plc写入地址文件通过nsq从云端获取

zhangqian

2023-08-22 b483b294741920e90815c2d1f4c6827d9921310c

 nsq/msg_handler.go

@@ -2,13 +2,30 @@

import (
   "apsClient/conf"
   "apsClient/constvar"
   "apsClient/model"
   "apsClient/model/common"
   "apsClient/pkg/logx"
   "apsClient/pkg/structx"
   "apsClient/service/plc_address"
   "apsClient/utils/file"
   "encoding/json"
   "fmt"
   "github.com/spf13/cast"
   "gorm.io/gorm"
   "strings"
)

type ReceivedMessage struct {
   Topic   string
   Message []byte
}

var ReceivedMessageChan chan *ReceivedMessage

func init() {
   ReceivedMessageChan = make(chan *ReceivedMessage, 1000)
}

type MsgHandler interface {
   HandleMessage(data []byte) (err error)
@@ -65,3 +82,47 @@
   }
   return nil
}

type PlcAddress struct {
   Topic string
}

func (slf *PlcAddress) HandleMessage(data []byte) (err error) {
   logx.Infof("get an PlcAddress message :%s", data)
   var resp = new(common.ResponsePlcAddress)
   err = json.Unmarshal(data, &resp)
   if err != nil {
      logx.Errorf("ScheduleTask HandleMessage Unmarshal json err: %v", err.Error())
      return err
   }
   //写入到文件
   err = file.WriteFile(fmt.Sprintf("%s%s", constvar.PlcAddressDataPath, constvar.PlcAddressDataKeyFileName), resp.KeyData)
   if err != nil {
      return err
   }
   err = file.WriteFile(fmt.Sprintf("%s%s", constvar.PlcAddressDataPath, constvar.PlcAddressDataValueFileName), resp.AddressData)
   if err != nil {
      return err
   }
   //写入到内存
   keyString := string(resp.KeyData)
   addressString := string(resp.AddressData)

   keys := strings.Split(keyString, "\n")
   addresses := strings.Split(addressString, "\n")
   if len(keys) != len(addresses) {
      logx.Error("plc address message error: key length not equal address length")
      return nil
   }
   for i := 0; i < len(keys); i++ {
      key := strings.ReplaceAll(keys[i], "\r", "")
      address := cast.ToInt(strings.ReplaceAll(addresses[i], "\r", ""))
      plc_address.Set(key, address)
   }
   //通知回复收到
   ReceivedMessageChan <- &ReceivedMessage{
      Topic:   slf.Topic,
      Message: data,
   }
   return nil
}