1 # Copyright 2015 Intel Corporation.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 """VSwitch controller for Physical to VM to Physical deployment
20 from core.vswitch_controller import IVswitchController
21 from vswitches.utils import add_ports_to_flow
22 from conf import settings
28 class VswitchControllerPVP(IVswitchController):
29 """VSwitch controller for PVP deployment scenario.
32 _vswitch_class: The vSwitch class to be used.
33 _vswitch: The vSwitch object controlled by this controller
34 _deployment_scenario: A string describing the scenario to set-up in the
37 def __init__(self, vswitch_class, traffic):
38 """Initializes up the prerequisites for the PVP deployment scenario.
40 :vswitch_class: the vSwitch class to be used.
42 self._logger = logging.getLogger(__name__)
43 self._vswitch_class = vswitch_class
44 self._vswitch = vswitch_class()
45 self._deployment_scenario = "PVP"
46 self._traffic = traffic.copy()
47 self._logger.debug('Creation using ' + str(self._vswitch_class))
50 """ Sets up the switch for pvp
52 self._logger.debug('Setup using ' + str(self._vswitch_class))
57 bridge = settings.getValue('VSWITCH_BRIDGE_NAME')
58 self._vswitch.add_switch(bridge)
60 (_, phy1_number) = self._vswitch.add_phy_port(bridge)
61 (_, phy2_number) = self._vswitch.add_phy_port(bridge)
62 (_, vport1_number) = self._vswitch.add_vport(bridge)
63 (_, vport2_number) = self._vswitch.add_vport(bridge)
65 self._vswitch.del_flow(bridge)
67 # configure flows according to the TC definition
68 flow_template = _FLOW_TEMPLATE.copy()
69 if self._traffic['flow_type'] == 'IP':
70 flow_template.update({'dl_type':'0x0800', 'nw_src':self._traffic['l3']['srcip'],
71 'nw_dst':self._traffic['l3']['dstip']})
73 flow1 = add_ports_to_flow(flow_template, phy1_number,
75 flow2 = add_ports_to_flow(flow_template, vport2_number,
77 self._vswitch.add_flow(bridge, flow1)
78 self._vswitch.add_flow(bridge, flow2)
80 if self._traffic['bidir']:
81 flow3 = add_ports_to_flow(flow_template, phy2_number,
83 flow4 = add_ports_to_flow(flow_template, vport1_number,
85 self._vswitch.add_flow(bridge, flow3)
86 self._vswitch.add_flow(bridge, flow4)
93 """Tears down the switch created in setup().
95 self._logger.debug('Stop using ' + str(self._vswitch_class))
101 def __exit__(self, type_, value, traceback):
104 def get_vswitch(self):
105 """See IVswitchController for description
109 def get_ports_info(self):
110 """See IVswitchController for description
112 self._logger.debug('get_ports_info using ' + str(self._vswitch_class))
113 return self._vswitch.get_ports(settings.getValue('VSWITCH_BRIDGE_NAME'))
115 def dump_vswitch_flows(self):
116 """See IVswitchController for description
118 self._vswitch.dump_flows(settings.getValue('VSWITCH_BRIDGE_NAME'))