从 0 到 1 实现完整的微服务框架-RocketMQ

# 所属集群名字
brokerClusterName=DefaultCluster

# broker 名字，注意此处不同的配置文件填写的不一样，如果在 broker-a.properties 使用: broker-a,
# 在 broker-b.properties 使用: broker-b
brokerName=broker-a

# 0 表示 Master，> 0 表示 Slave
brokerId=0

# nameServer地址，分号分割
# namesrvAddr=rocketmq-nameserver1:9876;rocketmq-nameserver2:9876

# 启动IP,如果 docker 报 com.alibaba.rocketmq.remoting.exception.RemotingConnectException: connect to <192.168.0.120:10909> failed
# 解决方式1 加上一句 producer.setVipChannelEnabled(false);，解决方式2 brokerIP1 设置宿主机IP，不要使用docker 内部IP
brokerIP1=192.168.0.2 #如果没有报错就不用管

# 在发送消息时，自动创建服务器不存在的topic，默认创建的队列数
defaultTopicQueueNums=4

# 是否允许 Broker 自动创建 Topic，建议线下开启，线上关闭 ！！！这里仔细看是 false，false，false
autoCreateTopicEnable=true

# 是否允许 Broker 自动创建订阅组，建议线下开启，线上关闭
autoCreateSubscriptionGroup=true

# Broker 对外服务的监听端口
listenPort=10911

# 删除文件时间点，默认凌晨4点
deleteWhen=04

# 文件保留时间，默认48小时
fileReservedTime=120

# commitLog 每个文件的大小默认1G
mapedFileSizeCommitLog=1073741824

# ConsumeQueue 每个文件默认存 30W 条，根据业务情况调整
mapedFileSizeConsumeQueue=300000

# destroyMapedFileIntervalForcibly=120000
# redeleteHangedFileInterval=120000
# 检测物理文件磁盘空间
diskMaxUsedSpaceRatio=88
# 存储路径
# storePathRootDir=/home/ztztdata/rocketmq-all-4.1.0-incubating/store
# commitLog 存储路径
# storePathCommitLog=/home/ztztdata/rocketmq-all-4.1.0-incubating/store/commitlog
# 消费队列存储
# storePathConsumeQueue=/home/ztztdata/rocketmq-all-4.1.0-incubating/store/consumequeue
# 消息索引存储路径
# storePathIndex=/home/ztztdata/rocketmq-all-4.1.0-incubating/store/index
# checkpoint 文件存储路径
# storeCheckpoint=/home/ztztdata/rocketmq-all-4.1.0-incubating/store/checkpoint
# abort 文件存储路径
# abortFile=/home/ztztdata/rocketmq-all-4.1.0-incubating/store/abort
# 限制的消息大小
maxMessageSize=65536

# flushCommitLogLeastPages=4
# flushConsumeQueueLeastPages=2
# flushCommitLogThoroughInterval=10000
# flushConsumeQueueThoroughInterval=60000

# Broker 的角色
# - ASYNC_MASTER 异步复制Master
# - SYNC_MASTER 同步双写Master
# - SLAVE
brokerRole=ASYNC_MASTER

# 刷盘方式
# - ASYNC_FLUSH 异步刷盘
# - SYNC_FLUSH 同步刷盘
flushDiskType=ASYNC_FLUSH

# 发消息线程池数量
# sendMessageThreadPoolNums=128
# 拉消息线程池数量
# pullMessageThreadPoolNums=128

version: '3.5'
services:
  rmqnamesrv:
    image: foxiswho/rocketmq:server
    container_name: rmqnamesrv
    ports:
      - 9876:9876
    volumes:
      - ./data/logs:/opt/logs
      - ./data/store:/opt/store
    networks:
        rmq:
          aliases:
            - rmqnamesrv

  rmqbroker:
    image: foxiswho/rocketmq:broker
    container_name: rmqbroker
    ports:
      - 10909:10909
      - 10911:10911
    volumes:
      - ./data/logs:/opt/logs
      - ./data/store:/opt/store
      - ./data/brokerconf/broker.conf:/etc/rocketmq/broker.conf
    environment:
        NAMESRV_ADDR: "rmqnamesrv:9876"
        JAVA_OPTS: " -Duser.home=/opt"
        JAVA_OPT_EXT: "-server -Xms128m -Xmx128m -Xmn128m"
    command: mqbroker -c /etc/rocketmq/broker.conf
    depends_on:
      - rmqnamesrv
    networks:
      rmq:
        aliases:
          - rmqbroker

  rmqconsole:
    image: styletang/rocketmq-console-ng
    container_name: rmqconsole
    ports:
      - 8080:8080
    environment:
        JAVA_OPTS: "-Drocketmq.namesrv.addr=rmqnamesrv:9876 -Dcom.rocketmq.sendMessageWithVIPChannel=false"
    depends_on:
      - rmqnamesrv
    networks:
      rmq:
        aliases:
          - rmqconsole

networks:
  rmq:
    name: rmq
    driver: bridge

docker-compose up

public enum SendStatus {
	SEND_ OK; // 成功
	FLUSH_ DISK_ TIMEOUT;
    FLUSH_ SLAVE TIMEOUT;
	SLAVE_ NOT_ AVAILABLE;
}

msg.setDelayLevel(2);
SendResult sendResult = producer.send(msg)

package main

import (
	"context"
	"fmt"
	"os"
	"strconv"

	"github.com/apache/rocketmq-client-go/v2"
	"github.com/apache/rocketmq-client-go/v2/primitive"
	"github.com/apache/rocketmq-client-go/v2/producer"
)

