fix: pong data race

v1/client/client.go

@@ -193,6 +193,7 @@ type SafeWebsocketClient struct {
 	authenticateFn func(*SafeWebsocketClient) error
 
 	writeChan chan Message
+	pongChan  chan error
 }
 
 func (wsClient *SafeWebsocketClient) connect() error {
@@ -267,6 +268,9 @@ func (wsClient *SafeWebsocketClient) connect() error {
 				if err := c.WriteMessage(int(data.MessageType), data.Data); err != nil {
 					log.Printf("error on write message: %v\n", err)
 					wsClient.triggerReconnect()
+					if data.MessageType == MessageTypePong {
+						wsClient.pongChan <- err
+					}
 					return
 				}
 			}
@@ -324,18 +328,15 @@ func (wsClient *SafeWebsocketClient) connect() error {
 	}()
 
 	conn.SetPingHandler(func(pingData string) error {
-		// wsClient.writeChan <- Message{
-		// 	MessageType: MessageTypePong,
-		// 	Data:        []byte(pingData),
-		// }
-		if err := conn.WriteMessage(websocket.PongMessage, []byte(pingData)); err != nil {
-			if err == websocket.ErrCloseSent {
-				return nil
-			}
-			if netErr, ok := err.(interface{ Timeout() bool }); ok && netErr.Timeout() {
-				return nil
-			}
+		wsClient.writeChan <- Message{
+			MessageType: MessageTypePong,
+			Data:        []byte(pingData),
+		}
+
+		select {
+		case err := <-wsClient.pongChan:
 			return err
+		default:
 		}
 		return nil
 	})