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# Copyright 2016 Red Hat, Inc.
# 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
# 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 functools
from neutron.tests.common.exclusive_resources import resource_allocator
from neutron.tests.common import net_helpers
class ExclusivePort(resource_allocator.ExclusiveResource):
"""Allocate a unique port for a specific protocol.
:ivar port: allocated port
:type port: int
def __init__(self, protocol, start=1024, end=None):
super(ExclusivePort, self).__init__(
functools.partial(net_helpers.get_free_namespace_port, protocol,
start=start, end=end))
def _setUp(self):
super(ExclusivePort, self)._setUp()
self.port = self.resource