userlibandfileserver/fileserver/smassstorage/cmassstoragemountcb.cpp
changeset 0 a41df078684a
child 21 e7d2d738d3c2
equal deleted inserted replaced
-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // CMassStorageMountCB implementation.
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file
       
    20  @internalTechnology
       
    21 */
       
    22 
       
    23 #include <f32fsys.h>
       
    24 #include <f32file.h>
       
    25 #include "cmassstoragemountcb.h"
       
    26 #include "cmassstoragefilesystem.h"
       
    27 #include "drivemanager.h"
       
    28 #include "massstoragedebug.h"
       
    29 #include "massstorageutil.h"
       
    30 
       
    31 CMassStorageMountCB::CMassStorageMountCB(const RArray<TInt>& aDriveMapping)
       
    32     : iDriveMapping(aDriveMapping)
       
    33 	{
       
    34 	}
       
    35 
       
    36 CMassStorageMountCB* CMassStorageMountCB::NewL(const RArray<TInt>& aDriveMapping)
       
    37 	{
       
    38 	return new (ELeave) CMassStorageMountCB(aDriveMapping);
       
    39 	}
       
    40 
       
    41 /**
       
    42 Checks that the drive number is supported.
       
    43 
       
    44 @leave KErrNotReady The drive number is not supported.
       
    45 */
       
    46 TInt CMassStorageMountCB::CheckDriveNumberL()
       
    47 	{
       
    48 	__FNLOG("CMassStorageMountCB::CheckDriveNumberL");
       
    49 	TInt driveNumber;
       
    50 	driveNumber = Drive().DriveNumber();
       
    51 	if (!IsValidLocalDriveMapping(driveNumber))
       
    52 		{
       
    53 		__PRINT1(_L("CMassStorageMountCB::CheckDriveNumberL: Drive number %d not supported"), driveNumber);
       
    54 		User::Leave(KErrNotReady);
       
    55 		}
       
    56 	__PRINT1(_L("CMassStorageMountCB::CheckDriveNumberL: Drive number = %d"), driveNumber);
       
    57 	return driveNumber;
       
    58 	}
       
    59 
       
    60 /**
       
    61 Registers the drive with the Mass Storage drive manager.
       
    62 
       
    63 @leave KErrNotSupported The drive is not compatible with Mass Storage.
       
    64 */
       
    65 void CMassStorageMountCB::MountL(TBool /*aForceMount*/)
       
    66 	{
       
    67 	__FNLOG("CMassStorageMountCB::MountL");
       
    68 
       
    69 	CheckDriveNumberL();
       
    70 	CMassStorageFileSystem& msFsys = *reinterpret_cast<CMassStorageFileSystem*>(Drive().GetFSys());
       
    71 
       
    72 	TInt lun = DriveNumberToLun(Drive().DriveNumber());
       
    73 
       
    74 	if(lun < 0)
       
    75 		{
       
    76 		// This is not a supported Mass Storage drive
       
    77 		User::Leave(KErrNotSupported);
       
    78 		}
       
    79 
       
    80 	TBusLocalDrive& localDrive = msFsys.iLocalDriveForMediaFlag[lun];
       
    81 
       
    82 	TInt err = CreateLocalDrive(localDrive);
       
    83 	User::LeaveIfError(err);
       
    84 
       
    85 	CProxyDrive* proxyDrive = LocalDrive();
       
    86 
       
    87 	TLocalDriveCapsV2Buf caps;
       
    88 	err = localDrive.Caps(caps);
       
    89 	//Make sure file system is FAT and removable
       
    90 	if (err == KErrNone)
       
    91 		{
       
    92 		err = KErrNotSupported;
       
    93 		if ((caps().iDriveAtt & KDriveAttRemovable) == KDriveAttRemovable)
       
    94 			{
       
    95 			if (caps().iType != EMediaNotPresent)
       
    96 				{
       
    97 				err = KErrNone;
       
    98 				}
       
    99 			}
       
   100 		}
       
   101 
       
   102 	if (err != KErrNone && err != KErrNotReady)
       
   103 		{
       
   104 		__PRINT1(_L("CMassStorageMountCB::MountL: Drive is not compatible with Mass Storage, err=%d"), err);
       
   105 		User::Leave(err);
       
   106 		}
       
   107 
       
   108 	__PRINT(_L("CMassStorageMountCB::MountL: Registering drive"));
       
