package main

import (
    "context"
    "github.com/go-redis/redis/v8"
    "log"
    "sync"
)

var ctx = context.Background()

func ProducerMessageList(rdb *redis.Client, queueListKey string) {
    for i := 0; i < 100; i++ {
        _, err := rdb.Publish(ctx, queueListKey, i).Result()
        if err != nil {
            log.Println(err)
        }
    }
}

func ConsumerMessageList(pubSub *redis.PubSub, node int) {
    for {
        ch := pubSub.Channel()
        for msg := range ch {
            log.Printf("消费者 %d ------------------ channel:%s；message:%s\n", node, msg.Channel, msg.Payload)
        }
    }
}

func main() {

    rdb := redis.NewClient(&redis.Options{
        Addr:     "192.168.117.129:6379",
        Password: "foobared", // no password set
        DB:       0,          // use default DB
    })
    // 测试连接是否成功
    _ = rdb.Ping(context.Background()).Err()

    go ProducerMessageList(rdb, "group1")

    pubSub := rdb.Subscribe(context.Background(), "group1")
    _ = pubSub.PSubscribe(context.Background(), "group1:*")

    var wg sync.WaitGroup
    for i := 0; i < 10; i++ {
        wg.Add(1)
        go ConsumerMessageList(pubSub, i)
    }
    wg.Wait()

}