public override void SendResponseFromFile(string filename, long offset, long length)
{
if (offset == 0)
{
FileInfo info = new FileInfo(filename);
if (info.Length == length)
{
if (requestId == -1)
{
worker.SendFile(filename);
}
else
{
requestBroker.SendFile(requestId, filename);
}
return;
}
}
FileStream file = null;
try {
file = File.OpenRead(filename);
// We must not call the SendResponseFromFile overload which
// takes IntPtr in this case since it will callthe base
// implementation of that overload which, in turn, will
// close the handle (as it uses FileStream to wrap the
// handle we pass). This will cause the handle to be closed
// twice (FileStream owns the handle). So we just take a
// shortcut to what the base overload does here.
SendFromStream(file, offset, length);
} finally {
if (file != null)
{
file.Close();
}
}
}
