/// <summary>
/// 消费方注册
/// </summary>
/// <param name="host"></param>
/// <param name="configurator"></param>
public void SubscribeAt(string host, IConsumeConfigurator configurator, ushort threadCount = 0)
{
var url = string.Format("rabbitmq://{0}", host);
var allEvents = _reg.GetAllInstance <IEvent>().ToList();
var busControl = Bus.Factory.CreateUsingRabbitMq(cfg =>
{
cfg.Host(new Uri(url), h =>
{
h.Username(rabbitMQConfig.Username);
h.Password(rabbitMQConfig.Password);
});
//cfg.UseConcurrencyLimit(2);
foreach (var eventType in allEvents)
{
var @event = eventType as Event;
cfg.ReceiveEndpoint(@event.QueueName, x =>
{
if (!string.IsNullOrEmpty(@event.ExchangeName))
{
x.ConfigureConsumeTopology = false;
x.Bind(@event.ExchangeName, a =>
{
a.RoutingKey = @event.RoutingKey;
a.ExchangeType = @event.ExchangeType;
a.Durable = true;
});
}
x.UseMessageRetry(r =>
{
//按照2,4,8,16进行4次重试，单位秒
r.Exponential(ConstField.RetryCount, TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(16), TimeSpan.FromSeconds(2));
r.Handle <RequeueException>();
});
//异常记录
x.UseExceptionLogger();
//启动的线程数量,不设置的时候一般默认为cpu核数的两倍
//PrefetchCount:unack的数量
//UseConcurrencyLimit 线程的数量
if (threadCount > 0)
{
x.PrefetchCount = threadCount;
cfg.UseConcurrencyLimit(threadCount);
}
var consumers = GetQueueConsumers(eventType.GetType());
configurator.Configure(x, cfg, consumers);
});
}
});
busControl.Start();
}
/// <summary>
/// 配置发布者
/// 根据IEvent消息去做配置
/// </summary>
/// <param name="fcg"></param>
public void ConfigurePublisher(IRabbitMqBusFactoryConfigurator fcg)
{
var allEvents = _reg.GetAllInstance <IEvent>().ToList();
foreach (var eventType in allEvents)
{
var type = eventType.GetType();
Invoke(this, new Type[] { type }, "SetPublishConfig", fcg);
}
}