def get_vlan_list(row):
concatenated_bits = b''
for column in ('vlanTrunkPortVlansEnabled',
'vlanTrunkPortVlansEnabled2k',
'vlanTrunkPortVlansEnabled3k',
'vlanTrunkPortVlansEnabled4k'):
value = row[column] or b''
concatenated_bits += value.ljust(CHARS_IN_1024_BITS, b'\x00')
enabled = BitVector(concatenated_bits)
return as_bitvector and enabled or enabled.get_set_bits()
def test_chunkify(self):
vlans = [10, 33, 513, 1023, 1025, 2048, 4095]
b = BitVector(512 * '\000')
for vlan in vlans:
b[vlan] = 1
self.assertEqual(b.get_set_bits(), vlans)
first, second, third, fourth = SNMPHandler._chunkify(b, 4)
self.assertEqual(first.get_set_bits(), [10, 33, 513, 1023])
self.assertEqual(second.get_set_bits(), [1])
self.assertEqual(third.get_set_bits(), [0])
self.assertEqual(fourth.get_set_bits(), [1023])
def get_vlan_list(row):
concatenated_bits = ''
# There is no point in concatening more bitstrings if one of them
# are empty, that would just produced a skewed result.
for column in ('vlanTrunkPortVlansEnabled',
'vlanTrunkPortVlansEnabled2k',
'vlanTrunkPortVlansEnabled3k',
'vlanTrunkPortVlansEnabled4k'):
if row[column]:
concatenated_bits += row[column]
else:
break
enabled = BitVector(concatenated_bits)
return as_bitvector and enabled or enabled.get_set_bits()
def get_native_and_trunked_vlans(self, interface):
ifindex = interface.ifindex
native_vlan = self._query_netbox(self.TRUNKPORTNATIVEVLAN, ifindex)
blocks = [
self._query_netbox(oid, ifindex) or ''
for oid in (self.TRUNKPORTVLANSENABLED,
self.TRUNKPORTVLANSENABLED2K,
self.TRUNKPORTVLANSENABLED3K,
self.TRUNKPORTVLANSENABLED4K)]
bitstring = "".join(value.ljust(CHARS_IN_1024_BITS, '\x00')
for value in blocks)
bitvector = BitVector(bitstring)
return native_vlan, bitvector.get_set_bits()
def get_vlan_list(row):
concatenated_bits = ''
# There is no point in concatening more bitstrings if one of them
# are empty, that would just produced a skewed result.
for column in ('vlanTrunkPortVlansEnabled',
'vlanTrunkPortVlansEnabled2k',
'vlanTrunkPortVlansEnabled3k',
'vlanTrunkPortVlansEnabled4k'):
if row[column]:
concatenated_bits += row[column]
else:
break
enabled = BitVector(concatenated_bits)
return as_bitvector and enabled or enabled.get_set_bits()