Example #1
0
func replyLoop(sock mangos.Socket) {
	if sendData == nil {
		fatalf("No data to send!")
	}
	for {
		msg, err := sock.RecvMsg()
		switch err {
		case mangos.ErrRecvTimeout:
			return
		case nil:
		default:
			fatalf("RecvMsg failed: %v", err)
		}
		printMsg(msg)
		msg.Free()

		msg = mangos.NewMessage(len(sendData))
		msg.Body = append(msg.Body, sendData...)
		err = sock.SendMsg(msg)

		if err != nil {
			fatalf("SendMsg failed: %v", err)
		}
	}
}
Example #2
0
func sendLoop(sock mangos.Socket) {
	if sendData == nil {
		fatalf("No data to send!")
	}
	for {
		msg := mangos.NewMessage(len(sendData))
		msg.Body = append(msg.Body, sendData...)
		err := sock.SendMsg(msg)

		if err != nil {
			fatalf("SendMsg failed: %v", err)
		}

		if sendInterval >= 0 {
			time.Sleep(time.Duration(sendInterval) * time.Second)
		} else {
			break
		}
	}
}
Example #3
0
func clientWorker(url string, id int) {
	var sock mangos.Socket
	var m *mangos.Message
	var err error

	if sock, err = req.NewSocket(); err != nil {
		die("can't get new req socket: %s", err.Error())
	}

	// Leave this in Cooked mode!

	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Dial(url); err != nil {
		die("can't dial on req socket: %s", err.Error())
	}

	// send an empty messsage
	m = mangos.NewMessage(1)
	if err = sock.SendMsg(m); err != nil {
		die("can't send request: %s", err.Error())
	}

	if m, err = sock.RecvMsg(); err != nil {
		die("can't recv reply: %s", err.Error())
	}
	sock.Close()

	if len(m.Body) != 4 {
		die("bad response len: %d", len(m.Body))
	}

	worker := binary.BigEndian.Uint32(m.Body[0:])

	L.Lock()
	fmt.Printf("Client: %4d   Server: %4d\n", id, worker)
	L.Unlock()
}
Example #4
0
func serverWorker(sock mangos.Socket, id int) {
	var err error

	delay := rand.Intn(int(time.Second))

	for {
		var m *mangos.Message

		if m, err = sock.RecvMsg(); err != nil {
			return
		}

		m.Body = make([]byte, 4)

		time.Sleep(time.Duration(delay))

		binary.BigEndian.PutUint32(m.Body[0:], uint32(id))

		if err = sock.SendMsg(m); err != nil {
			return
		}
	}
}
Example #5
0
func sendRecvLoop(sock mangos.Socket) {
	for {
		msg := mangos.NewMessage(len(sendData))
		msg.Body = append(msg.Body, sendData...)
		err := sock.SendMsg(msg)

		if err != nil {
			fatalf("SendMsg failed: %v", err)
		}

		if sendInterval < 0 {
			recvLoop(sock)
			return
		}

		now := time.Now()

		// maximum wait time is upper bound of recvTimeout and
		// sendInterval

		if recvTimeout < 0 || recvTimeout > sendInterval {
			sock.SetOption(mangos.OptionRecvDeadline,
				time.Second*time.Duration(sendInterval))
		}
		msg, err = sock.RecvMsg()
		switch err {
		case mangos.ErrRecvTimeout:
		case nil:
			printMsg(msg)
			msg.Free()
		default:
			fatalf("RecvMsg failed: %v", err)
		}
		time.Sleep((time.Second * time.Duration(sendInterval)) -
			time.Now().Sub(now))
	}
}