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# Copyright (c) 2017 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.
from __future__ import absolute_import
import logging
from yardstick.network_services.utils import get_nsb_option
from yardstick.network_services.vnf_generic.vnf.prox_vnf import ProxApproxVnf
from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFTrafficGen
LOG = logging.getLogger(__name__)
class ProxTrafficGen(SampleVNFTrafficGen):
APP_NAME = 'ProxTG'
PROX_MODE = "Traffic Gen"
LUA_PARAMETER_NAME = "gen"
WAIT_TIME = 1
@staticmethod
def _sort_vpci(vnfd):
"""
:param vnfd: vnfd.yaml
:return: trex_cfg.yaml file
"""
def key_func(interface):
return interface["virtual-interface"]["vpci"], interface["name"]
ext_intf = vnfd["vdu"][0]["external-interface"]
return sorted(ext_intf, key=key_func)
def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None):
# don't call superclass, use custom wrapper of ProxApproxVnf
self._vnf_wrapper = ProxApproxVnf(name, vnfd, setup_env_helper_type, resource_helper_type)
self.bin_path = get_nsb_option('bin_path', '')
self.name = self._vnf_wrapper.name
self.ssh_helper = self._vnf_wrapper.ssh_helper
self.setup_helper = self._vnf_wrapper.setup_helper
self.resource_helper = self._vnf_wrapper.resource_helper
self.scenario_helper = self._vnf_wrapper.scenario_helper
self.runs_traffic = True
self.traffic_finished = False
self._tg_process = None
self._traffic_process = None
# used for generating stats
self.vpci_if_name_ascending = self._sort_vpci(vnfd)
self.resource_helper.vpci_if_name_ascending = self._sort_vpci(vnfd)
def terminate(self):
self._vnf_wrapper.terminate()
super(ProxTrafficGen, self).terminate()
def instantiate(self, scenario_cfg, context_cfg):
self._vnf_wrapper.instantiate(scenario_cfg, context_cfg)
self._tg_process = self._vnf_wrapper._vnf_process
def wait_for_instantiate(self):
self._vnf_wrapper.wait_for_instantiate()
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