os/kernelhwsrv/userlibandfileserver/fileserver/sfile/sf_debug.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/userlibandfileserver/fileserver/sfile/sf_debug.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,600 @@
     1.4 +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// f32\sfile\sf_debug.cpp
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#include "sf_std.h"
    1.22 +#include <f32dbg.h>
    1.23 +#include "f32image.h"
    1.24 +#include <F32plugin.h>
    1.25 +#include "sf_file_cache.h"
    1.26 +
    1.27 +
    1.28 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
    1.29 +
    1.30 +//
    1.31 +// ONLY INCLUDED IN DEBUG BUILDS
    1.32 +//
    1.33 +
    1.34 +void PrintHeapSize(const TDesC& aMessage)
    1.35 +//
    1.36 +// Display the total memory available
    1.37 +//
    1.38 +	{
    1.39 +
    1.40 +	TInt biggest;
    1.41 +	TInt heapSize = User::Allocator().Available(biggest);
    1.42 +	RDebug::Print(_L("%S size=0x%x largest cell=0x%x"),&aMessage,heapSize,biggest);
    1.43 +	}
    1.44 +
    1.45 +static void SetAllocFailure(const RMessage2* aMessage)
    1.46 +//
    1.47 +// Set alloc failure after allocCount allocations
    1.48 +//
    1.49 +	{
    1.50 +
    1.51 +	UserHeapAllocFailCount=aMessage->Int1();
    1.52 +	KernHeapAllocFailCount=UserHeapAllocFailCount;
    1.53 +	if (UserHeapAllocFailCount>=0)
    1.54 +		{
    1.55 +		__UHEAP_FAILNEXT(UserHeapAllocFailCount);
    1.56 +		__KHEAP_FAILNEXT(KernHeapAllocFailCount);
    1.57 +		}
    1.58 +	else
    1.59 +		{
    1.60 +		__UHEAP_RESET;
    1.61 +		__KHEAP_RESET;
    1.62 +		}	
    1.63 +	}
    1.64 +
    1.65 +TInt FsDebugFunction(CFsRequest* aRequest)
    1.66 +//
    1.67 +// SetAllocFailure - Set alloc failure after allocCount allocations
    1.68 +// SetErrorCondition - Set simulated error failure
    1.69 +// SetDebugRegister - Trigger tracing output
    1.70 +// DebugNotify - Request notification of a file server event - .FSY specific
    1.71 +//
    1.72 +	{
    1.73 +
    1.74 +	TInt r=KErrNone;
    1.75 +	const RMessage2* message=&(aRequest->Message());
    1.76 +	switch (message->Int0())
    1.77 +		{
    1.78 +	case EFsSetAllocFailure: 
    1.79 +		SetAllocFailure(message); 
    1.80 +		break;
    1.81 +	case EFsSetErrorCondition:
    1.82 +		ErrorCondition=message->Int1();
    1.83 +		ErrorCount=message->Int2();
    1.84 +		break;
    1.85 +	case EFsSetDebugRegister:
    1.86 +		DebugReg=message->Int1();
    1.87 +		break;
    1.88 +	case EFsDebugNotify:
    1.89 +		{
    1.90 +		TUint notifyType=(aRequest->Message().Int2())&KDebugNotifyMask;
    1.91 +		if (notifyType)
    1.92 +			{
    1.93 +			CDebugChangeInfo* info=new CDebugChangeInfo;
    1.94 +			if(!info)
    1.95 +				return(KErrNoMemory);
    1.96 +			const RMessage2& m=aRequest->Message();
    1.97 +			info->Initialise(notifyType,(TRequestStatus*)m.Ptr3(),m,aRequest->Session());
    1.98 +			r=FsNotify::AddDebug(info);
    1.99 +			if(r!=KErrNone)
   1.100 +				delete(info);
   1.101 +			else
   1.102 +				aRequest->SetCompleted(EFalse);
   1.103 +			}
   1.104 +		else
   1.105 +			r=KErrArgument;
   1.106 +		break;
   1.107 +		}
   1.108 +	default:
   1.109 +		break;
   1.110 +		};
   1.111 +	return(r);
   1.112 +	}
   1.113 +
   1.114 +TBool SimulateError(const RMessage2* aMessage)
   1.115 +//
   1.116 +// Return an error message if ErrorCount<=0
   1.117 +//
   1.118 +	{
   1.119 +	TInt function = aMessage->Function() & KIpcFunctionMask;
   1.120 +	
   1.121 +	if (ErrorCondition!=KErrNone && 
   1.122 +		(
   1.123 +		function!=EFsDebugFunction || aMessage->Int0()!=EFsSetErrorCondition) &&
   1.124 +		function!=EFsNotifyChangeCancel &&
   1.125 +		function!=EFsNotifyChangeCancelEx &&
   1.126 +		function!=EFsNotifyDiskSpaceCancel &&
   1.127 +		function!=EFsFormatSubClose && 
   1.128 +		function!=EFsDirSubClose  && 
   1.129 +		function!=EFsFileSubClose && 
   1.130 +		function!=EFsRawSubClose &&
   1.131 +		function!=EFsUnclamp &&
   1.132 +
   1.133 +        //-- this operation must not fail. It can only fail if the client's thread has died.
