DHCP.py 文件源码

def get_client_ip(self, xid, dhcp_options):
        try:
            field_name, req_addr = dhcp_options[2]
            if field_name == 'requested_addr':
                return 'requested', req_addr

            raise ValueError
        except ValueError:
            for field in dhcp_options:
                if (field is tuple) and (field[0] == 'requested_addr'):
                    return field[1]

        if xid in self.dhcp_dic.keys():
            client_ip = self.dhcp_dic[xid]
            return 'stored', client_ip

        net = IPNetwork(self.ip_address + '/24')
        return 'generated', str(random.choice(list(net)))