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# Copyright 2015-2018 Intel Corporation., Tieto
#
# 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.
"""VSwitch controller for Physical to Physical deployment
"""
from core.vswitch_controller import IVswitchController
from conf import settings
class VswitchControllerP2P(IVswitchController):
"""VSwitch controller for P2P deployment scenario.
Attributes:
_vswitch_class: The vSwitch class to be used.
_vswitch: The vSwitch object controlled by this controller
_deployment_scenario: A string describing the scenario to set-up in the
constructor.
"""
def __init__(self, deployment, vswitch_class, traffic):
"""See IVswitchController for general description
"""
super().__init__(deployment, vswitch_class, traffic)
self._bridge = settings.getValue('VSWITCH_BRIDGE_NAME')
def setup(self):
"""Sets up the switch for p2p.
"""
self._logger.debug('Setup using %s', str(self._vswitch_class))
try:
self._vswitch.start()
self._vswitch.add_switch(self._bridge)
(port1, _) = self._vswitch.add_phy_port(self._bridge)
(port2, _) = self._vswitch.add_phy_port(self._bridge)
self._vswitch.add_connection(self._bridge, port1, port2, self._traffic)
self._vswitch.add_connection(self._bridge, port2, port1, self._traffic)
except:
self._vswitch.stop()
raise
def stop(self):
"""Tears down the switch created in setup().
"""
self._logger.debug('Stop using %s', str(self._vswitch_class))
self._vswitch.stop()
def get_ports_info(self):
"""See IVswitchController for description
"""
self._logger.debug('get_ports_info using %s', str(self._vswitch_class))
return self._vswitch.get_ports(self._bridge)
def dump_vswitch_connections(self):
"""See IVswitchController for description
"""
self._vswitch.dump_connections(self._bridge)
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