   109 
       
   110 	// Set media changed to true so that Win2K doesn't used cached drive data
       
   111 	(*msFsys.iMediaChanged)[lun] = ETrue;
       
   112 
       
   113 	msFsys.Controller().DriveManager().RegisterDrive(*proxyDrive, (*msFsys.iMediaChanged)[lun], lun);
       
   114 
       
   115 	SetVolumeName(_L("MassStorage").AllocL());
       
   116 	}
       
   117 
       
   118 /**
       
   119 Returns the LUN that corresponds to the specified drive number.
       
   120 
       
   121 @param aDriveNumber The drive number.
       
   122 */
       
   123 TInt CMassStorageMountCB::DriveNumberToLun(TInt aDriveNumber)
       
   124 	{
       
   125 	__FNLOG("CMassStorageMountCB::DriveNumberToLun");
       
   126 	TInt lun = -1;
       
   127 	for (TInt i = 0; i < iDriveMapping.Count(); i++)
       
   128 		{
       
   129 		if (iDriveMapping[i] == aDriveNumber)
       
   130 			{
       
   131 			lun = i;
       
   132 			break;
       
   133 			}
       
   134 		}
       
   135 	__PRINT2(_L("CMassStorageMountCB::DriveNumberToLun: Drive %d maps to LUN %d"), aDriveNumber, lun);
       
   136 	return lun;
       
   137 	}
       
   138 
       
   139 /**
       
   140 Deregisters the drive from the Drive Manager.
       
   141 */
       
   142 void CMassStorageMountCB::Dismounted()
       
   143 	{
       
   144 	__FNLOG("CMassStorageMountCB::Dismounted");
       
   145 	TInt driveNumber = -1;
       
   146 	TRAPD(err, driveNumber = CheckDriveNumberL());
       
   147 	if (err != KErrNone)
       
   148 		{
       
   149 		return;
       
   150 		}
       
   151 	__PRINT(_L("CMassStorageMountCB::Dismounted: Deregistering drive"));
       
   152     CMassStorageFileSystem& msFsys = *reinterpret_cast<CMassStorageFileSystem*>(Drive().GetFSys());
       
   153 	msFsys.Controller().DriveManager().DeregisterDrive(DriveNumberToLun(driveNumber));
       
   154 	
       
   155 	DismountedLocalDrive();
       
   156 	}
       
   157 
       
   158 /**
       
   159 Unlocks the drive with the specified password, optionally storing the password for later use.
       
   160 
       
   161 @param aPassword The password to use for unlocking the drive.
       
   162 @param aStore True if the password is to be stored.
       
   163 */
       
   164 TInt CMassStorageMountCB::Unlock(TMediaPassword& aPassword, TBool aStore)
       
   165 	{
       
   166 	__FNLOG("CMassStorageMountCB::Unlock");
       
   167 	TInt driveNumber = -1;
       
   168 	TRAPD(err, driveNumber = CheckDriveNumberL());
       
   169 	if (err != KErrNone)
       
   170 		{
       
   171 		return err;
       
   172 		}
       
   173 	TBusLocalDrive& localDrive=GetLocalDrive(driveNumber);
       
   174 	if(localDrive.Status() == KErrLocked)
       
   175 		{
       
   176 		localDrive.Status() = KErrNotReady;
       
   177 		}
       
   178 	TInt r = localDrive.Unlock(aPassword, aStore);
       
   179 	if(r == KErrNone && aStore)
       
   180 		{
       
   181 		WritePasswordData();
       
   182 		}
       
   183 	return(r);
       
   184 	}
       
   185 
       
   186 /**
       
   187 Stores the password for the drive to the password file.
       
   188 */
       
   189 void CMassStorageMountCB::WritePasswordData()
       
   190 	{
       
   191 	__FNLOG("CMassStorageMountCB::WritePasswordData");
       
   192 	TBusLocalDrive& local=GetLocalDrive(Drive().DriveNumber());
       
   193 	TInt length = local.PasswordStoreLengthInBytes();
       
   194 	if(length==0)
       
   195 		{
       
   196 		TBuf<sizeof(KMediaPWrdFile)> mediaPWrdFile(KMediaPWrdFile);
       
   197 		mediaPWrdFile[0] = (TUint8) RFs::GetSystemDriveChar();
       
