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# Copyright 2014 Huawei Technologies Co. Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Huawei Switch Mac module."""
import logging
from compass.hdsdiscovery.base import BaseSnmpMacPlugin
from compass.hdsdiscovery import utils
CLASS_NAME = "Mac"
class Mac(BaseSnmpMacPlugin):
"""Processes MAC address."""
def __init__(self, host, credential):
super(Mac, self).__init__(
host, credential,
'HUAWEI-L2MAM-MIB::hwDynFdbPort')
def scan(self):
"""Implemnets the scan method in BasePlugin class.
.. note::
In this mac module, mac addesses were retrieved by
snmpwalk commandline.
"""
results = utils.snmpwalk_by_cl(self.host, self.credential, self.oid)
if not results:
logging.info("[Huawei][mac] No results returned from SNMP walk!")
return None
mac_list = []
for entity in results:
# The format of 'iid' is like '248.192.1.214.34.15.31.1.48'
# The first 6 numbers will be the MAC address
# The 7th number is its vlan ID
numbers = entity['iid'].split('.')
mac = self.get_mac_address(numbers[:6])
vlan = numbers[6]
port = self.get_port(entity['value'])
tmp = {}
tmp['port'] = port
tmp['mac'] = mac
tmp['vlan'] = vlan
mac_list.append(tmp)
return mac_list
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