gosdk/device/usr_n520.go

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2024-05-21 20:45:32 +08:00
package device
import (
"encoding/json"
"fmt"
mqtt "github.com/eclipse/paho.mqtt.golang"
log "github.com/sirupsen/logrus"
"github.com/spf13/cast"
"strings"
"sync"
"time"
)
var (
UsrTypeRaw = "raw"
)
type UsrN520 struct {
sync.Mutex
deviceId string
client mqtt.Client
callback Callback
brand string
model string
}
func NewUsrN520(deviceId string, client mqtt.Client, call Callback) *UsrN520 {
u := &UsrN520{
deviceId: deviceId,
client: client,
callback: call,
brand: BrandUsr,
model: "n520",
}
if call != nil {
if deviceId != "#" {
client.Subscribe(fmt.Sprintf("%s/%s/%s/#", u.brand, u.model, deviceId), 2, u.Callback)
} else {
client.Subscribe(fmt.Sprintf("%s/%s/#", u.brand, u.model), 2, u.Callback)
}
}
return u
}
func (u *UsrN520) KeepAlive() error {
return nil
}
func (u *UsrN520) Operate(string) error {
return nil
}
func (u *UsrN520) getDeviceId(topic string) string {
devId := u.deviceId
if devId == "#" {
fields := strings.Split(topic, "/")
if len(fields) >= 3 {
devId = fields[2]
}
}
return devId
}
func (s *UsrN520) Callback(client mqtt.Client, message mqtt.Message) {
s.Lock()
defer s.Unlock()
topic := message.Topic()
payload := message.Payload()
log.Debugf("[%s][%s] deviceId[%s] topic[%s] payloyad[%s]", s.brand, s.model, s.deviceId, topic, string(payload))
var callMsg Message
callMsg.MsgType = UsrTypeRaw
callMsg.MsgTime = time.Now().Unix()
callMsg.MsgId = cast.ToString(message.MessageID())
callMsg.DeviceId = s.getDeviceId(topic)
callMsg.Topic = topic
callMsg.Data = make(map[string]interface{})
json.Unmarshal([]byte(payload), &callMsg.Data)
s.callback(&callMsg)
}