   1.134 +        //-- in this case whole session will be cleaned up.
   1.135 +		function!=EFsFileAdopt 
   1.136 +        )
   1.137 +		{
   1.138 +		if (ErrorCount<=0)
   1.139 +			return(ETrue);
   1.140 +		ErrorCount--;
   1.141 +		}
   1.142 +	return(EFalse);
   1.143 +	}
   1.144 +
   1.145 +
   1.146 +TPtrC GetFunctionName(TInt aFunction)
   1.147 +//
   1.148 +// Print number of alloc fails to complete a given function
   1.149 +//
   1.150 +	{
   1.151 +
   1.152 +	switch (aFunction)
   1.153 +		{
   1.154 +	case EFsDebugFunction: return _L("EFsDebugFunction");
   1.155 +	case EFsAddFileSystem: return _L("EFsAddFileSystem");
   1.156 +	case EFsRemoveFileSystem: return _L("EFsRemoveFileSystem");
   1.157 +	case EFsMountFileSystem: return _L("EFsMountFileSystem");
   1.158 +	case EFsNotifyChange: return _L("EFsNotifyChange");
   1.159 +	case EFsNotifyChangeCancel: return _L("EFsNotifyChangeCancel");
   1.160 +	case EFsDriveList: return _L("EFsDriveList");
   1.161 +	case EFsDrive: return _L("EFsDrive");
   1.162 +	case EFsVolume: return _L("EFsVolume");
   1.163 +	case EFsSetVolume: return _L("EFsSetVolume");
   1.164 +	case EFsSubst: return _L("EFsSubst");
   1.165 +	case EFsSetSubst: return _L("EFsSetSubst");
   1.166 +	case EFsRealName: return _L("EFsRealName");
   1.167 +	case EFsDefaultPath: return _L("EFsDefaultPath");
   1.168 +	case EFsSetDefaultPath: return _L("EFsSetDefaultPath");
   1.169 +	case EFsSessionPath: return _L("EFsSessionPath");
   1.170 +	case EFsSetSessionPath: return _L("EFsSetSessionPath");
   1.171 +	case EFsMkDir: return _L("EFsMkDir");
   1.172 +	case EFsRmDir: return _L("EFsRmDir");
   1.173 +	case EFsParse: return _L("EFsParse");
   1.174 +	case EFsDelete: return _L("EFsDelete");
   1.175 +	case EFsRename: return _L("EFsRename");
   1.176 +	case EFsReplace: return _L("EFsReplace");
   1.177 +	case EFsEntry: return _L("EFsEntry");
   1.178 +	case EFsSetEntry: return _L("EFsSetEntry");
   1.179 +	case EFsGetDriveName: return _L("EFsGetDriveName");
   1.180 +	case EFsSetDriveName: return _L("EFsSetDriveName");
   1.181 +	case EFsFormatSubClose: return _L("EFsFormatSubClose");
   1.182 +	case EFsDirSubClose: return _L("EFsDirSubClose");
   1.183 +	case EFsFileSubClose: return _L("EFsFileSubClose");
   1.184 +	case EFsRawSubClose: return _L("EFsRawSubClose");
   1.185 +	case EFsFileOpen: return _L("EFsFileOpen");
   1.186 +	case EFsFileCreate: return _L("EFsFileCreate");
   1.187 +	case EFsFileReplace: return _L("EFsFileReplace");
   1.188 +	case EFsFileTemp: return _L("EFsFileTemp");
   1.189 +	case EFsFileRead: return _L("EFsFileRead");
   1.190 +	case EFsFileWrite: return _L("EFsFileWrite");
   1.191 +	case EFsFileLock: return _L("EFsFileLock");
   1.192 +	case EFsFileUnLock: return _L("EFsFileUnLock");
   1.193 +	case EFsFileSeek: return _L("EFsFileSeek");
   1.194 +	case EFsFileFlush: return _L("EFsFileFlush");
   1.195 +	case EFsFileSize: return _L("EFsFileSize");
