/// <inheritdoc />
/// <summary>
/// Create a new message queue
/// </summary>
/// <param name="queue">Message Queue connection instance</param>
/// <returns>true if the message queue was created; otherwise, false.</returns>
public bool Create(MQConnection queue)
{
if (Exist(queue))
{
return(false);
}
var client = new NsqdHttpClient(queue.Route.Replace(":4150", ":4151"), TimeSpan.FromSeconds(60));
client.CreateTopic(queue.Name);
client.CreateChannel(queue.Name, queue.Name);
return(true);
}
public void StartBus()
{
// TODO: Needs to move to NsqBus. See below comment about async bus start.
// TODO: This also makes an assumption nsqd is running locally on port 4151. Convenient for testing and sample
// TODO: apps, probably shouldn't be used in PROD. This needs to be thought through.
if (_preCreateTopicsAndChannels)
{
const string nsqdHttpAddress = "127.0.0.1:4151";
var nsqdHttpClient = new NsqdHttpClient(nsqdHttpAddress, TimeSpan.FromSeconds(5));
var wg = new WaitGroup();
foreach (var tch in GetHandledTopics())
{
foreach (var channel in tch.Channels)
{
string localTopic = tch.Topic;
string localChannel = channel;
wg.Add(1);
GoFunc.Run(() =>
{
try
{
nsqdHttpClient.CreateTopic(localTopic);
nsqdHttpClient.CreateChannel(localTopic, localChannel);
}
catch (Exception ex)
{
_nsqLogger.Output(LogLevel.Error,
string.Format("error creating topic/channel on {0} - {1}", nsqdHttpAddress, ex));
}
wg.Done();
}, "BusConfiguration pre-create topics/channels");
}
}
wg.Wait();
}
if (_busStateChangedHandler != null)
{
_busStateChangedHandler.OnBusStarting(this);
}
_bus = new NsqBus(
_topicChannelHandlers,
_dependencyInjectionContainer,
_messageTypeToTopicProvider,
_defaultMessageSerializer,
_nsqLogger,
_messageMutator,
_messageTopicRouter,
_nsqdPublisher
);
_bus.Start();
// TODO: BusConfiguration should not be responsible for these callbacks. With an async _bus.Start
// TODO: this will need to be moved to NsqBus.
if (_busStateChangedHandler != null)
{
_busStateChangedHandler.OnBusStarted(this, _bus);
}
}