public FuserFileHandler GetFileHandler(string filename, ref FuserDefinition.FUSER_FILE_INFO rawHFile)
{
FuserFileHandler ret = null;
if (rawHFile.Context != 0)
{
int index = (int)rawHFile.Context; // TODO: remove casting
lock (this.handlers) {
if (index > 0 && index <= this.ListHandlerMaxID)
{
PVCStoredHandle sh = this.handlers[index];
if (sh != null)
{
ret = CreateFileHandler(filename, sh.FileHandle, rawHFile);
}
}
}
}
if (ret == null)
{
ret = RegisterFileHandler(filename, ref rawHFile);
}
return(ret);
}
public int CreateFile(IntPtr rawFilname, uint rawAccessMode, uint rawShare, uint rawCreationDisposition, uint rawFlagsAndAttributes, ref FuserDefinition.FUSER_FILE_INFO rawHFile)
{
try {
FuserFileHandler hFile = this.hManager.RegisterFileHandler(GetFilename(rawFilname), ref rawHFile);
FuserFileAccess access = FuserFileAccess.None;
FileAttributes newFileAttr;
try {
newFileAttr = (FileAttributes)rawFlagsAndAttributes;
} catch {
newFileAttr = 0;
}
FileShare share = FileShare.None;
FileMode mode = FileMode.Open;
FileOptions options = FileOptions.None;
if ((rawAccessMode & FuserDefinition.FILE_READ_DATA) != 0 && (rawAccessMode & FuserDefinition.FILE_WRITE_DATA) != 0)
{
access = FuserFileAccess.ReadWrite;
}
else if ((rawAccessMode & FuserDefinition.FILE_WRITE_DATA) != 0)
{
access = FuserFileAccess.Write;
}
else if ((rawAccessMode & FuserDefinition.FILE_READ_DATA) != 0)
{
access = FuserFileAccess.Read;
}
if ((rawShare & FuserDefinition.FILE_SHARE_READ) != 0)
{
share = FileShare.Read;
}
if ((rawShare & FuserDefinition.FILE_SHARE_WRITE) != 0)
{
share |= FileShare.Write;
}
if ((rawShare & FuserDefinition.FILE_SHARE_DELETE) != 0)
{
share |= FileShare.Delete;
}
switch (rawCreationDisposition)
{
case FuserDefinition.CREATE_NEW:
mode = FileMode.CreateNew;
break;
case FuserDefinition.CREATE_ALWAYS:
mode = FileMode.Create;
break;
case FuserDefinition.OPEN_EXISTING:
mode = FileMode.Open;
break;
case FuserDefinition.OPEN_ALWAYS:
mode = FileMode.OpenOrCreate;
break;
case FuserDefinition.TRUNCATE_EXISTING:
mode = FileMode.Truncate;
break;
}
Win32Returncode ret = this.fsDevice.CreateFile(hFile, access, share, mode, options, newFileAttr);
if (hFile.IsDirectory)
{
rawHFile.IsDirectory = 1;
// TODO: directory problem
//rawFlagsAndAttributes |= 0x02000000;
}
if (ret != Win32Returncode.SUCCESS)
{
this.hManager.RemoveFileHandler(ref rawHFile);
}
return(ConvReturnCodeToInt(ret));
} catch (Exception e) {
this.hManager.RemoveFileHandler(ref rawHFile);
this.fsDevice.LogErrorMessage("CreateFile", e.Message);
return(ConvReturnCodeToInt(Win32Returncode.ERROR_FILE_NOT_FOUND));
}
}
