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# Copyright 2015 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.vswitch_controller_p2p import VswitchControllerP2P
from core.vswitch_controller_pvp import VswitchControllerPVP
from core.vnf_controller_p2p import VnfControllerP2P
from core.vnf_controller_pvp import VnfControllerPVP
from core.collector_controller import CollectorController
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
"""
return TrafficControllerRFC2544(trafficgen_class)
def create_vswitch(deployment_scenario, vswitch_class, bidir=True):
"""Return a new IVSwitchController for the deployment_scenario.
The returned controller is configured with the given vSwitch class.
Deployment scenarios: 'p2p', 'pvp'
:param deployment_scenario: The deployment scenario name
:param vswitch_class: Reference to vSwitch class to be used.
:return: IVSwitchController for the deployment_scenario
"""
#TODO - full mapping from all deployment_scenarios to
#correct controller class
deployment_scenario = deployment_scenario.lower()
if deployment_scenario.find("p2p") >= 0:
return VswitchControllerP2P(vswitch_class)
elif deployment_scenario.find("pvp") >= 0:
return VswitchControllerPVP(vswitch_class, bidir)
def create_vnf(deployment_scenario, vnf_class):
"""Return a new IVnfController 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: IVnfController for the deployment_scenario
"""
#TODO - full mapping from all deployment_scenarios to
#correct controller class
deployment_scenario = deployment_scenario.lower()
if deployment_scenario.find("p2p") >= 0:
return VnfControllerP2P(None)
elif deployment_scenario.find("pvp") >= 0:
return VnfControllerPVP(vnf_class)
def create_collector(collector, collector_class):
"""Return a new CollectorController of the given class
Supported collector type strings:
'cpu'
'memory':
:param collector: Collector type string
:param collector_class: The collector class to be used.
:return: A new CollectorController.
"""
collector = collector.lower()
if "cpu" in collector or "memory" in collector:
return CollectorController(collector_class)
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