示例#1
0
文件: msgq.go 项目: ibmendoza/msgq
func Dial(sock mangos.Socket, url string) error {
	if err := sock.Dial(url); err != nil {
		s := fmt.Sprintf("socket.Dial: %s", err)
		return errors.New(s)
	}
	return nil
}
示例#2
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func recvName(sock mangos.Socket, name string) {
	var msg []byte
	var err error
	if msg, err = sock.Recv(); err == nil {
		fmt.Printf("%s: RECEIVED: \"%s\"\n", name, string(msg))
	}
}
示例#3
0
文件: msgq.go 项目: ibmendoza/msgq
func Send(sock mangos.Socket, msg []byte) error {
	if err := sock.Send(msg); err != nil {
		s := fmt.Sprintf("socket.Send: %s", err)
		return errors.New(s)
	}
	return nil
}
示例#4
0
文件: msgq.go 项目: ibmendoza/msgq
func Listen(sock mangos.Socket, url string) error {
	if err := sock.Listen(url); err != nil {
		s := fmt.Sprintf("socket.Listen: %s", err)
		return errors.New(s)
	}
	return nil
}
示例#5
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func send(socket mangos.Socket, message string) {
	log.Printf("Node %s sends %s\n", node, message)
	err := socket.Send([]byte(message))
	if err != nil {
		log.Fatalf("Node %s failed to send '%s': %s\n", node, message, err.Error())
	}
}
示例#6
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文件: macat.go 项目: biocode/mangos
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)
		}
	}
}
示例#7
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func (t *inprocTran) NewListener(addr string, sock mangos.Socket) (mangos.PipeListener, error) {
	if _, err := mangos.StripScheme(t, addr); err != nil {
		return nil, err
	}
	l := &listener{addr: addr, proto: sock.GetProtocol()}
	return l, nil
}
示例#8
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func publishEvt(channel mangos.Socket, evt string) error {
	if err := channel.Send([]byte(evt)); err != nil {
		log.Debugf("fail to publish '%v' event:%v\n", evt, err)
		return err
	}

	return nil
}
示例#9
0
文件: msgq.go 项目: ibmendoza/msgq
func Receive(sock mangos.Socket) (msg []byte, err error) {
	msg, err = sock.Recv()
	if err != nil {
		s := fmt.Sprintf("socket.Recv: %s", err)
		return nil, errors.New(s)
	}
	return msg, nil
}
示例#10
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func sendRecv(sock mangos.Socket, name string) {
	for {
		sock.SetOption(mangos.OptionRecvDeadline, 100*time.Millisecond)
		recvName(sock, name)
		time.Sleep(time.Second)
		sendName(sock, name)
	}
}
示例#11
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func getEvt(channel mangos.Socket) (string, error) {
	log.Debug("getEvt()")
	evt, err := channel.Recv()
	if err != nil {
		return "", err
	}

	return string(evt), nil
}
示例#12
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func receive(socket mangos.Socket) string {

	bytes, err := socket.Recv()
	if err != nil {
		log.Fatalf("Node %s failed receiving a message: %s\n", node, err.Error())
	}
	message := string(bytes)
	log.Printf("Node %s received %s\n", node, message)
	return message
}
示例#13
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func client(url string, name string) {
	var sock mangos.Socket
	var err error
	var msg []byte

	if sock, err = respondent.NewSocket(); err != nil {
		die("can't get new respondent socket: %s", err.Error())
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Dial(url); err != nil {
		die("can't dial on respondent socket: %s", err.Error())
	}
	for {
		if msg, err = sock.Recv(); err != nil {
			die("Cannot recv: %s", err.Error())
		}
		fmt.Printf("CLIENT(%s): RECEIVED \"%s\" SURVEY REQUEST\n",
			name, string(msg))

		d := date()
		fmt.Printf("CLIENT(%s): SENDING DATE SURVEY RESPONSE\n", name)
		if err = sock.Send([]byte(d)); err != nil {
			die("Cannot send: %s", err.Error())
		}
	}
}
示例#14
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func node0(url string) {
	var sock mangos.Socket
	var err error
	var msg []byte
	if sock, err = rep.NewSocket(); err != nil {
		die("can't get new rep socket: %s", err)
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Listen(url); err != nil {
		die("can't listen on rep socket: %s", err.Error())
	}
	for {
		// Could also use sock.RecvMsg to get header
		msg, err = sock.Recv()
		if string(msg) == "DATE" { // no need to terminate
			fmt.Println("NODE0: RECEIVED DATE REQUEST")
			d := date()
			fmt.Printf("NODE0: SENDING DATE %s\n", d)
			err = sock.Send([]byte(d))
			if err != nil {
				die("can't send reply: %s", err.Error())
			}
		}
	}
}
示例#15
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func client(url string, name string) {
	var sock mangos.Socket
	var err error
	var msg []byte

