How to use closeConnection method of ws Package

Best K6 code snippet using ws.closeConnection

main.go

Source:main.go Github

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1package main2import (3 "go-stream/api"4 "go-stream/api/types"5 "go-stream/api/web_socket"6 "time"7)8const apiKey = "550ECBDB-B1EF-42FE-8702-19CCAD9C2A7C"9func main() {10 TestSendHello()11 //TestHeartbeat()12 //TestReconnect()13 //TestVolumeError()14 //TestWebSocket()15}16func TestWebSocket() {17 printHeader("TestWebSocket!")18 println(" * Connect!!")19 url := "ws://ws-sandbox.coinapi.io/v1/"20 ws := web_socket.NewWebSocket(url)21 println(" * GetHello: Single data type!")22 hello := getHello(false, false)23 b, _ := hello.GetJSON()24 _ = ws.WriteByteMessage(b)25 errHandler := logError26 msgHandler := printRawMsg27 err := ws.ReadByteMessages(msgHandler, errHandler)28 if err != nil {29 logError(err)30 }31 println(" * Wait!")32 time.Sleep(3 * time.Second)33 println(" * Close!")34 _ = ws.Close()35}36func TestVolumeError() {37 printHeader("TestVolumeError!")38 // Replicates error thrown when requesting volume data:39 //websocket: close 1006 (abnormal closure): unexpected EOF40 println(" * NewSDK!")41 sdk := api.NewSDK(apiKey)42 // verbose switches off console print of heartbeat & reconnect messages43 sys := getSysInvokes(false)44 println(" * SetErrorInvoke!")45 sdk.SetErrorInvoke(sys.ErrorInvoke)46 println(" * SetHeartBeatInvoke!")47 sdk.SetHeartBeatInvoke(sys.HeartBeatInvoke)48 println(" * SetReconnectInvoke!")49 sdk.SetReconnectInvoke(sys.ReconnectInvoke)50 println(" * SetVolumeInvoke!")51 VolInvoke := GetInvokeFunction(types.VOLUME)52 sdk.SetVolumeInvoke(VolInvoke)53 println(" * GetHello: Volume only!")54 hello := getVolumeHello(false)55 println(" * SendHello: Requesting Volume type only !")56 _ = sdk.SendHello(hello)57 println(" * Wait for messages!")58 time.Sleep(time.Second * 5)59 println(" * CloseConnection!")60 _ = sdk.CloseConnection()61 println("Goodbye!")62}63func TestSendHello() {64 printHeader("TestSendHello!")65 println(" * NewSDK!")66 sdk := api.NewSDK(apiKey)67 // verbose switches off console print of heartbeat & reconnect messages68 sys := getSysInvokes(false)69 println(" * SetErrorInvoke!")70 sdk.SetErrorInvoke(sys.ErrorInvoke)71 println(" * SetHeartBeatInvoke!")72 sdk.SetHeartBeatInvoke(sys.HeartBeatInvoke)73 println(" * SetReconnectInvoke!")74 sdk.SetReconnectInvoke(sys.ReconnectInvoke)75 println(" * SetOHLCVInvoke!")76 OHLCVInvoke := GetInvokeFunction(types.OHLCV)77 sdk.SetOHLCVInvoke(OHLCVInvoke)78 println(" * SetTradesInvoke!")79 tradeInvoke := GetInvokeFunction(types.TRADE)80 sdk.SetTradesInvoke(tradeInvoke)81 println(" * SetQuoteInvoke!")82 quoteInvoke := GetInvokeFunction(types.QUOTE)83 sdk.SetQuoteInvoke(quoteInvoke)84 println(" * SetExRateInvoke!")85 exRateInvoke := GetInvokeFunction(types.EXCHANGERATE)86 sdk.SetExRateInvoke(exRateInvoke)87 println(" * SetBookInvoke!")88 bookInvoke := GetInvokeFunction(types.BOOK_L2_FULL)89 sdk.SetBookInvoke(bookInvoke)90 println(" * GetHello: Single data type!")91 hello := getHello(false, false)92 println(" * SendHello: Single data type!")93 _ = sdk.SendHello(hello)94 println(" * Wait for messages!")95 time.Sleep(time.Second * 5)96 println(" * GetHello: Expanded data types!")97 hello = getHello(true, false)98 println(" * SendHello: Expanded data types!")99 _ = sdk.SendHello(hello)100 println(" * Wait for messages!")101 time.Sleep(time.Second * 5)102 println(" * CloseConnection!")103 _ = sdk.CloseConnection()104 println("Goodbye!")105}106func TestReconnect() {107 // This test only process OHLCV as no other invoke functions are set!108 printHeader("TestReconnect!")109 println(" * NewSDK!")110 sdk := api.NewSDK(apiKey)111 sys := getSysInvokes(true)112 println(" * SetErrorInvoke!")113 sdk.SetErrorInvoke(sys.ErrorInvoke)114 println(" * SetHeartBeatInvoke!")115 sdk.SetHeartBeatInvoke(sys.HeartBeatInvoke)116 println(" * SetReconnectInvoke!")117 sdk.SetReconnectInvoke(sys.ReconnectInvoke)118 println(" * SetOHLCVInvoke!")119 OHLCVInvoke := GetInvokeFunction(types.OHLCV)120 sdk.SetOHLCVInvoke(OHLCVInvoke)121 println(" * GetHello: Single data type!")122 hello := getHello(false, true)123 println(" * SendHello: Single data type!")124 _ = sdk.SendHello(hello)125 println(" * Wait for messages!")126 time.Sleep(time.Second * 10)127 println("******************")128 println("* Hard Reconnect *")129 println("******************")130 _ = sdk.Reconnect()131 println(" * Wait for messages!")132 time.Sleep(time.Second * 5)133 println(" * CloseConnection!")134 _ = sdk.CloseConnection()135 println("Goodbye!")136}137func TestHeartbeat() {138 // This test only process OHLCV as no other invoke functions are set!139 printHeader("TestHeartbeat!")140 println(" * NewSDK!")141 sdk := api.NewSDK(apiKey)142 sys := getSysInvokes(true)143 println(" * SetErrorInvoke!")144 sdk.SetErrorInvoke(sys.ErrorInvoke)145 println(" * SetHeartBeatInvoke!")146 sdk.SetHeartBeatInvoke(sys.HeartBeatInvoke)147 println(" * SetReconnectInvoke!")148 sdk.SetReconnectInvoke(sys.ReconnectInvoke)149 println(" * SetOHLCVInvoke!")150 OHLCVInvoke := GetInvokeFunction(types.OHLCV)151 sdk.SetOHLCVInvoke(OHLCVInvoke)152 println(" * GetHello: Heartbeat!")153 hello := getHello(false, true)154 println(" * SendHello: Heartbeat!")155 _ = sdk.SendHello(hello)156 println(" * Wait for messages!")157 time.Sleep(time.Second * 10)158 println(" * CloseConnection!")159 _ = sdk.CloseConnection()160 println("Goodbye!")161}162func printHeader(msg string) {163 println()164 println("=====================")165 println("Start: " + msg)166 println("=====================")167 println()168}...

