rabbitmq系列——（6 消息队列集群）

 　　rabbitmq 两种集群模式，普通模式和镜像队列模式，推荐后者。

　　普通模式介绍：

　　重点在于 元数据 ，node1故障了消息实体就无法消费了；node1节点恢复后可消费；没有持久化就是产生消息丢失；

　　 

　　镜像队列模式介绍： https://www.rabbitmq.com/ha.html

　　每一个节点都是 队列结构+元数据；

　　

　　配置安装教程，请参考 https://www.linuxidc.com/linux/2016-10/136492.htm

1. 生产者

using RabbitMQMsgProducer.MessageProducer;
using Microsoft.Extensions.Configuration;
using System;
using System.IO;
using RabbitMQMsgProducer.ExchangeDemo;
using RabbitMQMsgProducer.MessageConfirm;

namespace RabbitMQMsgProducer
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                {
                    // 消息集群
                    ProducerClustersMsgConfirm.Send();
                }
                Console.ReadLine();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

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

namespace RabbitMQMsgProducer.MessageConfirm
{
    public class ProducerClustersMsgConfirm
    {
        public static void Send()
        {
            ConnectionFactory factory = new ConnectionFactory();
            factory.VirtualHost = "/";
            factory.Port = 5672; // rabbitmq 消息集群端口
            factory.UserName = "fletcher"; // 用户名
            factory.Password = "fletcher"; // 密码
            //factory.AutomaticRecoveryEnabled = true;  //如果connection挂掉是否重新连接 
            //factory.TopologyRecoveryEnabled = true;   //连接恢复后，连接的交换机，队列等是否一同恢复
            string queueName = "ClustersMsgQueue";
            string exchangeName = "ClustersMsgExchange";
            string routingKeyName = "ClustersMsgRoutingKey";
            using (IConnection connection = factory.CreateConnection(new List<string>(){
                "192.168.1.110",
                "192.168.1.120",
            }))
            {
                using (IModel channel = connection.CreateModel())
                {
                    // 声明队列
                    channel.QueueDeclare(queue: queueName, durable: true, exclusive: false, autoDelete: false, arguments: null);
                    // 声明交换机
                    channel.ExchangeDeclare(exchange: exchangeName, type: ExchangeType.Direct, durable: true, autoDelete: false, arguments: null);
                    // 绑定
                    channel.QueueBind(queue: queueName, exchange: exchangeName, routingKey: routingKeyName, arguments: null);

                    Console.WriteLine("the producer is ready . GO !");
                    for (int i = 1; i <= 100; i++)
                    {
                        IBasicProperties basicProperties = channel.CreateBasicProperties();
                        basicProperties.Persistent = true;
                        string message = $"the message is : {i} .";
                        channel.BasicPublish(exchange: exchangeName, routingKey: routingKeyName, basicProperties: basicProperties, body: Encoding.UTF8.GetBytes(message));

                        Thread.Sleep(300);
                        Console.WriteLine($"the message is : {i} . is send .");
                    }
                    Console.Read();
                }
            }
        }
    }
}

2. 消费者

using RabbitMQMsgConsumer001.ExchangeDemo;
using RabbitMQMsgConsumer001.MessageConfirm;
using RabbitMQMsgConsumer001.MessageConsumer;
using System;
using System.Threading.Tasks;

namespace RabbitMQMsgConsumer001
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                {
                    // 消息集群
                    ConsumerClustersMsgConfirm.Receive();
                }
                Console.ReadLine();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

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

namespace RabbitMQMsgConsumer001.MessageConfirm
{
    public class ConsumerClustersMsgConfirm
    {
        public static void Receive()
        {
            ConnectionFactory factory = new ConnectionFactory();
            factory.VirtualHost = "/";
            factory.Port = 5672; // rabbitmq 消息集群端口
            factory.UserName = "fletcher"; // 用户名
            factory.Password = "fletcher"; // 密码
            //factory.AutomaticRecoveryEnabled = true;  //如果connection挂掉是否重新连接 
            //factory.TopologyRecoveryEnabled = true;   //连接恢复后，连接的交换机，队列等是否一同恢复
            string queueName = "ClustersMsgQueue";
            string exchangeName = "ClustersMsgExchange";
            string routingKeyName = "ClustersMsgRoutingKey";
            using (IConnection connection = factory.CreateConnection(new List<string>(){
                "192.168.1.110",
                "192.168.1.120",
            }))
            {
                using (IModel channel = connection.CreateModel())
                {
                    // 声明队列
                    channel.QueueDeclare(queue: queueName, durable: true, exclusive: false, autoDelete: false, arguments: null);
                    // 声明交换机
                    channel.ExchangeDeclare(exchange: exchangeName, type: ExchangeType.Direct, durable: true, autoDelete: false, arguments: null);
                    // 绑定
                    channel.QueueBind(queue: queueName, exchange: exchangeName, routingKey: routingKeyName, arguments: null);

                    Console.WriteLine("the consumer is ready . GO !");

                    EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
                    consumer.Received += (model, ea) =>
                    {
                        var message = Encoding.UTF8.GetString(ea.Body.ToArray());
                        //手动确认  消息正常消费  告诉Broker把当前这条消息删除掉
                        channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
                        Console.WriteLine($"received : {message}");
                        Thread.Sleep(300);
                    };
                    // autoAck: false  手动确认
                    channel.BasicConsume(queue: queueName, autoAck: false, consumer: consumer);

                    Console.Read();
                }
            }
        }
    }
}

 3. 结果