Best K6 code snippet using ws.wrapHTTPResponse
ws.go
Source:ws.go
...174 if _, err := setupFn(goja.Undefined(), rt.ToValue(&socket)); err != nil {175 _ = socket.closeConnection(websocket.CloseGoingAway)176 return nil, err177 }178 wsResponse, wsRespErr := wrapHTTPResponse(httpResponse)179 if wsRespErr != nil {180 return nil, wsRespErr181 }182 wsResponse.URL = url183 defer func() { _ = conn.Close() }()184 if state.Options.SystemTags.Has(stats.TagStatus) {185 tags["status"] = strconv.Itoa(httpResponse.StatusCode)186 }187 if state.Options.SystemTags.Has(stats.TagSubproto) {188 tags["subproto"] = httpResponse.Header.Get("Sec-WebSocket-Protocol")189 }190 // The connection is now open, emit the event191 socket.handleEvent("open")192 // Make the default close handler a noop to avoid duplicate closes,193 // since we use custom closing logic to call user's event194 // handlers and for cleanup. See closeConnection.195 // closeConnection is not set directly as a handler here to196 // avoid race conditions when calling the Goja runtime.197 conn.SetCloseHandler(func(code int, text string) error { return nil })198 // Pass ping/pong events through the main control loop199 pingChan := make(chan string)200 pongChan := make(chan string)201 conn.SetPingHandler(func(msg string) error { pingChan <- msg; return nil })202 conn.SetPongHandler(func(pingID string) error { pongChan <- pingID; return nil })203 readDataChan := make(chan []byte)204 readCloseChan := make(chan int)205 readErrChan := make(chan error)206 // Wraps a couple of channels around conn.ReadMessage207 go readPump(conn, readDataChan, readErrChan, readCloseChan)208 // This is the main control loop. All JS code (including error handlers)209 // should only be executed by this thread to avoid race conditions210 for {211 select {212 case pingData := <-pingChan:213 // Handle pings received from the server214 // - trigger the `ping` event215 // - reply with pong (needed when `SetPingHandler` is overwritten)216 err := socket.conn.WriteControl(websocket.PongMessage, []byte(pingData), time.Now().Add(writeWait))217 if err != nil {218 socket.handleEvent("error", rt.ToValue(err))219 }220 socket.handleEvent("ping")221 case pingID := <-pongChan:222 // Handle pong responses to our pings223 socket.trackPong(pingID)224 socket.handleEvent("pong")225 case readData := <-readDataChan:226 socket.msgReceivedTimestamps = append(socket.msgReceivedTimestamps, time.Now())227 socket.handleEvent("message", rt.ToValue(string(readData)))228 case readErr := <-readErrChan:229 socket.handleEvent("error", rt.ToValue(readErr))230 case code := <-readCloseChan:231 _ = socket.closeConnection(code)232 case scheduledFn := <-socket.scheduled:233 if _, err := scheduledFn(goja.Undefined()); err != nil {234 return nil, err235 }236 case <-ctx.Done():237 // VU is shutting down during an interrupt238 // socket events will not be forwarded to the VU239 _ = socket.closeConnection(websocket.CloseGoingAway)240 case <-socket.done:241 // This is the final exit point normally triggered by closeConnection242 end := time.Now()243 sessionDuration := stats.D(end.Sub(start))244 sampleTags := stats.IntoSampleTags(&tags)245 stats.PushIfNotCancelled(ctx, state.Samples, stats.ConnectedSamples{246 Samples: []stats.Sample{247 {Metric: metrics.WSSessions, Time: start, Tags: sampleTags, Value: 1},248 {Metric: metrics.WSConnecting, Time: start, Tags: sampleTags, Value: connectionDuration},249 {Metric: metrics.WSSessionDuration, Time: start, Tags: sampleTags, Value: sessionDuration},250 },251 Tags: sampleTags,252 Time: start,253 })254 for _, msgSentTimestamp := range socket.msgSentTimestamps {255 stats.PushIfNotCancelled(ctx, state.Samples, stats.Sample{256 Metric: metrics.WSMessagesSent,257 Time: msgSentTimestamp,258 Tags: sampleTags,259 Value: 1,260 })261 }262 for _, msgReceivedTimestamp := range socket.msgReceivedTimestamps {263 stats.PushIfNotCancelled(ctx, state.Samples, stats.Sample{264 Metric: metrics.WSMessagesReceived,265 Time: msgReceivedTimestamp,266 Tags: sampleTags,267 Value: 1,268 })269 }270 for _, pingDelta := range socket.pingTimestamps {271 stats.PushIfNotCancelled(ctx, state.Samples, stats.Sample{272 Metric: metrics.WSPing,273 Time: pingDelta.pong,274 Tags: sampleTags,275 Value: stats.D(pingDelta.pong.Sub(pingDelta.ping)),276 })277 }278 return wsResponse, nil279 }280 }281}282func (s *Socket) On(event string, handler