diff options
Diffstat (limited to 'resources/libraries/python/TrafficGenerator.py')
| -rw-r--r-- | resources/libraries/python/TrafficGenerator.py | 321 |
1 files changed, 172 insertions, 149 deletions
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py index 8c3abfb373..14d2dc8d1c 100644 --- a/resources/libraries/python/TrafficGenerator.py +++ b/resources/libraries/python/TrafficGenerator.py @@ -29,7 +29,7 @@ from .MLRsearch.MultipleLossRatioSearch import MultipleLossRatioSearch from .MLRsearch.ReceiveRateMeasurement import ReceiveRateMeasurement from .PLRsearch.PLRsearch import PLRsearch -__all__ = ['TGDropRateSearchImpl', 'TrafficGenerator', 'OptimizedSearch'] +__all__ = [u"TGDropRateSearchImpl", u"TrafficGenerator", u"OptimizedSearch"] def check_subtype(node): @@ -44,27 +44,28 @@ def check_subtype(node): :rtype: NodeSubTypeTG :raises RuntimeError: If node is not supported, message explains how. """ - if node.get('type') is None: - raise RuntimeError('Node type is not defined') + if node.get(u"type") is None: + msg = u"Node type is not defined" elif node['type'] != NodeType.TG: - raise RuntimeError('Node type is {typ!r}, not a TG'.format( - typ=node['type'])) - elif node.get('subtype') is None: - raise RuntimeError('TG subtype is not defined') - elif node['subtype'] == NodeSubTypeTG.TREX: + msg = f"Node type is {node[u'type']!r}, not a TG" + elif node.get(u"subtype") is None: + msg = u"TG subtype is not defined" + elif node[u"subtype"] != NodeSubTypeTG.TREX: + msg = f"TG subtype {node[u'subtype']!r} is not supported" + else: return NodeSubTypeTG.TREX - raise RuntimeError('TG subtype {sub!r} is not supported'.format( - sub=node['subtype'])) + raise RuntimeError(msg) class TGDropRateSearchImpl(DropRateSearch): """Drop Rate Search implementation.""" - def __init__(self): - super(TGDropRateSearchImpl, self).__init__() + # def __init__(self): + # super(TGDropRateSearchImpl, self).__init__() - def measure_loss(self, rate, frame_size, loss_acceptance, - loss_acceptance_type, traffic_profile, skip_warmup=False): + def measure_loss( + self, rate, frame_size, loss_acceptance, loss_acceptance_type, + traffic_profile, skip_warmup=False): """Runs the traffic and evaluate the measured results. :param rate: Offered traffic load. @@ -88,23 +89,27 @@ class TGDropRateSearchImpl(DropRateSearch): # we need instance of TrafficGenerator instantiated by Robot Framework # to be able to use trex_stl-*() tg_instance = BuiltIn().get_library_instance( - 'resources.libraries.python.TrafficGenerator') + u"resources.libraries.python.TrafficGenerator" + ) subtype = check_subtype(tg_instance.node) if subtype == NodeSubTypeTG.TREX: unit_rate = str(rate) + self.get_rate_type_str() if skip_warmup: tg_instance.trex_stl_start_remote_exec( self.get_duration(), unit_rate, frame_size, traffic_profile, - warmup_time=0.0) + warmup_time=0.0 + ) else: tg_instance.trex_stl_start_remote_exec( - self.get_duration(), unit_rate, frame_size, traffic_profile) + self.get_duration(), unit_rate, frame_size, traffic_profile + ) loss = tg_instance.get_loss() sent = tg_instance.get_sent() if self.loss_acceptance_type_is_percentage(): loss = (float(loss) / float(sent)) * 100 - logger.trace("comparing: {los} < {acc} {typ}".format( - los=loss, acc=loss_acceptance, typ=loss_acceptance_type)) + logger.trace( + f"comparing: {loss} < {loss_acceptance} {loss_acceptance_type}" + ) return float(loss) <= float(loss_acceptance) return False @@ -115,10 +120,12 @@ class TGDropRateSearchImpl(DropRateSearch): :rtype: list """ tg_instance = BuiltIn().get_library_instance( - 'resources.libraries.python.TrafficGenerator') + u"resources.libraries.python.TrafficGenerator" + ) return