public void Send(Envelope env)
{
Log.Debug("Enter Send");
// first, get the topology based on the headers
RoutingInfo routing = this.GetRoutingFromCacheOrService(_routingInfoCache, _topoSvc, env.Headers);
// next, pull out all the producer exchanges
IEnumerable <Exchange> exchanges =
from route in routing.Routes
select route.ProducerExchange;
// for each exchange, send the envelope
foreach (Exchange ex in exchanges)
{
Log.Debug("Sending to exchange: " + ex.ToString());
IConnection conn = _connFactory.ConnectTo(ex);
using (IModel channel = conn.CreateModel())
{
IBasicProperties props = channel.CreateBasicProperties();
props.Headers = env.Headers as IDictionary;
channel.ExchangeDeclare(ex.Name, ex.ExchangeType, ex.IsDurable, ex.IsAutoDelete, ex.Arguments);
channel.BasicPublish(ex.Name, ex.RoutingKey, props, env.Payload);
// close the channel, but not the connection. Channels are cheap.
channel.Close();
}
}
Log.Debug("Leave Send");
}
protected RabbitListener createListener(IRegistration registration, Exchange exchange)
{
// create a channel
var connection = _connFactory.ConnectTo(exchange);
// create a listener
RabbitListener listener = new RabbitListener(registration, exchange, connection);
listener.OnEnvelopeReceived += dispatcher =>
{
Log.Debug("Got an envelope from the RabbitListener: dispatching.");
// the dispatcher encapsulates the logic of giving the envelope to handlers
dispatcher.Dispatch();
};
listener.OnClose += _listeners.Remove;
//TODO: Resolve that RabbitListener does not implement OnConnectionError
//listener.OnConnectionError(new ReconnectOnConnectionErrorCallback(_channelFactory));
// store the listener
_listeners.Add(registration, listener);
// put it on another thread so as not to block this one
// don't continue on this thread until we've started listening
ManualResetEvent startEvent = new ManualResetEvent(false);
Thread listenerThread = new Thread(listener.Start);
listenerThread.Name = string.Format("{0} on {1}:{2}{3}", exchange.QueueName, exchange.HostName, exchange.Port, exchange.VirtualHost);
listenerThread.Start(startEvent);
return(listener);
}
