def __init__(self, config):
        self._config = config
        self._relays = {}  # (tcprelay, udprelay)
        self._loop = eventloop.EventLoop()
        self._dns_resolver = asyncdns.DNSResolver()
        self._dns_resolver.add_to_loop(self._loop)

        self._statistics = collections.defaultdict(int)
        self._control_client_addr = None
        try:
            manager_address = config['manager_address']
            if ':' in manager_address:
                addr = manager_address.rsplit(':', 1)
                addr = addr[0], int(addr[1])
                addrs = socket.getaddrinfo(addr[0], addr[1])
                if addrs:
                    family = addrs[0][0]
                else:
                    logging.error('invalid address: %s', manager_address)
                    exit(1)
            else:
                addr = manager_address
                family = socket.AF_UNIX
            self._control_socket = socket.socket(family,
                                                 socket.SOCK_DGRAM)
            self._control_socket.bind(addr)
            self._control_socket.setblocking(False)
        except (OSError, __HOLE__) as e:
            logging.error(e)
            logging.error('can not bind to manager address')
            exit(1)
        self._loop.add(self._control_socket,
                       eventloop.POLL_IN, self)
        self._loop.add_periodic(self.handle_periodic)

        port_password = config['port_password']
        del config['port_password']
        for port, password in port_password.items():
            a_config = config.copy()
            a_config['server_port'] = int(port)
            a_config['password'] = password
            self.add_port(a_config)
dataset/ETHPy150Open ziggear/shadowsocks/shadowsocks/manager.py/Manager.__init__