tg_instance.get_latency_int() +# pylint: disable=too-many-instance-attributes class TrafficGenerator(AbstractMeasurer): """Traffic Generator. @@ -128,7 +135,7 @@ class TrafficGenerator(AbstractMeasurer): # TODO: Remove "trex" from lines which could work with other TGs. # Use one instance of TrafficGenerator for all tests in test suite - ROBOT_LIBRARY_SCOPE = 'TEST SUITE' + ROBOT_LIBRARY_SCOPE = u"TEST SUITE" def __init__(self): # TODO: Number of fields will be reduced with CSIT-1378. @@ -194,6 +201,7 @@ class TrafficGenerator(AbstractMeasurer): """ return self._latency + # pylint: disable=too-many-locals def initialize_traffic_generator( self, tg_node, tg_if1, tg_if2, tg_if1_adj_node, tg_if1_adj_if, tg_if2_adj_node, tg_if2_adj_if, osi_layer, tg_if1_dst_mac=None, @@ -234,23 +242,27 @@ class TrafficGenerator(AbstractMeasurer): if1_addr = Topology().get_interface_mac(self._node, tg_if1) if2_addr = Topology().get_interface_mac(self._node, tg_if2) - if osi_layer == 'L2': + if osi_layer == u"L2": if1_adj_addr = if2_addr if2_adj_addr = if1_addr - elif osi_layer == 'L3': - if1_adj_addr = Topology().get_interface_mac(tg_if1_adj_node, - tg_if1_adj_if) - if2_adj_addr = Topology().get_interface_mac(tg_if2_adj_node, - tg_if2_adj_if) - elif osi_layer == 'L7': + elif osi_layer == u"L3": + if1_adj_addr = Topology().get_interface_mac( + tg_if1_adj_node, tg_if1_adj_if + ) + if2_adj_addr = Topology().get_interface_mac( + tg_if2_adj_node, tg_if2_adj_if + ) + elif osi_layer == u"L7": if1_addr = Topology().get_interface_ip4(self._node, tg_if1) if2_addr = Topology().get_interface_ip4(self._node, tg_if2) - if1_adj_addr = Topology().get_interface_ip4(tg_if1_adj_node, - tg_if1_adj_if) - if2_adj_addr = Topology().get_interface_ip4(tg_if2_adj_node, - tg_if2_adj_if) + if1_adj_addr = Topology().get_interface_ip4( + tg_if1_adj_node, tg_if1_adj_if + ) + if2_adj_addr = Topology().get_interface_ip4( + tg_if2_adj_node, tg_if2_adj_if + ) else: - raise ValueError("Unknown Test Type") + raise ValueError(u"Unknown Test Type") # in case of switched environment we can override MAC addresses if tg_if1_dst_mac is not None and tg_if2_dst_mac is not None: @@ -263,42 +275,40 @@ class TrafficGenerator(AbstractMeasurer): if1_adj_addr, if2_adj_addr = if2_adj_addr, if1_adj_addr self._ifaces_reordered = True - if osi_layer == 'L2' or osi_layer == 'L3': + if osi_layer in (u"L2", u"L3"): + dst_mac0 = f"0x{if1_adj_addr.replace(u':', u',0x')}" + src_mac0 = f"0x{if1_addr.replace(u':', u',0x')}" + dst_mac1 = f"0x{if2_adj_addr.replace(u':', u',0x')}" + src_mac1 = f"0x{if2_addr.replace(u':', u',0x')}" exec_cmd_no_error( self._node, - "sh -c 'cat << EOF > /etc/trex_cfg.yaml\n" - "- version: 2\n" - " interfaces: [\"{0}\",\"{1}\"]\n" - " port_info:\n" - " - dest_mac: [{2}]\n" - " src_mac: [{3}]\n" - " - dest_mac: [{4}]\n" - " src_mac: [{5}]\n" - "EOF'"\ - .format(if1_pci, if2_pci, - "0x"+if1_adj_addr.replace(":", ",0x"), - "0x"+if1_addr.replace(":", ",0x"), - "0x"+if2_adj_addr.replace(":", ",0x"), - "0x"+if2_addr.replace(":", ",0x")), - sudo=True, message='TRex config generation error') - elif osi_layer == 'L7': + f"sh -c 'cat << EOF > /etc/trex_cfg.yaml\n" + f"- version: 2\n" + f" interfaces: [\"{if1_pci}\",\"{if2_pci}\"]\n" + f" port_info:\n" + f" - dest_mac: [{dst_mac0}]\n" + f" src_mac: [{src_mac0}]\n" + f" - dest_mac: [{dst_mac1}]\n" + f" src_mac: [{src_mac1}]\n" + f"EOF'", + sudo=True, message=u"TRex config generation error" + ) + elif osi_layer == u"L7": exec_cmd_no_error( self._node, - "sh -c 'cat << EOF > /etc/trex_cfg.yaml\n" - "- version: 2\n" - " interfaces: [\"{0}\",\"{1}\"]\n" - " port_info:\n" - " - ip: [{2}]\n" - " default_gw: [{3}]\n" - " - ip: [{4}]\n" - " default_gw: [{5}]\n" - "EOF'"\ - .format(if1_pci, if2_pci, - if1_addr, if1_adj_addr, - if2_addr, if2_adj_addr), - sudo=True, message='TRex config generation error') + f"sh -c 'cat << EOF > /etc/trex_cfg.yaml\n" + f"- version: 2\n" + f" interfaces: [\"{if1_pci}\",\"{if2_pci}\"]\n" + f" port_info:\n" + f" - ip: [{if1_addr}]\n" + f" default_gw: [{if1_adj_addr}]\n" + f" - ip: [{if2_addr}]\n" + f" default_gw: [{if2_adj_addr}]\n" + f"EOF'", + sudo=True, message=u"TRex config generation error" + ) else: - raise ValueError("Unknown Test Type") + raise ValueError(u"Unknown Test Type") self._startup_trex(osi_layer) @@ -312,49 +322,52 @@ class TrafficGenerator(AbstractMeasurer): # No need to check subtype, we know it is TREX. for _ in range(0, 3): # Kill TRex only if it is already running. - cmd = "sh -c 'pgrep t-rex && pkill t-rex && sleep 3 || true'" + cmd = u"sh -c \"pgrep t-rex && pkill t-rex && sleep 3 || true\"" exec_cmd_no_error( - self._node, cmd, sudo=True, message='Kill TRex failed!') + self._node, cmd, sudo=True, message=u"Kill TRex failed!" + ) # Configure TRex. ports = '' - for port in self._node['interfaces'].values(): - ports += ' {pci}'.format(pci=port.get('pci_address')) + for port in self._node[u"interfaces"].values(): + ports += f" {port.get(u'pci_address')}" - cmd = ("sh -c 'cd {dir}/scripts/ && " - "./dpdk_nic_bind.py -u {ports} || true'" - .format(dir=Constants.TREX_INSTALL_DIR, ports=ports)) + cmd = f"sh -c \"cd {Constants.TREX_INSTALL_DIR}/scripts/ && " \ + f"./dpdk_nic_bind.py -u {ports} || true\"" exec_cmd_no_error( self._node, cmd, sudo=True, - message='Unbind PCI ports from driver failed!') + message=u"Unbind PCI ports from driver failed!" + ) # Start TRex. - cmd = ("sh -c 'cd {dir}/scripts/ && " - "nohup ./t-rex-64 --hdrh{mode} --prefix $(hostname)" - " -i -c 7 > /tmp/trex.log 2>&1 &' > /dev/null" - .format(dir=Constants.TREX_INSTALL_DIR, - mode=' --astf' if osi_layer == 'L7' else '')) + cmd = f"sh -c \"cd {Constants.TREX_INSTALL_DIR}/scripts/ && " \ + f"nohup ./t-rex-64 " \ + f"--hdrh{u' --astf' if osi_layer == u'L7' else u''} " \ + f"--prefix $(hostname) -i -c 7 > /tmp/trex.log 2>&1 &\" > " \ + f"/dev/null" try: exec_cmd_no_error(self._node, cmd, sudo=True) except RuntimeError: - cmd = "sh -c 'cat /tmp/trex.log'" + cmd = u"sh -c \"cat /tmp/trex.log\"" exec_cmd_no_error( - self._node, cmd, sudo=True, message='Get TRex logs failed!') - raise RuntimeError('Start TRex failed!') + self._node, cmd, sudo=True, message=u"Get TRex logs failed!" + ) + raise RuntimeError(u"Start TRex failed!") # Test if TRex starts successfuly. - cmd = ("sh -c '{dir}/resources/tools/trex/trex_server_info.py'" - .format(dir=Constants.REMOTE_FW_DIR)) + cmd = f"sh -c \"{Constants.REMOTE_FW_DIR}/resources/tools/trex/" \ + f"trex_server_info.py\"" try: exec_cmd_no_error( - self._node, cmd, sudo=True, message='Test TRex failed!', - retries=20) + self._node, cmd, sudo=True, message=u"Test TRex failed!", + retries=20 + ) except RuntimeError: continue return # After max retries TRex is still not responding to API critical error # occurred. - raise RuntimeError('Start TRex failed after multiple retries!') + raise RuntimeError(u"Start TRex failed after multiple retries!") @staticmethod def is_trex_running(node): @@ -368,7 +381,7 @@ class TrafficGenerator(AbstractMeasurer): """ # No need to check subtype, we know it is TREX. - ret, _, _ = exec_cmd(node, "pidof t-rex", sudo=True) + ret, _, _ = exec_cmd(node, u"pidof t-rex", sudo=True) return bool(int(ret) == 0) @staticmethod @@ -384,8 +397,9 @@ class TrafficGenerator(AbstractMeasurer): subtype = check_subtype(node) if subtype == NodeSubTypeTG.TREX: exec_cmd_no_error( - node, "sh -c 'sudo pkill t-rex && sleep 3'", - sudo=False, message='pkill t-rex failed') + node, u"sh -c \"sudo pkill t-rex && sleep 3\"", + sudo=False, message=u"pkill t-rex failed" + ) def _parse_traffic_results(self, stdout): """Parse stdout of scripts into fields of self. @@ -399,13 +413,13 @@ class TrafficGenerator(AbstractMeasurer): # last line from console output line = stdout.splitlines()[-1] self._result = line - logger.info('TrafficGen result: {0}'.format(self._result)) - self._received = self._result.split(', ')[1].split('=', 1)[1] - self._sent = self._result.split(', ')[2].split('=', 1)[1] - self._loss = self._result.split(', ')[3].split('=', 1)[1] - self._latency = [] - self._latency.append(self._result.split(', ')[4].split('=', 1)[1]) - self._latency.append(self._result.split(', ')[5].split('=', 1)[1]) + logger.info(f"TrafficGen result: {self._result}") + self._received = self._result.split(u", ")[1].split(u"=", 1)[1] + self._sent = self._result.split(u", ")[2].split(u"=", 1)[1] + self._loss = self._result.split(u", ")[3].split(u"=", 1)[1] + self._latency = list() + self._latency.append(self._result.split(u", ")[4].split(u"=", 1)[1]) + self._latency.append(self._result.split(u", ")[5].split(u"=", 1)[1]) def trex_stl_stop_remote_exec(self, node): """Execute script on remote node over ssh to stop running traffic. @@ -417,17 +431,17 @@ class TrafficGenerator(AbstractMeasurer): :raises RuntimeError: If stop traffic script fails. """ # No need to check subtype, we know it is TREX. - x_args = "" + x_args = u"" for index, value in enumerate(self._xstats): if value is not None: # Nested quoting is fun. - value = value.replace("'", "\"") - x_args += " --xstat{i}='\"'\"'{v}'\"'\"'".format( - i=index, v=value) + value = value.replace(u"'", u"\"") + x_args += f" --xstat{index}='\"'\"'{value}'\"'\"'" stdout, _ = exec_cmd_no_error( - node, "sh -c '{d}/resources/tools/trex/trex_stateless_stop.py{a}'"\ - .format(d=Constants.REMOTE_FW_DIR, a=x_args), - message='TRex stateless runtime error') + node, f"sh -c '{Constants.REMOTE_FW_DIR}/resources/tools/trex/" + f"trex_stateless_stop.py{x_args}'", + message=u"TRex stateless runtime error" + ) self._parse_traffic_results(stdout) def trex_stl_start_remote_exec( @@ -468,39 +482,36 @@ class TrafficGenerator(AbstractMeasurer): # No need to check subtype, we know it is TREX. reorder = self._ifaces_reordered # Just to make the next line fit. p_0, p_1 = (rx_port, tx_port) if reorder else (tx_port, rx_port) - # Values from Robot can introduce type unicode, - # we need to encode them, so that repr() does not lead with 'u'. - if isinstance(rate, unicode): - rate = rate.encode("utf-8") + if not isinstance(duration, (float, int)): duration = float(duration) if not isinstance(warmup_time, (float, int)): warmup_time = float(warmup_time) - command = ( - "sh -c '{tool}/resources/tools/trex/trex_stateless_profile.py" - " --profile {prof}/resources/traffic_profiles/trex/{traffic}.py" - " --duration {duration!r} --frame_size {frame_size} --rate {rate!r}" - " --warmup_time {warmup!r} --port_0 {p_0} --port_1 {p_1}" - " --traffic_directions {dirs}").format( - tool=Constants.REMOTE_FW_DIR, prof=Constants.REMOTE_FW_DIR, - traffic=traffic_profile, duration=duration, - frame_size=frame_size, rate=rate, warmup=warmup_time, p_0=p_0, - p_1=p_1, dirs=traffic_directions) + command = f"sh -c \"" \ + f"{Constants.REMOTE_FW_DIR}/resources/tools/trex/" \ + f"trex_stateless_profile.py" \ + f" --profile {Constants.REMOTE_FW_DIR}/resources/" \ + f"traffic_profiles/trex/{traffic_profile}.py" \ + f" --duration {duration!r} --frame_size {frame_size} " \ + f"--rate {rate!r} --warmup_time {warmup_time!r} " \ + f"--port_0 {p_0} --port_1 {p_1}" \ + f" --traffic_directions {traffic_directions}" if async_call: - command += " --async_start" + command += u" --async_start" if latency: - command += " --latency" - command += "'" + command += u" --latency" + command += u"\"" stdout, _ = exec_cmd_no_error( self._node, command, timeout=float(duration) + 60, - message='TRex stateless runtime error') + message=u"TRex stateless runtime error" + ) self.traffic_directions = traffic_directions if async_call: - #no result + # no result self._start_time = time.time() - self._rate = float(rate[:-3]) if "pps" in rate else float(rate) + self._rate = float(rate[:-3]) if u"pps" in rate else float(rate) self._received = None self._sent = None self._loss = None @@ -508,7 +519,7 @@ class TrafficGenerator(AbstractMeasurer): xstats = [None, None] index = 0 for line in stdout.splitlines(): - if "Xstats snapshot {i}: ".format(i=index) in line: + if f"Xstats snapshot {index}: " in line: xstats[index] = line[19:] index += 1 if index == 2: @@ -590,7 +601,8 @@ class TrafficGenerator(AbstractMeasurer): if subtype == NodeSubTypeTG.TREX: self.trex_stl_start_remote_exec( duration, rate, frame_size, traffic_profile, async_call, - latency, warmup_time, traffic_directions, tx_port, rx_port) + latency, warmup_time, traffic_directions, tx_port, rx_port + ) return self._result @@ -601,9 +613,9 @@ class TrafficGenerator(AbstractMeasurer): :raises Exception: If loss occured. """ if self._loss is None: - raise RuntimeError('The traffic generation has not been issued') - if self._loss != '0': - raise RuntimeError('Traffic loss occurred: {0}'.format(self._loss)) + raise RuntimeError(u"The traffic generation has not been issued") + if self._loss != u"0": + raise RuntimeError(f"Traffic loss occurred: {self._loss}") def fail_if_no_traffic_forwarded(self): """Fail if no traffic forwarded. @@ -612,12 +624,12 @@ class TrafficGenerator(AbstractMeasurer): :raises Exception: If no traffic forwarded. """ if self._received is None: - raise RuntimeError('The traffic generation has not been issued') - if self._received == '0': - raise RuntimeError('No traffic forwarded') + raise RuntimeError(u"The traffic generation has not been issued") + if self._received == u"0": + raise RuntimeError(u"No traffic forwarded") - def partial_traffic_loss_accepted(self, loss_acceptance, - loss_acceptance_type): + def partial_traffic_loss_accepted( + self, loss_acceptance, loss_acceptance_type): """Fail if loss is higher then accepted in traffic run. :param loss_acceptance: Permitted drop ratio or frames count. @@ -628,21 +640,23 @@ class TrafficGenerator(AbstractMeasurer): :raises Exception: If loss is above acceptance criteria. """ if self._loss is None: - raise Exception('The traffic generation has not been issued') + raise Exception(u"The traffic generation has not been issued") - if loss_acceptance_type == 'percentage': + if loss_acceptance_type == u"percentage": loss = (float(self._loss) / float(self._sent)) * 100 - elif loss_acceptance_type == 'frames': + elif loss_acceptance_type == u"frames": loss = float(self._loss) else: - raise Exception('Loss acceptance type not supported') + raise Exception(u"Loss acceptance type not supported") if loss > float(loss_acceptance): - raise Exception("Traffic loss {} above loss acceptance: {}".format( - loss, loss_acceptance)) + raise Exception( + f"Traffic loss {loss} above loss acceptance: {loss_acceptance}" + ) - def set_rate_provider_defaults(self, frame_size, traffic_profile, - warmup_time=0.0, traffic_directions=2): + def