/// <summary>
/// Publisher
/// </summary>
protected TResponse Publish <TRequest, TResponse>(TRequest request, TimeSpan?ttl)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (!(request is Exception) && Descriptor.IsAsync)
{
throw new NotSupportedException();
}
_consumer.Received += OnConsumerOnReceived;
var requestBytes = _serializer.Serialize(request);
var properties = GetBasicProperties(1, ttl);
properties.CorrelationId = Guid.NewGuid().ToString();
properties.ReplyTo = _model.QueueDeclare().QueueName;
_model.BasicConsume(properties.ReplyTo, true, _consumer);
_model.BasicPublish(string.Empty, Descriptor.QueueName, properties, requestBytes);
BasicDeliverEventArgs args;
try
{
var ctx = new CancellationTokenSource();
Task.Delay(_config.GetResponseTimeout(), CancellationToken.None).ContinueWith(c => ctx.Cancel(), CancellationToken.None);
args = _blockingCollection.Take(ctx.Token);
}
catch (OperationCanceledException)
{
throw new TimeoutException();
}
if (true != args.BasicProperties?.Headers?.ContainsKey(nameof(Exception)))
{
var response = _serializer.Deserialize(typeof(TResponse), args.Body);
return((TResponse)response);
}
var exception = _serializer.Deserialize(typeof(Exception), args.Body) as Exception ?? new SystemException();
throw exception;
}
