"""
Copyright 2015 Brocade Communications Systems, Inc.
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.
"""
import xml.etree.ElementTree as ET
from pynos.versions.ver_7.ver_7_0_0.yang.brocade_lldp_ext \
import brocade_lldp_ext as brcd_lldp
import pynos.utilities
from pynos.versions.base.lldp import LLDP as BaseLLDP
[docs]class LLDP(BaseLLDP):
"""LLDP class containing LLDP methods and attributes.
"""
def __init__(self, callback):
"""LLDP init method.
Args:
callback (function): Callback function that will be called for each
action.
Returns:
LLDP Object
Raises:
None
"""
super(LLDP, self).__init__(callback)
self._lldp = brcd_lldp(callback=pynos.utilities.return_xml)
[docs] def neighbors(self, **kwargs):
"""list[dict]: A list of dictionary items describing the operational
state of LLDP.
"""
urn = "{urn:brocade.com:mgmt:brocade-lldp-ext}"
result = []
has_more = ''
last_ifindex = ''
rbridge_id = None
if 'rbridge_id' in kwargs:
rbridge_id = kwargs.pop('rbridge_id')
while (has_more == '') or (has_more == 'true'):
request_lldp = self.get_lldp_neighbors_request(last_ifindex,
rbridge_id)
lldp_result = self._callback(request_lldp, 'get')
has_more = lldp_result.find('%shas-more' % urn).text
for item in lldp_result.findall('%slldp-neighbor-detail' % urn):
local_int_name = item.find('%slocal-interface-name' % urn).text
local_int_mac = item.find('%slocal-interface-mac' % urn).text
last_ifindex = item.find(
'%slocal-interface-ifindex' % urn).text
remote_int_name = item.find(
'%sremote-interface-name' % urn).text
remote_int_mac = item.find('%sremote-interface-mac' % urn).text
remote_chas_id = item.find('%sremote-chassis-id' % urn).text
try:
remote_sys_name = item.find(
'%sremote-system-name' % urn).text
except AttributeError:
remote_sys_name = ''
try:
remote_sys_desc = item.find('%sremote-system-description' %
urn).text
except AttributeError:
remote_sys_desc = ''
try:
remote_mgmt_addr = item.find(
'%sremote-management-address' %
urn).text
except AttributeError:
remote_mgmt_addr = ''
if 'Fo ' in local_int_name:
local_int_name = local_int_name.replace(
'Fo ',
'FortyGigabitEthernet '
)
if 'Te ' in local_int_name:
local_int_name = local_int_name.replace(
'Te ',
'TenGigabitEthernet '
)
item_results = {'local-int-name': local_int_name,
'local-int-mac': local_int_mac,
'remote-int-name': remote_int_name,
'remote-int-mac': remote_int_mac,
'remote-chassis-id': remote_chas_id,
'remote-system-name': remote_sys_name,
'remote-system-description': remote_sys_desc,
'remote-management-address': remote_mgmt_addr}
result.append(item_results)
return result
@staticmethod
[docs] def get_lldp_neighbors_request(last_ifindex, rbridge_id):
""" Creates a new Netconf request based on the last received or if
rbridge_id is specifed
ifindex when the hasMore flag is true
"""
request_lldp = ET.Element(
'get-lldp-neighbor-detail',
xmlns="urn:brocade.com:mgmt:brocade-lldp-ext"
)
if rbridge_id is not None:
rbridge_el = ET.SubElement(request_lldp, "rbridge-id")
rbridge_el.text = rbridge_id
elif last_ifindex != '':
last_received_int = ET.SubElement(request_lldp,
"last-rcvd-ifindex")
last_received_int.text = last_ifindex
return request_lldp