/
client.go
360 lines (347 loc) · 10.3 KB
/
client.go
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package consumer
import (
"context"
"errors"
"fmt"
"github.com/apache/rocketmq-client-go/v2"
"github.com/apache/rocketmq-client-go/v2/consumer"
"github.com/apache/rocketmq-client-go/v2/primitive"
"github.com/apache/rocketmq-client-go/v2/rlog"
"github.com/ketianlin/kgin/logs"
"github.com/ketianlin/krocketmq/model"
"github.com/knadh/koanf"
"github.com/knadh/koanf/parsers/yaml"
"github.com/knadh/koanf/providers/rawbytes"
"github.com/levigross/grequests"
"github.com/sadlil/gologger"
"io/ioutil"
"runtime"
"strings"
"time"
)
type consumerClient struct {
conf *koanf.Koanf
confUrl string
conn rocketmq.PushConsumer
closeError error
config *model.Config
//timeTicker *time.Ticker
stopMqCheckTickerChan chan bool
}
var ConsumerClient = &consumerClient{}
var logger = gologger.GetLogger()
func (r *consumerClient) InitConfig(conf *model.Config, callback func(im *model.InitCallbackMessage)) {
if r.conn == nil {
// 日志级别设置
logLevel := r.getLogLevel(conf.ConsumerConfig.LogLevel)
rlog.SetLogLevel(logLevel)
c, err := rocketmq.NewPushConsumer(
consumer.WithNameServer(conf.NameServers), // 接入点地址
consumer.WithConsumerModel(consumer.Clustering), // 一条消息在一个组中只有一个consumer消费
consumer.WithGroupName(conf.ConsumerConfig.Group), // 分组名称
consumer.WithConsumerOrder(true), // *顺序接收 必须
//consumer.WithConsumeTimeout(time.Duration(conf.ConsumerConfig.Timeout)*time.Second),
)
cm := new(model.InitCallbackMessage)
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ创建消费者错误:%s\n", err.Error()))
cm.InitError = err
} else {
r.conn = c
logger.Debug("当前 krocketmq 版本:v1.0.18")
cm.Version = "当前 krocketmq 版本:v1.0.18"
r.config = conf
}
// 设置定时任务自动检查
r.mqCheckTicker(conf.ConsumerConfig.MonitoringTime, callback)
//r.timeTicker = time.NewTicker(time.Second * time.Duration(conf.ConsumerConfig.MonitoringTime))
//go func() {
// for _ = range r.timeTicker.C {
// err2 := r.MqCheck()
// if err2 != nil {
// cm := new(model.InitCallbackMessage)
// cm.MqCheckError = err2
// callback(cm)
// }
// }
//}()
callback(cm)
}
}
func (r *consumerClient) mqCheckTicker(monitoringTime int, callback func(im *model.InitCallbackMessage)) {
// 设置定时任务自动检查
tTicker := time.NewTicker(time.Second * time.Duration(monitoringTime))
r.stopMqCheckTickerChan = make(chan bool)
go func(ticker *time.Ticker, callback func(im *model.InitCallbackMessage)) {
defer ticker.Stop()
for {
select {
case <-ticker.C:
err2 := r.MqCheck()
if err2 != nil {
cm := new(model.InitCallbackMessage)
cm.MqCheckError = err2
callback(cm)
}
case stop := <-r.stopMqCheckTickerChan:
if stop {
logger.Error("关闭定时器检查rocketmq的连接是否存在任务")
return
}
}
}
}(tTicker, callback)
}
func (r *consumerClient) getLogLevel(level string) string {
var levelFlag string
switch strings.ToLower(level) {
case "debug":
levelFlag = "debug"
case "warn":
levelFlag = "warn"
case "error":
levelFlag = "error"
case "fatal":
levelFlag = "fatal"
default:
levelFlag = "info"
}
return levelFlag
}
func (r *consumerClient) Init(rocketmqConfigUrl string) {
if rocketmqConfigUrl != "" {
r.confUrl = rocketmqConfigUrl
}
if r.confUrl == "" {
logger.Error("rocketmq配置Url为空")
return
}
if r.conn == nil {
if r.conf == nil {
var confData []byte
var err error
if strings.HasPrefix(r.confUrl, "http://") {
resp, err := grequests.Get(r.confUrl, nil)
if err != nil {
logs.Error("RocketMQ配置下载失败!{} ", err.Error())
return
}
confData = []byte(resp.String())
} else {
confData, err = ioutil.ReadFile(r.confUrl)
if err != nil {
logs.Error("RocketMQ本地配置文件{}读取失败:{}", r.confUrl, err.Error())
return
}
}
r.conf = koanf.New(".")