   198 		WriteToDisk(mediaPWrdFile,_L8(""));
       
   199 		return;
       
   200 		}
       
   201 	HBufC8* hDes=HBufC8::New(length);
       
   202 	if(hDes==NULL)
       
   203 		{
       
   204 		return;
       
   205 		}
       
   206 	TPtr8 pDes=hDes->Des();
       
   207 	TInt r=local.ReadPasswordData(pDes);
       
   208 	if(r==KErrNone)
       
   209 		{
       
   210 		TBuf<sizeof(KMediaPWrdFile)> mediaPWrdFile(KMediaPWrdFile);
       
   211 		mediaPWrdFile[0] = (TUint8) RFs::GetSystemDriveChar();
       
   212 		WriteToDisk(mediaPWrdFile,pDes);
       
   213 		}
       
   214 	delete hDes;
       
   215 	}
       
   216 
       
   217 /**
       
   218 Make sure that the file system is fat.
       
   219 */
       
   220 TBool CMassStorageMountCB::ValidateBootSector()
       
   221 	{
       
   222 	__FNLOG("CMassStorageMountCB::ValidateBootSector");
       
   223 
       
   224 	TFatBootSector bootSector;
       
   225 	TInt r=ReadBootSector(bootSector);
       
   226 	__PRINT1(_L("CMassStorageMountCB::MountL - ReadBootSector returned %d"),r);
       
   227 	if (r != KErrNone)
       
   228 		{
       
   229 		return EFalse;
       
   230 		}
       
   231 
       
   232 	__PRINT(_L("\nBootSector info"));
       
   233 	__PRINT8BIT1(_L("FAT type = %S"),bootSector.FileSysType());
       
   234 	__PRINT8BIT1(_L("Vendor ID = %S"),bootSector.VendorId());
       
   235 	__PRINT1(_L("BytesPerSector %d"),bootSector.BytesPerSector());
       
   236 	__PRINT1(_L("SectorsPerCluster %d"),bootSector.SectorsPerCluster());
       
   237 	__PRINT1(_L("ReservedSectors %d"),bootSector.ReservedSectors());
       
   238 	__PRINT1(_L("NumberOfFats %d"),bootSector.NumberOfFats());
       
   239 	__PRINT1(_L("RootDirEntries %d"),bootSector.RootDirEntries());
       
   240 	__PRINT1(_L("Total Sectors = %d"),bootSector.TotalSectors());
       
   241 	__PRINT1(_L("MediaDescriptor = 0x%x"),bootSector.MediaDescriptor());
       
   242 	__PRINT1(_L("FatSectors %d"),bootSector.FatSectors());
       
   243 	__PRINT1(_L("SectorsPerTrack %d"),bootSector.SectorsPerTrack());
       
   244 	__PRINT1(_L("NumberOfHeads %d"),bootSector.NumberOfHeads());
       
   245 	__PRINT1(_L("HugeSectors %d"),bootSector.HugeSectors());
       
   246 	__PRINT1(_L("Fat32 Sectors %d"),bootSector.FatSectors32());
       
   247 	__PRINT1(_L("Fat32 Flags %d"),bootSector.FATFlags());
       
   248 	__PRINT1(_L("Fat32 Version Number %d"),bootSector.VersionNumber());
       
   249 	__PRINT1(_L("Root Cluster Number %d"),bootSector.RootClusterNum());
       
   250 	__PRINT1(_L("FSInfo Sector Number %d"),bootSector.FSInfoSectorNum());
       
   251 	__PRINT1(_L("Backup Boot Rec Sector Number %d"),bootSector.BkBootRecSector());
       
   252 	__PRINT1(_L("PhysicalDriveNumber %d"),bootSector.PhysicalDriveNumber());
       
   253 	__PRINT1(_L("ExtendedBootSignature %d"),bootSector.ExtendedBootSignature());
       
   254 	__PRINT1(_L("UniqueID %d"),bootSector.UniqueID());
       
   255 	__PRINT8BIT1(_L("VolumeLabel %S"),bootSector.VolumeLabel());
       
   256 	__PRINT8BIT1(_L("FileSysType %S\n"),bootSector.FileSysType());
       
   257 
       
   258     iUniqueID=bootSector.UniqueID();
       
   259 	iIs16BitFat=bootSector.Is16BitFat();
       
