yardstick/network_services/traffic_profile/ixia_rfc2544.py

   1 # Copyright (c) 2016-2017 Intel Corporation
   2 #
   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
   6 #
   7 #      http://www.apache.org/licenses/LICENSE-2.0
   8 #
   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.
  14
  15 from __future__ import absolute_import
  16 import logging
  17 import json
  18
  19 from yardstick.network_services.traffic_profile.traffic_profile import \
  20     TrexProfile
  21
  22 LOG = logging.getLogger(__name__)
  23
  24
  25 class IXIARFC2544Profile(TrexProfile):
  26     def _get_ixia_traffic_profile(self, profile_data, mac={},
  27                                   xfile=None, static_traffic={}):
  28         result = {}
  29         if xfile:
  30             with open(xfile, 'r') as stream:
  31                 try:
  32                     static_traffic = json.load(stream)
  33                 except Exception as exc:
  34                     LOG.debug(exc)
  35
  36         for traffickey, trafficvalue in static_traffic.items():
  37             traffic = static_traffic[traffickey]
  38             # outer_l2
  39             index = 0
  40             for key, value in profile_data[traffickey].items():
  41                 framesize = value['outer_l2']['framesize']
  42                 traffic['outer_l2']['framesize'] = framesize
  43                 traffic['framesPerSecond'] = True
  44                 traffic['bidir'] = False
  45                 traffic['outer_l2']['srcmac'] = \
  46                     mac["src_mac_{}".format(traffic['id'])]
  47                 traffic['outer_l2']['dstmac'] = \
  48                     mac["dst_mac_{}".format(traffic['id'])]
  49
  50                 # outer_l3
  51                 if "outer_l3v6" in list(value.keys()):
  52                     traffic['outer_l3'] = value['outer_l3v6']
  53                     srcip4 = value['outer_l3v6']['srcip6']
  54                     traffic['outer_l3']['srcip4'] = srcip4.split("-")[0]
  55                     dstip4 = value['outer_l3v6']['dstip6']
  56                     traffic['outer_l3']['dstip4'] = dstip4.split("-")[0]
  57                 else:
  58                     traffic['outer_l3'] = value['outer_l3v4']
  59                     srcip4 = value['outer_l3v4']['srcip4']
  60                     traffic['outer_l3']['srcip4'] = srcip4.split("-")[0]
  61                     dstip4 = value['outer_l3v4']['dstip4']
  62                     traffic['outer_l3']['dstip4'] = dstip4.split("-")[0]
  63
  64                 traffic['outer_l3']['type'] = key
  65                 # outer_l4
  66                 traffic['outer_l4'] = value['outer_l4']
  67                 index = index + 1
  68             result.update({traffickey: traffic})
  69
  70         return result
  71
  72     def _ixia_traffic_generate(self, traffic_generator, traffic, ixia_obj):
  73         for key, value in traffic.items():
  74             if "public" in key or "private" in key:
  75                 traffic[key]["iload"] = str(self.rate)
  76         ixia_obj.ix_update_frame(traffic)
  77         ixia_obj.ix_update_ether(traffic)
  78         ixia_obj.add_ip_header(traffic, 4)
  79         ixia_obj.ix_start_traffic()
  80         self.tmp_drop = 0
  81         self.tmp_throughput = 0
  82
  83     def update_traffic_profile(self):
  84         self.profile = 'private_1'
  85         for key, value in self.params.items():
  86             if "private" in key or "public" in key:
  87                 self.profile_data = self.params[key]
  88                 self.get_streams(self.profile_data)
  89                 self.full_profile.update({key: self.profile_data})
  90
  91     def execute(self, traffic_generator, ixia_obj, mac={}, xfile=None):
  92         if self.first_run:
  93             self.full_profile = {}
  94             self.pg_id = 0
  95             self.update_traffic_profile()
  96             traffic = \
  97                 self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
  98             self.max_rate = self.rate
  99             self.min_rate = 0
 100             self.get_multiplier()
 101             self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
 102
 103     def get_multiplier(self):
 104         self.rate = round((self.max_rate + self.min_rate) / 2.0, 2)
 105         multiplier = round(self.rate / self.pps, 2)
 106         return str(multiplier)
 107
 108     def start_ixia_latency(self, traffic_generator, ixia_obj,
 109                            mac={}, xfile=None):
 110         self.update_traffic_profile()
 111         traffic = \
 112             self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
 113         self._ixia_traffic_generate(traffic_generator, traffic,
 114                                     ixia_obj, xfile)
 115
 116     def get_drop_percentage(self, traffic_generator, samples, tol_min,
 117                             tolerance, ixia_obj, mac={}, xfile=None):
 118         status = 'Running'
 119         drop_percent = 100
 120         in_packets = sum([samples[iface]['in_packets'] for iface in samples])
 121         out_packets = sum([samples[iface]['out_packets'] for iface in samples])
 122         rx_throughput = \
 123             sum([samples[iface]['RxThroughput'] for iface in samples])
 124         tx_throughput = \
 125             sum([samples[iface]['TxThroughput'] for iface in samples])
 126         packet_drop = abs(out_packets - in_packets)
 127         try:
 128             drop_percent = round((packet_drop / float(out_packets)) * 100, 2)
 129         except ZeroDivisionError:
 130             LOG.info('No traffic is flowing')
 131         samples['TxThroughput'] = round(tx_throughput / 1.0, 2)
 132         samples['RxThroughput'] = round(rx_throughput / 1.0, 2)
 133         samples['CurrentDropPercentage'] = drop_percent
 134         samples['Throughput'] = self.tmp_throughput
 135         samples['DropPercentage'] = self.tmp_drop
 136         if drop_percent > tolerance and self.tmp_throughput == 0:
 137             samples['Throughput'] = round(rx_throughput / 1.0, 2)
 138             samples['DropPercentage'] = drop_percent
 139         if self.first_run:
 140             max_supported_rate = out_packets / 30.0
 141             self.rate = max_supported_rate
 142             self.first_run = False
 143             if drop_percent <= tolerance:
 144                 status = 'Completed'
 145         if drop_percent > tolerance:
 146             self.max_rate = self.rate
 147         elif drop_percent < tol_min:
 148             self.min_rate = self.rate
 149             if drop_percent >= self.tmp_drop:
 150                 self.tmp_drop = drop_percent
 151                 self.tmp_throughput = round((rx_throughput / 1.0), 2)
 152                 samples['Throughput'] = round(rx_throughput / 1.0, 2)
 153                 samples['DropPercentage'] = drop_percent
 154         else:
 155             samples['Throughput'] = round(rx_throughput / 1.0, 2)
 156             samples['DropPercentage'] = drop_percent
 157             return status, samples
 158         self.get_multiplier()
 159         traffic = self._get_ixia_traffic_profile(self.full_profile, mac, xfile)
 160         self._ixia_traffic_generate(traffic_generator, traffic, ixia_obj)
 161         return status, samples