err = r.conf.Load(rawbytes.Provider(confData), yaml.Parser())
if err != nil {
logs.Error("RocketMQ配置解析错误:{}", err.Error())
r.conf = nil
return
}
}
nameServers := r.conf.Strings("go.rocketmq.name_servers")
//timeout := r.conf.Int("go.rocketmq.consumer.timeout")
consumerGroup := r.conf.String("go.rocketmq.consumer.group")
// 日志级别设置
logLevel := r.getLogLevel(r.conf.String("go.rocketmq.consumer.log_level"))
rlog.SetLogLevel(logLevel)
c, err := rocketmq.NewPushConsumer(
consumer.WithNameServer(nameServers), // 接入点地址
consumer.WithConsumerModel(consumer.Clustering), // 一条消息在一个组中只有一个consumer消费
consumer.WithGroupName(consumerGroup), // 分组名称
consumer.WithConsumerOrder(true), // *顺序接收 必须
//consumer.WithConsumeTimeout(time.Duration(timeout)*time.Second),
)
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ创建消费者错误:%s\n", err.Error()))
} else {
r.conn = c
}
}
}
func (r *consumerClient) GetCloseError() error {
return r.closeError
}
func (r *consumerClient) Close() {
defer func() {
if r.stopMqCheckTickerChan != nil {
r.stopMqCheckTickerChan <- true
close(r.stopMqCheckTickerChan)
}
if e := recover(); e != nil {
switch e := e.(type) {
case string:
r.closeError = errors.New(e)
case runtime.Error:
r.closeError = errors.New(e.Error())
case error:
r.closeError = e
default:
r.closeError = errors.New("RocketMQ关闭消费者client错误")
}
}
}()
if r.conn != nil {
err := r.conn.Shutdown()
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ关闭消费者client错误:%s\n", err.Error()))
r.closeError = err
return
}
}
r.conn = nil
}
func (r *consumerClient) MessageListener(topicName string, listener func(msg []byte), callbacks ...func(err error)) {
err := r.conn.Subscribe(topicName, consumer.MessageSelector{}, func(ctx context.Context, msg ...*primitive.MessageExt) (consumer.ConsumeResult, error) {
for _, v := range msg {
//fmt.Println("收到:", string(v.Body)) // v.Body : 消息主体
go listener(v.Body)
}
return consumer.ConsumeSuccess, nil
})
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ消费者订阅【%s】主题失败,错误:%s\n", topicName, err.Error()))
if len(callbacks) > 0 {
callbacks[0](err)
}
}
forever := make(chan bool)
err = r.conn.Start()
if err != nil {
//defer func(conn rocketmq.PushConsumer) {
//
//}(r.conn)
err := r.conn.Shutdown()
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ消费者订阅【%s】主题错误后关闭:%s\n", topicName, err.Error()))
if len(callbacks) > 0 {
callbacks[0](err)
}
}
//log.Fatal(err)
}
<-forever
}
func (r *consumerClient) MessageListenerReturnFullMessage(topicName string, listener func(msg *primitive.MessageExt), callbacks ...func(err error)) {
defer func() {
if r.stopMqCheckTickerChan != nil {
r.stopMqCheckTickerChan <- true
close(r.stopMqCheckTickerChan)
}
if e := recover(); e != nil {
switch e := e.(type) {
case string:
