arp.py 文件源码

def _make_new_mappings(self, mappings):
        """Convert a sequence of (ip, mac) tuples into a Arp shadow containers.

        Arguments:

          mappings -- An iterable containing tuples: (ip, mac)

        """
        netbox = self.containers.factory(None, shadows.Netbox)
        timestamp = datetime.now()
        infinity = datetime.max

        for (ip, mac) in mappings:
            if not ip or not mac:
                continue  # Some devices seem to return empty results!
            arp = self.containers.factory((ip, mac), shadows.Arp)
            arp.netbox = netbox
            arp.sysname = self.netbox.sysname
            arp.ip = ip.strCompressed()
            arp.mac = mac
            arp.prefix_id = self._find_largest_matching_prefix(ip)
            arp.start_time = timestamp
            arp.end_time = infinity