private void EndReadStream(IAsyncResult callback)
{
int bytes = 0;
try {
lock (streamLock) {
if (stream == null || !stream.IsConnected)
{
return;
}
bytes = stream.EndRead(callback);
}
} catch (IOException) {
// The pipe has been closed
return;
} catch (NullReferenceException) {
return;
} catch (ObjectDisposedException) {
return;
} catch {
// Unknown error
return;
}
if (bytes > 0)
{
using (MemoryStream memory = new MemoryStream(buffer, 0, bytes)) {
try {
PipeFrame frame = new PipeFrame();
if (frame.ReadStream(memory))
{
lock (frameQueue) {
frameQueue.Enqueue(frame);
}
FrameReceived?.Invoke();
}
else
{
Close();
}
} catch {
Close();
}
}
}
if (!isClosed && IsConnected)
{
BeginReadStream();
}
}
public bool ReadFrame(out PipeFrame frame)
{
if (isDisposed)
{
throw new ObjectDisposedException(nameof(stream));
}
lock (frameQueue) {
if (frameQueue.Count == 0)
{
frame = default(PipeFrame);
return(false);
}
frame = frameQueue.Dequeue();
return(true);
}
}
public bool WriteFrame(PipeFrame frame)
{
if (isDisposed)
{
throw new ObjectDisposedException(nameof(stream));
}
if (isClosed || !IsConnected)
{
return(false);
}
try {
frame.WriteStream(stream);
return(true);
} catch {
// Nothing to do...
return(false);
}
}