   1.196 +	case EFsFileSetSize: return _L("EFsFileSetSize");
   1.197 +	case EFsFileAtt: return _L("EFsFileAtt");
   1.198 +	case EFsFileSetAtt: return _L("EFsFileSetAtt");
   1.199 +	case EFsFileModified: return _L("EFsFileModified");
   1.200 +	case EFsFileSetModified: return _L("EFsFileSetModified");
   1.201 +	case EFsFileSet: return _L("EFsFileSet");
   1.202 +	case EFsFileChangeMode: return _L("EFsFileChangeMode");
   1.203 +	case EFsFileRename: return _L("EFsFileRename");
   1.204 +	case EFsDirOpen: return _L("EFsDirOpen");
   1.205 +	case EFsDirReadOne: return _L("EFsDirReadOne");
   1.206 +	case EFsDirReadPacked: return _L("EFsDirReadPacked");
   1.207 +	case EFsFormatOpen: return _L("EFsFormatOpen");
   1.208 +	case EFsFormatNext: return _L("EFsFormatNext");
   1.209 +	case EFsRawDiskOpen: return _L("EFsRawDiskOpen");
   1.210 +	case EFsRawDiskRead: return _L("EFsRawDiskRead");
   1.211 +	case EFsRawDiskWrite: return _L("EFsRawDiskWrite");
   1.212 +	case EFsResourceCountMarkStart: return _L("EFsResourceCountMarkStart");
   1.213 +	case EFsResourceCountMarkEnd: return _L("EFsResourceCountMarkEnd");
   1.214 +	case EFsResourceCount: return _L("EFsResourceCount");
   1.215 +	case EFsCheckDisk: return _L("EFsCheckDisk");
   1.216 +	case EFsGetShortName: return _L("EFsGetShortName");
   1.217 +	case EFsGetLongName: return _L("EFsGetLongName");
   1.218 +	case EFsIsFileOpen: return _L("EFsIsFileOpen");
   1.219 +	case EFsListOpenFiles: return _L("EFsListOpenFiles");
   1.220 +	case EFsSetNotifyUser: return _L("EFsSetNotifyUser");
   1.221 +	case EFsIsFileInRom: return _L("EFsIsFileInRom");
   1.222 +	case EFsGetNotifyUser: return _L("EFsGetNotifyUser");
   1.223 +	case EFsIsValidName: return _L("EFsIsValidName");
   1.224 +	case EFsReadFileSection: return _L("EFsReadFileSection");
   1.225 +	case EFsNotifyChangeEx: return _L("EFsNotifyChangeEx");
   1.226 +	case EFsNotifyChangeCancelEx: return _L("EFsNotifyChangeCancelEx");
   1.227 +	case EFsDismountFileSystem: return _L("EFsDismountFileSystem");
   1.228 +	case EFsFileSystemName: return _L("EFsFileSystemName");
   1.229 +	case EFsScanDrive: return _L("EFsScanDrive");
   1.230 +	case EFsControlIo: return _L("EFsControlIo");
   1.231 +	case EFsLockDrive: return _L("EFsLockDrive");
   1.232 +	case EFsUnlockDrive: return _L("EFsUnlockDrive");
   1.233 +	case EFsClearPassword: return _L("EFsClearPassword");
   1.234 +	case EFsNotifyDiskSpace: return _L("EFsNotifyDiskSpace");
   1.235 +	case EFsNotifyDiskSpaceCancel: return _L("EFsNotifyDiskSpaceCancel");
   1.236 +	case EFsMountFileSystemScan: return _L("EFsMountFileSystemScan");
   1.237 +	case EFsSessionToPrivate: return _L("EFsSessionToPrivate");
   1.238 +	case EFsPrivatePath: return _L("EFsPrivatePath");
   1.239 +	case EFsCreatePrivatePath: return _L("EFsCreatePrivatePath");
   1.240 +	case EFsFileDrive: return _L("EFsFileDrive");
   1.241 +	case EFsRemountDrive: return _L("EFsRemountDrive");
   1.242 +	case EFsAddExtension: return _L("EFsAddExtension");