   260 
       
   261 	iIs32BitFat=bootSector.Is32BitFat();
       
   262 	switch (DetermineFatType(bootSector))
       
   263 		{
       
   264 		case 12:
       
   265 			iIs16BitFat = EFalse;
       
   266 			iIs32BitFat = EFalse;
       
   267 			break;
       
   268 		case 16:
       
   269 			iIs16BitFat = ETrue;
       
   270 			iIs32BitFat = EFalse;
       
   271 			break;
       
   272 		case 32:
       
   273 			iIs16BitFat = EFalse;
       
   274 			iIs32BitFat = ETrue;
       
   275 			break;
       
   276 		default:
       
   277 			return EFalse;
       
   278 		}
       
   279 
       
   280 	TInt sectorsPerCluster=bootSector.SectorsPerCluster();
       
   281 	if (!IsPowerOfTwo(sectorsPerCluster))
       
   282 		return EFalse;
       
   283 
       
   284 	TInt sectorSizeLog2=Log2(bootSector.BytesPerSector());
       
   285 	if (sectorSizeLog2<0 || !IsPowerOfTwo(bootSector.BytesPerSector()))
       
   286 		return EFalse;
       
   287 
       
   288 	TInt firstFatSector=bootSector.ReservedSectors();
       
   289 	if (firstFatSector<1)
       
   290 		return EFalse;
       
   291 
       
   292 	TInt fatSizeInBytes;
       
   293 	if(iIs32BitFat)
       
   294 		{
       
   295 		fatSizeInBytes=bootSector.FatSectors32()*bootSector.BytesPerSector();
       
   296 		if (fatSizeInBytes<bootSector.BytesPerSector())
       
   297 			return EFalse;
       
   298 		}
       
   299 	else
       
   300 		{
       
   301 		fatSizeInBytes=bootSector.FatSectors()*bootSector.BytesPerSector();
       
   302 		if (fatSizeInBytes<bootSector.BytesPerSector())
       
   303 			return EFalse;
       
   304 
       
   305 		TInt rootDirectorySector=firstFatSector+bootSector.FatSectors()*bootSector.NumberOfFats();
       
   306 		if (rootDirectorySector<3)
       
   307 			return EFalse;
       
   308 
       
   309 		TInt rootDirSizeInBytes=bootSector.RootDirEntries()*KSizeOfFatDirEntry;
       
   310 		TInt numOfRootDirSectors=(rootDirSizeInBytes+(1<<sectorSizeLog2)-1)>>sectorSizeLog2;
       
   311 		TInt rootDirEnd=(rootDirectorySector+numOfRootDirSectors)<<sectorSizeLog2;
       
   312 		if (rootDirEnd<(4<<sectorSizeLog2))
       
   313 			return EFalse;
       
   314 		}
       
   315 
       
   316 
       
   317 	TInt totalSectors=bootSector.TotalSectors();
       
   318 	if (totalSectors==0)
       
   319 		totalSectors=bootSector.HugeSectors();
       
   320 	if (totalSectors<5)
       
   321 		return EFalse;
       
   322 
       
   323 	TInt numberOfFats=bootSector.NumberOfFats();
       
   324 	if (numberOfFats<1)
       
   325 		return EFalse;
       
   326 
       
   327 	return ETrue;
       
   328 	}
       
   329 
       
   330 /**
       
   331 Read non aligned boot data from media into TFatBootSector structure
       
   332 
       
   333 @param aBootSector refrence to TFatBootSector populate
       
   334 @return Media read error code
       
   335 */
       
   336 TInt CMassStorageMountCB::ReadBootSector(TFatBootSector& aBootSector)
       
   337 	{
       
   338 	__FNLOG("CMassStorageMountCB::ReadBootSector");
       
   339 	TInt pos=0;
       
   340 	TUint8 data[KSizeOfFatBootSector];
       
   341     TPtr8 buf(&data[0],KSizeOfFatBootSector);
       
   342     TInt r=LocalDrive()->Read(0,KSizeOfFatBootSector,buf);
       
   343 	if (r!=KErrNone)
       
   344 		{
       
   345 		__PRINT1(_L("LocalDrive::Read() failed - %d"),r);
       
   346 		return(r);
       
   347 		}
       
   348 //	0	TUint8 iJumpInstruction[3]
       
