public SubscriptionInfo(SubscriptionAction subscriptionAction, MessageBusConsumer consumer, MessageCallback callback, bool modelIsSingleUse, IModel channel)
{
SubscriptionAction = subscriptionAction;
Consumer = consumer;
Callback = callback;
ModelIsSingleUse = modelIsSingleUse;
Channel = channel;
}
public virtual void Subscribe(IQueue queue, Func <Byte[], MessageProperties, MessageReceivedInfo, Task> onMessage)
{
Preconditions.CheckNotNull(queue, "queue");
Preconditions.CheckNotNull(onMessage, "onMessage");
if (disposed)
{
throw new Exception("This bus has been disposed");
}
var subscriptionAction = new SubscriptionAction(queue.IsSingleUse);
subscriptionAction.Action = () =>
{
var channel = PersistentConnection.CreateModel();
channel.ModelShutdown += (model, reason) => Logger.Debug(string.Format("Model Shutdown for queue: '{0}'", queue.Name));
queue.Visit(new TopologyBuilder(channel));
//channel.BasicQos(0, connectionConfiguration.PrefetchCount, false);
channel.BasicQos(0, 50, false);
var consumer = ConsumerFactory.CreateConsumer(subscriptionAction, channel, queue.IsSingleUse,
(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body) =>
{
var messageRecievedInfo = new MessageReceivedInfo
{
ConsumerTag = consumerTag,
DeliverTag = deliveryTag,
Redelivered = redelivered,
Exchange = exchange,
RoutingKey = routingKey
};
MessageProperties messageProperties = new MessageProperties();
properties.CopyTo(messageProperties);
return(onMessage(body, messageProperties, messageRecievedInfo));
});
channel.BasicConsume(
queue.Name, // queue
NoAck, // noAck
consumer.ConsumerTag, // consumerTag
consumer); // consumer
Logger.Debug(string.Format("Declared Consumer. queue='{0}', prefetchcount={1}",
queue.Name,
_connectionConfiguration.PrefetchCount));
};
AddSubscriptionAction(subscriptionAction);
}
public DefaultBasicConsumer CreateConsumer(
SubscriptionAction subscriptionAction,
IModel model,
bool modelIsSingleUse,
MessageCallback callback)
{
var consumer = new MessageBusConsumer(model, queue);
var consumerTag = Guid.NewGuid().ToString();
consumer.ConsumerTag = consumerTag;
subscriptions.Add(consumerTag, new SubscriptionInfo(subscriptionAction, consumer, callback, modelIsSingleUse, model));
return(consumer);
}
private void AddSubscriptionAction(SubscriptionAction subscriptionAction)
{
if (subscriptionAction.IsMultiUse)
{
_subscribeActions.Add(subscriptionAction);
}
try
{
subscriptionAction.Action();
}
catch (OperationInterruptedException)
{
}
catch (Exception)
{
// Looks like the channel closed between our IsConnected check
// and the subscription action. Do nothing here, when the
// connection comes back, the subcription action will be run then.
}
}
public SubscriptionInfo(SubscriptionAction subscriptionAction, MessageBusConsumer consumer, MessageCallback callback, bool modelIsSingleUse, IModel channel)
{
SubscriptionAction = subscriptionAction;
Consumer = consumer;
Callback = callback;
ModelIsSingleUse = modelIsSingleUse;
Channel = channel;
}
public DefaultBasicConsumer CreateConsumer(
SubscriptionAction subscriptionAction,
IModel model,
bool modelIsSingleUse,
MessageCallback callback)
{
var consumer = new MessageBusConsumer(model, queue);
var consumerTag = Guid.NewGuid().ToString();
consumer.ConsumerTag = consumerTag;
subscriptions.Add(consumerTag, new SubscriptionInfo(subscriptionAction, consumer, callback, modelIsSingleUse, model));
return consumer;
}