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# 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 abc
from neutron_lib import constants
class LinuxInterfaceDriver(metaclass=abc.ABCMeta):
DEV_NAME_LEN = constants.LINUX_DEV_LEN
DEV_NAME_PREFIX = constants.TAP_DEVICE_PREFIX
@abc.abstractmethod
def plug_new(self, network_id, port_id, device_name, mac_address,
bridge=None, namespace=None, prefix=None, mtu=None,
link_up=True):
"""Plug in the interface only for new devices that don't exist yet."""
@abc.abstractmethod
def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
"""Unplug the interface."""
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