public async Task Handle(MqClient client, HorseMessage message, bool fromNode)
{
try
{
HorseQueue queue = _server.FindQueue(message.Target);
//if auto creation active, try to create queue
if (queue == null && _server.Options.AutoQueueCreation)
{
QueueOptions options = QueueOptions.CloneFrom(_server.Options);
queue = await _server.CreateQueue(message.Target, options, message, _server.DeliveryHandlerFactory, true, true);
}
if (queue == null)
{
if (!string.IsNullOrEmpty(message.MessageId))
{
await client.SendAsync(message.CreateResponse(HorseResultCode.NotFound));
}
return;
}
await HandlePullRequest(client, message, queue);
}
catch (Exception e)
{
_server.SendError("PULL_REQUEST", e, $"QueueName:{message.Target}");
}
}
/// <summary>
/// Triggers event and sends message to subscribers
/// </summary>
protected void Trigger(object model)
{
try
{
if (_subscribers.Count == 0)
{
return;
}
HorseMessage message = new HorseMessage(MessageType.Event, Target);
message.SetSource(Name);
if (model != null)
{
message.Serialize(model, _server.MessageContentSerializer);
}
byte[] data = HmqWriter.Create(message);
List <MqClient> removing = null;
lock (_subscribers)
foreach (MqClient subscriber in _subscribers)
{
//if client is disconnected, add it into removing list
if (!subscriber.IsConnected)
{
//removing list is created when it's needed
if (removing == null)
{
removing = new List <MqClient>();
}
removing.Add(subscriber);
}
else
{
_ = subscriber.SendAsync(data);
}
}
//if there are some removing clients from subscribers list, remove them
if (removing != null)
{
lock (_subscribers)
foreach (MqClient remove in removing)
{
_subscribers.Remove(remove);
}
}
}
catch (Exception e)
{
_server.SendError("EVENT_TRIGGER", e, $"Name:{Name}, Type:{GetType().Name}");
}
}
