88 lines
3.4 KiB
Python
88 lines
3.4 KiB
Python
# Copyright (c) 2013 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import collections
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from neutron_lib.agent import topics
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from oslo_log import log as logging
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import oslo_messaging
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from neutron.common import rpc as n_rpc
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LOG = logging.getLogger(__name__)
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PortInfo = collections.namedtuple("PortInfo", "mac_address ip_address")
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class L2populationAgentNotifyAPI(object):
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def __init__(self, topic=topics.AGENT):
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self.topic = topic
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self.topic_l2pop_update = topics.get_topic_name(topic,
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topics.L2POPULATION,
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topics.UPDATE)
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target = oslo_messaging.Target(topic=topic, version='1.0')
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self.client = n_rpc.get_client(target)
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def _notification_fanout(self, context, method, fdb_entries):
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LOG.debug('Fanout notify l2population agents at %(topic)s '
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'the message %(method)s with %(fdb_entries)s',
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{'topic': self.topic,
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'method': method,
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'fdb_entries': fdb_entries})
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cctxt = self.client.prepare(topic=self.topic_l2pop_update, fanout=True)
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cctxt.cast(context, method, fdb_entries=fdb_entries)
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def _notification_host(self, context, method, fdb_entries, host):
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LOG.debug('Notify l2population agent %(host)s at %(topic)s the '
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'message %(method)s with %(fdb_entries)s',
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{'host': host,
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'topic': self.topic,
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'method': method,
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'fdb_entries': fdb_entries})
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cctxt = self.client.prepare(topic=self.topic_l2pop_update, server=host)
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cctxt.cast(context, method, fdb_entries=fdb_entries)
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def add_fdb_entries(self, context, fdb_entries, host=None):
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if fdb_entries:
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if host:
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self._notification_host(context, 'add_fdb_entries',
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fdb_entries, host)
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else:
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self._notification_fanout(context, 'add_fdb_entries',
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fdb_entries)
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def remove_fdb_entries(self, context, fdb_entries, host=None):
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if fdb_entries:
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if host:
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self._notification_host(context, 'remove_fdb_entries',
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fdb_entries, host)
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else:
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self._notification_fanout(context, 'remove_fdb_entries',
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fdb_entries)
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def update_fdb_entries(self, context, fdb_entries, host=None):
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if fdb_entries:
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if host:
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self._notification_host(context, 'update_fdb_entries',
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fdb_entries, host)
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else:
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self._notification_fanout(context, 'update_fdb_entries',
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fdb_entries)
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