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.traffic_controller_rfc2889 import TrafficControllerRFC2889
20 from core.vswitch_controller_clean import VswitchControllerClean
21 from core.vswitch_controller_p2p import VswitchControllerP2P
22 from core.vswitch_controller_pxp import VswitchControllerPXP
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 if traffic_type.lower().startswith('rfc2889'):
52 return TrafficControllerRFC2889(trafficgen_class)
54 return TrafficControllerRFC2544(trafficgen_class)
57 def create_vswitch(deployment_scenario, vswitch_class, traffic,
58 tunnel_operation=None):
59 """Return a new IVSwitchController for the deployment_scenario.
61 The returned controller is configured with the given vSwitch class.
63 Deployment scenarios: e.g. 'p2p', 'pvp', 'pvpv12', etc.
65 :param deployment_scenario: The deployment scenario name
66 :param vswitch_class: Reference to vSwitch class to be used.
67 :param traffic: Dictionary with traffic specific details
68 :param tunnel_operation encapsulation/decapsulation or None
69 :return: IVSwitchController for the deployment_scenario
71 deployment_scenario = deployment_scenario.lower()
72 if deployment_scenario.startswith("p2p"):
73 return VswitchControllerP2P(vswitch_class, traffic)
74 elif deployment_scenario.startswith("pvp"):
75 return VswitchControllerPXP(deployment_scenario, vswitch_class, traffic)
76 elif deployment_scenario.startswith("pvvp"):
77 return VswitchControllerPXP(deployment_scenario, vswitch_class, traffic)
78 elif deployment_scenario.startswith("pvpv"):
79 return VswitchControllerPXP(deployment_scenario, vswitch_class, traffic)
80 elif deployment_scenario.startswith("op2p"):
81 return VswitchControllerOP2P(vswitch_class, traffic, tunnel_operation)
82 elif deployment_scenario.startswith("ptunp"):
83 return VswitchControllerPtunP(vswitch_class, traffic)
84 elif deployment_scenario.startswith("clean"):
85 return VswitchControllerClean(vswitch_class, traffic)
87 raise RuntimeError("Unknown deployment scenario '{}'.".format(deployment_scenario))
90 def create_vnf(deployment_scenario, vnf_class):
91 """Return a new VnfController for the deployment_scenario.
93 The returned controller is configured with the given VNF class.
95 Deployment scenarios: 'p2p', 'pvp'
97 :param deployment_scenario: The deployment scenario name
98 :param vswitch_class: Reference to vSwitch class to be used.
99 :return: VnfController for the deployment_scenario
101 return VnfController(deployment_scenario, vnf_class)
103 def create_collector(collector_class, result_dir, test_name):
104 """Return a new Collector of the given class
106 :param collector_class: The collector class to be used.
107 :param result_dir: Directory with test results
108 :param test_name: Test to be run
109 :return: A new CollectorController.
111 return collector_class(result_dir, test_name)
113 def create_loadgen(loadgen_type, loadgen_cfg):
114 """Return a new ILoadGenerator for the loadgen type.
116 The returned load generator has the given loadgen type and loadgen
119 :param loadgen_type: Name of loadgen type
120 :param loadgen_class: Reference to load generator class to be used.
121 :return: A new ILoadGenerator class
123 loadgen_type = loadgen_type.lower()
124 if loadgen_type.find("dummy") >= 0:
125 return DummyLoadGen(loadgen_cfg)
126 elif loadgen_type.find("stress-ng") >= 0:
127 return StressNg(loadgen_cfg)
128 elif loadgen_type.find("stress") >= 0:
129 return Stress(loadgen_cfg)
131 def create_pktfwd(deployment, pktfwd_class):
132 """Return a new packet forwarder controller
134 The returned controller is configured with the given
135 packet forwarder class.
137 :param pktfwd_class: Reference to packet forwarder class to be used.
138 :param deployment: The deployment scenario name
139 :return: packet forwarder controller
141 return PktFwdController(deployment, pktfwd_class)