   1.243 +	case EFsMountExtension: return _L("EFsMountExtension");
   1.244 +	case EFsDismountExtension: return _L("EFsDismountExtension");
   1.245 +	case EFsRemoveExtension: return _L("EFsRemoveExtension");
   1.246 +	case EFsExtensionName: return _L("EFsExtensionName");
   1.247 +	case EFsStartupInitComplete: return _L("EFsStartupInitComplete");
   1.248 +	case EFsSetLocalDriveMapping: return _L("EFsSetLocalDriveMapping");
   1.249 +	case EFsFileDuplicate: return _L("EFsFileDuplicate");
   1.250 +	case EFsFileAdopt: return _L("EFsFileAdopt");
   1.251 +	case EFsFinaliseDrive: return _L("EFsFinaliseDrive");
   1.252 +	case EFsSwapFileSystem: return _L("EFsSwapFileSystem");
   1.253 +	case EFsErasePassword: return _L("EFsErasePassword");
   1.254 +	case EFsReserveDriveSpace: return _L("EFsReserveDriveSpace");
   1.255 +	case EFsGetReserveAccess: return _L("EFsGetReserveAccess");
   1.256 +	case EFsReleaseReserveAccess: return _L("EFsReleaseReserveAccess");
   1.257 +	case EFsFileName: return _L("EFsFileName");
   1.258 +    case EFsGetMediaSerialNumber: return _L("EFsGetMediaSerialNumber");
   1.259 +	case EFsFileFullName: return _L("EFsFileFullName");
   1.260 +	case EFsAddPlugin: return _L("EFsAddPlugin");
   1.261 +	case EFsRemovePlugin: return _L("EFsRemovePlugin");
   1.262 +	case EFsMountPlugin: return _L("EFsMountPlugin");
   1.263 +	case EFsDismountPlugin: return _L("EFsDismountPlugin");
   1.264 +	case EFsPluginName: return _L("EFsPluginName");
   1.265 +	case EFsPluginOpen: return _L("EFsPluginOpen");
   1.266 +	case EFsPluginSubClose: return _L("EFsPluginSubClose");
   1.267 +	case EFsPluginDoRequest: return _L("EFsPluginDoRequest");
   1.268 +	case EFsPluginDoControl: return _L("EFsPluginDoControl");
   1.269 +	case EFsPluginDoCancel: return _L("EFsPluginDoCancel");
   1.270 +	case EFsNotifyDismount: return _L("EFsNotifyDismount");
   1.271 +	case EFsNotifyDismountCancel: return _L("EFsNotifyDismountCancel");
   1.272 +	case EFsAllowDismount: return _L("EFsAllowDismount");
   1.273 +	case EFsSetStartupConfiguration: return _L("EFsSetStartupConfiguration");
   1.274 +	case EFsFileReadCancel: return _L("EFsFileReadCancel");
   1.275 +	case EFsAddCompositeMount: return _L("EFsAddCompositeMount");
   1.276 +	case EFsSetSessionFlags: return _L("EFsSetSessionFlags");
   1.277 +	case EFsSetSystemDrive: return _L("EFsSetSystemDrive");
   1.278 +	case EFsBlockMap: return _L("EFsBlockMap");
   1.279 +	case EFsUnclamp: return _L("EFsUnclamp");
   1.280 +	case EFsFileClamp: return _L("EFsFileClamp");
   1.281 +	case EFsQueryVolumeInfoExt: return _L("EFsQueryVolumeInfoExt");
   1.282 +	case EFsInitialisePropertiesFile: return _L("EFsInitialisePropertiesFile");
   1.283 +	case EFsFileWriteDirty: return _L("EFsFileWriteDirty");
   1.284 +	case EFsSynchroniseDriveThread: return _L("EFsSynchroniseDriveThread");
   1.285 +	case EFsAddProxyDrive: return _L("EFsAddProxyDrive");
