1 # Copyright 2015-2016 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 """Functions for creating controller objects based on deployment or traffic
18 from core.traffic_controller_rfc2544 import TrafficControllerRFC2544
19 from core.vswitch_controller_p2p import VswitchControllerP2P
20 from core.vswitch_controller_pvp import VswitchControllerPVP
21 from core.vswitch_controller_pvvp import VswitchControllerPVVP
22 from core.vswitch_controller_op2p import VswitchControllerOP2P
23 from core.vnf_controller import VnfController
24 from core.pktfwd_controller import PktFwdController
25 from tools.load_gen.stress.stress import Stress
26 from tools.load_gen.stress_ng.stress_ng import StressNg
27 from tools.load_gen.dummy.dummy import DummyLoadGen
31 """Finds and loads all the modules required.
33 Very similar code to load_trafficgens().
37 def create_traffic(traffic_type, trafficgen_class):
38 """Return a new IVSwitchController for the traffic type.
40 The returned traffic controller has the given traffic type and traffic
43 traffic_types: 'rfc2544_throughput'
45 :param traffic_type: Name of traffic type
46 :param trafficgen_class: Reference to traffic generator class to be used.
47 :return: A new ITrafficController
49 return TrafficControllerRFC2544(trafficgen_class)
52 def create_vswitch(deployment_scenario, vswitch_class, traffic,
53 tunnel_operation=None):
54 """Return a new IVSwitchController for the deployment_scenario.
56 The returned controller is configured with the given vSwitch class.
58 Deployment scenarios: 'p2p', 'pvp'
60 :param deployment_scenario: The deployment scenario name
61 :param vswitch_class: Reference to vSwitch class to be used.
62 :param traffic: Dictionary with traffic specific details
63 :param tunnel_operation encapsulation/decapsulation or None
64 :return: IVSwitchController for the deployment_scenario
66 deployment_scenario = deployment_scenario.lower()
67 if deployment_scenario.find("p2p") == 0:
68 return VswitchControllerP2P(vswitch_class, traffic)
69 elif deployment_scenario.find("pvp") >= 0:
70 return VswitchControllerPVP(vswitch_class, traffic)
71 elif deployment_scenario.find("pvvp") >= 0:
72 return VswitchControllerPVVP(vswitch_class, traffic)
73 elif deployment_scenario.find("op2p") >= 0:
74 return VswitchControllerOP2P(vswitch_class, traffic, tunnel_operation)
77 def create_vnf(deployment_scenario, vnf_class):
78 """Return a new VnfController for the deployment_scenario.
80 The returned controller is configured with the given VNF class.
82 Deployment scenarios: 'p2p', 'pvp'
84 :param deployment_scenario: The deployment scenario name
85 :param vswitch_class: Reference to vSwitch class to be used.
86 :return: VnfController for the deployment_scenario
88 return VnfController(deployment_scenario, vnf_class)
90 def create_collector(collector_class, result_dir, test_name):
91 """Return a new Collector of the given class
93 :param collector_class: The collector class to be used.
94 :param result_dir: Directory with test results
95 :param test_name: Test to be run
96 :return: A new CollectorController.
98 return collector_class(result_dir, test_name)
100 def create_loadgen(loadgen_type, loadgen_cfg):
101 """Return a new ILoadGenerator for the loadgen type.
103 The returned load generator has the given loadgen type and loadgen
106 :param loadgen_type: Name of loadgen type
107 :param loadgen_class: Reference to load generator class to be used.
108 :return: A new ILoadGenerator class
110 loadgen_type = loadgen_type.lower()
111 if loadgen_type.find("dummy") >= 0:
112 return DummyLoadGen(loadgen_cfg)
113 elif loadgen_type.find("stress-ng") >= 0:
114 return StressNg(loadgen_cfg)
115 elif loadgen_type.find("stress") >= 0:
116 return Stress(loadgen_cfg)
118 def create_pktfwd(pktfwd_class):
119 """Return a new packet forwarder controller
121 The returned controller is configured with the given
122 packet forwarder class.
124 :param pktfwd_class: Reference to packet forwarder class to be used.
125 :return: packet forwarder controller
127 return PktFwdController(pktfwd_class)