/// <summary>
/// 创建消费监听
/// </summary>
/// <returns></returns>
private IModel CreateConsumerChannel()
{
// 已创建消费通道
_createdConsumerChannel = true;
if (!_persistentConnection.IsConnected)
{
_persistentConnection.TryConnect();
}
var channel = _persistentConnection.CreateModel();
channel.ExchangeDeclare(exchange: BROKER_NAME,
type: "direct");
channel.QueueDeclare(queue: _queueName,
durable: true,
exclusive: false,
autoDelete: false,
arguments: new Dictionary <string, object> {
{ "x-queue-mode", "lazy" }
});
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async(model, ea) =>
{
var eventName = ea.RoutingKey;
var message = Encoding.UTF8.GetString(ea.Body);
await _subsManager.ProcessEvent(eventName, message);
channel.BasicAck(ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: _queueName,
autoAck: false,
consumer: consumer);
channel.CallbackException += (sender, ea) =>
{
_consumerChannel.Dispose();
_consumerChannel = CreateConsumerChannel();
};
channel.BasicQos(0, 1, false);
return(channel);
}
private IModel CreateConsumerChannel(string exchangeName)
{
if (!_persistentConnection.IsConnected)
{
_persistentConnection.TryConnect();
}
var channel = _persistentConnection.CreateModel();
channel.ExchangeDeclare(exchange: exchangeName,
type: "direct");
_queueName = channel.QueueDeclare(QueueName).QueueName;
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async(model, ea) =>
{
var eventName = ea.RoutingKey;
var message = Encoding.UTF8.GetString(ea.Body);
await _subsManager.ProcessEvent(eventName, message);
};
channel.BasicConsume(queue: _queueName,
autoAck: false,
consumer: consumer);
channel.CallbackException += (sender, ea) =>
{
_consumerChannel.Dispose();
_consumerChannel = CreateConsumerChannel(exchangeName);
};
return(channel);
}
public override void Publish(IntegrationEvent @event)
{
var eventName = _subsManager.GetEventKey(@event);
_subsManager.ProcessEvent(eventName, eventObject: @event);
}