   1.286 +	case EFsRemoveProxyDrive: return _L("EFsRemoveProxyDrive");
   1.287 +	case EFsMountProxyDrive: return _L("EFsMountProxyDrive");
   1.288 +	case EFsDismountProxyDrive:  return _L("EFsDismountProxyDrive");
   1.289 +	case EFsNotificationAdd : return _L("EFsNotificationAdd"); 
   1.290 +	case EFsNotificationBuffer : return _L("EFsNotificationBuffer");
   1.291 +	case EFsNotificationCancel : return _L("EFsNotificationCancel");
   1.292 +	case EFsNotificationOpen : return _L("EFsNotificationOpen");
   1.293 +	case EFsNotificationRemove : return _L("EFsNotificationRemove");
   1.294 +	case EFsNotificationRequest : return _L("EFsNotificationRequest");
   1.295 +	case EFsNotificationSubClose : return _L("EFsNotificationSubClose");
   1.296 +	case EFsLoadCodePage: return _L("EFsLoadCodePage");
   1.297 +	default:
   1.298 +		return _L("Error unknown function");
   1.299 +		}
   1.300 +	}
   1.301 +
   1.302 +
   1.303 +void PrintStartUpReason(TMachineStartupType aReason)
   1.304 +//
   1.305 +// Print the reason the machine is booting up
   1.306 +//
   1.307 +	{
   1.308 +
   1.309 +	TBuf<64> nameBuf;
   1.310 +	switch (aReason)
   1.311 +		{
   1.312 +	case EStartupCold: nameBuf=_L("EStartupCold"); break;
   1.313 +	case EStartupColdReset: nameBuf=_L("EStartupColdReset"); break;
   1.314 +	case EStartupNewOs: nameBuf=_L("EStartupNewOs"); break;
   1.315 +	case EStartupPowerFail: nameBuf=_L("StartupPowerFail"); break;
   1.316 +	case EStartupWarmReset: nameBuf=_L("EStartupWarmReset"); break;
   1.317 +	case EStartupKernelFault: nameBuf=_L("EStartupKernelFault"); break;
   1.318 +	case EStartupSafeReset: nameBuf=_L("EStartupSafeReset"); break;
   1.319 +	default:
   1.320 +		nameBuf=_L("Error unknown startup type");
   1.321 +		}
   1.322 +	__PRINT1(_L("Machine startup - %S"),&nameBuf);
   1.323 +	};
   1.324 +
   1.325 +LOCAL_C void AllocPrint(TInt aFunction)
   1.326 +//
   1.327 +// Print number of alloc fails to complete a given function
   1.328 +//
   1.329 +	{
   1.330 +	if (UserHeapAllocFailCount || KernHeapAllocFailCount)
   1.331 +		{	
   1.332 +		TPtrC funcName=GetFunctionName(aFunction);
   1.333 +			{
   1.334 +			__PRINTALLOC(_L("Function %S UserAllocs %d KernAllocs %d"),&funcName,UserHeapAllocFailCount,KernHeapAllocFailCount);
   1.335 +			}
   1.336 +		}
   1.337 +	}
   1.338 +
   1.339 +void SimulateAllocFailure(TInt aFunctionReturnValue,TInt aFunction)
   1.340 +//
   1.341 +// Simulate alloc failure
   1.342 +//
   1.343 +	{
   1.344 +
   1.345 +	
   1.346 +	if (UserHeapAllocFailCount>=0 && (aFunctionReturnValue==KErrDiskFull || aFunctionReturnValue==KErrNoMemory))
   1.347 +		{
   1.348 +		if (KernHeapAllocFailCount<20)
   1.349 +			{
   1.350 +			__KHEAP_FAILNEXT(++KernHeapAllocFailCount);
   1.351 +			__UHEAP_FAILNEXT(UserHeapAllocFailCount);
   1.352 +			}
   1.353 +		else
   1.354 +			{
   1.355 +			KernHeapAllocFailCount=0;
   1.356 +			__UHEAP_FAILNEXT(++UserHeapAllocFailCount);
   1.357 +			__KHEAP_FAILNEXT(KernHeapAllocFailCount);
