public async Task <object> SendAsync(Packet packet)
{
if (packet.GetState() == PacketState.Cancelled)
{
throw new CancelledException();
}
_queue.Add(packet);
if (_state != SocketState.Connected)
{
var sendTask = packet.SendSubject.Amb(Observable.Timer(TimeSpan.FromMilliseconds(120 * 1000)).Select <long, Dictionary <string, object> >(x => null)).Where(x => x != null).Take(1).ToTask();
var cancelTask = packet.CancelObs.Amb(Observable.Timer(TimeSpan.FromMilliseconds(120 * 1000)).Select <long, Unit>(x => Unit.Default)).Take(1).ToTask();
var firstFinishedTask = await Task.WhenAny(sendTask, cancelTask);
if (firstFinishedTask == cancelTask)
{
throw new CancelledException();
}
return(await sendTask);
}
var timeout = packet.GetTimeout(_options.ReplyTimeout);
var d = Observable.Return <Reply>(null);
var replyTask = _reply.Amb(Observable.Timer(TimeSpan.FromMilliseconds(timeout)).Select <long, Reply>(x => null)).Where(x => x != null && x.Id == packet.Id).Take(1).ToTask();
var cancelTask2 = packet.CancelObs.Amb(Observable.Timer(TimeSpan.FromMilliseconds(timeout + 1)).Select <long, Unit>(x => Unit.Default)).Take(1).ToTask();
var closeTask = _close.Amb(Observable.Timer(TimeSpan.FromMilliseconds(timeout + 1)).Select <long, object>(x => new object())).Take(1).ToTask();
var race = Task.WhenAny(replyTask, cancelTask2, closeTask);//.ContinueWith(finishedTask =>
_send.OnNext(race);
packet.SetState(PacketState.Sending);
_ = SendPacketInnerAsync(packet);
var finishTask = await race;
if (finishTask == replyTask)
{
_queue.TryRemove(packet);
if (replyTask.Result.Error != null)
{
throw replyTask.Result.Error;
}
packet.SendSubject.OnNext(replyTask.Result.Result);
return(replyTask.Result.Result);
}
else if (finishTask == cancelTask2)
{
throw new CancelledException();
}
else if (finishTask == closeTask)
{
if (!_queue.Contains(packet))
{
return(null);
}
packet.SetState(PacketState.Pending);
return(await SendAsync(packet));
}
else
{
return(null);
}
}