Exemple #1
0
func client(i int) {
	log.Print("starting client ", i)
	conn, err := net.Dial("tcp", *host)
	if err != nil {
		log.Fatal("dial: ", err)
	}
	cc := mqtt.NewClientConn(conn)
	cc.Dump = *dump

	if err := cc.Connect(*user, *pass); err != nil {
		log.Fatal("connect: %v\n", err)
		os.Exit(1)
	}

	half := int32(*pace / 2)

	for {
		cc.Publish(&proto.Publish{
			Header:    proto.Header{},
			TopicName: topic,
			Payload:   payload,
		})
		sltime := rand.Int31n(half) - (half / 2) + int32(*pace)
		time.Sleep(time.Duration(sltime) * time.Second)
	}
}
Exemple #2
0
func main() {
	flag.Parse()

	if flag.NArg() != 2 {
		fmt.Fprintln(os.Stderr, "usage: pub topic message")
		return
	}

	conn, err := net.Dial("tcp", *host)
	if err != nil {
		fmt.Fprintf(os.Stderr, "dial: ", err)
		return
	}
	cc := mqtt.NewClientConn(conn)
	cc.Dump = *dump

	if err := cc.Connect(*user, *pass); err != nil {
		fmt.Fprintf(os.Stderr, "connect: %v\n", err)
		os.Exit(1)
	}
	fmt.Println("Connected with client id ", cc.ClientId)

	cc.Publish(&proto.Publish{
		Header:    proto.Header{Retain: *retain},
		TopicName: flag.Arg(0),
		Payload:   proto.BytesPayload([]byte(flag.Arg(1))),
	})

	if *wait {
		<-make(chan bool)
	}

	cc.Disconnect()
}
Exemple #3
0
func connect() *mqtt.ClientConn {
	conn, err := net.Dial("tcp", *host)
	if err != nil {
		fmt.Fprintf(os.Stderr, "dial: %v\n", err)
		os.Exit(2)
	}
	cc := mqtt.NewClientConn(conn)
	cc.Dump = *dump
	cc.ClientId = *id

	err = cc.Connect(*user, *pass)
	if err != nil {
		fmt.Println(err)
		os.Exit(3)
	}

	cwg.Done()
	return cc
}
Exemple #4
0
func main() {
	flag.Parse()

	if flag.NArg() < 1 {
		fmt.Fprintln(os.Stderr, "usage: sub topic [topic topic...]")
		return
	}

	conn, err := net.Dial("tcp", *host)
	if err != nil {
		fmt.Fprintf(os.Stderr, "dial: ", err)
		return
	}
	cc := mqtt.NewClientConn(conn)
	cc.Dump = *dump
	cc.ClientId = *id

	tq := make([]proto.TopicQos, flag.NArg())
	for i := 0; i < flag.NArg(); i++ {
		tq[i].Topic = flag.Arg(i)
		tq[i].Qos = proto.QosAtMostOnce
	}

	if err := cc.Connect(*user, *pass); err != nil {
		fmt.Fprintf(os.Stderr, "connect: %v\n", err)
		os.Exit(1)
	}
	fmt.Println("Connected with client id ", cc.ClientId)
	cc.Subscribe(tq)

	for m := range cc.Incoming {
		fmt.Print(m.TopicName, "\t")
		m.Payload.WritePayload(os.Stdout)
		fmt.Println("\tr: ", m.Header.Retain)
	}
}