RabbitMQ 异步支持_C#/.NET开发问题-跟版网

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问题描述

RabbitMQ .NET 客户端是否有任何类型的异步支持?我希望能够异步连接和使用消息，但到目前为止还没有找到方法.

Does the RabbitMQ .NET client have any sort of asynchronous support? I'd like to be able to connect and consume messages asynchronously, but haven't found a way to do either so far.

(对于消费消息，我可以使用 EventingBasicConsumer，但这不是一个完整的解决方案.)

只是为了提供一些上下文，这是我目前如何使用 RabbitMQ 的一个示例(代码取自我的博客):

Just to give some context, this is an example of how I'm working with RabbitMQ at the moment (code taken from my blog):

var factory = new ConnectionFactory() { HostName = "localhost" };

using (var connection = factory.CreateConnection())
{
    using (var channel = connection.CreateModel())
    {
        channel.QueueDeclare("testqueue", true, false, false, null);

        var consumer = new EventingBasicConsumer(channel);
        consumer.Received += Consumer_Received;
        channel.BasicConsume("testqueue", true, consumer);

        Console.ReadLine();
    }
}

推荐答案

Rabbit 支持使用 AsyncEventingBasicConsumer 类分派到异步消息处理程序.它的工作方式类似于 EventingBasicConsumer，但允许您注册一个返回 Task 的回调.回调被调度到，返回的 Task 由 RabbitMQ 客户端等待.

Rabbit supports dispatching to asynchronous message handlers using the AsyncEventingBasicConsumer class. It works similarly to EventingBasicConsumer, but allows you to register a callback which returns a Task. The callback is dispatched to and the returned Task is awaited by the RabbitMQ client.

var factory = new ConnectionFactory
{
    HostName = "localhost",
    DispatchConsumersAsync = true
};

using(var connection = cf.CreateConnection())
{
    using(var channel = conn.CreateModel())
    {
        channel.QueueDeclare("testqueue", true, false, false, null);

        var consumer = new AsyncEventingBasicConsumer(model);

        consumer.Received += async (o, a) =>
        {
            Console.WriteLine("Message Get" + a.DeliveryTag);
            await Task.Yield();
        };
    }

    Console.ReadLine();
}

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RabbitMQ 异步支持

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