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_clean import VswitchControllerClean
20 from core.vswitch_controller_p2p import VswitchControllerP2P
21 from core.vswitch_controller_pvp import VswitchControllerPVP
22 from core.vswitch_controller_pvvp import VswitchControllerPVVP
23 from core.vswitch_controller_op2p import VswitchControllerOP2P
24 from core.vswitch_controller_ptunp import VswitchControllerPtunP
25 from core.vnf_controller import VnfController
26 from core.pktfwd_controller import PktFwdController
27 from tools.load_gen.stress.stress import Stress
28 from tools.load_gen.stress_ng.stress_ng import StressNg
29 from tools.load_gen.dummy.dummy import DummyLoadGen
33 """Finds and loads all the modules required.
35 Very similar code to load_trafficgens().
39 def create_traffic(traffic_type, trafficgen_class):
40 """Return a new IVSwitchController for the traffic type.
42 The returned traffic controller has the given traffic type and traffic
45 traffic_types: 'rfc2544_throughput'
47 :param traffic_type: Name of traffic type
48 :param trafficgen_class: Reference to traffic generator class to be used.
49 :return: A new ITrafficController
51 return TrafficControllerRFC2544(trafficgen_class)
54 def create_vswitch(deployment_scenario, vswitch_class, traffic,
55 tunnel_operation=None):
56 """Return a new IVSwitchController for the deployment_scenario.
58 The returned controller is configured with the given vSwitch class.
60 Deployment scenarios: 'p2p', 'pvp'
62 :param deployment_scenario: The deployment scenario name
63 :param vswitch_class: Reference to vSwitch class to be used.
64 :param traffic: Dictionary with traffic specific details
65 :param tunnel_operation encapsulation/decapsulation or None
66 :return: IVSwitchController for the deployment_scenario
68 deployment_scenario = deployment_scenario.lower()
69 if deployment_scenario.find("p2p") == 0:
70 return VswitchControllerP2P(vswitch_class, traffic)
71 elif deployment_scenario.find("pvp") >= 0:
72 return VswitchControllerPVP(vswitch_class, traffic)
73 elif deployment_scenario.find("pvvp") >= 0:
74 return VswitchControllerPVVP(vswitch_class, traffic)
75 elif deployment_scenario.find("op2p") >= 0:
76 return VswitchControllerOP2P(vswitch_class, traffic, tunnel_operation)
77 elif deployment_scenario.find("ptunp") >= 0:
78 return VswitchControllerPtunP(vswitch_class, traffic)
79 elif deployment_scenario.find("clean") >= 0:
80 return VswitchControllerClean(vswitch_class, traffic)
83 def create_vnf(deployment_scenario, vnf_class):
84 """Return a new VnfController for the deployment_scenario.
86 The returned controller is configured with the given VNF class.
88 Deployment scenarios: 'p2p', 'pvp'
90 :param deployment_scenario: The deployment scenario name
91 :param vswitch_class: Reference to vSwitch class to be used.
92 :return: VnfController for the deployment_scenario
94 return VnfController(deployment_scenario, vnf_class)
96 def create_collector(collector_class, result_dir, test_name):
97 """Return a new Collector of the given class
99 :param collector_class: The collector class to be used.
100 :param result_dir: Directory with test results
101 :param test_name: Test to be run
102 :return: A new CollectorController.
104 return collector_class(result_dir, test_name)
106 def create_loadgen(loadgen_type, loadgen_cfg):
107 """Return a new ILoadGenerator for the loadgen type.
109 The returned load generator has the given loadgen type and loadgen
112 :param loadgen_type: Name of loadgen type
113 :param loadgen_class: Reference to load generator class to be used.
114 :return: A new ILoadGenerator class
116 loadgen_type = loadgen_type.lower()
117 if loadgen_type.find("dummy") >= 0:
118 return DummyLoadGen(loadgen_cfg)
119 elif loadgen_type.find("stress-ng") >= 0:
120 return StressNg(loadgen_cfg)
121 elif loadgen_type.find("stress") >= 0:
122 return Stress(loadgen_cfg)
124 def create_pktfwd(deployment, pktfwd_class):
125 """Return a new packet forwarder controller
127 The returned controller is configured with the given
128 packet forwarder class.
130 :param pktfwd_class: Reference to packet forwarder class to be used.
131 :param deployment: The deployment scenario name
132 :return: packet forwarder controller
134 return PktFwdController(deployment, pktfwd_class)