   349 	Mem::Copy(&aBootSector.iJumpInstruction,&data[pos],3);
       
   350 	pos+=3;
       
   351 // 3	TUint8 iVendorId[KVendorIdSize]
       
   352 	Mem::Copy(&aBootSector.iVendorId,&data[pos],KVendorIdSize);
       
   353 	pos+=KVendorIdSize;
       
   354 // 11	TUint16 iBytesPerSector
       
   355 	Mem::Copy(&aBootSector.iBytesPerSector,&data[pos],2);
       
   356 	pos+=2;
       
   357 // 13	TUint8 sectorsPerCluster
       
   358 	Mem::Copy(&aBootSector.iSectorsPerCluster,&data[pos],1);
       
   359 	pos+=1;
       
   360 // 14	TUint16 iReservedSectors
       
   361 	Mem::Copy(&aBootSector.iReservedSectors,&data[pos],2);
       
   362 	pos+=2;
       
   363 // 16	TUint8 numberOfFats
       
   364 	Mem::Copy(&aBootSector.iNumberOfFats,&data[pos],1);
       
   365 	pos+=1;
       
   366 // 17	TUint16 iRootDirEntries
       
   367 	Mem::Copy(&aBootSector.iRootDirEntries,&data[pos],2);
       
   368 	pos+=2;
       
   369 // 19	TUint16 totalSectors
       
   370 	Mem::Copy(&aBootSector.iTotalSectors,&data[pos],2);
       
   371 	pos+=2;
       
   372 // 21	TUint8 iMediaDescriptor
       
   373 	Mem::Copy(&aBootSector.iMediaDescriptor,&data[pos],1);
       
   374 	pos+=1;
       
   375 // 22	TUint16 iFatSectors
       
   376 	Mem::Copy(&aBootSector.iFatSectors,&data[pos],2);
       
   377 	pos+=2;
       
   378 // 24	TUint16 iSectorsPerTrack
       
   379 	Mem::Copy(&aBootSector.iSectorsPerTrack,&data[pos],2);
       
   380 	pos+=2;
       
   381 // 26	TUint16 iNumberOfHeads
       
   382 	Mem::Copy(&aBootSector.iNumberOfHeads,&data[pos],2);
       
   383 	pos+=2;
       
   384 // 28	TUint32 iHiddenSectors
       
   385 	Mem::Copy(&aBootSector.iHiddenSectors,&data[pos],4);
       
   386 	pos+=4;
       
   387 // 32	TUint32 iHugeSectors
       
   388 	Mem::Copy(&aBootSector.iHugeSectors,&data[pos],4);
       
   389 	pos+=4;
       
   390 
       
   391 	if(aBootSector.iRootDirEntries == 0)	//indicates we have FAT32 volume
       
   392 		{
       
   393 		__PRINT(_L("\nFile system thinks Fat32"));
       
   394 
       
   395 		//36 TUint32 iFatSectors32
       
   396 		Mem::Copy(&aBootSector.iFatSectors32, &data[pos],4);
       
   397 		pos+=4;
       
   398 		//40 TUint16 iFATFlags
       
   399 		Mem::Copy(&aBootSector.iFATFlags, &data[pos],2);
       
   400 		pos+=2;
       
   401 		//42 TUint16 iVersionNumber
       
   402 		Mem::Copy(&aBootSector.iVersionNumber, &data[pos],2);
       
   403 		pos+=2;
       
   404 		//44 TUint32 iRootClusterNum
       
   405 		Mem::Copy(&aBootSector.iRootClusterNum, &data[pos],4);
       
   406 		pos+=4;
       
   407 		//48 TUint16 iFSInfoSectorNum
       
   408 		Mem::Copy(&aBootSector.iFSInfoSectorNum, &data[pos],2);
       
   409 		pos+=2;
       
   410 		//50 TUint16 iBkBootRecSector
       
   411 		Mem::Copy(&aBootSector.iBkBootRecSector, &data[pos],2);
       
   412 		pos+=(2+12);//extra 12 for the reserved bytes
       
   413 		}
       
   414 
       
   415 // 36|64	TUint8 iPhysicalDriveNumber
       
   416 	Mem::Copy(&aBootSector.iPhysicalDriveNumber,&data[pos],1);
       
   417 	pos+=1;
       
