109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
package mqtt
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"git.openpdu.org/OpenPDU/openpdu/syslog"
|
|
MQTT "github.com/eclipse/paho.mqtt.golang"
|
|
"github.com/spf13/viper"
|
|
)
|
|
|
|
var MQTTclient MQTT.Client
|
|
|
|
func init() {
|
|
viper.SetDefault("Mqtt.CliendID", "OpenPDU") // max 23 chars
|
|
viper.SetDefault("Mqtt.Prefix", "openpdu") // max 23 chars
|
|
viper.SetDefault("Mqtt.Schema", "tcp")
|
|
viper.SetDefault("Mqtt.Host", "localhost")
|
|
viper.SetDefault("Mqtt.Port", "1883")
|
|
viper.SetDefault("Mqtt.Username", "")
|
|
viper.SetDefault("Mqtt.Password", "")
|
|
viper.SetDefault("Mqtt.HomeAssistant", false)
|
|
|
|
// MQTT.ERROR = log.New(os.Stdout, "[ERROR] ", 0)
|
|
// MQTT.CRITICAL = log.New(os.Stdout, "[CRIT] ", 0)
|
|
// MQTT.WARN = log.New(os.Stdout, "[WARN] ", 0)
|
|
// MQTT.DEBUG = log.New(os.Stdout, "[DEBUG] ", 0)
|
|
|
|
}
|
|
|
|
// https://girishjoshi.io/post/golang-paho-mqtt/
|
|
|
|
func Setup() {
|
|
uri := viper.GetString("Mqtt.Schema") + "://" + viper.GetString("Mqtt.Host") + ":" + viper.GetString("Mqtt.Port")
|
|
opts := MQTT.NewClientOptions().AddBroker(uri)
|
|
|
|
opts.SetClientID(viper.GetString("Mqtt.CliendID"))
|
|
|
|
if username := viper.GetString("Mqtt.Username"); username != "" {
|
|
opts.SetUsername(username)
|
|
}
|
|
|
|
if password := viper.GetString("Mqtt.Password"); password != "" {
|
|
opts.SetPassword(password)
|
|
}
|
|
|
|
opts.SetAutoReconnect(true)
|
|
opts.SetConnectRetryInterval(5 * time.Second)
|
|
opts.SetConnectTimeout(5 * time.Second)
|
|
|
|
opts.SetConnectionLostHandler(func(c MQTT.Client, err error) {
|
|
syslog.Err("mqtt connection lost error: " + err.Error())
|
|
})
|
|
opts.SetReconnectingHandler(func(c MQTT.Client, options *MQTT.ClientOptions) {
|
|
syslog.Notice("mqtt reconnecting")
|
|
})
|
|
opts.SetOnConnectHandler(func(c MQTT.Client) {
|
|
syslog.Notice("mqtt connected")
|
|
// MQTTclient.Publish("openpdu/status", 0, false, "connected")
|
|
})
|
|
|
|
MQTTclient = MQTT.NewClient(opts)
|
|
|
|
for {
|
|
token := MQTTclient.Connect()
|
|
token.Wait()
|
|
if MQTTclient.IsConnected() {
|
|
break
|
|
}
|
|
time.Sleep(5 * time.Second)
|
|
}
|
|
|
|
}
|
|
|
|
func Subscribe(topic string, handler func(MQTT.Client, MQTT.Message)) {
|
|
// MQTTHandler(MQTT.Client, MQTT.Message)
|
|
MQTTclient.Subscribe(viper.GetString("Mqtt.Prefix")+"/switch/"+topic, 1, handler)
|
|
syslog.Debug(fmt.Sprintf("MQTT subscribed to topic: %s", topic))
|
|
}
|
|
|
|
func Connected() bool {
|
|
if MQTTclient == nil {
|
|
return false
|
|
}
|
|
return MQTTclient.IsConnected()
|
|
}
|
|
|
|
func Disconnect() {
|
|
MQTTclient.Disconnect(250)
|
|
}
|
|
|
|
func Publish(topic string, value string) {
|
|
if MQTTclient == nil {
|
|
return
|
|
}
|
|
if MQTTclient.IsConnected() {
|
|
MQTTclient.Publish(viper.GetString("Mqtt.Prefix")+"/switch/"+topic, 0, false, value)
|
|
}
|
|
}
|
|
|
|
func PublishRoot(topic string, value string) {
|
|
if MQTTclient == nil {
|
|
return
|
|
}
|
|
if MQTTclient.IsConnected() {
|
|
MQTTclient.Publish(topic, 0, false, value)
|
|
}
|
|
}
|