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# Copyright (c) 2016-2017 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
import json
from yardstick.network_services.traffic_profile.traffic_profile import \
TrexProfile
LOG = logging.getLogger(__name__)
class IXIARFC2544Profile(TrexProfile):
def _get_ixia_traffic_profile(self, profile_data, mac={},
xfile=None, static_traffic={}):
result = {}
if xfile:
with open(xfile, 'r') as stream:
try:
static_traffic = json.load(stream)
except Exception as exc:
LOG.debug(exc)
for traffickey, trafficvalue in static_traffic.items():
traffic = static_traffic[traffickey]
# outer_l2
index = 0
for key, value in profile_data[traffickey].items():
framesize = value['outer_l2']['framesize']
traffic['outer_l2']['framesize'] = framesize
traffic['framesPerSecond'] = True
traffic['bidir'] = False
traffic['outer_l2']['srcmac'] = \
mac["src_mac_{}".format(traffic['id'])]
traffic['outer_l2']['dstmac'] = \
mac["dst_mac_{}".format(traffic['id'])]
# outer_l3
if "outer_l3v6" in list(value.keys()):
traffic['outer_l3'] = value['outer_l3v6']
srcip4 = value['outer_l3v6']['srcip6']
traffic['outer_l3']['srcip4'] = srcip4.split("-")[0]
dstip4 = value['outer_l3v6']['dstip6']
traffic['outer_l3']['dstip4'] = dstip4.split("-")[0]
else:
traffic['outer_l3'] = value['outer_l3v4']
srcip4 = value['outer_l3v4']['srcip4']
traffic['outer_l3']['srcip4'] = srcip4.split("-")[0]
dstip4 = value['outer_l3v4']['dstip4']
traffic['outer_l3']['dstip4'] = dstip4.split("-")[0]
traffic['outer_l3']['type'] = key
# outer_l4
traffic['outer_l4'] = value['outer_l4']
index = index + 1
result.update({traffickey: traffic})
return result
def _ixia_traffic_generate(self, traffic_generator, traffic, ixia_obj):
for key, value in traffic.items():
if "public" in key or "private" in key:
traffic[key]["iload"] = str(self.rate)
ixia_obj.ix_update_frame(traffic)
ixia_obj.ix_update_ether(traffic)
# ixia_obj.ix_update_ipv4(traffic)
ixia_obj.ix_start_traffic()
self.tmp_drop = 0
self.tmp_throughput = 0
def execute(self, traffic_generator, ixia_obj, mac={}, xfile=None):
if self.first_run:
self.full_profile = {}
self.pg_id = 0
self.profile = 'private_1'
for key, value in self.params.items():
if "private" in key or "public" in key:
self.profile_data = self.params[key]
self.get_streams(self.profile_data)
self.full_profile.update({key: self.profile_data})
traffic = \
self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
self.max_rate = self.rate
self.min_rate = 0
self.get_multiplier()
self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
def get_multiplier(self):
self.rate = round((self.max_rate + self.min_rate) / 2.0, 2)
multiplier = round(self.rate / self.pps, 2)
return str(multiplier)
def start_ixia_latency(self, traffic_generator, ixia_obj,
mac={}, xfile=None):
traffic = self._get_ixia_traffic_profile(self.full_profile, mac)
self._ixia_traffic_generate(traffic_generator, traffic,
ixia_obj, xfile)
def get_drop_percentage(self, traffic_generator, samples, tol_min,
tolerance, ixia_obj, mac={}, xfile=None):
status = 'Running'
drop_percent = 100
in_packets = sum([samples[iface]['in_packets'] for iface in samples])
out_packets = sum([samples[iface]['out_packets'] for iface in samples])
rx_throughput = \
sum([samples[iface]['RxThroughput'] for iface in samples])
tx_throughput = \
sum([samples[iface]['TxThroughput'] for iface in samples])
packet_drop = abs(out_packets - in_packets)
try:
drop_percent = round((packet_drop / float(out_packets)) * 100, 2)
except ZeroDivisionError:
LOG.info('No traffic is flowing')
samples['TxThroughput'] = round(tx_throughput / 1.0, 2)
samples['RxThroughput'] = round(rx_throughput / 1.0, 2)
samples['CurrentDropPercentage'] = drop_percent
samples['Throughput'] = self.tmp_throughput
samples['DropPercentage'] = self.tmp_drop
if drop_percent > tolerance and self.tmp_throughput == 0:
samples['Throughput'] = round(rx_throughput / 1.0, 2)
samples['DropPercentage'] = drop_percent
if self.first_run:
max_supported_rate = out_packets / 30.0
self.rate = max_supported_rate
self.first_run = False
if drop_percent <= tolerance:
status = 'Completed'
if drop_percent > tolerance:
self.max_rate = self.rate
elif drop_percent < tol_min:
self.min_rate = self.rate
if drop_percent >= self.tmp_drop:
self.tmp_drop = drop_percent
self.tmp_throughput = round((rx_throughput / 1.0), 2)
samples['Throughput'] = round(rx_throughput / 1.0, 2)
samples['DropPercentage'] = drop_percent
else:
samples['Throughput'] = round(rx_throughput / 1.0, 2)
samples['DropPercentage'] = drop_percent
return status, samples
self.get_multiplier()
traffic = self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
return status, samples
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