/// <summary>
/// 订阅消息
/// </summary>
/// <typeparam name="T">消息数据类型</typeparam>
/// <param name="queueName">队列名称</param>
/// <param name="callback">回调方法</param>
public void Subscribe <T>(string queueName, Func <T, Result> callback)
{
RpcServer.AddConsumers(queueName, (bytes) =>
{
var data = bytes.FromSerialization <T>();
return(callback?.Invoke(data) ?? new Result {
Success = true
});
});
}
/// <summary>
/// 实例化<see cref="MessageQueue"/>
/// <param name="logging">日志模块</param>
/// </summary>
public MessageQueue(ILogging logging)
{
Logging = logging;
Connection = Instance.Connection;
Channel = Connection.CreateModel();
const string queueName = "rpc_channel";
Channel.QueueDeclare(queue: queueName, durable: true, exclusive: false, autoDelete: false);
RpcServer = new RpcServer(new Subscription(Channel, queueName));
RpcClient = new SimpleRpcClient(Channel, new PublicationAddress(
exchangeType: ExchangeType.Direct,
exchangeName: ExchangeName,
routingKey: queueName));
//MainLoop方法会阻塞线程, 所以要放到Task中
Task.Run(() => { RpcServer.MainLoop(); });
}
