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automation/integration/mqtt/mqtt.go

38 lines
985 B
Go

package mqtt
import (
"fmt"
paho "github.com/eclipse/paho.mqtt.golang"
)
// This is the default message handler, it just prints out the topic and message
var defaultHandler paho.MessageHandler = func(client paho.Client, msg paho.Message) {
fmt.Printf("TOPIC: %s\n", msg.Topic())
fmt.Printf("MSG: %s\n", msg.Payload())
}
func New(host string, port int, clientID string, username string, password string) paho.Client {
opts := paho.NewClientOptions().AddBroker(fmt.Sprintf("%s:%d", host, port))
opts.SetClientID(clientID)
opts.SetDefaultPublishHandler(defaultHandler)
opts.SetUsername(username)
opts.SetPassword(password)
opts.SetOrderMatters(false)
client := paho.NewClient(opts)
if token := client.Connect(); token.Wait() && token.Error() != nil {
panic(token.Error())
}
return client
}
func Delete(m paho.Client) {
if token := m.Unsubscribe("automation/presence/+"); token.Wait() && token.Error() != nil {
fmt.Println(token.Error())
}
m.Disconnect(250)
}