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# Copyright 2015-2016 Intel Corporation.
#
# 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.
"""Functions for creating controller objects based on deployment or traffic
"""
from core.traffic_controller_rfc2544 import TrafficControllerRFC2544
from core.traffic_controller_rfc2889 import TrafficControllerRFC2889
from core.vswitch_controller_clean import VswitchControllerClean
from core.vswitch_controller_p2p import VswitchControllerP2P
from core.vswitch_controller_pxp import VswitchControllerPXP
from core.vswitch_controller_op2p import VswitchControllerOP2P
from core.vswitch_controller_ptunp import VswitchControllerPtunP
from core.vnf_controller import VnfController
from core.pktfwd_controller import PktFwdController
from tools.load_gen.stress.stress import Stress
from tools.load_gen.stress_ng.stress_ng import StressNg
from tools.load_gen.dummy.dummy import DummyLoadGen
def __init__():
"""Finds and loads all the modules required.
Very similar code to load_trafficgens().
"""
pass
def create_traffic(traffic_type, trafficgen_class):
"""Return a new IVSwitchController for the traffic type.
The returned traffic controller has the given traffic type and traffic
generator class.
traffic_types: 'rfc2544_throughput'
:param traffic_type: Name of traffic type
:param trafficgen_class: Reference to traffic generator class to be used.
:return: A new ITrafficController
"""
if traffic_type.lower().startswith('rfc2889'):
return TrafficControllerRFC2889(trafficgen_class)
else:
return TrafficControllerRFC2544(trafficgen_class)
def create_vswitch(deployment_scenario, vswitch_class, traffic,
tunnel_operation=None):
"""Return a new IVSwitchController for the deployment_scenario.
The returned controller is configured with the given vSwitch class.
Deployment scenarios: e.g. 'p2p', 'pvp', 'pvpv12', etc.
:param deployment_scenario: The deployment scenario name
:param vswitch_class: Reference to vSwitch class to be used.
:param traffic: Dictionary with traffic specific details
:param tunnel_operation encapsulation/decapsulation or None
:return: IVSwitchController for the deployment_scenario
"""
deployment_scenario = deployment_scenario.lower()
if deployment_scenario.startswith("p2p"):
return VswitchControllerP2P(vswitch_class, traffic)
elif deployment_scenario.startswith("pvp"):
return VswitchControllerPXP(deployment_scenario, vswitch_class, traffic)
elif deployment_scenario.startswith("pvvp"):
return VswitchControllerPXP(deployment_scenario, vswitch_class, traffic)
elif deployment_scenario.startswith("pvpv"):
return VswitchControllerPXP(deployment_scenario, vswitch_class, traffic)
elif deployment_scenario.startswith("op2p"):
return VswitchControllerOP2P(vswitch_class, traffic, tunnel_operation)
elif deployment_scenario.startswith("ptunp"):
return VswitchControllerPtunP(vswitch_class, traffic)
elif deployment_scenario.startswith("clean"):
return VswitchControllerClean(vswitch_class, traffic)
else:
raise RuntimeError("Unknown deployment scenario '{}'.".format(deployment_scenario))
def create_vnf(deployment_scenario, vnf_class):
"""Return a new VnfController for the deployment_scenario.
The returned controller is configured with the given VNF class.
Deployment scenarios: 'p2p', 'pvp'
:param deployment_scenario: The deployment scenario name
:param vswitch_class: Reference to vSwitch class to be used.
:return: VnfController for the deployment_scenario
"""
return VnfController(deployment_scenario, vnf_class)
def create_collector(collector_class, result_dir, test_name):
"""Return a new Collector of the given class
:param collector_class: The collector class to be used.
:param result_dir: Directory with test results
:param test_name: Test to be run
:return: A new CollectorController.
"""
return collector_class(result_dir, test_name)
def create_loadgen(loadgen_type, loadgen_cfg):
"""Return a new ILoadGenerator for the loadgen type.
The returned load generator has the given loadgen type and loadgen
generator class.
:param loadgen_type: Name of loadgen type
:param loadgen_class: Reference to load generator class to be used.
:return: A new ILoadGenerator class
"""
loadgen_type = loadgen_type.lower()
if loadgen_type.find("dummy") >= 0:
return DummyLoadGen(loadgen_cfg)
elif loadgen_type.find("stress-ng") >= 0:
return StressNg(loadgen_cfg)
elif loadgen_type.find("stress") >= 0:
return Stress(loadgen_cfg)
def create_pktfwd(deployment, pktfwd_class):
"""Return a new packet forwarder controller
The returned controller is configured with the given
packet forwarder class.
:param pktfwd_class: Reference to packet forwarder class to be used.
:param deployment: The deployment scenario name
:return: packet forwarder controller
"""
return PktFwdController(deployment, pktfwd_class)
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