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)) } }
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()) } } }
func node1(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.Error()) } sock.AddTransport(ipc.NewTransport()) sock.AddTransport(tcp.NewTransport()) if err = sock.Dial(url); err != nil { die("can't dial on pair socket: %s", err.Error()) } sendRecv(sock, "node1") }
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() }
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() }
func node1(url string) { var sock mangos.Socket var err error var msg []byte if sock, err = req.NewSocket(); err != nil { die("can't get new req socket: %s", err.Error()) } 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()) } fmt.Printf("NODE1: SENDING DATE REQUEST %s\n", "DATE") if err = sock.Send([]byte("DATE")); err != nil { die("can't send message on push socket: %s", err.Error()) } if msg, err = sock.Recv(); err != nil { die("can't receive date: %s", err.Error()) } fmt.Printf("NODE1: RECEIVED DATE %s\n", string(msg)) sock.Close() }