private int _OnWriteHandle(
string path,
byte[] buf,
ulong size,
long offset,
IntPtr fi,
out int bytesRead)
{
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
errno = _filesystem.OnWriteHandle
(path, info, buf, offset, out bytesRead);
if (errno == 0)
{
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
bytesRead = 0;
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
public int _OnLockHandle(string file, IntPtr fi, int cmd, IntPtr lockp)
{
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
FcntlCommand _cmd = NativeConvert.ToFcntlCommand(cmd);
Flock @lock;
Interop.CopyFlock(lockp, out @lock);
errno = _filesystem.OnLockHandle(file, info, _cmd, ref @lock);
if (errno == 0)
{
Interop.CopyFlock(ref @lock, lockp);
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
private int _OnGetHandleStatus(string path, IntPtr buf, IntPtr fi)
{
Trace.WriteLine("_OnGetHandleStatus");
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
Stat b;
Interop.CopyStat(buf, out b);
errno = _filesystem.OnGetHandleStatus(path, info, out b);
if (errno == 0)
{
Interop.CopyStat(ref b, buf);
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
private void GetDirectoryEnumerator(
string path, IntPtr fi, out long offset, out Errno errno)
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
offset = -1;
IEnumerable <DirectoryEntry> paths;
errno = _filesystem.OnReadDirectory(path, info, out paths);
if (errno != 0)
{
return;
}
if (paths == null)
{
Trace.WriteLine("OnReadDirectory: errno = 0 but paths is null!");
errno = Errno.EIO;
return;
}
IEnumerator <DirectoryEntry> e = paths.GetEnumerator();
if (e == null)
{
Trace.WriteLine("OnReadDirectory: errno = 0 but enumerator is null!");
errno = Errno.EIO;
return;
}
int key;
lock (directoryLock)
{
do
{
key = directoryKeys.Next(1, int.MaxValue);
} while (directoryReaders.ContainsKey(key.ToString()));
directoryReaders[key.ToString()] = new EntryEnumerator(e);
}
PathInfo.CopyToPtr(info, fi);
offset = key;
errno = 0;
}
private int _OnReleaseHandle(string path, IntPtr fi)
{
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
errno = _filesystem.OnReleaseHandle(path, info);
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
private int _OnTruncateHandle(string path, long length, IntPtr fi)
{
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
errno = _filesystem.OnTruncateHandle(path, info, length);
if (errno == 0)
{
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
private int _OnCreateHandle(string path, uint mode, IntPtr fi)
{
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
FilePermissions _mode = NativeConvert.ToFilePermissions(mode);
errno = _filesystem.OnCreateHandle(path, info, _mode);
if (errno == 0)
{
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
private int _OnSynchronizeHandle(
string path, bool onlyUserData, IntPtr fi)
{
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
errno = _filesystem.OnSynchronizeHandle(path, info, onlyUserData);
if (errno == 0)
{
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
private int _OnOpenDirectory(string path, IntPtr fi)
{
Trace.WriteLine("_OnOpenDirectory");
Errno errno;
try
{
PathInfo info = new PathInfo();
PathInfo.CopyFromPtr(fi, info);
errno = _filesystem.OnOpenDirectory(path, info);
if (errno == 0)
{
PathInfo.CopyToPtr(info, fi);
}
}
catch (Exception e)
{
Trace.WriteLine(e.ToString());
errno = Errno.EIO;
}
return(Interop.ConvertErrno(errno));
}
