How to use Connect method of ws Package

Best K6 code snippet using ws.Connect

websocket.go

Source:websocket.go Github

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...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.")...

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Connect

Using AI Code Generation

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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) {

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Connect

Using AI Code Generation

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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}

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Connect

Using AI Code Generation

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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

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Connect

Using AI Code Generation

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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}

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Connect

Using AI Code Generation

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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}

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Connect

Using AI Code Generation

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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")

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