monitor_linux.py 文件源码

def __init__(self, *args, **kwargs):
        super(VRRPInterfaceMonitorNetworkDevice, self).__init__(*args,
                                                                **kwargs)
        self.__is_active = True
        config = self.config
        if config.is_ipv6:
            family = socket.AF_INET6
            ether_type = ether.ETH_TYPE_IPV6
            mac_address = vrrp.vrrp_ipv6_src_mac_address(config.vrid)
        else:
            family = socket.AF_INET
            ether_type = ether.ETH_TYPE_IP
            mac_address = vrrp.vrrp_ipv4_src_mac_address(config.vrid)
        # socket module doesn't define IPPROTO_VRRP
        self.ip_socket = socket.socket(family, socket.SOCK_RAW,
                                       inet.IPPROTO_VRRP)

        self.packet_socket = socket.socket(socket.AF_PACKET, socket.SOCK_RAW,
                                           socket.htons(ether_type))
        self.packet_socket.bind((self.interface.device_name, ether_type,
                                 socket.PACKET_MULTICAST,
                                 arp.ARP_HW_TYPE_ETHERNET,
                                 addrconv.mac.text_to_bin(mac_address)))

        self.ifindex = if_nametoindex(self.interface.device_name)