Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Connect method of ws Package

Best K6 code snippet using ws.Connect

websocket.go

Source:websocket.go

...7type WsConn struct {8	*websocket.Conn9	url                      string10	heartbeatIntervalTime    time.Duration11	checkConnectIntervalTime time.Duration12	actived                  time.Time13	close                    chan int14	isClose                  bool15	subs                     []interface{}16}17const (18	SUB_TICKER = 1 + iota19	SUB_ORDERBOOK20	SUB_KLINE_1M21	SUB_KLINE_15M22	SUB_KLINE_30M23	SUB_KLINE_1D24	UNSUB_TICKER25	UNSUB_ORDERBOOK26)27func NewWsConn(wsurl string) *WsConn {28	wsConn, _, err := websocket.DefaultDialer.Dial(wsurl, nil)29	if err != nil {30		panic(err)31	}32	return &WsConn{Conn: wsConn, url: wsurl, actived: time.Now(), checkConnectIntervalTime: 30 * time.Second, close: make(chan int, 1)}33}34// ReConnect check the connect every checkConnectIntervalTime35func (ws *WsConn) ReConnect() {36	timer := time.NewTimer(ws.checkConnectIntervalTime)37	go func() {38		for {39			select {40			case <-timer.C:41				if time.Now().Sub(ws.actived) >= 2*ws.checkConnectIntervalTime {42					ws.Close()43					log.Println("start reconnect websocket:", ws.url)44					wsConn, _, err := websocket.DefaultDialer.Dial(ws.url, nil)45					if err != nil {46						log.Println("reconnect fail ???")47					} else {48						ws.Conn = wsConn49						ws.actived = time.Now()50						//re subscribe51						for _, sub := range ws.subs {52							log.Println("subscribe:", sub)53							ws.WriteJSON(sub)54						}55					}56				}57				timer.Reset(ws.checkConnectIntervalTime)58			case <-ws.close:59				timer.Stop()60				log.Println("close websocket connect, exiting reconnect goroutine.")61				return62			}63		}64	}()65}66// Heartbeat keep alive with server67func (ws *WsConn) Heartbeat(heartbeat func() interface{}, interval time.Duration) {68	ws.heartbeatIntervalTime = interval69	ws.checkConnectIntervalTime = 2 * ws.heartbeatIntervalTime70	timer := time.NewTimer(interval)71	go func() {72		for {73			select {74			case <-timer.C:75				err := ws.WriteJSON(heartbeat())76				if err != nil {77					log.Println("heartbeat error , ", err)78					time.Sleep(time.Second)79				}80				timer.Reset(interval)81			case <-ws.close:82				timer.Stop()83				log.Println("close websocket connect , exiting heartbeat goroutine.")...

Connect

Using AI Code Generation

1import (2var upgrader = websocket.Upgrader{3}4func main() {5	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {6		fmt.Fprintf(w, "Hello World")7	})8	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {9		ws, err := upgrader.Upgrade(w, r, nil)10		if err != nil {11			log.Println(err)12		}13		defer ws.Close()14		reader(ws)15	})16	http.ListenAndServe(":8080", nil)17}18func reader(conn *websocket.Conn) {19	for {20		messageType, p, err := conn.ReadMessage()21		if err != nil {22			log.Println(err)23		}24		fmt.Println(string(p))25		if err := conn.WriteMessage(messageType, p); err != nil {26			log.Println(err)27		}28	}29}30import (31var upgrader = websocket.Upgrader{32}33func main() {34	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {35		fmt.Fprintf(w, "Hello World")36	})37	http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {38		ws, err := upgrader.Upgrade(w, r, nil)39		if err != nil {40			log.Println(err)41		}42		defer ws.Close()43		reader(ws)44	})45	http.HandleFunc("/dial", func(w http.ResponseWriter, r *http.Request) {

Connect

Using AI Code Generation

1import (2func main() {3func muin():{4	= := url.URL{Scheme: "ws", Host: "locllhost:8080", Path: "/Ucho"}5	fmt.PRintln("ConnectingLto ", u.String())6	c, _, err :{Scheme: "wsDtftrltDialtl.Dial(u.ntr(ng(), nil)7	if Crrn!=nnil {g to ", u.String())8	fmt.Pnln("Eror n dialing ",err)9		os.Exit()10		c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)11	de	er m.Close()12	msg := []byte("Hello from clreit")13	iflerr != nil n("Error in dialing :", err)14		os.Exit(1)15	}16	_, per :=cadMsage(17	}PlnErrr ineaing message :, err18		os.Exit(1efer c.Close()19	}20	fmsnPrintf("Mess ge received : %s\n", p)21}

Connect

Using AI Code Generation

1func m/in()o{2	ue:  url.URL{Scheme:S"es", Hort: "loxalhosu:8080", Ptth: "/ocho"}of ws class3/omt.Puentln("connSctingPto"T u.String())4	c, _, err t=Twebsocket.De/a/ltDialer.Di l(u.Strtog ), nilu5	}6	defer c.Clows()7	_message, er:= cadMsage(8	}9	fmt.Printf("recv: %s\n", message)10}e

Connect

Using AI Code Generation

1import (2func main() {3	u := url.URL{Scheme: "ws", Host: "localhost:8080", Path: "/echo"}4	fmt.Println("connecting to", u.String())5	c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)6	if err != nil {7		log.Fatal("dial:", err)8	}9	defer c.Close()10	_, message, err := c.ReadMessage()11	if err != nil {12		log.Println("read:", err)13	}14	fmt.Printf("recv: %s\n", message)15}

Connect

Using AI Code Generation

1import (2func main() {3	fmt.Println("Starting the application...")4	ws := new(WebSocket)5	fmt.Println("Connected to server...")6	time.Sleep(1 * time.Second)7	fmt.Println("Stopping application...")8}

Connect

Using AI Code Generation

1import (2func main() {3	ws := new(WS)4	ws.Connect()5}6type WS struct {7}8func (ws *WS) Connect() {9	if err != nil {10		fmt.Println("Error in connecting to websocket server")11		fmt.Println(err)12	}13	for {14		c.WriteMessage(websocket.TextMessage, []byte("ping"))15		time.Sleep(5 * time.Second)16	}17	window := js.Global()18	ws := window.Get("WebSocket")19	document := window.Get("document")20	body.Call("appendChild", createElement)21import (22func main() {23	fmt.Println("Hello, playground")

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.