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)
}
}
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()
}
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
}
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)
}
}
