public NtStatus ReadFile(string filename, byte[] buffer, out int bytesRead, long offset, DokanFileInfo info)
{
FileHandle handle = info.Context as FileHandle;
Stream stream;
bytesRead = 0;
lock (_syncObj)
{
if (handle == null)
{
return(DokanResult.FileNotFound);
}
try
{
stream = handle.GetOrOpenStream();
if (stream == null)
{
return(DokanResult.FileNotFound);
}
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("Dokan: Error creating file stream of resource '{0}'", e, handle.Resource);
return(DokanResult.Error);
}
}
// Do the reading outside the lock - might block when not enough bytes are available
try
{
stream.Seek(offset, SeekOrigin.Begin);
bytesRead = stream.Read(buffer, 0, buffer.Length);
return(DokanResult.Success);
}
catch (Exception ex)
{
ServiceRegistration.Get <ILogger>().Warn("Dokan: Error reading from stream of resource '{0}'", ex, handle.Resource);
return(DokanResult.Error);
}
}
public int ReadFile(string filename, byte[] buffer, ref uint readBytes, long offset, DokanFileInfo info)
{
FileHandle handle = (FileHandle)info.Context;
Stream stream;
lock (_syncObj)
{
if (handle == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
try
{
stream = handle.GetOrOpenStream();
if (stream == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("Dokan: Error creating file stream of resource '{0}'", e, handle.Resource);
return(DokanNet.DOKAN_ERROR);
}
}
// Do the reading outside the lock - might block when not enough bytes are available
try
{
stream.Seek(offset, SeekOrigin.Begin);
readBytes = (uint)stream.Read(buffer, 0, buffer.Length);
return(DokanNet.DOKAN_SUCCESS);
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("Dokan: Error reading from stream of resource '{0}'", e, handle.Resource);
return(DokanNet.DOKAN_ERROR);
}
}