gsup.py 文件源码

def send_msg(self, msg_type, ies):
        """
        Encodes and sends the message to the IPA layer.
        """
        # Calc the maximum length possible for the message, and allocate memory
        buf_size = _GSUP.get_max_bytes(ies)
        (buf, offset) = self._ipa_writer.get_write_buf(buf_size)

        try:
            msg_len = _GSUP.encode(buf, offset, msg_type, ies)
        except GSUPCodecError as err:
            # Encoding should always succeed
            logging.fatal(
                "Encoding failed with err: %s, for msg: %s, ies: %s",
                err, msg_type, ies)
            return

        # Reset the length in the IPA header based on actual msg size
        self._ipa_writer.reset_length(buf, msg_len - offset)

        # Write the encoded msg
        self._ipa_writer.write(buf[:msg_len])