r.closeError = errors.New(e)
case runtime.Error:
r.closeError = errors.New(e.Error())
case error:
r.closeError = e
default:
r.closeError = errors.New("RocketMQ关闭消费者client错误")
}
if len(callbacks) > 0 {
callbacks[0](r.closeError)
}
}
}()
err := r.conn.Subscribe(topicName, consumer.MessageSelector{}, func(ctx context.Context, msg ...*primitive.MessageExt) (consumer.ConsumeResult, error) {
for _, v := range msg {
go listener(v)
}
return consumer.ConsumeSuccess, nil
})
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ消费者订阅【%s】主题失败,错误:%s\n", topicName, err.Error()))
if len(callbacks) > 0 {
callbacks[0](err)
}
}
forever := make(chan bool)
err = r.conn.Start()
if err != nil {
errAll := err
err2 := r.conn.Shutdown()
if err2 != nil {
errAll = errors.Join(errAll, err2)
}
logger.Error(fmt.Sprintf("RocketMQ消费者订阅【%s】主题错误后关闭:%s\n", topicName, errAll.Error()))
if len(callbacks) > 0 {
callbacks[0](err)
}
}
<-forever
}
func (r *consumerClient) MessageListenerNew(topicName string, listener func(topicName string, msg []byte), callbacks ...func(err error)) {
err := r.conn.Subscribe(topicName, consumer.MessageSelector{}, func(ctx context.Context, msg ...*primitive.MessageExt) (consumer.ConsumeResult, error) {
for _, v := range msg {
//fmt.Println("收到:", string(v.Body)) // v.Body : 消息主体
go listener(topicName, v.Body)
}
return consumer.ConsumeSuccess, nil
})
if err != nil {
logger.Error(fmt.Sprintf("RocketMQ消费者订阅【%s】主题失败,错误:%s\n", topicName, err.Error()))
if len(callbacks) > 0 {
callbacks[0](err)
}
}
forever := make(chan bool)
err = r.conn.Start()
if err != nil {
err2 := r.conn.Shutdown()
errAll := err
if err2 != nil {
errAll = errors.Join(errAll, err2)
}
errMsg := fmt.Sprintf("RocketMQ消费者启动监听【%s】主题失败:%s\n", topicName, errAll.Error())
logger.Error(errMsg)
if len(callbacks) > 0 {
callbacks[0](err)
}
//log.Fatal(errors.New(errMsg))
}
<-forever
close(forever)
}
func (r *consumerClient) MqCheck() (err error) {
defer func() {
if e := recover(); e != nil {
var errMsg string
switch e := e.(type) {
case string:
errMsg = e
case runtime.Error:
errMsg = e.Error()
case error:
errMsg = e.Error()
default:
errMsg = "未知错误"
}
err = errors.New(errMsg)
}
}()
var errorMsg string
if r.conn == nil {
errorMsg = "MQ连接 r.conn 连接为空:准备初始化MQ连接"
fmt.Println("MQ连接 r.conn 连接为空:准备初始化MQ连接")
if r.confUrl != "" {
errorMsg = fmt.Sprintf("%s 连接不为空,使用配置文件重新初始化MQ连接", r.confUrl)
logs.Debug("{} 连接不为空,使用配置文件重新初始化MQ连接", r.confUrl)
r.Init(r.confUrl)
} else {
errorMsg = fmt.Sprintf("%v 配置类不为空,使用配置类重新初始化MQ连接", r.config)
logs.Debug("{} 配置类不为空,使用配置类重新初始化MQ连接", r.config)
r.InitConfig(r.config, func(im *model.InitCallbackMessage) {
logs.Debug("MqCheck running...")
logs.Debug("InitCallbackMessage: {}", im)
})
}
}
if errorMsg != "" {
err = errors.New(errorMsg)
}
return err
}