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@@ -3,7 +3,6 @@ package client
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import (
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"context"
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"fmt"
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"io"
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"log"
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"net/url"
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"strings"
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@@ -69,10 +68,10 @@ func (sm *SafeMap[K, V]) Len() int {
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type MessageType uint
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const (
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MessageTypeText MessageType = iota + 1
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MessageTypePing MessageType = iota
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MessageTypePong MessageType = iota
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MessageTypeClose MessageType = iota
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MessageTypeText MessageType = websocket.TextMessage
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MessageTypePing MessageType = websocket.PingMessage
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MessageTypePong MessageType = websocket.PongMessage
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MessageTypeClose MessageType = websocket.CloseMessage
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)
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type Message struct {
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@@ -194,6 +193,7 @@ type SafeWebsocketClient struct {
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authenticateFn func(*SafeWebsocketClient) error
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writeChan chan Message
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pongChan chan error
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}
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func (wsClient *SafeWebsocketClient) connect() error {
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@@ -221,26 +221,14 @@ func (wsClient *SafeWebsocketClient) connect() error {
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return fmt.Errorf("failed to connect to %s: %w", wsClient.baseHost, err)
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}
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conn.SetPingHandler(func(pingData string) error {
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if err := conn.WriteMessage(websocket.PongMessage, []byte(pingData)); err != nil {
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if err == websocket.ErrCloseSent {
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return nil
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}
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if netErr, ok := err.(interface{ Timeout() bool }); ok && netErr.Timeout() {
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return nil
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}
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return err
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}
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return nil
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})
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pingCtx, pingCancel := context.WithCancel(context.Background())
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go wsClient.startPingTicker(pingCtx)
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wsClient.mu.WriteHandler(func() error {
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wsClient.cancelFuncs = append(wsClient.cancelFuncs, pingCancel)
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return nil
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})
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go wsClient.startPingTicker(pingCtx)
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if wsClient.conn != nil {
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wsClient.conn.Close()
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}
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@@ -260,23 +248,29 @@ func (wsClient *SafeWebsocketClient) connect() error {
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return nil
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})
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writer, err := conn.NextWriter(websocket.TextMessage)
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if err != nil {
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return
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}
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var c *websocket.Conn
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wsClient.mu.ReadHandler(func() error {
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c = conn
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return nil
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})
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for {
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select {
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case <-ctx.Done():
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fmt.Println("Writer stopped due to client shutdown")
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log.Println("Writer stopped due to client shutdown")
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return
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case data := <-wsClient.writeChan:
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if conn == nil {
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if c == nil {
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wsClient.triggerReconnect()
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return
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}
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if _, err := writer.Write(data.Data); err != nil {
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if err := c.WriteMessage(int(data.MessageType), data.Data); err != nil {
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log.Printf("error on write message: %v\n", err)
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wsClient.triggerReconnect()
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if data.MessageType == MessageTypePong {
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wsClient.pongChan <- err
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}
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return
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}
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}
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@@ -290,50 +284,63 @@ func (wsClient *SafeWebsocketClient) connect() error {
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return nil
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})
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var c *websocket.Conn
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wsClient.mu.ReadHandler(func() error {
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c = conn
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return nil
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})
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if c == nil {
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wsClient.triggerReconnect()
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return
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}
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for {
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select {
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case <-ctx.Done():
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fmt.Println("Reader stopped due to client shutdown")
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log.Println("Reader stopped due to client shutdown")
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return
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default:
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if conn == nil {
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return
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}
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if err := conn.SetReadDeadline(time.Now().Add(readDeadline)); err != nil {
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wsClient.triggerReconnect()
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fmt.Printf("error on read deadline: %v\n", err)
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if err := c.SetReadDeadline(time.Now().Add(readDeadline)); err != nil {
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log.Printf("error on read deadline: %v\n", err)
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return
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}
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mt, reader, err := conn.NextReader()
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messageType, data, err := c.ReadMessage()
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if err != nil {
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log.Printf("error on read message: %v\n", err)
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wsClient.triggerReconnect()
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return
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}
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if mt != websocket.TextMessage {
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if messageType != websocket.TextMessage {
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continue
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}
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readerBytes, err := io.ReadAll(reader)
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if err != nil {
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fmt.Printf("io reader failed: %v\n", err)
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wsClient.triggerReconnect()
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return
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}
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select {
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case wsClient.dataChannel <- readerBytes:
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case wsClient.dataChannel <- data:
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case <-ctx.Done():
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return
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default:
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fmt.Println("Data channel full, dropping message")
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log.Println("Data channel full, dropping message")
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}
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}
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}
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}()
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conn.SetPingHandler(func(pingData string) error {
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wsClient.writeChan <- Message{
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MessageType: MessageTypePong,
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Data: []byte(pingData),
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}
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select {
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case err := <-wsClient.pongChan:
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return err
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default:
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}
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return nil
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})
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return nil
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}
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@@ -349,7 +356,7 @@ func (wsClient *SafeWebsocketClient) startPingTicker(ctx context.Context) {
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case <-ticker.C:
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wsClient.writeChan <- Message{
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MessageType: websocket.PingMessage,
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Data: nil,
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Data: []byte{},
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}
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}
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}
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@@ -458,7 +465,7 @@ func (wsClient *SafeWebsocketClient) Close() error {
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wsClient.conn.Close()
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}
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wsClient.isConnected = false
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close(wsClient.dataChannel)
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// close(wsClient.dataChannel)
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return nil
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}
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