How to use the websockify.websocket.WebSocketServer.socket function in websockify

# Checking for a token is done in validate_connection()

        # Connect to the target
        if self.server.wrap_cmd:
            msg = "connecting to command: '%s' (port %s)" % (" ".join(self.server.wrap_cmd), self.server.target_port)
        elif self.server.unix_target:
            msg = "connecting to unix socket: %s" % self.server.unix_target
        else:
            msg = "connecting to: %s:%s" % (
                                    self.server.target_host, self.server.target_port)

        if self.server.ssl_target:
            msg += " (using SSL)"
        self.log_message(msg)

        tsock = websocket.WebSocketServer.socket(self.server.target_host,
                                                 self.server.target_port,
                connect=True, use_ssl=self.server.ssl_target, unix_socket=self.server.unix_target)

        self.print_traffic(self.traffic_legend)

        # Start proxying
        try:
            self.do_proxy(tsock)
        except:
            if tsock:
                tsock.shutdown(socket.SHUT_RDWR)
                tsock.close()
                if self.verbose:
                    self.log_message("%s:%s: Closed target",
                            self.server.target_host, self.server.target_port)
            raise

" ".join(self.server.wrap_cmd),
                self.server.target_port,
            )
        elif self.server.unix_target:
            msg = "connecting to unix socket: %s" % self.server.unix_target
        else:
            msg = "connecting to: %s:%s" % (
                self.server.target_host,
                self.server.target_port,
            )

        if self.server.ssl_target:
            msg += " (using SSL)"
        self.log_message(msg)

        tsock = websocket.WebSocketServer.socket(
            self.server.target_host,
            self.server.target_port,
            connect=True,
            use_ssl=self.server.ssl_target,
            unix_socket=self.server.unix_target,
        )

        self.print_traffic(self.traffic_legend)

        # Start proxying
        try:
            self.do_proxy(tsock)
        except:
            if tsock:
                tsock.shutdown(socket.SHUT_RDWR)
                tsock.close()

# Connect to the target
        if self.server.wrap_cmd:
            msg = "connecting to command: '%s' (port %s)" % (
                " ".join(self.server.wrap_cmd), self.server.target_port)
        elif self.server.unix_target:
            msg = "connecting to unix socket: %s" % self.server.unix_target
        else:
            msg = "connecting to: %s:%s" % (
                self.server.target_host, self.server.target_port)

        if self.server.ssl_target:
            msg += " (using SSL)"
        self.log_message(msg)

        tsock = websocket.WebSocketServer.socket(self.server.target_host,
                                                 self.server.target_port,
                                                 connect=True,
                                                 use_ssl=self.server.ssl_target,
                                                 unix_socket=self.server.unix_target)

        self.request.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
        if not self.server.wrap_cmd and not self.server.unix_target:
            tsock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)

        self.print_traffic(self.traffic_legend)

        # Start proxying
        try:
            self.do_proxy(tsock)
        except Exception:
            if tsock: