16 *
       
    17 */
       
    18 
       
    19  
       
    20 #ifdef _DEBUG
       
    21 
       
    22 #include "tokenserverdebug.h"
       
    23 #include <f32file.h>
       
    24 
       
    25 TInt TokenServerDebug::iCounter = 0;
       
    26 TInt TokenServerDebug::iStartCount = 0;
       
    27 TInt TokenServerDebug::iPauseCount = 0;
       
    28 TInt TokenServerDebug::iInitialAllocCount = 0;
       
    29 
       
    30 _LIT(KHeapErrorFile, "\\fsserver_heap_error");
       
    31 
       
    32 void TokenServerDebug::StartOOMTest()
       
    33 	{
       
    34 	iStartCount = User::CountAllocCells();
       
    35 	iCounter = 0;
       
    36 	}
       
    37 
       
    38 void TokenServerDebug::IncHeapFailPoint()
       
    39 	{
       
    40 	__UHEAP_FAILNEXT(iCounter);	
       
    41 	++iCounter;
       
    42 	}
       
    43 
       
    44 void TokenServerDebug::ResetHeapFail()
       
    45 	{
       
    46 	__UHEAP_RESET;
       
    47 	}
       
    48 
       
    49 void TokenServerDebug::PauseOOMTest()
       
    50 	{
       
    51 	ASSERT(iPauseCount == 0); // Don't nest
       
    52 	if (iCounter)
       
    53 		{
       
    54 		__UHEAP_RESET;
       
    55 		iPauseCount = User::CountAllocCells();
       
    56 		}
       
    57 	}
       
    58 
       
    59 void TokenServerDebug::ResumeOOMTest()
       
    60 	{
       
    61 	if (iCounter)
       
    62 		{
       
    63 		ASSERT(iPauseCount > 0);
       
    64 		__UHEAP_FAILNEXT(iCounter - (iPauseCount - iStartCount));
       
    65 		iPauseCount = 0;
       
    66 		}
       
    67 	}
       
    68 
       
    69 void TokenServerDebug::HeapCheckStart()
       
    70 	{
       
    71 	iInitialAllocCount = User::CountAllocCells();
       
    72 	}
       
    73 
       
    74 void TokenServerDebug::HeapCheckEnd()
       
    75 	{
       
    76 	TInt finalAllocCount = User::CountAllocCells();
       
    77 	TRAP_IGNORE(HeapErrorL(finalAllocCount != iInitialAllocCount));
       
    78 	// ignore errors
       
    79 	}
       
    80 
       
    81 /**
       
    82  * Write or delete a file to signify to the test code that there's a memory leak
       
    83  * in the server.  This is unfortunately the best way of doing it since we can't
       
    84  * trap a panic when the server's shutting down.
       
    85  */
       
    86 void TokenServerDebug::HeapErrorL(TBool aError)
       
    87 	{
       
    88 	RFs fs;
       
    89 	User::LeaveIfError(fs.Connect());
       
    90 	
       
    91 	TDriveUnit sysDrive (fs.GetSystemDrive());
       
    92 	TDriveName driveName(sysDrive.Name());
       
    93 	TFileName heapErrFile (driveName);
       
    94 	heapErrFile.Append(KHeapErrorFile);
       
    95 	
       
    96 	if (aError)
       
    97 		{
       
    98 		RFile file;
       
    99 		TInt err = file.Create(fs, heapErrFile, EFileWrite | EFileShareExclusive);
       
   100 		if (err != KErrNone || err != KErrAlreadyExists)
       
   101 			{
       
   102 			User::Leave(err);
       
   103 			}
       
   104 		file.Close();
       
   105 		}
       
   106 	else
       
   107 		{
       
   108 		TInt err = fs.Delete(heapErrFile);
       
   109 		if (err != KErrNone && err != KErrNotFound)
       
   110 			{
       
   111 			User::Leave(err);
       
   112 			}
       
   113 		}
       
   114 	}
       
   115 
       
   116 #endif