goUpload/consumers/consumerCQZG.go

package consumers

import (
	"encoding/json"
	"goUpload/adaptors"
	"goUpload/consumers/CQZG"
	"goUpload/dbHelper"
	"log"
	"os"
	"strings"
	"time"
)

type consumerCQZG struct {
	//数据缓存管道
	ch_t500101 chan []byte
	//具体配置
	Info    CQZG.ConfigFile
	InMqtt  *dbHelper.MqttHelper
	outMqtt *dbHelper.MqttHelper
}

func (the *consumerCQZG) LoadConfigJson(cfgStr string) {
	// 将 JSON 格式的数据解析到结构体中
	err := json.Unmarshal([]byte(cfgStr), &the.Info)
	if err != nil {
		log.Printf("读取配置文件[%s]异常 err=%v", cfgStr, err.Error())
		panic(err)
	}
}

func (the *consumerCQZG) Initial(cfg string) error {
	the.LoadConfigJson(cfg)
	err := the.InputInitial()
	if err != nil {
		return err
	}
	err = the.OutputInitial()
	return err
}
func (the *consumerCQZG) InputInitial() error {
	os.Setenv("RC4Key", the.Info.Config.Rc4key)
	log.Printf("RC4Key=%s", the.Info.Config.Rc4key)
	the.ch_t500101 = make(chan []byte, 200)
	//数据入口
	the.InMqtt = dbHelper.MqttInitial(
		the.Info.Config.InMqtt.Host,
		the.Info.Config.InMqtt.Port,
		the.Info.Config.InMqtt.ClientId,
		the.Info.Config.InMqtt.UserName,
		the.Info.Config.InMqtt.Password,
		false)
	//inTopic := "Upload/#" //荔枝乌江大桥
	for _, inTopic := range the.Info.Config.InMqtt.Topics {
		the.InMqtt.Subscribe(inTopic, the.onData)
	}
	return nil
}
func (the *consumerCQZG) OutputInitial() error {
	//数据出口
	the.outMqtt = dbHelper.MqttInitial(
		the.Info.Config.OutMqtt.Host,
		the.Info.Config.OutMqtt.Port,
		the.Info.Config.OutMqtt.ClientId,
		the.Info.Config.OutMqtt.UserName,
		the.Info.Config.OutMqtt.Password,
		true,
		"consumers/CQZG/ssl/centerCA.crt")
	return nil
}
func (the *consumerCQZG) Work() {
	go func() {
		for {
			pushBytes := <-the.ch_t500101
			log.Printf("取出ch数据,剩余[%d] ", len(the.ch_t500101))

			for _, outTopic := range the.Info.Config.OutMqtt.Topics {
				log.Printf("推送[%s]: len=%d", outTopic, len(pushBytes))
				//hex.EncodeToString(pushBytes)
				the.outMqtt.Publish(outTopic, pushBytes)
			}
			time.Sleep(100 * time.Millisecond)
		}
	}()
}
func (the *consumerCQZG) onData(Topic string, Msg string) {
	if len(Msg) > 80 {
		log.Printf("mqtt-recv:[%s]:%s ...", Topic, Msg[:80])
	}
	var needPush []byte
	topicPrefixIndex := strings.LastIndex(Topic, "/")
	matchTopic := Topic[:topicPrefixIndex]
	adaptor := the.getAdaptor(matchTopic)
	if adaptor != nil {
		needPush = adaptor.Transform(Msg)
		if len(needPush) > 0 {
			the.ch_t500101 <- needPush
		}
	}
}
func (the *consumerCQZG) getAdaptor(flag string) (adaptor adaptors.IAdaptor) {
	RC4Key := os.Getenv("RC4Key")
	switch flag {
	case "upload/uds":
		log.Printf("[统一采集软件]-上报,准备处理")
		adaptor = adaptors.Adaptor_TYCJ_CQZG{IdMap: the.Info.SensorMap.TYCJsensorNameMap, RC4Key: RC4Key}
	case "upload/CZ":
		log.Printf("[称重软件]-上报,准备处理")
		adaptor = adaptors.Adaptor_OLCZ_CQZG{IdMap: the.Info.SensorMap.CZsensorRoadnoMap, RC4Key: RC4Key}
	case "upload/ZD":
		log.Printf("[振动软件]-上报,准备处理")
		adaptor = adaptors.Adaptor_ZD_CQZG{IdMap: the.Info.SensorMap.ZDsensorMCMap, RC4Key: RC4Key}
	default:
		log.Printf("[无匹配 %s],不处理", flag)
	}
	return adaptor
}