Send message.

def _send(self, *messages):
        """Send message."""
        if not self.transport:
            return False

        messages = [message.encode('ascii') for message in messages]
        data = b''
        while messages:
            message = messages.pop(0)
            if len(data + message) + 1 > self.parent.cfg.maxudpsize:
                self.transport.sendto(data)
                data = b''

            data += message + b'\n'

        if data:
            self.transport.sendto(data)