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# Copyright (c) 2018 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 yardstick.common import exceptions
from yardstick.common import utils
from yardstick.network_services.traffic_profile import base as tp_base
class PktgenTrafficProfile(tp_base.TrafficProfile):
"""This class handles Pktgen Trex Traffic profile execution"""
def __init__(self, tp_config): # pragma: no cover
super(PktgenTrafficProfile, self).__init__(tp_config)
self._host = None
self._port = None
def init(self, host, port): # pragma: no cover
"""Initialize control parameters
:param host: (str) ip or host name
:param port: (int) TCP socket port number for Lua commands
"""
self._host = host
self._port = port
def start(self):
if utils.send_socket_command(self._host, self._port,
'pktgen.start("0")') != 0:
raise exceptions.PktgenActionError(action='start')
def stop(self):
if utils.send_socket_command(self._host, self._port,
'pktgen.stop("0")') != 0:
raise exceptions.PktgenActionError(action='stop')
def rate(self, rate):
command = 'pktgen.set("0", "rate", ' + str(rate) + ')'
if utils.send_socket_command(self._host, self._port, command) != 0:
raise exceptions.PktgenActionError(action='rate')
def clear_all_stats(self):
if utils.send_socket_command(self._host, self._port, 'clr') != 0:
raise exceptions.PktgenActionError(action='clear all stats')
def help(self):
if utils.send_socket_command(self._host, self._port, 'help') != 0:
raise exceptions.PktgenActionError(action='help')
def execute_traffic(self, *args, **kwargs): # pragma: no cover
pass
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