ipv4cn.py 文件源码

def parse_table(self):
        logging.info("Start parsing IP table(s)")

        with open(self.cache_apnic, 'r') as f:
            lines = f.readlines()

        ip_list = []
        for line in lines:
            if line.startswith('apnic|CN|ipv4'):
                line = line.rstrip()
                apnic, country, v4v6, prefix, count_of_addr, date, status = line.split('|')
                if v4v6 == 'ipv4' and country == 'CN':
                    decimal = 32 - binary_log(int(count_of_addr))
                    cidr_addr = prefix + '/' + str(decimal)
                    ip_list.append(cidr_addr)

        self.ipset_inwall = IPSet(ip_list)
        self.cidrs_inwall = list(self.ipset_inwall.iter_cidrs())

        logging.info("Finished parsing in-wall IP table(s). Total: %i CIDR blocks.", len(self.cidrs_inwall), )