class Listener:
    services = {}
    devices = {}

    def __init__(self):
        pass

    def remove_service(self, zeroconf, type, name):
        info = zeroconf.get_service_info(type, name)
        logging.info("Service %s removed" % (name,))
        if name in self.services:
            del self.services[name]

    def add_service(self, zeroconf, type, service_name):
        info = zeroconf.get_service_info(type, service_name)
        if info:
            address = None
            if info.address is not None:
                address = socket.inet_ntoa(info.address)
            port = info.port
            server = str(info.server)
            m = re_iid.match(server)
            # print("Service %s added, service info: %s" % (name, info))
            if m is not None:
                iid = m.groupdict()['iid']
                logging.info("Service %s added, service info: %s" % (service_name, '%s %s %s %s' % (address, port, server, iid)))
                if service_name not in self.services:
                    name = get_device_info(iid, address)
                    d = {
                        'address': address,
                        'service_name': service_name,
                        'port': port,
                        'server': server,
                        'iid': iid,
                        'name': name,
                    }
                    self.services[service_name] = d
                else:
                    d = self.services[service_name]

                if iid not in self.devices:
                    address = d.get('address')
                    name = get_name(iid, address, d)
                    self.devices[iid] = {
                        'address': address,
                        'iid': d.get('iid'),
                        'name': name,
                        'services': {
                            d.get('service_name'): {
                                'service_name': d.get('service_name'),
                                'port': d.get('port'),
                                'server': d.get('server'),
                            }
                        }
                    }
                else:
                    self.devices[iid]['services'][d.get('service_name')] = {
                        'service_name': d.get('service_name'),
                        'port': d.get('port'),
                        'server': d.get('server'),
                    }
            else:
                print("Service %s added, service info: %s" % (service_name, '%s %s %s' % (address, port, server)))