cisco.py 文件源码

def _parse_ipdt_output(self, output):
        """IPDT output parsing.

        Parses the output of the `show ip device track` command.

        :param output: the output of the command
            IP Device Tracking = Enabled
            IP Device Tracking Probe Count = 3
            IP Device Tracking Probe Interval = 30
            IP Device Tracking Probe Delay Interval = 0
            -------------------------------------------------------------------
              IP Address     MAC Address   Vlan  Interface              STATE
            -------------------------------------------------------------------
            192.168.1.12     6cec.eb68.c86f  601  GigabitEthernet1/0/14  ACTIVE
            192.168.1.15     6cec.eb67.836c  601  GigabitEthernet1/0/12  ACTIVE
            <snip>

            Total number interfaces enabled: 47
            Enabled interfaces:
             Gi1/0/1, Gi1/0/2, Gi1/0/3, Gi1/0/4, Gi1/0/5, Gi1/0/6, Gi1/0/7,
             <snip>
        :return: list of dicts containing device connection metrics
        """
        lookup = []
        lines = [line.strip() for line in output.splitlines()]
        lines.append('')
        while len(lines) > 0:
            line = lines.pop(0)

            # Table entries will always have a '.' for the MAC address.
            # If there isn't one it's not a row we care about.
            if line.find('.') < 0:
                continue

            values = [entry for entry in line.split() if entry]

            # Ignore any 'INACTIVE' entries, meaning that there hasn't been
            # traffic from that MAC Address is has likely been unplugged.
            if values[4] == 'INACTIVE':
                continue

            lookup.append(
                {
                    'ip': values[0],
                    'mac': EUI(values[1], dialect=mac_unix_expanded),
                    'interface': self._shorthand_port_notation(values[3])
                }
            )
        return sorted(lookup, key=lambda k: k['interface'])