#!/usr/bin/env python
-from abc import abstractmethod, ABCMeta
+import abc
+import six
from scapy.layers.l2 import Ether, Raw
from scapy.layers.inet import IP, UDP
from util import ip4_range
+@six.add_metaclass(abc.ABCMeta)
class BridgeDomain(object):
""" Bridge domain abstraction """
- __metaclass__ = ABCMeta
@property
def frame_request(self):
UDP(sport=20000, dport=10000) /
Raw('\xa5' * 100))
- @abstractmethod
+ @abc.abstractmethod
def ip_range(self, start, end):
""" range of remote ip's """
pass
- @abstractmethod
+ @abc.abstractmethod
def encap_mcast(self, pkt, src_ip, src_mac, vni):
""" Encapsulate mcast packet """
pass
- @abstractmethod
+ @abc.abstractmethod
def encapsulate(self, pkt, vni):
""" Encapsulate packet """
pass
- @abstractmethod
+ @abc.abstractmethod
def decapsulate(self, pkt):
""" Decapsulate packet """
pass
- @abstractmethod
+ @abc.abstractmethod
def check_encapsulation(self, pkt, vni, local_only=False):
""" Verify the encapsulation """
pass