   1.358 +			}
   1.359 +		if (UserHeapAllocFailCount<100)
   1.360 +			return;
   1.361 +		}
   1.362 +	if (UserHeapAllocFailCount>=0)
   1.363 +		{
   1.364 +		AllocPrint(aFunction);
   1.365 +		UserHeapAllocFailCount=0;
   1.366 +		KernHeapAllocFailCount=0;
   1.367 +		__UHEAP_FAILNEXT(UserHeapAllocFailCount);
   1.368 +		__KHEAP_FAILNEXT(KernHeapAllocFailCount);
   1.369 +		}
   1.370 +	}
   1.371 +
   1.372 +#else
   1.373 +TInt FsDebugFunction(CFsRequest* /*aRequest*/)
   1.374 +//
   1.375 +// Not in the release build
   1.376 +//
   1.377 +	{
   1.378 +	return KErrNotSupported;
   1.379 +	}
   1.380 +#endif
   1.381 +
   1.382 +TInt TFsDebugFunc::DoRequestL(CFsRequest* aRequest)
   1.383 +//
   1.384 +// Not in the release build
   1.385 +//
   1.386 +	{
   1.387 +	return FsDebugFunction(aRequest);
   1.388 +	}
   1.389 +
   1.390 +TInt TFsDebugFunc::Initialise(CFsRequest* /*aRequest*/)
   1.391 +//
   1.392 +// Not in the release build
   1.393 +//
   1.394 +	{
   1.395 +	return KErrNone;
   1.396 +	}
   1.397 +
   1.398 +TInt TFsControlIo::DoRequestL(CFsRequest* aRequest)
   1.399 +//
   1.400 +// General purpose test interface - .FSY specific.
   1.401 +// Not in the release build
   1.402 +//
   1.403 +	{
   1.404 +	TInt command=aRequest->Message().Int1();
   1.405 +	TAny* param1=(TAny*)aRequest->Message().Ptr2();
   1.406 +	TAny* param2=(TAny*)aRequest->Message().Ptr3();
   1.407 +
   1.408 +
   1.409 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.410 +	switch(command)
   1.411 +		{	//These are non-drive commands
   1.412 +		case KControlIoGetCorruptLogRecord:
   1.413 +			{
   1.414 +			// number of the log record to be retrieved (1-based)
   1.415 +			TInt logRecNum=(TInt)param2;
   1.416 +			TFsDebugCorruptLogRecordBuf logBuf;
   1.417 +			TInt r=TCorruptLogRec::GetLogRecord(logBuf,logRecNum);
   1.418 +			if(r!=KErrNone)
   1.419 +				return r;
   1.420 +			r=aRequest->Write(2,logBuf,0);
   1.421 +			return r;
   1.422 +			}
   1.423 +		case KControlIoGetNumberOfCorruptLogRecords:
   1.424 +			{
   1.425 +			TPtrC8 ptrHits((TUint8*)&gNumberOfCorruptHits,sizeof(gNumberOfCorruptHits));
   1.426 +			TInt r=aRequest->Write(2,ptrHits,0);
   1.427 +
   1.428 +			return r;
   1.429 +			}
   1.430 +		case KControlIoGetCorruptListFile:
   1.431 +			{
   1.432 +			// Get name of file that contains the filenames nominated as "corrupt"
   1.433 +			TBuf8<KMaxFileName> fileName8;
   1.434 +			if(gCorruptFileNamesListFile)
   1.435 +				{
   1.436 +				fileName8.Copy(*gCorruptFileNamesListFile);
   1.437 +				}
   1.438 +			else
   1.439 +				{
   1.440 +				fileName8.SetLength(0);
   1.441 +				}
   1.442 +			TInt r=aRequest->Write(2,fileName8,0);
   1.443 +			return r;
   1.444 +			}
   1.445 +		case KControlIoCorruptLogRecordReset:
   1.446 +			{
   1.447 +			TCorruptLogRec::DestroyList();
   1.448 +			TCorruptNameRec::ResetListConsumed();
   1.449 +			return KErrNone;
   1.450 +			}