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frontend_handler.go

Source:frontend_handler.go Github

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...36 log.Errorf("Error during upgrade: [%v]", err)37 http.Error(rw, "Failed to upgrade connection.", 500)38 return39 }40 defer closeConnection(ws)41 msgKey, respChannel, err := h.backend.initializeClient(hostKey)42 if err != nil {43 log.Errorf("Error during initialization: [%v]", err)44 closeConnection(ws)45 return46 }47 defer h.backend.closeConnection(hostKey, msgKey)48 // Send response messages to client49 go func() {50 defer closeConnection(ws)51 for {52 message, ok := <-respChannel53 if !ok {54 return55 }56 switch message.Type {57 case common.Body:58 var data []byte59 var e error60 msgType := 161 if binary {62 msgType = 263 data, e = base64.StdEncoding.DecodeString(message.Body)64 if e != nil {65 log.Errorf("Error decoding message: %v", e)66 closeConnection(ws)67 continue68 }69 } else {70 data = []byte(message.Body)71 }72 ws.SetWriteDeadline(time.Now().Add(10 * time.Second))73 if e := ws.WriteMessage(msgType, data); e != nil {74 closeConnection(ws)75 }76 case common.Close:77 closeConnection(ws)78 }79 }80 }()81 url := req.URL.String()82 if err = h.backend.connect(hostKey, msgKey, url); err != nil {83 return84 }85 // Send request messages to backend86 for {87 msgType, msg, err := ws.ReadMessage()88 if err != nil {89 return90 }91 var data string92 if binary {93 data = base64.StdEncoding.EncodeToString(msg)94 } else {95 data = string(msg)96 }97 if msgType == websocket.BinaryMessage || msgType == websocket.TextMessage {98 if err = h.backend.send(hostKey, msgKey, data); err != nil {99 return100 }101 }102 }103}104func (h *FrontendHandler) auth(req *http.Request) (*jwt.Token, string, error) {105 token, tokenParam, err := parseToken(req, h.parsedPublicKey)106 if err != nil {107 if tokenParam == "" {108 return nil, "", noAuthError{err: err.Error()}109 }110 return nil, "", fmt.Errorf("Error parsing token: %v. Token parameter: %v", err, tokenParam)111 }112 if !token.Valid {113 return nil, "", fmt.Errorf("Token not valid. Token parameter: %v", tokenParam)114 }115 hostUUID, found := token.Claims["hostUuid"]116 if found {117 if hostKey, ok := hostUUID.(string); ok && h.backend.hasBackend(hostKey) {118 return token, hostKey, nil119 }120 }121 return nil, "", fmt.Errorf("Invalid backend host requested: %v", hostUUID)122}123func closeConnection(ws *websocket.Conn) {124 ws.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""), time.Now().Add(time.Second))125 ws.Close()126}127func parseToken(req *http.Request, parsedPublicKey interface{}) (*jwt.Token, string, error) {128 tokenString := ""129 if authHeader := req.Header.Get("Authorization"); authHeader != "" {130 if len(authHeader) > 6 && strings.EqualFold("bearer", authHeader[0:6]) {131 tokenString = strings.Trim(authHeader[7:], " ")132 }133 }134 if tokenString == "" {135 tokenString = req.URL.Query().Get("token")136 }137 if tokenString == "" {...

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subscribe.go

Source:subscribe.go Github

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...58 var response string59 err := websocket.Message.Receive(s.ws, &response)60 if err != nil { // if call Close() or sever stopped, connect closed, can not receive message61 fmt.Println("receive publish message: ", err)62 s.closeConnection()63 return nil, true64 }65 reply := new(publishInfo)66 err = json.Unmarshal([]byte(response), reply)67 if err != nil {68 fmt.Println("Can not decode publish data: ", err)69 s.closeConnection()70 return nil, true71 }72 if reply.Params.Result == nil { // if call Unsubscribe(), connect closed, receive message is nil73 s.closeConnection()74 return nil, true75 }76 return reply.Params.Result, false77}78func (s *Subscribe) Unsubscribe(request string) error {79 if err := websocket.Message.Send(s.ws, request); err != nil {80 return fmt.Errorf("unsubscribe error: %s", err)81 }82 return nil83}84func (s *Subscribe) Close() error {85 s.closeConnection()86 return s.ws.Close()87}88func (s *Subscribe) closeConnection() {89 s.Stopped <- true90}...

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closeConnection

Using AI Code Generation

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1import (2var upgrader = websocket.Upgrader{3}4func main() {5 http.HandleFunc("/ws", wsEndpoint)6 http.ListenAndServe(":8080", nil)7}8func wsEndpoint(w http.ResponseWriter, r *http.Request) {9 upgrader.CheckOrigin = func(r *http.Request) bool { return true }10 ws, err := upgrader.Upgrade(w, r, nil)11 if err != nil {12 fmt.Println(err)13 }14 fmt.Println("Client Successfully Connected...")15 reader(ws)16}17func reader(conn *websocket.Conn) {18 for {19 messageType, p, err := conn.ReadMessage()20 if err != nil {21 fmt.Println(err)22 }23 fmt.Println(string(p))24 if err := conn.WriteMessage(messageType, p); err != nil {25 fmt.Println(err)26 }27 time.Sleep(time.Second * 1)28 conn.Close()29 }30}

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closeConnection

Using AI Code Generation

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1import (2func main() {3 u := url.URL{Scheme: "ws", Host: "localhost:8080", Path: "/ws"}4 fmt.Println("connecting to", u.String())5 c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)6 if err != nil {7 fmt.Println("error in connection", err)8 }9 defer c.Close()10 fmt.Println("connection established")11}

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closeConnection

Using AI Code Generation

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1import (2func main() {3 if err != nil {4 fmt.Println("Error in dialing the websocket connection")5 }6 defer ws.Close()7 err = ws.WriteMessage(websocket.TextMessage, []byte("Hello World"))8 if err != nil {9 fmt.Println("Error in sending message to the server")10 }11 ws.Close()12 err = ws.WriteMessage(websocket.TextMessage, []byte("Hello World"))13 if err != nil {14 fmt.Println("Error in sending message to the server")15 }16 time.Sleep(5 * time.Second)17}

