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.
17 from yardstick.common import utils
18 from yardstick.network_services.traffic_profile import base as tp_base
19 from yardstick.network_services.traffic_profile import trex_traffic_profile
22 LOG = logging.getLogger(__name__)
25 class IXIARFC2544Profile(trex_traffic_profile.TrexProfile):
29 DROP_PERCENT_ROUND = 6
31 STATUS_SUCCESS = "Success"
32 STATUS_FAIL = "Failure"
34 def __init__(self, yaml_data):
35 super(IXIARFC2544Profile, self).__init__(yaml_data)
36 self.rate = self.config.frame_rate
37 self.rate_unit = self.config.rate_unit
39 def _get_ip_and_mask(self, ip_range):
40 _ip_range = ip_range.split('-')
41 if len(_ip_range) == 1:
42 return _ip_range[0], None
44 mask = utils.get_mask_from_ip_range(_ip_range[0], _ip_range[1])
45 return _ip_range[0], mask
47 def _get_fixed_and_mask(self, port_range):
48 _port_range = str(port_range).split('-')
49 if len(_port_range) == 1:
50 return int(_port_range[0]), 0
52 return int(_port_range[0]), int(_port_range[1])
54 def _get_ixia_traffic_profile(self, profile_data, mac=None):
55 mac = {} if mac is None else mac
57 for traffickey, values in profile_data.items():
58 if not traffickey.startswith((self.UPLINK, self.DOWNLINK)):
61 # values should be single-item dict, so just grab the first item
63 key, value = next(iter(values.items()))
65 result[traffickey] = {}
68 port_id = value.get('id', 1)
69 port_index = port_id - 1
71 result[traffickey] = {
75 'rate_unit': self.rate_unit,
81 outer_l2 = value.get('outer_l2')
83 result[traffickey]['outer_l2'].update({
84 'framesize': outer_l2.get('framesize'),
85 'framesPerSecond': True,
86 'QinQ': outer_l2.get('QinQ'),
87 'srcmac': mac.get('src_mac_{}'.format(port_index)),
88 'dstmac': mac.get('dst_mac_{}'.format(port_index)),
91 if value.get('outer_l3v4'):
92 outer_l3 = value['outer_l3v4']
93 src_key, dst_key = 'srcip4', 'dstip4'
95 outer_l3 = value.get('outer_l3v6')
96 src_key, dst_key = 'srcip6', 'dstip6'
98 srcip = srcmask = dstip = dstmask = None
99 if outer_l3.get(src_key):
100 srcip, srcmask = self._get_ip_and_mask(outer_l3[src_key])
101 if outer_l3.get(dst_key):
102 dstip, dstmask = self._get_ip_and_mask(outer_l3[dst_key])
104 result[traffickey]['outer_l3'].update({
105 'count': outer_l3.get('count', 1),
106 'dscp': outer_l3.get('dscp'),
107 'ttl': outer_l3.get('ttl'),
108 'srcseed': outer_l3.get('srcseed', 1),
109 'dstseed': outer_l3.get('dstseed', 1),
115 'proto': outer_l3.get('proto'),
116 'priority': outer_l3.get('priority')
119 outer_l4 = value.get('outer_l4')
121 src_port = src_port_mask = dst_port = dst_port_mask = None
122 if outer_l4.get('srcport'):
123 src_port, src_port_mask = (
124 self._get_fixed_and_mask(outer_l4['srcport']))
126 if outer_l4.get('dstport'):
127 dst_port, dst_port_mask = (
128 self._get_fixed_and_mask(outer_l4['dstport']))
130 result[traffickey]['outer_l4'].update({
133 'srcportmask': src_port_mask,
134 'dstportmask': dst_port_mask,
135 'count': outer_l4.get('count', 1),
136 'seed': outer_l4.get('seed', 1),
141 def _ixia_traffic_generate(self, traffic, ixia_obj):
142 ixia_obj.update_frame(traffic, self.config.duration)
143 ixia_obj.update_ip_packet(traffic)
144 ixia_obj.update_l4(traffic)
145 ixia_obj.start_traffic()
147 def update_traffic_profile(self, traffic_generator):
148 def port_generator():
149 for vld_id, intfs in sorted(traffic_generator.networks.items()):
150 if not vld_id.startswith((self.UPLINK, self.DOWNLINK)):
152 profile_data = self.params.get(vld_id)
155 self.profile_data = profile_data
156 self.full_profile.update({vld_id: self.profile_data})
158 yield traffic_generator.vnfd_helper.port_num(intf)
160 self.ports = [port for port in port_generator()]
162 def execute_traffic(self, traffic_generator, ixia_obj=None, mac=None):
163 mac = {} if mac is None else mac
164 first_run = self.first_run
166 self.first_run = False
167 self.full_profile = {}
169 self.update_traffic_profile(traffic_generator)
170 self.max_rate = self.rate
173 self.rate = round(float(self.max_rate + self.min_rate) / 2.0,
176 traffic = self._get_ixia_traffic_profile(self.full_profile, mac)
177 self._ixia_traffic_generate(traffic, ixia_obj)
180 def get_drop_percentage(self, samples, tol_min, tolerance, precision,
184 num_ifaces = len(samples)
185 duration = self.config.duration
186 in_packets_sum = sum(
187 [samples[iface]['in_packets'] for iface in samples])
188 out_packets_sum = sum(
189 [samples[iface]['out_packets'] for iface in samples])
190 rx_throughput = round(float(in_packets_sum) / duration, 3)
191 tx_throughput = round(float(out_packets_sum) / duration, 3)
192 packet_drop = abs(out_packets_sum - in_packets_sum)
195 drop_percent = round(
196 (packet_drop / float(out_packets_sum)) * 100,
197 self.DROP_PERCENT_ROUND)
198 except ZeroDivisionError:
199 LOG.info('No traffic is flowing')
202 completed = True if drop_percent <= tolerance else False
204 self.rate_unit == tp_base.TrafficProfileConfig.RATE_FPS):
205 self.rate = float(out_packets_sum) / duration / num_ifaces
207 if drop_percent > tolerance:
208 self.max_rate = self.rate
209 elif drop_percent < tol_min:
210 self.min_rate = self.rate
214 LOG.debug("tolerance=%s, tolerance_precision=%s drop_percent=%s "
215 "completed=%s", tolerance, precision, drop_percent,
218 latency_ns_avg = float(
219 sum([samples[iface]['Store-Forward_Avg_latency_ns']
220 for iface in samples])) / num_ifaces
221 latency_ns_min = float(
222 sum([samples[iface]['Store-Forward_Min_latency_ns']
223 for iface in samples])) / num_ifaces
224 latency_ns_max = float(
225 sum([samples[iface]['Store-Forward_Max_latency_ns']
226 for iface in samples])) / num_ifaces
228 samples['Status'] = self.STATUS_FAIL
229 if round(drop_percent, precision) <= tolerance:
230 samples['Status'] = self.STATUS_SUCCESS
232 samples['TxThroughput'] = tx_throughput
233 samples['RxThroughput'] = rx_throughput
234 samples['DropPercentage'] = drop_percent
235 samples['latency_ns_avg'] = latency_ns_avg
236 samples['latency_ns_min'] = latency_ns_min
237 samples['latency_ns_max'] = latency_ns_max
239 return completed, samples