/**
Tries to restore the original FS on the drive using the FS descriptor provided
@return standard error code.
*/
static TInt DoRestoreFS(RFs& aFs, TInt aDrive, CFileSystemDescriptor* apFsDesc)
{
TInt nRes;
Log(_L("# DoRestoreFS drv:%d\n"), aDrive);
//-- 1. check that there is no FS installed
{
TBuf<128> fsName;
nRes = aFs.FileSystemName(fsName, aDrive);
if(nRes == KErrNone)
{//-- probably no file system installed at all
Log(_L("# This drive already has FS intalled:%S \n"), &fsName);
return KErrAlreadyExists;
}
}
TPtrC ptrN (apFsDesc->FsName());
TPtrC ptrExt(apFsDesc->PrimaryExtName());
Log(_L("# Mounting FS:%S, Prim ext:%S, synch:%d\n"), &ptrN, &ptrExt, apFsDesc->DriveIsSynch());
if(ptrExt.Length() >0)
{//-- there is a primary extension to be mounted
nRes = aFs.AddExtension(ptrExt);
if(nRes != KErrNone && nRes != KErrAlreadyExists)
{
return nRes;
}
nRes = aFs.MountFileSystem(ptrN, ptrExt, aDrive, apFsDesc->DriveIsSynch());
}
else
{
nRes = aFs.MountFileSystem(ptrN, aDrive, apFsDesc->DriveIsSynch());
}
if(nRes != KErrNone)
{
Log(_L("# Mount failed! code:%d\n"),nRes);
}
return nRes;
}
TInt MountNTFS()
{
TBuf<256> cmd;
User::CommandLine(cmd);
TLex cmdlex(cmd);
cmdlex.SkipSpace();
TUint c = (TUint)cmdlex.Get();
if (c>='a' && c<='z')
c-=0x20;
if (c<'A' || c>'Z')
return KErrArgument;
TBuf<4> driveLetter;
driveLetter.SetLength(1);
driveLetter[0] = (TText)c;
RDebug::Print(_L("Drive %S"), &driveLetter);
TInt driveNumber = TInt(c-'A') + TInt(EDriveA);
TInt r;
driveLetter.Append(_L(":\\"));
RDebug::Print(_L("Add file system: %S"), &KFileSystemDllName);
r=TheFs.AddFileSystem(KFileSystemDllName);
if (r!=KErrNone && r!=KErrAlreadyExists)
{
RDebug::Print(_L("Failed: %d"), r);
return r;
}
TFullName name;
r = TheFs.FileSystemName(name, driveNumber);
if (name.Length() != 0)
{
RDebug::Print(_L("Dismounting %S on drive %S\r\n"), &name, &driveLetter);
r=TheFs.DismountFileSystem(name, driveNumber);
RDebug::Print(_L("Dismount ret=%d"), r);
}
RDebug::Print(_L("Mount NTFS on drive %S\r\n"), &driveLetter);
r = TheFs.MountFileSystem(KFileSystemName, driveNumber);
RDebug::Print(_L("Mount r=%d"),r);
return KErrNone;
}
/**
Dismount the original FS from the drive and mount MsFS instead
*/
static void MountMsFs(TInt driveNumber)
{
TInt x = console->WhereX();
TInt y = console->WhereY();
//-- 1. try dismounting the original FS
CFileSystemDescriptor* fsDesc = DoDismountOrginalFS(fs, driveNumber);
unmountedFsList[driveNumber] = fsDesc;
console->SetPos(0, 10);
if(fsDesc)
{
TPtrC ptrN(fsDesc->FsName());
LogPrint(_L("drv:%d FS:%S Dismounted OK"),driveNumber, &ptrN);
}
else
{
LogPrint(_L("drv:%d Dismount FS Failed!"),driveNumber);
}
console->ClearToEndOfLine();
//-- 2. try to mount the "MSFS"
TInt error;
error = fs.MountFileSystem(KMsFs, driveNumber);
console->SetPos(0, 11);
LogPrint(_L("MSFS Mount: %S (%d)"), (error?&KError:&KOk), error);
console->ClearToEndOfLine();
if (!error)
msfsMountedList[driveNumber] = ETrue;
// restore console position
console->SetPos(x,y);
}