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closeConnection

Using AI Code Generation

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1import (2func main() {3 http.HandleFunc("/websockets", func(w http.ResponseWriter, r *http.Request) {4 ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)5 if _, ok := err.(websocket.HandshakeError); ok {6 http.Error(w, "Not a websocket handshake", 400)7 } else if err != nil {8 }9 ws.Close()10 })11 fmt.Println("Server started on localhost:8000")12 http.ListenAndServe(":8000", nil)13}

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closeConnection

Using AI Code Generation

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1import (2func main() {3 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4 upgrader := websocket.Upgrader{5 CheckOrigin: func(r *http.Request) bool {6 },7 }8 conn, err := upgrader.Upgrade(w, r, nil)9 if err != nil {10 log.Fatal(err)11 }12 defer conn.Close()13 _, msg, err := conn.ReadMessage()14 if err != nil {15 log.Fatal(err)16 }17 fmt.Println(string(msg))18 })19 log.Fatal(http.ListenAndServe(":8080", nil))20}21import (22func main() {23 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {24 upgrader := websocket.Upgrader{25 CheckOrigin: func(r *http.Request) bool {26 },27 }28 conn, err := upgrader.Upgrade(w, r, nil)29 if err != nil {30 log.Fatal(err)31 }32 defer conn.Close()33 _, msg, err := conn.ReadMessage()34 if err != nil {35 log.Fatal(err)36 }37 fmt.Println(string(msg))38 })39 log.Fatal(http.ListenAndServe(":8080", nil))40}

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closeConnection

Using AI Code Generation

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1import (2func main() {3 ws.Connect()4 ws.Close()5 fmt.Println("Connection closed")6}7import (8func main() {9 ws.Connect()10 ws.Send("Hello World")11 ws.Close()12}13import (14func main() {15 ws.Connect()16 ws.Send("Hello World")17 ws.OnMessage(func(message string) {18 fmt.Println(message)19 })20 ws.Close()21}22import (23func main() {24 ws.Connect()25 ws.Send("Hello World")26 ws.OnMessage(func(message string) {27 fmt.Println(message)28 })29 ws.OnError(func(err error) {30 fmt.Println(err)31 })32 ws.Close()33}34import (35func main() {36 ws.Connect()37 ws.Send("Hello World")38 ws.OnMessage(func(message string) {39 fmt.Println(message)40 })41 ws.OnError(func(err error) {42 fmt.Println(err)43 })44 ws.OnOpen(func() {45 fmt.Println("Connection Opened")46 })47 ws.Close()48}49import (50func main() {51 ws.Connect()52 ws.Send("Hello World")53 ws.OnMessage(func(message string) {54 fmt.Println(message)55 })56 ws.OnError(func(err error) {57 fmt.Println(err)58 })59 ws.OnOpen(func() {60 fmt.Println("Connection Opened")61 })

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closeConnection

Using AI Code Generation

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1import (2func main() {3 ws := ws.New()4 fmt.Println("Connection Established")5 ws.CloseConnection()6 fmt.Println("Connection Closed")7}

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closeConnection

Using AI Code Generation

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1import(2func main(){3 ws.init()4 for i:=0;i<10;i++{5 ws.send("hello")6 time.Sleep(time.Second)7 }8 ws.closeConnection()9}10import(11func main(){12 ws.init()13 for i:=0;i<10;i++{14 ws.send("hello")15 time.Sleep(time.Second)16 }17 ws.closeConnection()18}19import(20func main(){21 ws.init()22 for i:=0;i<10;i++{23 ws.send("hello")24 time.Sleep(time.Second)25 }26 ws.closeConnection()27}28import(29func main(){30 ws.init()31 for i:=0;i<10;i++{32 ws.send("hello")33 time.Sleep(time.Second)34 }35 ws.closeConnection()36}37import(38func main(){39 ws.init()40 for i:=0;i<10;i++{41 ws.send("hello")42 time.Sleep(time.Second)43 }44 ws.closeConnection()45}

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closeConnection

Using AI Code Generation

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1import (2func main() {3 ws := websocket.New()4 ws.Send("Hello from client")5 fmt.Println(ws.Receive())6 ws.CloseConnection()7 c := make(chan os.Signal)8 signal.Notify(c, os.Interrupt, syscall.SIGTERM)9}

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