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.
15 from __future__ import absolute_import
19 from yardstick.network_services.traffic_profile.traffic_profile import \
22 LOG = logging.getLogger(__name__)
25 class IXIARFC2544Profile(TrexProfile):
27 def _get_ixia_traffic_profile(self, profile_data, mac=None, xfile=None, static_traffic=None):
31 if static_traffic is None:
36 with open(xfile) as stream:
38 static_traffic = json.load(stream)
39 except Exception as exc:
42 for traffickey, trafficvalue in static_traffic.items():
43 traffic = static_traffic[traffickey]
47 for key, value in profile_data[traffickey].items():
48 framesize = value['outer_l2']['framesize']
49 traffic['outer_l2']['framesize'] = framesize
50 traffic['framesPerSecond'] = True
51 traffic['bidir'] = False
52 traffic['outer_l2']['srcmac'] = \
53 mac["src_mac_{}".format(traffic['id'])]
54 traffic['outer_l2']['dstmac'] = \
55 mac["dst_mac_{}".format(traffic['id'])]
58 if "outer_l3v6" in list(value.keys()):
59 traffic['outer_l3'] = value['outer_l3v6']
60 srcip4 = value['outer_l3v6']['srcip6']
61 traffic['outer_l3']['srcip4'] = srcip4.split("-")[0]
62 dstip4 = value['outer_l3v6']['dstip6']
63 traffic['outer_l3']['dstip4'] = dstip4.split("-")[0]
65 traffic['outer_l3'] = value['outer_l3v4']
66 srcip4 = value['outer_l3v4']['srcip4']
67 traffic['outer_l3']['srcip4'] = srcip4.split("-")[0]
68 dstip4 = value['outer_l3v4']['dstip4']
69 traffic['outer_l3']['dstip4'] = dstip4.split("-")[0]
71 traffic['outer_l3']['type'] = key
72 traffic['outer_l3']['count'] = value['outer_l3v4']['count']
74 traffic['outer_l4'] = value['outer_l4']
79 result.update({traffickey: traffic})
83 def _ixia_traffic_generate(self, traffic_generator, traffic, ixia_obj):
84 for key, value in traffic.items():
85 if key.startswith((self.UPLINK, self.DOWNLINK)):
86 value["iload"] = str(self.rate)
87 ixia_obj.ix_update_frame(traffic)
88 ixia_obj.ix_update_ether(traffic)
89 ixia_obj.add_ip_header(traffic, 4)
90 ixia_obj.ix_start_traffic()
92 self.tmp_throughput = 0
94 def update_traffic_profile(self, traffic_generator):
96 for vld_id, intfs in sorted(traffic_generator.networks.items()):
97 if not vld_id.startswith((self.UPLINK, self.DOWNLINK)):
99 profile_data = self.params.get(vld_id)
102 self.profile_data = profile_data
103 self.get_streams(self.profile_data)
104 self.full_profile.update({vld_id: self.profile_data})
106 yield traffic_generator.vnfd_helper.port_num(intf)
108 self.ports = [port for port in port_generator()]
110 def execute_traffic(self, traffic_generator, ixia_obj, mac=None, xfile=None):
114 self.full_profile = {}
116 self.update_traffic_profile(traffic_generator)
118 self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
119 self.max_rate = self.rate
121 self.get_multiplier()
122 self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
124 def get_multiplier(self):
125 self.rate = round((self.max_rate + self.min_rate) / 2.0, 2)
126 multiplier = round(self.rate / self.pps, 2)
127 return str(multiplier)
129 def start_ixia_latency(self, traffic_generator, ixia_obj,
130 mac=None, xfile=None):
133 self.update_traffic_profile(traffic_generator)
135 self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
136 self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
138 def get_drop_percentage(self, traffic_generator, samples, tol_min,
139 tolerance, ixia_obj, mac=None, xfile=None):
144 in_packets = sum([samples[iface]['in_packets'] for iface in samples])
145 out_packets = sum([samples[iface]['out_packets'] for iface in samples])
147 sum([samples[iface]['RxThroughput'] for iface in samples])
149 sum([samples[iface]['TxThroughput'] for iface in samples])
150 packet_drop = abs(out_packets - in_packets)
152 drop_percent = round((packet_drop / float(out_packets)) * 100, 2)
153 except ZeroDivisionError:
154 LOG.info('No traffic is flowing')
155 samples['TxThroughput'] = round(tx_throughput / 1.0, 2)
156 samples['RxThroughput'] = round(rx_throughput / 1.0, 2)
157 samples['CurrentDropPercentage'] = drop_percent
158 samples['Throughput'] = self.tmp_throughput
159 samples['DropPercentage'] = self.tmp_drop
160 if drop_percent > tolerance and self.tmp_throughput == 0:
161 samples['Throughput'] = round(rx_throughput / 1.0, 2)
162 samples['DropPercentage'] = drop_percent
164 max_supported_rate = out_packets / 30.0
165 self.rate = max_supported_rate
166 self.first_run = False
167 if drop_percent <= tolerance:
169 if drop_percent > tolerance:
170 self.max_rate = self.rate
171 elif drop_percent < tol_min:
172 self.min_rate = self.rate
173 if drop_percent >= self.tmp_drop:
174 self.tmp_drop = drop_percent
175 self.tmp_throughput = round((rx_throughput / 1.0), 2)
176 samples['Throughput'] = round(rx_throughput / 1.0, 2)
177 samples['DropPercentage'] = drop_percent
179 samples['Throughput'] = round(rx_throughput / 1.0, 2)
180 samples['DropPercentage'] = drop_percent
181 return status, samples
182 self.get_multiplier()
183 traffic = self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
184 self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
185 return status, samples