delegate!!.bind(localAddr)
  }

  @Throws(IOException::class)
  override fun connect(remoteAddr: SocketAddress) {
    delegate!!.connect(remoteAddr)
  }

  @Throws(IOException::class)
  override fun connect(
    remoteAddr: SocketAddress,
    timeout: Int,
  ) {
    delegate!!.connect(remoteAddr, timeout)
  }

  override fun isInputShutdown(): Boolean {
    return delegate!!.isInputShutdown

		}
	}

	return addr
}

// GetSourceIPRaw retrieves the IP from the request headers
// and falls back to r.RemoteAddr when necessary.
// however returns without bracketing.
func GetSourceIPRaw(r *http.Request) string {
	addr := GetSourceIPFromHeaders(r)
	if addr == "" {
		addr = r.RemoteAddr
	}

	// Default to remote address if headers not set.
	raddr, _, _ := net.SplitHostPort(addr)
	if raddr == "" {

			fmt.Printf("grid: Got a %s request for: %v\n", req.Method, req.URL)
		}
		ctx := req.Context()
		if err := m.authRequest(req); err != nil {
			gridLogOnceIf(ctx, fmt.Errorf("auth %s: %w", req.RemoteAddr, err), req.RemoteAddr+err.Error())
			w.WriteHeader(http.StatusForbidden)
			return
		}
		conn, _, _, err := ws.UpgradeHTTP(req, w)
		if err != nil {
			if debugPrint {

func ipv6fix(clientIP string) string {
	return strings.Split(clientIP, "%")[0]
}

func (rw *headerRewriter) Rewrite(req *http.Request) {
	if clientIP, _, err := net.SplitHostPort(req.RemoteAddr); err == nil {
		clientIP = ipv6fix(clientIP)
		if req.Header.Get(xRealIP) == "" {
			req.Header.Set(xRealIP, clientIP)
		}
	}

	xfProto := req.Header.Get(xForwardedProto)
	if xfProto == "" {

  // For example: the master will return an internal IP CIDR only, if the client reaches the server using an internal IP.
  // Server looks at X-Forwarded-For header or X-Real-Ip header or request.RemoteAddr (in that order) to get the client IP.
  // +optional
  repeated ServerAddressByClientCIDR serverAddressByClientCIDRs = 4;
}

// APIGroupList is a list of APIGroup, to allow clients to discover the API at
// /apis.

pkg net, type AddrError struct, Err string
pkg net, type Conn interface { Close, LocalAddr, Read, RemoteAddr, SetDeadline, SetReadDeadline, SetWriteDeadline, Write }
pkg net, type Conn interface, Close() error
pkg net, type Conn interface, LocalAddr() Addr
pkg net, type Conn interface, Read([]uint8) (int, error)
pkg net, type Conn interface, RemoteAddr() Addr
pkg net, type Conn interface, SetDeadline(time.Time) error