simplify clientcount
parent
6e101bc6de
commit
ee8bbd8b3e
37
nodedb.py
37
nodedb.py
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@ -171,11 +171,15 @@ class NodeDB:
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try:
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node = self.maybe_node_by_mac((x['router'], ))
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node.add_mac(x['gateway'])
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if not is_similar(x['router'], x['gateway']):
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node.clientcount += 1
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node.clientcount += 1
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except:
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pass
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# don't count node as its own client
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for node in self._nodes:
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if node.clientcount > 0:
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node.clientcount -= 1
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def reduce_links(self):
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tmp_links = defaultdict(list)
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@ -245,32 +249,3 @@ class NodeDB:
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changes += 1
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link.type = "vpn"
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# compares two MACs and decides whether they are
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# similar and could be from the same node
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def is_similar(a, b):
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if a == b:
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return True
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try:
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mac_a = list(int(i, 16) for i in a.split(":"))
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mac_b = list(int(i, 16) for i in b.split(":"))
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except ValueError:
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return False
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# first byte must only differ in bit 2
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if mac_a[0] | 2 == mac_b[0] | 2:
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# count different bytes
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c = [x for x in zip(mac_a[1:], mac_b[1:]) if x[0] != x[1]]
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else:
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return False
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# no more than two additional bytes must differ
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if len(c) <= 2:
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delta = 0
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if len(c) > 0:
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delta = sum(abs(i[0] -i[1]) for i in c)
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# These addresses look pretty similar!
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return delta < 8
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