1 # Copyright (c) 2016-2017 Intel Corporation
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 from yardstick.common import utils
19 from yardstick.network_services.traffic_profile import base as tp_base
20 from yardstick.network_services.traffic_profile import trex_traffic_profile
23 LOG = logging.getLogger(__name__)
26 class IXIARFC2544Profile(trex_traffic_profile.TrexProfile):
30 DROP_PERCENT_ROUND = 6
32 STATUS_SUCCESS = "Success"
33 STATUS_FAIL = "Failure"
35 def __init__(self, yaml_data):
36 super(IXIARFC2544Profile, self).__init__(yaml_data)
37 self.rate = self.config.frame_rate
38 self.rate_unit = self.config.rate_unit
39 self.full_profile = {}
41 def _get_ip_and_mask(self, ip_range):
42 _ip_range = ip_range.split('-')
43 if len(_ip_range) == 1:
44 return _ip_range[0], None
46 mask = utils.get_mask_from_ip_range(_ip_range[0], _ip_range[1])
47 return _ip_range[0], mask
49 def _get_fixed_and_mask(self, port_range):
50 _port_range = str(port_range).split('-')
51 if len(_port_range) == 1:
52 return int(_port_range[0]), 0
54 return int(_port_range[0]), int(_port_range[1])
56 def _get_ixia_traffic_profile(self, profile_data, mac=None):
57 mac = {} if mac is None else mac
59 for traffickey, values in profile_data.items():
60 if not traffickey.startswith((self.UPLINK, self.DOWNLINK)):
63 # values should be single-item dict, so just grab the first item
65 key, value = next(iter(values.items()))
67 result[traffickey] = {}
70 port_id = value.get('id', 1)
71 port_index = port_id - 1
73 result[traffickey] = {
77 'rate_unit': self.rate_unit,
83 frame_rate = value.get('frame_rate')
85 flow_rate, flow_rate_unit = self.config.parse_rate(frame_rate)
86 result[traffickey]['rate'] = flow_rate
87 result[traffickey]['rate_unit'] = flow_rate_unit
89 outer_l2 = value.get('outer_l2')
91 result[traffickey]['outer_l2'].update({
92 'framesize': outer_l2.get('framesize'),
93 'framesPerSecond': True,
94 'QinQ': outer_l2.get('QinQ'),
95 'srcmac': mac.get('src_mac_{}'.format(port_index)),
96 'dstmac': mac.get('dst_mac_{}'.format(port_index)),
99 if value.get('outer_l3v4'):
100 outer_l3 = value['outer_l3v4']
101 src_key, dst_key = 'srcip4', 'dstip4'
103 outer_l3 = value.get('outer_l3v6')
104 src_key, dst_key = 'srcip6', 'dstip6'
106 srcip = srcmask = dstip = dstmask = None
107 if outer_l3.get(src_key):
108 srcip, srcmask = self._get_ip_and_mask(outer_l3[src_key])
109 if outer_l3.get(dst_key):
110 dstip, dstmask = self._get_ip_and_mask(outer_l3[dst_key])
112 result[traffickey]['outer_l3'].update({
113 'count': outer_l3.get('count', 1),
114 'dscp': outer_l3.get('dscp'),
115 'ttl': outer_l3.get('ttl'),
116 'srcseed': outer_l3.get('srcseed', 1),
117 'dstseed': outer_l3.get('dstseed', 1),
123 'proto': outer_l3.get('proto'),
124 'priority': outer_l3.get('priority')
127 outer_l4 = value.get('outer_l4')
129 src_port = src_port_mask = dst_port = dst_port_mask = None
130 if outer_l4.get('srcport'):
131 src_port, src_port_mask = (
132 self._get_fixed_and_mask(outer_l4['srcport']))
134 if outer_l4.get('dstport'):
135 dst_port, dst_port_mask = (
136 self._get_fixed_and_mask(outer_l4['dstport']))
138 result[traffickey]['outer_l4'].update({
141 'srcportmask': src_port_mask,
142 'dstportmask': dst_port_mask,
143 'count': outer_l4.get('count', 1),
144 'seed': outer_l4.get('seed', 1),
149 def _ixia_traffic_generate(self, traffic, ixia_obj):
150 ixia_obj.update_frame(traffic, self.config.duration)
151 ixia_obj.update_ip_packet(traffic)
152 ixia_obj.update_l4(traffic)
153 ixia_obj.start_traffic()
155 def update_traffic_profile(self, traffic_generator):
156 def port_generator():
157 for vld_id, intfs in sorted(traffic_generator.networks.items()):
