ffmap-backend/node.py

71 lines
1.7 KiB
Python

from collections import defaultdict
class NoneDict:
"""
A NoneDict acts like None but returns a NoneDict for every item in it.
This is similar to the behaviour of collections.defaultdict in that even
previously inexistent keys can be accessed, but there is nothing stored
permanently.
"""
__repr__ = lambda self: 'NoneDict()'
__bool__ = lambda self: False
__getitem__ = lambda self, k: NoneDict()
__json__ = lambda self: None
__float__ = lambda self: float('NaN')
def __setitem__(self, key, value):
raise RuntimeError("NoneDict is readonly")
class casualdict(defaultdict):
"""
This special defaultdict returns a NoneDict for inexistent items. Also, its
items can be accessed as attributed as well.
"""
def __init__(self):
super().__init__(NoneDict)
__getattr__ = defaultdict.__getitem__
__setattr__ = defaultdict.__setitem__
class Node(casualdict):
def __init__(self):
self.name = ""
self.id = ""
self.macs = set()
self.interfaces = dict()
self.flags = dict({
"online": False,
"gateway": False,
"client": False
})
super().__init__()
def add_mac(self, mac):
mac = mac.lower()
if len(self.macs) == 0:
self.id = mac
self.macs.add(mac)
self.interfaces[mac] = Interface()
def __repr__(self):
return self.macs.__repr__()
def export(self):
"""
Return a dict that contains all attributes of the Node that are supposed to
be exported to other applications.
"""
return {
"name": self.name,
"id": self.id,
"macs": list(self.macs),
"geo": self.geo,
"firmware": self.software['firmware']['release'],
"flags": self.flags
}
class Interface():
def __init__(self):
self.vpn = False