RabbitMQTutorials.02

using RabbitMQ.Client;
using System;
using System.Text;
using System.Threading;

namespace SampleStack.RabbitMQ.Producer
{
    class Program
    {
        static void Main(string[] args)
        {
            for (var i = 0; i < 1000; i++)
            {
                using (var connection = new ConnectionFactory() { HostName = "localhost" }.CreateConnection())
                using (var channel = connection.CreateModel())
                {
                    channel.QueueDeclare(queue: "work_queue", durable: true, exclusive: false, autoDelete: false, arguments: null); // durable: true -> 队列持久性

                    var properties = channel.CreateBasicProperties();
                    properties.Persistent = true; // Persistent = true -> 消息持久性

                    var message = i.ToString();

                    Console.WriteLine(message);

                    channel.BasicPublish(exchange: "", routingKey: "work_queue", basicProperties: properties, body: Encoding.UTF8.GetBytes(message));
                }

                Thread.Sleep(1000);
            }
        }
    }
}

// Install-Package RabbitMQ.Client

using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Text;
using System.Threading;

namespace SampleStack.RabbitMQ.Consumer
{
    class Program
    {
        static void Main(string[] args)
        {
            using (var connection = new ConnectionFactory() { HostName = "localhost" }.CreateConnection())
            using (var channel = connection.CreateModel())
            {
                channel.QueueDeclare(queue: "work_queue", durable: true, exclusive: false, autoDelete: false, arguments: null); // durable: true -> 队列持久性

                channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false); // 告知RabbitMQ，在未收到当前Worker消息确认信号前，不再分发给消息，确保公平调度

                var consumer = new EventingBasicConsumer(channel);

                consumer.Received += (sender, e) =>
                {
                    var message = Encoding.UTF8.GetString(e.Body);

                    Console.WriteLine(message);

                    Thread.Sleep(1000);

                    channel.BasicAck(deliveryTag: e.DeliveryTag, multiple: false); // 手动发送消息确认信号
                };

                channel.BasicConsume(queue: "work_queue", autoAck: false, consumer: consumer); // autoAck: false

                Console.ReadKey();
            }
        }
    }
}

// Install-Package RabbitMQ.Client