	if sock, err = sub.NewSocket(); err != nil {
		die("can't get new sub socket: %s", err.Error())
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Dial(url); err != nil {
		die("can't dial on sub socket: %s", err.Error())
	}
	// Empty byte array effectively subscribes to everything
	err = sock.SetOption(mangos.OptionSubscribe, []byte(""))
	if err != nil {
		die("cannot subscribe: %s", err.Error())
	}
	for {
		if msg, err = sock.Recv(); err != nil {
			die("Cannot recv: %s", err.Error())
		}
		fmt.Printf("CLIENT(%s): RECEIVED %s\n", name, string(msg))
	}
}
示例#16
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文件: ws.go 项目: laszlo-kiss/mangos
func (t wsTran) NewListener(addr string, sock mangos.Socket) (mangos.PipeListener, error) {
	proto := sock.GetProtocol()
	l, e := t.listener(addr, proto)
	if e == nil {
		if v, e := sock.GetOption(mangos.OptionMaxRecvSize); e == nil {
			l.maxrx = v.(int)
		}
		l.mux.Handle(l.url.Path, l)
	}
	return l, e
}
示例#17
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func node0(url string) {
	var sock mangos.Socket
	var err error
	if sock, err = pair.NewSocket(); err != nil {
		die("can't get new pair socket: %s", err)
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Listen(url); err != nil {
		die("can't listen on pair socket: %s", err.Error())
	}
	sendRecv(sock, "node0")
}
示例#18
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文件: ws.go 项目: laszlo-kiss/mangos
func (wsTran) NewDialer(addr string, sock mangos.Socket) (mangos.PipeDialer, error) {
	iswss := strings.HasPrefix(addr, "wss://")
	opts := make(map[string]interface{})

	opts[mangos.OptionNoDelay] = true
	opts[mangos.OptionKeepAlive] = true
	proto := sock.GetProtocol()
	maxrx := 0
	if v, e := sock.GetOption(mangos.OptionMaxRecvSize); e == nil {
		maxrx = v.(int)
	}

	return &dialer{addr: addr, proto: proto, iswss: iswss, opts: opts, maxrx: maxrx}, nil
}
示例#19
0
文件: macat.go 项目: biocode/mangos
func recvLoop(sock mangos.Socket) {
	for {
		msg, err := sock.RecvMsg()
		switch err {
		case mangos.ErrProtoState:
			return
		case mangos.ErrRecvTimeout:
			return
		case nil:
		default:
			fatalf("RecvMsg failed: %v", err)
		}
		printMsg(msg)
		msg.Free()
	}
}
示例#20
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func simpleSend(t *testing.T, tx mangos.Socket, wg *sync.WaitGroup) {
	var buf [256]byte
	i := 0
	for i = 0; i < 10000; i++ {
		l := rand.Intn(255) + 1
		buf[0] = uint8(l)
		if e := tx.Send(buf[:l]); e != nil {
			t.Fatalf("Send: %v", e)
			break
		}
	}
	t.Logf("Sent %d Msgs", i)
	if e := tx.Close(); e != nil {
		t.Fatalf("Tx Close: %v", e)
	}
	wg.Done()
}
示例#21
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func server(url string, nworkers int) {
	var sock mangos.Socket
	var err error
	var wg sync.WaitGroup

	rand.Seed(time.Now().UnixNano())

	if sock, err = rep.NewSocket(); err != nil {
		die("can't get new rep socket: %s", err)
	}
	if err = sock.SetOption(mangos.OptionRaw, true); err != nil {
		die("can't set raw mode: %s", err)
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Listen(url); err != nil {
		die("can't listen on rep socket: %s", err.Error())
	}
	wg.Add(nworkers)
	fmt.Printf("Starting %d workers\n", nworkers)
	for id := 0; id < nworkers; id++ {
		go func(id int) {
			defer wg.Done()
			serverWorker(sock, id)
		}(id)
	}
	wg.Wait()
}
示例#22
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func runCmdServer(channel mangos.Socket, done <-chan struct{}) (<-chan messages.Message, error) {
	cmdChan := make(chan messages.Message)
	go func() {
		for {
			// Could also use sock.RecvMsg to get header
			log.Debug("sensor: cmd server - waiting for a command...")
			select {
			case <-done:
				log.Debug("sensor: cmd server - done...")
				return
			default:
				if rawCmd, err := channel.Recv(); err != nil {
					switch err {
					case mangos.ErrRecvTimeout:
						log.Debug("sensor: cmd server - timeout... ok")
					default:
						log.Debugln("sensor: cmd server - error =>", err)
					}
				} else {
					log.Debug("sensor: cmd server - got a command => ", string(rawCmd))

					if cmd, err := messages.Decode(rawCmd); err != nil {
						log.Println(err)
					} else {
						cmdChan <- cmd
					}

