Run server.
        :return:

def run(self):
        '''
        Run server.
        :return:
        '''
        listen_ip = self._config.get(self.LISTEN_IP, self.DEFAULTS[self.LISTEN_IP])
        port = self._config.get(self.PORT, self.DEFAULTS[self.PORT])
        self.log.info('Starting service discovery listener on udp://%s:%s', listen_ip, port)
        loop = asyncio.get_event_loop()
        protocol = SSDPFactory(answer=self._config[self.ANSWER])
        if asyncio.ported:
            transport, protocol = loop.run_until_complete(
                SSDPDiscoveryServer.create_datagram_endpoint(loop, protocol, local_addr=(listen_ip, port)))
        else:
            transport, protocol = loop.run_until_complete(
                loop.create_datagram_endpoint(protocol, local_addr=(listen_ip, port), allow_broadcast=True))
        try:
            loop.run_forever()
        finally:
            self.log.info('Stopping service discovery listener.')
            transport.close()
            loop.close()