private void OnSendCompleted(IAsyncResult ar)
{
try { _stream.EndWrite(ar); }
catch (Exception) {
// ignore errors, let the receiving end take care of that.
return;
}
var isComplete = _encoder.OnSendCompleted(_writeBuffer.Count);
if (!isComplete)
{
_encoder.Send(_writeBuffer);
_stream.BeginWrite(_writeBuffer.Buffer, _writeBuffer.Offset, _writeBuffer.Count, OnSendCompleted, null);
return;
}
var msg = _currentOutboundMessage;
lock (_outboundMessages) {
if (!_outboundMessages.TryDequeue(out _currentOutboundMessage))
{
_currentOutboundMessage = null;
_sendCompleteAction(this, msg);
return;
}
}
_sendCompleteAction(this, msg);
SendCurrent();
}
/// <summary>
/// Send a new message
/// </summary>
/// <param name="message">Message to send</param>
/// <remarks>
/// <para>
/// Outbound messages are enqueued and sent in order.
/// </para>
/// <para>
/// You may enqueue <c>byte[]</c> arrays or <see cref="Stream" /> objects. They will not be serialized but
/// MicroMessage framed directly.
/// </para>
/// </remarks>
public void Send(object message)
{
if (_socket == null || !_socket.Connected)
{
throw new SocketException((int)SocketError.NotConnected);
}
_sendLock.Wait();
_messagePendingSendOperation = message;
_encoder.Prepare(message);
_encoder.Send(_writeArgsWrapper);
var isPending = _socket.SendAsync(_writeArgs);
if (!isPending)
{
OnSendCompleted(this, _writeArgs);
}
}
private void OnSendCompleted(object sender, SocketAsyncEventArgs e)
{
if (e.SocketError != SocketError.Success ||
e.BytesTransferred == 0)
{
// ignore errors, let the receiving end take care of that.
return;
}
var isComplete = _encoder.OnSendCompleted(e.BytesTransferred);
if (!isComplete)
{
_encoder.Send(_writeArgsWrapper);
var isPending = _socket.SendAsync(_writeArgs);
if (!isPending)
{
OnSendCompleted(this, _writeArgs);
}
return;
}
var msg = _currentOutboundMessage;
lock (_outboundMessages) {
if (!_outboundMessages.TryDequeue(out _currentOutboundMessage))
{
_currentOutboundMessage = null;
_sendCompleteAction(this, msg);
return;
}
}
_sendCompleteAction(this, msg);
SendCurrent();
}