goja.Value) {283 if handler, ok := goja.AssertFunction(handler); ok {284 s.eventHandlers[event] = append(s.eventHandlers[event], handler)285 }286}287func (s *Socket) handleEvent(event string, args ...goja.Value) {288 if handlers, ok := s.eventHandlers[event]; ok {289 for _, handler := range handlers {290 if _, err := handler(goja.Undefined(), args...); err != nil {291 common.Throw(common.GetRuntime(s.ctx), err)292 }293 }294 }295}296func (s *Socket) Send(message string) {297 // NOTE: No binary message support for the time being since goja doesn't298 // support typed arrays.299 rt := common.GetRuntime(s.ctx)300 writeData := []byte(message)301 if err := s.conn.WriteMessage(websocket.TextMessage, writeData); err != nil {302 s.handleEvent("error", rt.ToValue(err))303 }304 s.msgSentTimestamps = append(s.msgSentTimestamps, time.Now())305}306func (s *Socket) Ping() {307 rt := common.GetRuntime(s.ctx)308 deadline := time.Now().Add(writeWait)309 pingID := strconv.Itoa(s.pingSendCounter)310 data := []byte(pingID)311 err := s.conn.WriteControl(websocket.PingMessage, data, deadline)312 if err != nil {313 s.handleEvent("error", rt.ToValue(err))314 return315 }316 s.pingSendTimestamps[pingID] = time.Now()317 s.pingSendCounter++318}319func (s *Socket) trackPong(pingID string) {320 pongTimestamp := time.Now()321 if _, ok := s.pingSendTimestamps[pingID]; !ok {322 // We received a pong for a ping we didn't send; ignore323 // (this shouldn't happen with a compliant server)324 return325 }326 pingTimestamp := s.pingSendTimestamps[pingID]327 s.pingTimestamps = append(s.pingTimestamps, pingDelta{pingTimestamp, pongTimestamp})328}329func (s *Socket) SetTimeout(fn goja.Callable, timeoutMs int) {330 // Starts a goroutine, blocks once on the timeout and pushes the callable331 // back to the main loop through the scheduled channel332 go func() {333 select {334 case <-time.After(time.Duration(timeoutMs) * time.Millisecond):335 s.scheduled <- fn336 case <-s.done:337 return338 }339 }()340}341func (s *Socket) SetInterval(fn goja.Callable, intervalMs int) {342 // Starts a goroutine, blocks forever on the ticker and pushes the callable343 // back to the main loop through the scheduled channel344 go func() {345 ticker := time.NewTicker(time.Duration(intervalMs) * time.Millisecond)346 defer ticker.Stop()347 for {348 select {349 case <-ticker.C:350 s.scheduled <- fn351 case <-s.done:352 return353 }354 }355 }()356}357func (s *Socket) Close(args ...goja.Value) {358 code := websocket.CloseGoingAway359 if len(args) > 0 {360 code = int(args[0].ToInteger())361 }362 _ = s.closeConnection(code)363}364// closeConnection cleanly closes the WebSocket connection.365// Returns an error if sending the close control frame fails.366func (s *Socket) closeConnection(code int) error {367 var err error368 s.shutdownOnce.Do(func() {369 rt := common.GetRuntime(s.ctx)370 err = s.conn.WriteControl(websocket.CloseMessage,371 websocket.FormatCloseMessage(code, ""),372 time.Now().Add(writeWait),373 )374 if err != nil {375 // Call the user-defined error handler376 s.handleEvent("error", rt.ToValue(err))377 }378 // Call the user-defined close handler379 s.handleEvent("close", rt.ToValue(code))380 _ = s.conn.Close()381 // Stop the main control loop382 close(s.done)383 })384 return err385}386// Wraps conn.ReadMessage in a channel387func readPump(conn *websocket.Conn, readChan chan []byte, errorChan chan error, closeChan chan int) {388 for {389 _, message, err := conn.ReadMessage()390 if err != nil {391 if websocket.IsUnexpectedCloseError(392 err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {393 // Report an unexpected closure394 errorChan <- err395 }396 code := websocket.CloseGoingAway397 if e, ok := err.(*websocket.CloseError); ok {398 code = e.Code399 }400 closeChan <- code401 return402 }403 readChan <- message404 }405}406// Wrap the raw HTTPResponse we received to a WSHTTPResponse we can pass to the user407func wrapHTTPResponse(httpResponse *http.Response) (*WSHTTPResponse, error) {408 wsResponse := WSHTTPResponse{409 Status: httpResponse.StatusCode,410 }411 body, err := ioutil.ReadAll(httpResponse.Body)412 if err != nil {413 return nil, err414 }415 err = httpResponse.Body.Close()416 if err != nil {417 return nil, err418 }419 wsResponse.Body = string(body)420 wsResponse.Headers = make(map[string]string, len(httpResponse.Header))421 for k, vs := range httpResponse.Header {...
