Method _get_port

library/python/port_manager/__init__.py:150–173

(self, port, sock_type)

        return res

    def _get_port(self, port, sock_type):
        if port and self._no_random_ports():
            return port

        if len(self._filelocks) >= self._valid_port_count:
            raise PortManagerException("All valid ports are taken ({}): {}".format(self._valid_range, self._filelocks))

        salt = random.randint(0, UI16MAXVAL)
        for attempt in six.moves.range(self._valid_port_count):
            probe_port = (salt + attempt) % self._valid_port_count

            for left, right in self._valid_range:
                if probe_port >= (right - left):
                    probe_port -= right - left
                else:
                    probe_port += left
                    break
            if not self._capture_port(probe_port, sock_type):
                continue
            return probe_port

        raise PortManagerException(
            "Failed to find valid port (range: {} used: {})".format(self._valid_range, self._filelocks)
        )

    def _capture_port(self, port, sock_type):
        with self._lock: