OpenStack Networking (Neutron)
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neutron/neutron/plugins/ml2/drivers/l2pop/rpc.py

87 lines
3.4 KiB

# Copyright (c) 2013 OpenStack Foundation.
# All Rights Reserved.
#
# 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 collections
from oslo_log import log as logging
import oslo_messaging
from neutron.common import rpc as n_rpc
from neutron.common import topics
LOG = logging.getLogger(__name__)
PortInfo = collections.namedtuple("PortInfo", "mac_address ip_address")
class L2populationAgentNotifyAPI(object):
def __init__(self, topic=topics.AGENT):
self.topic = topic
self.topic_l2pop_update = topics.get_topic_name(topic,
topics.L2POPULATION,
topics.UPDATE)
target = oslo_messaging.Target(topic=topic, version='1.0')
self.client = n_rpc.get_client(target)
def _notification_fanout(self, context, method, fdb_entries):
LOG.debug('Fanout notify l2population agents at %(topic)s '
'the message %(method)s with %(fdb_entries)s',
{'topic': self.topic,
'method': method,
'fdb_entries': fdb_entries})
cctxt = self.client.prepare(topic=self.topic_l2pop_update, fanout=True)
cctxt.cast(context, method, fdb_entries=fdb_entries)
def _notification_host(self, context, method, fdb_entries, host):
LOG.debug('Notify l2population agent %(host)s at %(topic)s the '
'message %(method)s with %(fdb_entries)s',
{'host': host,
'topic': self.topic,
'method': method,
'fdb_entries': fdb_entries})
cctxt = self.client.prepare(topic=self.topic_l2pop_update, server=host)
cctxt.cast(context, method, fdb_entries=fdb_entries)
def add_fdb_entries(self, context, fdb_entries, host=None):
if fdb_entries:
if host:
self._notification_host(context, 'add_fdb_entries',
fdb_entries, host)
else:
self._notification_fanout(context, 'add_fdb_entries',
fdb_entries)
def remove_fdb_entries(self, context, fdb_entries, host=None):
if fdb_entries:
if host:
self._notification_host(context, 'remove_fdb_entries',
fdb_entries, host)
else:
self._notification_fanout(context, 'remove_fdb_entries',
fdb_entries)
def update_fdb_entries(self, context, fdb_entries, host=None):
if fdb_entries:
if host:
self._notification_host(context, 'update_fdb_entries',
fdb_entries, host)
else:
self._notification_fanout(context, 'update_fdb_entries',
fdb_entries)