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4 fmt.Fprintln(w, "Hello, world!")5 })6 http.ListenAndServe(":8080", nil)7}8import (9func main() {10 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {11 fmt.Fprintln(w, "Hello, world!")12 })13 http.ListenAndServe(":8080", nil)14}15import (16func main() {17 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {18 fmt.Fprintln(w, "Hello, world!")19 })20 http.ListenAndServe(":8080", nil)21}22import (23func main() {24 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {25 fmt.Fprintln(w, "Hello, world!")26 })27 http.ListenAndServe(":8080", nil)28}29import (30func main() {31 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {32 fmt.Fprintln(w, "Hello, world!")33 })34 http.ListenAndServe(":8080", nil)35}36import (37func main() {38 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {39 fmt.Fprintln(w, "Hello, world!")40 })41 http.ListenAndServe(":8080", nil)42}43import (44func main() {45 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {46 fmt.Fprintln(w, "Hello, world!")47 })48 http.ListenAndServe(":8080", nil)49}
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 http.HandleFunc("/", handler)4 log.Fatal(http.ListenAndServe(":"+os.Getenv("PORT"), nil))5}6func handler(w http.ResponseWriter, r *http.Request) {7 fmt.Fprintln(w, "Hello, world")8}9import (10func main() {11 http.HandleFunc("/", handler)12 log.Fatal(http.ListenAndServe(":"+os.Getenv("PORT"), nil))13}14func handler(w http.ResponseWriter, r *http.Request) {15 fmt.Fprintln(w, "Hello, world")16}17import (18func main() {19 http.HandleFunc("/", handler)20 log.Fatal(http.ListenAndServe(":"+os.Getenv("PORT"), nil))21}22func handler(w http.ResponseWriter, r *http.Request) {23 fmt.Fprintln(w, "Hello, world")24}25import (26func main() {27 http.HandleFunc("/", handler)28 log.Fatal(http.ListenAndServe(":"+os.Getenv("PORT"), nil))29}30func handler(w http.ResponseWriter, r *http.Request) {31 fmt.Fprintln(w, "Hello, world")32}33import (34func main() {35 http.HandleFunc("/", handler)36 log.Fatal(http.ListenAndServe(":"+os.Getenv("PORT"), nil))37}38func handler(w http.ResponseWriter, r *http.Request) {39 fmt.Fprintln(w, "Hello, world")40}41import (42func main() {43 http.HandleFunc("/", handler)44 log.Fatal(http.ListenAndServe(":"+os.Getenv("PORT"), nil))45}46func handler(w http.ResponseWriter, r *http.Request) {47 fmt.Fprintln(w, "Hello, world")48}
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {4 fmt.Fprintf(w, "Hello, you've requested: %s\n", r.URL.Path)5 })6 http.ListenAndServe(":8000", nil)7}8import (9func main() {10 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {11 fmt.Fprintf(w, "Hello, you've requested: %s\n", r.URL.Path)12 })13 http.ListenAndServe(":8000", nil)14}15import (16func main() {17 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {18 fmt.Fprintf(w, "Hello, you've requested: %s\n", r.URL.Path)19 })20 http.ListenAndServe(":8000", nil)21}22import (23func main() {24 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {25 fmt.Fprintf(w, "Hello, you've requested: %s\n", r.URL.Path)26 })27 http.ListenAndServe(":8000", nil)28}29import (30func main() {31 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {32 fmt.Fprintf(w, "Hello, you've requested: %s\n", r.URL.Path)33 })34 http.ListenAndServe(":8000", nil)35}36import (37func main() {38 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {39 fmt.Fprintf(w, "Hello, you've requested: %s\n", r.URL.Path)40 })
wrapHTTPResponse
Using AI Code Generation
1import "github.com/gorilla/websocket"2func main() {3 if err != nil {4 log.Fatal("dial:", err)5 }6 defer c.Close()7 err = c.WriteMessage(websocket.TextMessage, []byte("hello"))8 if err != nil {9 log.Println("write:", err)10 }11 _, message, err := c.ReadMessage()12 if err != nil {13 log.Println("read:", err)14 }15 log.Printf("recv: %s", message)16}17import (18func main() {19 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {20 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))21 })22 http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {23 conn, err := websocket.Upgrade(w, r, w.Header(), 1024, 1024)24 if _, ok := err.