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README
Apache-2.0

Redis消息队列中间件

安装环境

  • .net core版本:2.1
  • redis版本:3.0以上

特点

1.通过注解的方式,订阅队列
2.可以设置消费消息的频次
3.支持消息广播
4.1.0.0.7版本新增延迟队列支持

应用场景

分布式环境,redis消息队列

使用介绍

  • 1.获取initQ包 方案A. install-package InitQ 方案B. nuget包管理工具搜索 InitQ

  • 2.添加中间件(该中间件依赖StackExchange.Redis)

    services.AddInitQ(m=> 
    {
        m.SuspendTime = 1000;
        m.ConnectionString = "47.104.247.70,password=admin";
        m.ListSubscribe = new List<Type>() { typeof(RedisSubscribeA), typeof(RedisSubscribeB) };
        m.ShowLog = false;
    });

消息发布/订阅

  • 1.定义发布者
      using (var scope = _provider.GetRequiredService<IServiceScopeFactory>().CreateScope())
      {
          //redis对象
          var _redis = scope.ServiceProvider.GetService<ICacheService>();
          //循环向 tibos_test_1 队列发送消息
          for (int i = 0; i < 1000; i++)
          {
              await _redis.ListRightPushAsync("tibos_test_1", $"我是消息{i + 1}号");
          }
      }
  • 2.定义消费者类 RedisSubscribeA
    public class RedisSubscribeA: IRedisSubscribe
    {
        [Subscribe("tibos_test_1")]
        private async Task SubRedisTest(string msg)
        {
            Console.WriteLine($"A类--->订阅者A消息消息:{msg}");
        }
    
        [Subscribe("tibos_test_1")]
        private async Task SubRedisTest1(string msg)
        {
            Console.WriteLine($"A类--->订阅者A1消息消息:{msg}");
        }
    
        [Subscribe("tibos_test_1")]
        private async Task SubRedisTest2(string msg)
        {
            Console.WriteLine($"A类--->订阅者A2消息消息:{msg}");
        }
    
        [Subscribe("tibos_test_1")]
        private async Task SubRedisTest3(string msg)
        {
            Console.WriteLine($"A类--->订阅者A3消息消息:{msg}");
        }
    }
  • 3.定义消费者类 RedisSubscribeB
    public class RedisSubscribeB : IRedisSubscribe
    {
        /// <summary>
        /// 测试
        /// </summary>
        /// <param name="msg"></param>
        /// <returns></returns>
        [Subscribe("tibos_test_1")]
        private async Task SubRedisTest(string msg)
        {
            Console.WriteLine($"B类--->订阅者B消费消息:{msg}");
        }
    }

消息广播/订阅

  • 1.订阅消息通道,订阅者需要在程序初始化的时候启动一个线程侦听通道,这里使用HostedService来实现,并注册到容器
      public class ChannelSubscribeA : IHostedService, IDisposable
      {
          private readonly IServiceProvider _provider;
          private readonly ILogger _logger;
    
          public ChannelSubscribeA(ILogger<TestMain> logger, IServiceProvider provider)
          {
              _logger = logger;
              _provider = provider;
          }
          public void Dispose()
          {
              _logger.LogInformation("退出");
          }
    
          public Task StartAsync(CancellationToken cancellationToken)
          {
              _logger.LogInformation("程序启动");
              Task.Run(async () =>
              {
                  using (var scope = _provider.GetRequiredService<IServiceScopeFactory>().CreateScope())
                  {
                      //redis对象
                      var _redis = scope.ServiceProvider.GetService<ICacheService>();
                      await _redis.SubscribeAsync("test_channel", new Action<RedisChannel, RedisValue>((channel, message) =>
                      {
                          Console.WriteLine("test_channel" + " 订阅服务A收到消息:" + message);
                      }));
    
                  }
              });
              return Task.CompletedTask;
          }
    
          public Task StopAsync(CancellationToken cancellationToken)
          {
              _logger.LogInformation("结束");
              return Task.CompletedTask;
          }
      }
      public class ChannelSubscribeB : IHostedService, IDisposable
      {
          private readonly IServiceProvider _provider;
          private readonly ILogger _logger;
    
          public ChannelSubscribeB(ILogger<TestMain> logger, IServiceProvider provider)
          {
              _logger = logger;
              _provider = provider;
          }
          public void Dispose()
          {
              _logger.LogInformation("退出");
          }
    
          public Task StartAsync(CancellationToken cancellationToken)
          {
              _logger.LogInformation("程序启动");
              Task.Run(async () =>
              {
                  using (var scope = _provider.GetRequiredService<IServiceScopeFactory>().CreateScope())
                  {
                      //redis对象
                      var _redis = scope.ServiceProvider.GetService<ICacheService>();
                      await _redis.SubscribeAsync("test_channel", new Action<RedisChannel, RedisValue>((channel, message) =>
                      {
                          Console.WriteLine("test_channel" + " 订阅服务B收到消息:" + message);
                      }));
    
                  }
              });
              return Task.CompletedTask;
          }
    
          public Task StopAsync(CancellationToken cancellationToken)
          {
              _logger.LogInformation("结束");
              return Task.CompletedTask;
          }
      }
  • 2.将HostedService类注入到容器
      services.AddHostedService<ChannelSubscribeA>();
      services.AddHostedService<ChannelSubscribeB>();
  • 3.广播消息
      using (var scope = _provider.GetRequiredService<IServiceScopeFactory>().CreateScope())
      {
          //redis对象
          var _redis = scope.ServiceProvider.GetService<ICacheService>();
          for (int i = 0; i < 1000; i++)
          {
              await _redis.PublishAsync("test_channel", $"往通道发送第{i}条消息");
          }
      }

使用zset实现延迟队列(>=1.0.0.7)

  • 1.定义发布者
      Task.Run(async () =>
      {
    
          using (var scope = _provider.GetRequiredService<IServiceScopeFactory>().CreateScope())
          {
              //redis对象
              var _redis = scope.ServiceProvider.GetService<ICacheService>();
    
              for (int i = 0; i < 100; i++)
              {
                  var dt = DateTime.Now.AddSeconds(3 * (i + 1));
                  //key:redis里的key,唯一
                  //msg:任务
                  //time:延时执行的时间
                  await _redis.SortedSetAddAsync("test_0625", $"延迟任务,第{i + 1}个元素,执行时间:{dt.ToString("yyyy-MM-dd HH:mm:ss")}", dt);
              }
          }
      });
  • 2.定义消费者
      //延迟队列
      [SubscribeDelay("test_0625")]
      private async Task SubRedisTest1(string msg)
      {
          Console.WriteLine($"A类--->当前时间:{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")} 订阅者延迟队列消息开始--->{msg}");
          //模拟任务执行耗时
          var m = new Random().Next(1,10);
          await Task.Delay(TimeSpan.FromSeconds(m));
          Console.WriteLine($"A类--->{msg} 结束<---");
      }

版本

  • V1.0 更新时间:2019-12-30

版本库:

作者:提伯斯

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