set_rate_provider_defaults( + self, frame_size, traffic_profile, warmup_time=0.0, + traffic_directions=2): """Store values accessed by measure(). :param frame_size: Frame size identifier or value [B]. @@ -686,7 +700,8 @@ class TrafficGenerator(AbstractMeasurer): transmit_count = int(self.get_sent()) loss_count = int(self.get_loss()) measurement = ReceiveRateMeasurement( - duration, transmit_rate, transmit_count, loss_count) + duration, transmit_rate, transmit_count, loss_count + ) measurement.latency = self.get_latency_int() return measurement @@ -709,15 +724,16 @@ class TrafficGenerator(AbstractMeasurer): transmit_rate = float(transmit_rate) # TG needs target Tr per stream, but reports aggregate Tx and Dx. unit_rate_int = transmit_rate / float(self.traffic_directions) - unit_rate_str = str(unit_rate_int) + "pps" + unit_rate_str = str(unit_rate_int) + u"pps" self.send_traffic_on_tg( duration, unit_rate_str, self.frame_size, self.traffic_profile, warmup_time=self.warmup_time, latency=True, - traffic_directions=self.traffic_directions) + traffic_directions=self.traffic_directions + ) return self.get_measurement_result(duration, transmit_rate) -class OptimizedSearch(object): +class OptimizedSearch: """Class to be imported as Robot Library, containing search keywords. Aside of setting up measurer and forwarding arguments, @@ -777,7 +793,8 @@ class OptimizedSearch(object): # we need instance of TrafficGenerator instantiated by Robot Framework # to be able to use trex_stl-*() tg_instance = BuiltIn().get_library_instance( - 'resources.libraries.python.TrafficGenerator') + u"resources.libraries.python.TrafficGenerator" + ) tg_instance.set_rate_provider_defaults( frame_size, traffic_profile, traffic_directions=traffic_directions) algorithm = MultipleLossRatioSearch( @@ -785,9 +802,11 @@ class OptimizedSearch(object): final_relative_width=final_relative_width, number_of_intermediate_phases=number_of_intermediate_phases, initial_trial_duration=initial_trial_duration, timeout=timeout, - doublings=doublings) + doublings=doublings + ) result = algorithm.narrow_down_ndr_and_pdr( - minimum_transmit_rate, maximum_transmit_rate, packet_loss_ratio) + minimum_transmit_rate, maximum_transmit_rate, packet_loss_ratio + ) return result @staticmethod @@ -814,6 +833,7 @@ class OptimizedSearch(object): This is needed because initial "search" phase of integrator takes significant time even without any trial results. :param timeout: The search will stop after this overall time [s]. + :param trace_enabled: True if trace enabled else False. :param traffic_directions: Traffic is bi- (2) or uni- (1) directional. Default: 2 :type frame_size: str or int @@ -823,6 +843,7 @@ class OptimizedSearch(object): :type plr_target: float :type initial_count: int :type timeout: float + :type trace_enabled: bool :type traffic_directions: int :returns: Average and stdev of estimated aggregate rate giving PLR. :rtype: 2-tuple of float @@ -830,13 +851,15 @@ class OptimizedSearch(object): minimum_transmit_rate *= traffic_directions maximum_transmit_rate *= traffic_directions tg_instance = BuiltIn().get_library_instance( - 'resources.libraries.python.TrafficGenerator') + u"resources.libraries.python.TrafficGenerator" + ) tg_instance.set_rate_provider_defaults( frame_size, traffic_profile, traffic_directions=traffic_directions) algorithm = PLRsearch( measurer=tg_instance, trial_duration_per_trial=tdpt, packet_loss_ratio_target=plr_target, trial_number_offset=initial_count, timeout=timeout, - trace_enabled=trace_enabled) + trace_enabled=trace_enabled + ) result = algorithm.search(minimum_transmit_rate, maximum_transmit_rate) return result |