diff options
Diffstat (limited to 'yardstick/network_services/traffic_profile/ixia_rfc2544.py')
| -rw-r--r-- | yardstick/network_services/traffic_profile/ixia_rfc2544.py | 112 |
1 files changed, 46 insertions, 66 deletions
diff --git a/yardstick/network_services/traffic_profile/ixia_rfc2544.py b/yardstick/network_services/traffic_profile/ixia_rfc2544.py index 7f047226b..39336785e 100644 --- a/yardstick/network_services/traffic_profile/ixia_rfc2544.py +++ b/yardstick/network_services/traffic_profile/ixia_rfc2544.py @@ -12,7 +12,6 @@ # See the License for the specific language governing permissions and # limitations under the License. -from __future__ import absolute_import import logging from yardstick.network_services.traffic_profile.trex_traffic_profile import \ @@ -26,6 +25,10 @@ class IXIARFC2544Profile(TrexProfile): UPLINK = 'uplink' DOWNLINK = 'downlink' + def __init__(self, yaml_data): + super(IXIARFC2544Profile, self).__init__(yaml_data) + self.rate = self.config.frame_rate + def _get_ixia_traffic_profile(self, profile_data, mac=None): if mac is None: mac = {} @@ -82,13 +85,10 @@ class IXIARFC2544Profile(TrexProfile): def _ixia_traffic_generate(self, traffic, ixia_obj): for key, value in traffic.items(): if key.startswith((self.UPLINK, self.DOWNLINK)): - value["iload"] = str(self.rate) - ixia_obj.ix_update_frame(traffic) - ixia_obj.ix_update_ether(traffic) - ixia_obj.add_ip_header(traffic, 4) - ixia_obj.ix_start_traffic() - self.tmp_drop = 0 - self.tmp_throughput = 0 + value['iload'] = str(self.rate) + ixia_obj.update_frame(traffic) + ixia_obj.update_ip_packet(traffic) + ixia_obj.start_traffic() def update_traffic_profile(self, traffic_generator): def port_generator(): @@ -99,85 +99,65 @@ class IXIARFC2544Profile(TrexProfile): if not profile_data: continue self.profile_data = profile_data - self.get_streams(self.profile_data) self.full_profile.update({vld_id: self.profile_data}) for intf in intfs: yield traffic_generator.vnfd_helper.port_num(intf) self.ports = [port for port in port_generator()] - def execute_traffic(self, traffic_generator, ixia_obj, mac=None): - if mac is None: - mac = {} + def execute_traffic(self, traffic_generator, ixia_obj=None, mac=None): + mac = {} if mac is None else mac + first_run = self.first_run if self.first_run: + self.first_run = False self.full_profile = {} self.pg_id = 0 self.update_traffic_profile(traffic_generator) - traffic = \ - self._get_ixia_traffic_profile(self.full_profile, mac) self.max_rate = self.rate self.min_rate = 0 - self.get_multiplier() - self._ixia_traffic_generate(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) + else: + self.rate = round(float(self.max_rate + self.min_rate) / 2.0, 2) - def start_ixia_latency(self, traffic_generator, ixia_obj, mac=None): - if mac is None: - mac = {} - self.update_traffic_profile(traffic_generator) - traffic = \ - self._get_ixia_traffic_profile(self.full_profile, mac) + traffic = self._get_ixia_traffic_profile(self.full_profile, mac) self._ixia_traffic_generate(traffic, ixia_obj) + return first_run - def get_drop_percentage(self, samples, tol_min, tolerance, ixia_obj, - mac=None): - if mac is None: - mac = {} - status = 'Running' + def get_drop_percentage(self, samples, tol_min, tolerance, duration=30.0, + first_run=False): + completed = False 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) + num_ifaces = len(samples) + in_packets_sum = sum( + [samples[iface]['in_packets'] for iface in samples]) + out_packets_sum = sum( + [samples[iface]['out_packets'] for iface in samples]) + rx_throughput = sum( + [samples[iface]['RxThroughput'] for iface in samples]) + rx_throughput = round(float(rx_throughput), 2) + tx_throughput = sum( + [samples[iface]['TxThroughput'] for iface in samples]) + tx_throughput = round(float(tx_throughput), 2) + packet_drop = abs(out_packets_sum - in_packets_sum) + try: - drop_percent = round((packet_drop / float(out_packets)) * 100, 2) + drop_percent = round( + (packet_drop / float(out_packets_sum)) * 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' + + samples['TxThroughput'] = tx_throughput + samples['RxThroughput'] = rx_throughput + samples['DropPercentage'] = drop_percent + + if first_run: + self.rate = out_packets_sum / duration / num_ifaces + completed = True if drop_percent <= tolerance else False + 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) - self._ixia_traffic_generate(traffic, ixia_obj) - return status, samples + completed = True + + return completed, samples |