public PublishPool(ILogger logger, IRabbitMQPersistentConnection persistentConnection, IEventSeralize seralize, string broker, bool allwaysEnableTrans)
{
BROKER_NAME = broker;
__seralize = seralize;
_logger = logger ?? throw new ArgumentNullException(nameof(logger), "not set logger");
_persistentConnection = persistentConnection;
_allwaysEnableTrans = allwaysEnableTrans;
CreatePublishChannel();
}
internal EventBusBase(ILogger <TEventBus> logger, IServiceProvider autofac, IEventSeralize seralize, IRabbitMQPersistentConnection persistentConnection, int cacheCount = 100)
{
_conn = persistentConnection ?? throw new ArgumentNullException(nameof(IRabbitMQPersistentConnection));
_conn.ConnectFail += Conn_ConnectFail;
ConnectionName = _conn.Name;
_logger = logger ?? throw new ArgumentNullException(nameof(ILogger <TEventBus>));
__seralize = seralize ?? throw new ArgumentNullException(nameof(IEventSeralize));
consumerInfos = new List <ConsumerConfig <TEventBus, TSub> >();
hanlerCacheMgr = new EventHanlerCacheMgr(cacheCount, autofac);
_pub_sub = persistentConnection.SubsFactory.GetOrCreateByQueue("publish");
channels = new ThreadDispatcher <QueueItem <TEventBus, TSub> >(StartProcess, Math.Min(8, Environment.ProcessorCount / 2))
{
UnCatchedException = LogError
};
}
/// <summary>
/// 创建指定序列化，连接地址，交换机名称的IDirectEventBus类型EventBus
/// </summary>
/// <param name="serializer"></param>
/// <param name="connSource">连接名称，由连接字符串中的name指定</param>
/// <param name="brokerName">交换机名称</param>
/// <param name="length"></param>
/// <returns></returns>
public IDirectEventBus GetDirect(IEventSeralize serializer, string connSource = "", string brokerName = "", int length = 100)
{
var key = new BusKey(connSource, brokerName);
if (DirectBusDic.TryGetValue(key, out IDirectEventBus bus))
{
return(bus);
}
var conn = _source.Get(connSource) ?? throw new ArgumentNullException(nameof(IRabbitMQPersistentConnection));
var connname = conn.Name;
DirectEventBus eventbus;
if (string.IsNullOrEmpty(brokerName))
{
eventbus = new DirectEventBus(_logger, _sp, conn, serializer, cacheCount: length);
}
else
{
eventbus = new DirectEventBus(brokerName, _logger, _sp, conn, serializer, cacheCount: length);
}
DirectBusDic.TryAdd(key, eventbus);
return(eventbus);
}
public TopicEventBusMQ(string brokerName, ILogger <ITopicEventBus> logger, IServiceProvider autofac, IRabbitMQPersistentConnection persistentConnection, IEventSeralize seralize, int cacheCount = 100)
: base(logger, autofac, seralize, persistentConnection, cacheCount)
{
this.brokerName = brokerName ?? throw new ArgumentNullException(nameof(brokerName), "broker name can not be null");
persistentConnection.TryConnect();
var channel = persistentConnection.CreateModel();
channel.ExchangeDeclare(brokerName, "topic", true, false, null);
channel.Dispose();
}
public TopicEventBusMQ(ILogger <ITopicEventBus> logger, IServiceProvider autofac, IRabbitMQPersistentConnection persistentConnection, IEventSeralize seralize, int cacheCount = 100)
: base(logger, autofac, seralize, persistentConnection, cacheCount)
{
}
/// <summary>
/// 创建默认的<see cref="IFanoutEventBus"/>实现
/// </summary>
/// <param name="builder"></param>
/// <param name="cacheLength"></param>
/// <param name="seralizer">默认使用<see cref="DefaultYDSeralizer"/> UTF8编码</param>
/// <param name="broker_name">交换机名称</param>
/// <returns></returns>
public static SoaServiceContainerBuilder UseFanoutEventBus(this SoaServiceContainerBuilder builder, int cacheLength = 0, IEventSeralize seralizer = null, string broker_name = "")
{
builder.Services.AddSingleton(sp =>
{
var fact = sp.GetService <EventBusFactory>();
seralizer ??= new DefaultYDSeralizer(Encoding.UTF8);
var bus = fact.GetFanout(seralizer, "", broker_name, cacheLength);
return(bus);
});
return(builder);
}