   1.451 +		case KControlIoCacheCount:
   1.452 +			{
   1.453 +			TIOCacheValues cacheValues;
   1.454 +			cacheValues.iCloseCount= RequestAllocator::CloseCount();
   1.455 +			cacheValues.iFreeCount= RequestAllocator::FreeCount();
   1.456 +			cacheValues.iAllocated=	RequestAllocator::AllocatedCount();
   1.457 +			cacheValues.iTotalCount= RequestAllocator::TotalCount();
   1.458 +			TPckgBuf<TIOCacheValues> pkgBuf(cacheValues);
   1.459 +
   1.460 +			// ensure we only write what the client buffer can hold -
   1.461 +			// this allows TIOCacheValues to increase in size without breaking BC
   1.462 +			pkgBuf.SetLength(Min(pkgBuf.MaxLength(), aRequest->Message().GetDesMaxLengthL(2)));
   1.463 +			
   1.464 +			TInt r=aRequest->Write(2,pkgBuf);
   1.465 +			return r;
   1.466 +			}
   1.467 +		case KControlIoGetLocalDriveNumber:
   1.468 +			{
   1.469 +			return DriveNumberToLocalDriveNumber(aRequest->Drive()->DriveNumber());
   1.470 +			}
   1.471 +		case KControlIoCancelDeferredDismount:
   1.472 +			{
   1.473 +			// Cancel and clear deferred dismount information
   1.474 +			aRequest->Drive()->ClearDeferredDismount();
   1.475 +			return KErrNone;
   1.476 +			}
   1.477 +		case KControlIoFileCacheStats:
   1.478 +			{
   1.479 +			CCacheManager* manager = CCacheManagerFactory::CacheManager();
   1.480 +			if (manager == NULL)
   1.481 +				return KErrNotSupported;
   1.482 +
   1.483 +			TFileCacheStats& stats = manager->Stats();
   1.484 +
   1.485 +			TPckgBuf<TFileCacheStats> pkgBuf(stats);
   1.486 +			TInt r=aRequest->Write(2,pkgBuf);
   1.487 +			return r;
   1.488 +			}
   1.489 +		case KControlIoFileCacheConfig:
   1.490 +			{
   1.491 +			TInt driveNumber = aRequest->Drive()->DriveNumber();
   1.492 +
   1.493 +			TFileCacheSettings::TFileCacheConfig* driveConfig = NULL;
   1.494 +			TInt r = TFileCacheSettings::GetFileCacheConfig(driveNumber, driveConfig);
   1.495 +			if (( r != KErrNone) || (driveConfig == NULL))
   1.496 +				return KErrNotSupported;
   1.497 +
   1.498 +			TFileCacheConfig config;
   1.499 +			config.iDrive = driveConfig->iDrive;
   1.500 +			config.iFlags = driveConfig->iFlags;
   1.501 +			config.iFileCacheReadAsync = driveConfig->iFileCacheReadAsync;
   1.502 +			config.iFairSchedulingLen = driveConfig->iFairSchedulingLen;
   1.503 +			config.iCacheSize = driveConfig->iCacheSize;
   1.504 +			config.iMaxReadAheadLen = driveConfig->iMaxReadAheadLen;
   1.505 +			config.iClosedFileKeepAliveTime = driveConfig->iClosedFileKeepAliveTime;
   1.506 +			config.iDirtyDataFlushTime = driveConfig->iDirtyDataFlushTime;
   1.507 +
   1.508 +			TPckgBuf<TFileCacheConfig> pkgBuf(config);
   1.509 +			r=aRequest->Write(2,pkgBuf);
   1.510 +			return r;
   1.511 +			}
   1.512 +		case KControlIoFileCacheFlagsWrite:
   1.513 +			{
   1.514 +			TInt drive = aRequest->Message().Int0();
   1.515 +
   1.516 +			TPckgBuf<TFileCacheFlags> driveFlagsPkg;
   1.517 +			TFileCacheFlags& driveFlags = driveFlagsPkg();
