zebra.py 文件源码

def serialize(self):
        if ip.valid_ipv4(self.prefix):
            self.family = socket.AF_INET  # fixup
            prefix_addr, prefix_num = self.prefix.split('/')
            body_bin = struct.pack(
                self._IPV4_BODY_FMT,
                addrconv.ipv4.text_to_bin(prefix_addr),
                int(prefix_num),
                addrconv.ipv4.text_to_bin(self.dest))
        elif ip.valid_ipv6(self.prefix):
            self.family = socket.AF_INET6  # fixup
            prefix_addr, prefix_num = self.prefix.split('/')
            body_bin = struct.pack(
                self._IPV6_BODY_FMT,
                addrconv.ipv6.text_to_bin(prefix_addr),
                int(prefix_num),
                addrconv.ipv6.text_to_bin(self.dest))
        else:
            raise ValueError(
                'Invalid address family for prefix=%s and dest=%s'
                % (self.prefix, self.dest))

        buf = struct.pack(self._HEADER_FMT,
                          self.ifindex, self.ifc_flags, self.family)

        return buf + body_bin