   418 // 37|65	TUint8 iReserved
       
   419 	Mem::Copy(&aBootSector.iReserved,&data[pos],1);
       
   420 	pos+=1;
       
   421 // 38|66	TUint8 iExtendedBootSignature
       
   422 	Mem::Copy(&aBootSector.iExtendedBootSignature,&data[pos],1);
       
   423 	pos+=1;
       
   424 // 39|67	TUint32 iUniqueID
       
   425 	Mem::Copy(&aBootSector.iUniqueID,&data[pos],4);
       
   426 	pos+=4;
       
   427 // 43|71	TUint8 iVolumeLabel[KVolumeLabelSize]
       
   428 	Mem::Copy(&aBootSector.iVolumeLabel,&data[pos],KVolumeLabelSize);
       
   429 	pos+=KVolumeLabelSize;
       
   430 // 54|82	TUint8 iFileSysType[KFileSysTypeSize]
       
   431 	Mem::Copy(&aBootSector.iFileSysType,&data[pos],KFileSysTypeSize);
       
   432 // 62|90
       
   433 
       
   434 	return(KErrNone);
       
   435 	}
       
   436 
       
   437 /**
       
   438 Work out if we have a FAT12|16|32 volume.
       
   439 Returns 12, 16 or 32 as appropriate.
       
   440 Returns 0 if can't be calculated (invalid values)
       
   441 */
       
   442 TInt CMassStorageMountCB::DetermineFatType(TFatBootSector& aBootSector)
       
   443 	{
       
   444 	TUint32 ressectors = aBootSector.ReservedSectors();
       
   445 
       
   446 	if (aBootSector.SectorsPerCluster() < 1)
       
   447 		return 0;
       
   448 
       
   449 	if (aBootSector.RootDirEntries() != 0)
       
   450 		{
       
   451 		TUint32 rootdirbytes;
       
   452 		rootdirbytes = aBootSector.RootDirEntries() * 32 + aBootSector.BytesPerSector() - 1;
       
   453 		ressectors += rootdirbytes / aBootSector.BytesPerSector();
       
   454 		}
       
   455 
       
   456 	if (aBootSector.FatSectors() != 0)
       
   457 		ressectors += aBootSector.NumberOfFats() * aBootSector.FatSectors();
       
   458 	else
       
   459 		ressectors += aBootSector.NumberOfFats() * aBootSector.FatSectors32();
       
   460 
       
   461 	TUint32 totalsectors;
       
   462 	if (aBootSector.TotalSectors() != 0)
       
   463 		totalsectors = aBootSector.TotalSectors();
       
   464 	else
       
   465 		totalsectors = aBootSector.HugeSectors();
       
   466 
       
   467 	if (ressectors < 1 || totalsectors < 1)
       
   468 		return 0;
       
   469 
       
   470 	TUint32 datasec;
       
   471 	datasec = totalsectors - ressectors;
       
   472 
       
   473 	TUint32 countofclusters;
       
   474 	countofclusters = datasec / aBootSector.SectorsPerCluster();
       
   475 
       
   476 	__PRINT1(_L("CFatMountCB: Count of clusters = %d\n"), countofclusters);
       
   477 
       
   478 	if (countofclusters < 4085)
       
   479 		{
       
   480 		return 12;
       
   481 		}
       
   482 	else if (countofclusters < 65525)
       
   483 		{
       
   484 		return 16;
       
   485 		}
       
   486 	else
       
   487 		{
       
   488 		return 32;
       
   489 		}
       
   490 	}
       
   491 
       
   492 TInt CMassStorageMountCB::ReMount()
       
   493 	{
       
   494 	return KErrNotReady;
       
   495 	}
       
   496 
       
   497 void CMassStorageMountCB::VolumeL(TVolumeInfo& /*aVolume*/) const
       
   498 	{
       
   499 	User::Leave(KErrNotReady);
       
   500 	}
       
   501 
       
   502 void CMassStorageMountCB::SetVolumeL(TDes& /*aName*/)
       
   503 	{
       
   504 	User::Leave(KErrNotReady);
       
   505 	}
       
   506 
       
   507 void CMassStorageMountCB::MkDirL(const TDesC& /*aName*/)
       
   508 	{
       
   509 	User::Leave(KErrNotReady);
       
   510 	}
       
   511 
       
   512 void CMassStorageMountCB::RmDirL(const TDesC& /*aName*/)
       