158 if not vld_id.startswith((self.UPLINK, self.DOWNLINK)):
160 profile_data = self.params.get(vld_id)
163 self.profile_data = profile_data
164 self.full_profile.update({vld_id: self.profile_data})
166 yield traffic_generator.vnfd_helper.port_num(intf)
168 self.ports = [port for port in port_generator()]
170 def execute_traffic(self, traffic_generator, ixia_obj=None, mac=None):
171 mac = {} if mac is None else mac
172 first_run = self.first_run
174 self.first_run = False
176 self.max_rate = self.rate
179 self.rate = round(float(self.max_rate + self.min_rate) / 2.0,
182 traffic = self._get_ixia_traffic_profile(self.full_profile, mac)
183 self._ixia_traffic_generate(traffic, ixia_obj)
186 def get_drop_percentage(self, samples, tol_min, tolerance, precision,
190 num_ifaces = len(samples)
191 duration = self.config.duration
192 in_packets_sum = sum(
193 [samples[iface]['in_packets'] for iface in samples])
194 out_packets_sum = sum(
195 [samples[iface]['out_packets'] for iface in samples])
196 rx_throughput = round(float(in_packets_sum) / duration, 3)
197 tx_throughput = round(float(out_packets_sum) / duration, 3)
198 packet_drop = abs(out_packets_sum - in_packets_sum)
201 drop_percent = round(
202 (packet_drop / float(out_packets_sum)) * 100,
203 self.DROP_PERCENT_ROUND)
204 except ZeroDivisionError:
205 LOG.info('No traffic is flowing')
208 completed = True if drop_percent <= tolerance else False
210 self.rate_unit == tp_base.TrafficProfileConfig.RATE_FPS):
211 self.rate = float(out_packets_sum) / duration / num_ifaces
213 if drop_percent > tolerance:
214 self.max_rate = self.rate
215 elif drop_percent < tol_min:
216 self.min_rate = self.rate
220 LOG.debug("tolerance=%s, tolerance_precision=%s drop_percent=%s "
221 "completed=%s", tolerance, precision, drop_percent,
224 latency_ns_avg = float(
225 sum([samples[iface]['Store-Forward_Avg_latency_ns']
226 for iface in samples])) / num_ifaces
227 latency_ns_min = float(
228 sum([samples[iface]['Store-Forward_Min_latency_ns']
229 for iface in samples])) / num_ifaces
230 latency_ns_max = float(
231 sum([samples[iface]['Store-Forward_Max_latency_ns']
232 for iface in samples])) / num_ifaces
234 samples['Status'] = self.STATUS_FAIL
235 if round(drop_percent, precision) <= tolerance:
236 samples['Status'] = self.STATUS_SUCCESS
238 samples['TxThroughput'] = tx_throughput
239 samples['RxThroughput'] = rx_throughput
240 samples['DropPercentage'] = drop_percent
241 samples['latency_ns_avg'] = latency_ns_avg
242 samples['latency_ns_min'] = latency_ns_min
243 samples['latency_ns_max'] = latency_ns_max
245 return completed, samples
248 class IXIARFC2544PppoeScenarioProfile(IXIARFC2544Profile):
249 """Class handles BNG PPPoE scenario tests traffic profile"""
251 def __init__(self, yaml_data):
252 super(IXIARFC2544PppoeScenarioProfile, self).__init__(yaml_data)
253 self.full_profile = collections.OrderedDict()
255 def _get_flow_groups_params(self):
256 flows_data = [key for key in self.params.keys()
257 if key.split('_')[0] in [self.UPLINK, self.DOWNLINK]]
258 for i in range(len(flows_data)):
259 uplink = '_'.join([self.UPLINK, str(i)])
260 downlink = '_'.join([self.DOWNLINK, str(i)])
261 if uplink in flows_data:
262 self.full_profile.update({uplink: self.params[uplink]})
263 if downlink in flows_data:
264 self.full_profile.update({downlink: self.params[downlink]})
266 def update_traffic_profile(self, traffic_generator):
267 def port_generator():
268 for vld_id, intfs in sorted(traffic_generator.networks.items()):
269 if not vld_id.startswith((self.UPLINK, self.DOWNLINK)):
272 yield traffic_generator.vnfd_helper.port_num(intf)
274 self._get_flow_groups_params()
275 self.ports = [port for port in port_generator()]