					//for now just ack the command and process the command asynchronously
					//NOTE:
					//must reply before receiving the next message
					//otherwise nanomsg/mangos will be confused :-)
					monitorFinishReply := "ok"
					err = channel.Send([]byte(monitorFinishReply))
					if err != nil {
						log.Warnln("sensor: cmd server - fail to send monitor.finish reply =>", err)
					}
				}
			}
		}
	}()

	return cmdChan, nil
}
示例#23
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func sendCmd(channel mangos.Socket, cmd messages.Message) (string, error) {
	sendTimeouts := 0
	recvTimeouts := 0

	log.Debugf("sendCmd(%s)\n", cmd)
	for {
		sendData, err := messages.Encode(cmd)
		if err != nil {
			log.Info("sendCmd(): malformed cmd - ", err)
			return "", err
		}

		if err := channel.Send(sendData); err != nil {
			switch err {
			case mangos.ErrSendTimeout:
				log.Info("sendCmd(): send timeout...")
				sendTimeouts++
				if sendTimeouts > 3 {
					return "", err
				}
			default:
				return "", err
			}
		}

		response, err := channel.Recv()
		if err != nil {
			switch err {
			case mangos.ErrRecvTimeout:
				log.Info("sendCmd(): receive timeout...")
				recvTimeouts++
				if recvTimeouts > 3 {
					return "", err
				}
			default:
				return "", err
			}
		}

		return string(response), nil
	}
}
示例#24
0
文件: macat.go 项目: biocode/mangos
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
		}
	}
}
示例#25
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func node1(url string, msg string) {
	var sock mangos.Socket
	var err error

	if sock, err = push.NewSocket(); err != nil {
		die("can't get new push socket: %s", err.Error())
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Dial(url); err != nil {
		die("can't dial on push socket: %s", err.Error())
	}
	fmt.Printf("NODE1: SENDING \"%s\"\n", msg)
	if err = sock.Send([]byte(msg)); err != nil {
		die("can't send message on push socket: %s", err.Error())
	}
	sock.Close()
}
示例#26
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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
		}
	}
}
示例#27
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func sendRequest(s mangos.Socket, request request) (*response, error) {
	requestJSON, err := json.Marshal(request)
	if err != nil {
		// This is not recoverable.
		panic(err)
	}

	if err := s.Send(requestJSON); err != nil {
		return nil, err
	}

	rep, err := s.Recv()
	if err != nil {
		return nil, err
	}

	var resp response
	if err := json.Unmarshal(rep, &resp); err != nil {
		return nil, err
	}

	return &resp, nil
}
示例#28
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func sendCmd(channel mangos.Socket, cmd string) (string, error) {
	sendTimeouts := 0
	recvTimeouts := 0

	log.Debugf("sendCmd(%s)\n", cmd)
	for {
		if err := channel.Send([]byte(cmd)); err != nil {
			switch err {
			case mangos.ErrSendTimeout:
				log.Info("sendCmd(): send timeout...")
				sendTimeouts++
				if sendTimeouts > 3 {
					return "", err
				}
			default:
				return "", err
			}
		}

		response, err := channel.Recv()
		if err != nil {
			switch err {
			case mangos.ErrRecvTimeout:
				log.Info("sendCmd(): receive timeout...")
				recvTimeouts++
				if recvTimeouts > 3 {
					return "", err
				}
			default:
				return "", err
			}
		}

		return string(response), nil
	}
}
示例#29
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func simpleRecv(t *testing.T, rx mangos.Socket, wg *sync.WaitGroup) {
	i := 0
	for i = 0; i < 10000; i++ {
		buf, e := rx.Recv()
		if e != nil {
			t.Fatalf("Recv: %v", e)
			break
		}
		if len(buf) < 1 {
			t.Fatalf("Recv: empty buf")
			break
		}
		if len(buf) != int(buf[0]) {
			t.Fatalf("Recv: length %d != expected %d",
				len(buf), buf[0])
			break
		}
	}
	t.Logf("Recvd %d Msgs", i)
	if e := rx.Close(); e != nil {
		t.Fatalf("Rx Close: %v", e)
	}
	wg.Done()
}
示例#30
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func node0(url string) {
	var sock mangos.Socket
	var err error
	var msg []byte
	if sock, err = pull.NewSocket(); err != nil {
		die("can't get new pull socket: %s", err)
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Listen(url); err != nil {
		die("can't listen on pull socket: %s", err.Error())
	}
	for {
		// Could also use sock.RecvMsg to get header
		msg, err = sock.Recv()
		fmt.Printf("NODE0: RECEIVED \"%s\"\n", msg)
	}
}