   513 	{
       
   514 	User::Leave(KErrNotReady);
       
   515 	}
       
   516 
       
   517 void CMassStorageMountCB::DeleteL(const TDesC& /*aName*/)
       
   518 	{
       
   519 	User::Leave(KErrNotReady);
       
   520 	}
       
   521 
       
   522 void CMassStorageMountCB::RenameL(const TDesC& /*anOldName*/,const TDesC& /*anNewName*/)
       
   523 	{
       
   524 	User::Leave(KErrNotReady);
       
   525 	}
       
   526 
       
   527 void CMassStorageMountCB::ReplaceL(const TDesC& /*anOldName*/,const TDesC& /*anNewName*/)
       
   528 	{
       
   529 	User::Leave(KErrNotReady);
       
   530 	}
       
   531 
       
   532 void CMassStorageMountCB::EntryL(const TDesC& /*aName*/,TEntry& /*anEntry*/) const
       
   533 	{
       
   534 	User::Leave(KErrNotReady);
       
   535 	}
       
   536 
       
   537 void CMassStorageMountCB::SetEntryL(const TDesC& /*aName*/,const TTime& /*aTime*/,TUint /*aSetAttMask*/,TUint /*aClearAttMask*/)
       
   538 	{
       
   539 	User::Leave(KErrNotReady);
       
   540 	}
       
   541 
       
   542 void CMassStorageMountCB::FileOpenL(const TDesC& /*aName*/,TUint /*aMode*/,TFileOpen /*anOpen*/,CFileCB* /*aFile*/)
       
   543 	{
       
   544 	User::Leave(KErrNotReady);
       
   545 	}
       
   546 
       
   547 void CMassStorageMountCB::DirOpenL(const TDesC& /*aName*/,CDirCB* /*aDir*/)
       
   548 	{
       
   549 	User::Leave(KErrNotReady);
       
   550 	}
       
   551 
       
   552 
       
   553 void CMassStorageMountCB::RawReadL(TInt64 /*aPos*/,TInt /*aLength*/,const TAny* /*aTrg*/,TInt /*anOffset*/,const RMessagePtr2& /*aMessage*/) const
       
   554 	{
       
   555 	User::Leave(KErrNotReady);
       
   556 	}
       
   557 
       
   558 void CMassStorageMountCB::RawWriteL(TInt64 /*aPos*/,TInt /*aLength*/,const TAny* /*aSrc*/,TInt /*anOffset*/,const RMessagePtr2& /*aMessage*/)
       
   559 	{
       
   560 	User::Leave(KErrNotReady);
       
   561 	}
       
   562 
       
   563 
       
   564 void CMassStorageMountCB::GetShortNameL(const TDesC& /*aLongName*/,TDes& /*aShortName*/)
       
   565 	{
       
   566 	User::Leave(KErrNotReady);
       
   567 	}
       
   568 
       
   569 void CMassStorageMountCB::GetLongNameL(const TDesC& /*aShorName*/,TDes& /*aLongName*/)
       
   570 	{
       
   571 	User::Leave(KErrNotReady);
       
   572 	}
       
   573 
       
   574 #if defined(_DEBUG)
       
   575 TInt CMassStorageMountCB::ControlIO(const RMessagePtr2& aMessage,TInt aCommand,TAny* aParam1,TAny* aParam2)
       
   576 //
       
   577 // Debug function
       
   578 //
       
   579 	{
       
   580 	if(aCommand>=(KMaxTInt/2))
       
   581 		return LocalDrive()->ControlIO(aMessage,aCommand-(KMaxTInt/2),aParam1,aParam2);
       
   582 	else
       
   583 		return KErrNotSupported;
       
   584 	}
       
   585 #else
       
   586 TInt CMassStorageMountCB::ControlIO(const RMessagePtr2& /*aMessage*/,TInt /*aCommand*/,TAny* /*aParam1*/,TAny* /*aParam2*/)
       
   587 	{return(KErrNotSupported);}
       
   588 #endif
       
   589 
       
   590 void CMassStorageMountCB::ReadSectionL(const TDesC& /*aName*/,TInt /*aPos*/,TAny* /*aTrg*/,TInt /*aLength*/,const RMessagePtr2& /*aMessage*/)
       
   591 	{
       
   592 	User::Leave(KErrNotReady);
       
   593 	}
       
   594