75 lines
1.3 KiB
Go
75 lines
1.3 KiB
Go
package main
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import (
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"io"
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"log"
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"net"
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"github.com/gorilla/websocket"
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)
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func handleConnection(conn net.Conn, wsURL string) {
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defer conn.Close()
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wsConn, _, err := websocket.DefaultDialer.Dial(wsURL, nil)
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if err != nil {
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log.Println("WebSocket connection error:", err)
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return
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}
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defer wsConn.Close()
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go func() {
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for {
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_, message, err := wsConn.ReadMessage()
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if err != nil {
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log.Println("WebSocket read error:", err)
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return
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}
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_, err = conn.Write(message)
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if err != nil {
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log.Println("TCP write error:", err)
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return
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}
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}
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}()
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for {
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buffer := make([]byte, 1024)
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n, err := conn.Read(buffer)
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if err != nil {
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if err != io.EOF {
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log.Println("TCP read error:", err)
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}
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return
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}
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err = wsConn.WriteMessage(websocket.BinaryMessage, buffer[:n])
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if err != nil {
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log.Println("WebSocket write error:", err)
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return
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}
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}
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}
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func main() {
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tcpPort := "7000"
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wsURL := "ws://localhost:8000/ws" // Replace with your WebSocket server URL
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listener, err := net.Listen("tcp", ":"+tcpPort)
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if err != nil {
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log.Fatal(err)
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}
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defer listener.Close()
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log.Printf("TCP server listening on port %s", tcpPort)
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log.Printf("Forwarding connections to WebSocket server at %s", wsURL)
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for {
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conn, err := listener.Accept()
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if err != nil {
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log.Println(err)
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continue
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}
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go handleConnection(conn, wsURL)
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}
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}
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