   1.518 +
   1.519 +			TInt r = aRequest->Read(2, driveFlagsPkg);
   1.520 +			if (r != KErrNone)
   1.521 +				return r;
   1.522 +
   1.523 +			__CACHE_PRINT2(_L("CACHE: TFileCacheFlags %x on drive %d"), driveFlags, drive);
   1.524 +			TFileCacheSettings::SetFlags(drive, driveFlags);
   1.525 +
   1.526 +			return r;
   1.527 +			}
   1.528 +		case KControlIoFlushClosedFiles:
   1.529 +			{
   1.530 +			TClosedFileUtils::Remove();
   1.531 +			return KErrNone;
   1.532 +			}
   1.533 +		case KControlIoSimulateLockFailureMode:
   1.534 +			{
   1.535 +			TPckgBuf<TBool> enabledPkg;
   1.536 +			TInt r = aRequest->Read(2, enabledPkg);
   1.537 +			if (r != KErrNone)
   1.538 +				return r;
   1.539 +
   1.540 +			CCacheManager* manager = CCacheManagerFactory::CacheManager();
   1.541 +			if (manager == NULL)
   1.542 +				return KErrNotSupported;
   1.543 +			manager->SimulateLockFailureMode(enabledPkg());
   1.544 +			return KErrNone;
   1.545 +			}
   1.546 +		case KControlIoSimulateFileCacheWriteFailure:
   1.547 +			{
   1.548 +			CCacheManager* manager = CCacheManagerFactory::CacheManager();
   1.549 +			if (manager == NULL)
   1.550 +				return KErrNotSupported;
   1.551 +			manager->SimulateWriteFailure();
   1.552 +			return KErrNone;
   1.553 +			}
   1.554 +		case KControlIoFileCacheDump:
   1.555 +			{
   1.556 +			CCacheManager* manager = CCacheManagerFactory::CacheManager();
   1.557 +			if (manager == NULL)
   1.558 +				return KErrNotSupported;
   1.559 +			manager->DumpCache();
   1.560 +			return KErrNone;
   1.561 +			}
   1.562 +		case KControlIoAllocateMaxSegments:
   1.563 +			{
   1.564 +			TPckgBuf<TBool> enabledPkg;
   1.565 +			TInt r = aRequest->Read(2, enabledPkg);
   1.566 +			if (r != KErrNone)
   1.567 +				return r;
   1.568 +
   1.569 +			CCacheManager* manager = CCacheManagerFactory::CacheManager();
   1.570 +			if (manager == NULL)
   1.571 +				return KErrNotSupported;
   1.572 +			manager->AllocateMaxSegments(enabledPkg());
   1.573 +			return KErrNone;
   1.574 +			}
   1.575 +		case KControlIoDisableFatUtilityFunctions:
   1.576 +			{
   1.577 +			EnableFatUtilityFunctions = EFalse;
   1.578 +			return KErrNone;
   1.579 +			}
   1.580 +		case KControlIoEnableFatUtilityFunctions:
   1.581 +			{
   1.582 +			EnableFatUtilityFunctions = ETrue;
   1.583 +			return KErrNone;
   1.584 +			}
   1.585 +		}
   1.586 +#endif
   1.587 +
   1.588 +	return(aRequest->Drive()->ControlIO(aRequest->Message(),command,param1,param2));
   1.589 +	}
   1.590 +
   1.591 +TInt TFsControlIo::Initialise(CFsRequest* aRequest)
   1.592 +//
   1.593 +// General purpose test interface - .FSY specific.
   1.594 +// Not in the release build
   1.595 +//
   1.596 +	{
   1.597 +	TInt driveNumber=aRequest->Message().Int0();
   1.598 +	if(driveNumber<0||driveNumber>=KMaxDrives)
   1.599 +		return(KErrArgument);
   1.600 +	ValidateDriveDoSubst(driveNumber,aRequest);
   1.601 +	return KErrNone;
   1.602 +	}
   1.603 +