(websocket.HandshakeError); ok {25 http.Error(w, "Not a websocket handshake", 400)26 } else if err != nil {27 log.Println(err)28 }29 defer conn.Close()30 for {31 mt, message, err := conn.ReadMessage()32 if err != nil {33 log.Println(err)34 }35 log.Printf("recv: %s", message)36 err = conn.WriteMessage(mt, message)37 if err != nil {38 log.Println(err)39 }40 }41 })42 http.ListenAndServe(":8080", nil)43}44import (45func main() {46 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {47 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))48 })49 http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4 fmt.Fprintf(w, "Hello, %q", r.URL.Path)5 })6 http.ListenAndServe(":8080", nil)7}8import (9func main() {10 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {11 fmt.Fprintf(w, "Hello, %q", r.URL.Path)12 })13 http.ListenAndServe(":8080", nil)14}15import (16func main() {17 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {18 io.WriteString(w, "Hello, world!")19 })20 http.ListenAndServe(":8080", nil)21}22import (23func main() {24 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {25 io.WriteString(w, "Hello, world!")26 })27 http.ListenAndServe(":8080", nil)28}29import (30func main() {31 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {32 io.WriteString(w, "Hello, world!")33 })34 http.ListenAndServe(":8080", nil)35}36import (37func main() {38 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {39 io.WriteString(w, "Hello, world!")40 })41 http.ListenAndServe(":8080", nil)42}43import (44func main() {45 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {46 io.WriteString(w, "Hello, world!")47 })48 http.ListenAndServe(":8080", nil)49}50import (51func main() {52 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {53 io.WriteString(w, "Hello, world!")54 })55 http.ListenAndServe(":8080", nil)56}57import (58func main()
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4 fmt.Println("Request received")5 ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)6 if _, ok := err.(websocket.HandshakeError); ok {7 http.Error(w, "Not a websocket handshake", 400)8 } else if err != nil {9 }10 go func() {11 for {12 _, p, err := ws.ReadMessage()13 if err != nil {14 }15 fmt.Println(string(p))16 }17 }()18 for {19 time.Sleep(2 * time.Second)20 ws.WriteMessage(1, []byte("Hello"))21 }22 })23 http.ListenAndServe(addr, nil)24}25import (26func main() {27 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {28 fmt.Println("Request received")29 ws, err := websocket.Upgrade(w, r, nil, 1024, 1024)30 if _, ok := err.(websocket.HandshakeError); ok {31 http.Error(w, "Not a websocket handshake", 400)32 } else if err != nil {33 }34 go func() {35 for {36 _, p, err := ws.ReadMessage()37 if err != nil {38 }39 fmt.Println(string(p))40 }41 }()42 for {43 time.Sleep(2 * time.Second)44 ws.WriteMessage(1, []byte("Hello"))45 }46 })47 http.ListenAndServe(addr, nil)48}49import (50func main() {51 http.HandleFunc("/", func
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 ws := new(ws)4 ws.wrapHTTPResponse()5}6import (7type ws struct{}8func (ws) wrapHTTPResponse() {9 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {10 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))11 })12}13import (14type ws struct{}15func (ws) wrapHTTPResponse() {16 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {17 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))18 })19}20import (21type ws struct{}22func (ws) wrapHTTPResponse() {23 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {24 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))25 })26}27import (28type ws struct{}29func (ws) wrapHTTPResponse() {30 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {31 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))32 })33}34import (35type ws struct{}36func (ws) wrapHTTPResponse() {37 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {38 fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))39 })40}41import (42type ws struct{}43func (ws) wrapHTTPResponse() {44 http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {45 fmt.Fprintf(w, "Hello, %
wrapHTTPResponse
Using AI Code Generation
1import (2func main() {3 req, err := http.NewRequest("GET", url, nil)4 if err != nil {5 }6 req.Header.Set("X-Custom-Header", "myvalue")7 req.Header.Set("Content-Type", "application/json")8 client := &http.Client{}9 resp, err := client.Do(req)10 if err != nil {11 }12 defer resp.Body.Close()13 body, err := ioutil.ReadAll(resp.Body)14 if err != nil {15 }16 fmt.Println(string(body))17}18import (19func main() {20 req, err := http.NewRequest("GET", url, nil)21 if err != nil {22 }23 req.Header.Set("X-Custom-Header", "myvalue")24 req.Header.Set("Content-Type", "application/json")25 client := &http.Client{}26 resp, err := client.Do(req)27 if err != nil {28 }29 defer resp.Body.Close()30 body, err := ioutil.ReadAll(resp.Body)31 if err != nil {32 }33 fmt.Println(string(body))34}35import (36func main() {37 req, err := http.NewRequest("GET", url, nil)38 if err != nil {39 }40 req.Header.Set("X-Custom-Header", "myvalue")41 req.Header.Set("Content-Type", "application/json")42 client := &http.Client{}43 resp, err := client.Do(req)44 if err != nil {45 }46 defer resp.Body.Close()47 body, err := ioutil.ReadAll(resp.Body)48 if err != nil {49 }50 fmt.Println(string(body))51}52import (
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