OpenStack Networking (Neutron)
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neutron/neutron/plugins/ml2/drivers/agent/capabilities.py

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# Copyright 2016 Hewlett Packard Enterprise Development LP
#
# 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.
from neutron.callbacks import events
from neutron.callbacks import registry
def notify_init_event(agent_type, agent):
"""Notify init event for the specified agent."""
registry.notify(agent_type, events.AFTER_INIT, agent, agent=agent)
def register(callback, agent_type):
"""Subscribe callback to init event for the specified agent.
:param agent_type: an agent type as defined in neutron_lib.constants.
:param callback: a callback that can process the agent init event.
"""
registry.subscribe(callback, agent_type, events.AFTER_INIT)