// Package main implements a simple producer to send message.
func main() {
	p, err := rocketmq.NewProducer(
		producer.WithNsResolver(primitive.NewPassthroughResolver([]string{"192.168.0.2:9876"})),
		producer.WithRetry(2),
	)

	if err != nil {
		fmt.Printf("new producer error: %s", err.Error())
		os.Exit(1)
	}
	err = p.Start()
	if err != nil {
		fmt.Printf("start producer error: %s", err.Error())
		os.Exit(1)
	}
	topic := "hellomq"

	for i := 0; i < 10; i++ {
		msg := &primitive.Message{
			Topic: topic,
			Body:  []byte("Hello RocketMQ Go Client! " + strconv.Itoa(i)),
		}
		res, err := p.SendSync(context.Background(), msg)

		if err != nil {
			fmt.Printf("send message error: %s\n", err)
		} else {
			fmt.Printf("send message success: result=%s\n", res.String())
		}
	}
	err = p.Shutdown()
	if err != nil {
		fmt.Printf("shutdown producer error: %s", err.Error())
	}
}

package main

import (
	"context"
	"fmt"
	"os"
	"time"

	"github.com/apache/rocketmq-client-go/v2"
	"github.com/apache/rocketmq-client-go/v2/consumer"
	"github.com/apache/rocketmq-client-go/v2/primitive"
)

func main() {
	// 服务器有数据会推给回调
	c, _ := rocketmq.NewPushConsumer(
		// GroupName 多个实例负载均衡
		consumer.WithGroupName("testGroup"),
		consumer.WithNsResolver(primitive.NewPassthroughResolver([]string{"192.168.0.2:9876"})),
	)
	err := c.Subscribe("hellomq", consumer.MessageSelector{}, func(ctx context.Context,
		msgs ...*primitive.MessageExt) (consumer.ConsumeResult, error) {
		for i := range msgs {
			fmt.Printf("subscribe callback: %v \n", msgs[i])
		}

		return consumer.ConsumeSuccess, nil
	})
	if err != nil {
		fmt.Println(err.Error())
	}
	// Note: start after subscribe
	err = c.Start()
	if err != nil {
		fmt.Println(err.Error())
		os.Exit(-1)
	}
	time.Sleep(time.Hour)
	err = c.Shutdown()
	if err != nil {
		fmt.Printf("shutdown Consumer error: %s", err.Error())
	}
}

package main

import (
	"context"
	"fmt"
	"os"

	"github.com/apache/rocketmq-client-go/v2"
	"github.com/apache/rocketmq-client-go/v2/primitive"
	"github.com/apache/rocketmq-client-go/v2/producer"
)

func main() {
	p, _ := rocketmq.NewProducer(
		producer.WithNsResolver(primitive.NewPassthroughResolver([]string{"127.0.0.1:9876"})),
		producer.WithRetry(2),
	)
	err := p.Start()
	if err != nil {
		fmt.Printf("start producer error: %s", err.Error())
		os.Exit(1)
	}
	for i := 0; i < 10; i++ {
		msg := primitive.NewMessage("hellomq", []byte("Hello RocketMQ Go Client!"))
		msg.WithDelayTimeLevel(2) // 设置延迟的级别
		res, err := p.SendSync(context.Background(), msg)

		if err != nil {
			fmt.Printf("send message error: %s\n", err)
		} else {
			fmt.Printf("send message success: result=%s\n", res.String())
		}
	}
	err = p.Shutdown()
	if err != nil {
		fmt.Printf("shutdown producer error: %s", err.Error())
	}

}

package main

import (
   "context"
   "fmt"
   "os"
   "strconv"
   "time"

   "github.com/apache/rocketmq-client-go/v2"
   "github.com/apache/rocketmq-client-go/v2/primitive"
   "github.com/apache/rocketmq-client-go/v2/producer"
)

type DemoListener struct {
}

func NewDemoListener() *DemoListener {
   return &DemoListener{}
}

func (dl *DemoListener) ExecuteLocalTransaction(msg *primitive.Message) primitive.LocalTransactionState {
   fmt.Println("开始执行本地逻辑")
   time.Sleep(time.Second * 3)
   fmt.Println("执行本地逻辑成功")
   //return primitive.CommitMessageState
   //return primitive.RollbackMessageState
   // 本地执行逻辑无缘无故失败 代码异常、宕机
   return primitive.UnknowState
}

func (dl *DemoListener) CheckLocalTransaction(msg *primitive.MessageExt) primitive.LocalTransactionState {
   fmt.Println("rocketMQ 的消息回查")
   time.Sleep(time.Second * 4)
   return primitive.CommitMessageState
}

func main() {
   p, _ := rocketmq.NewTransactionProducer(
      NewDemoListener(),
      producer.WithNsResolver(primitive.NewPassthroughResolver([]string{"192.168.0.2:9876"})),
      producer.WithRetry(1),
   )
   err := p.Start()
   if err != nil {
      fmt.Printf("start producer error: %s\n", err.Error())
      os.Exit(1)
   }

   for i := 0; i < 1; i++ {
      res, err := p.SendMessageInTransaction(context.Background(),
         primitive.NewMessage("transaction", []byte("Hello RocketMQ again "+strconv.Itoa(i))))

      if err != nil {
         fmt.Printf("send message error: %s\n", err)
      } else {
         fmt.Printf("send message success: result=%s\n", res.String())
      }
   }
   // 回查
   time.Sleep(5 * time.Minute)
   err = p.Shutdown()
   if err != nil {
      fmt.Printf("shutdown producer error: %s", err.Error())
   }
}