package main import ( "fmt" "time" MQTT "github.com/eclipse/paho.mqtt.golang" ) func main() { opts := MQTT.NewClientOptions() opts.AddBroker("tcp://127.0.0.1:1883") opts.SetClientID("ortobio") opts.SetUsername("DVES_USER") opts.SetPassword("DVES_PASS") opts.SetCleanSession(false) client := MQTT.NewClient(opts) if token := client.Connect(); token.Wait() && token.Error() != nil { panic(token.Error()) } fmt.Println("Sample Publisher Started") qos := 0 for i := 0; i < 3; i++ { fmt.Println("---- doing publish ----", i) token := client.Publish("ciaouno", byte(qos), false, fmt.Sprintf("%d", i)) token.Wait() time.Sleep(300 * time.Millisecond) } client.Disconnect(250) fmt.Println("Sample Publisher Disconnected") }