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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2011 Midokura KK
# 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.
"""VIF module common to all virt layers."""
class VIFDriver(object):
"""Abstract class that defines generic interfaces for all VIF drivers."""
def __init__(self, **kwargs):
# NOTE(jkoelker) __init__ is here so subclasses *could* take
# advantage of any kwargs should they need to
pass
def plug(self, instance, vif, **kwargs):
"""Plug VIF into network."""
raise NotImplementedError()
def unplug(self, instance, vif, **kwargs):
"""Unplug VIF from network."""
raise NotImplementedError()
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