freifunk/ffmap-backend
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remove dead code

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This commit is contained in:
Nils Schneider 2014-09-20 21:37:00 +02:00
parent 48a1744639
commit b7a079d418
1 changed files with 0 additions and 44 deletions
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44
nodedb.py
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@ -280,47 +280,3 @@ def is_similar(a, b):
# These addresses look pretty similar! # These addresses look pretty similar!
return delta < 8 return delta < 8
def is_derived_mac(a, b):
if a == b:
return True
try:
mac_a = list(int(i, 16) for i in a.split(":"))
mac_b = list(int(i, 16) for i in b.split(":"))
except ValueError:
return False
if mac_a[4] != mac_b[4] or mac_a[2] != mac_b[2] or mac_a[1] != mac_b[1]:
return False
x = list(mac_a)
x[5] += 1
x[5] %= 255
if mac_b == x:
return True
x[0] |= 2
if mac_b == x:
return True
x[3] += 1
x[3] %= 255
if mac_b == x:
return True
x = list(mac_a)
x[0] |= 2
x[5] += 2
x[5] %= 255
if mac_b == x:
return True
x = list(mac_a)
x[0] |= 2
x[3] += 1
x[3] %= 255
if mac_b == x:
return True
return False