Method close

shadowsocks/udprelay.py:318–327

(self, next_tick=False)

        self._dns_cache.sweep()

    def close(self, next_tick=False):
        logging.debug('UDP close')
        self._closed = True
        if not next_tick:
            if self._eventloop:
                self._eventloop.remove_periodic(self.handle_periodic)
                self._eventloop.remove(self._server_socket)
            self._server_socket.close()
            for client in list(self._cache.values()):
                client.close()