X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FTrafficGenerator.py;h=ee65c1bf2afc08444136d32592a853cdb33b7c6a;hp=e7c8c4829ae6bd575bb4256ce048bb4eb8edfae3;hb=39b4a07718ecab94ea331362edb62dfcf678bd09;hpb=6e9d38fbad8198f8647e3e71d12b5859490c21f2

diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index e7c8c4829a..ee65c1bf2a 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -22,8 +22,8 @@ from .ssh import SSH
 from .topology import NodeType
 from .topology import NodeSubTypeTG
 from .topology import Topology
-from .search.AbstractRateProvider import AbstractRateProvider
-from .search.OptimizedSearchAlgorithm import OptimizedSearchAlgorithm
+from .search.AbstractMeasurer import AbstractMeasurer
+from .search.MultipleLossRatioSearch import MultipleLossRatioSearch
 from .search.ReceiveRateMeasurement import ReceiveRateMeasurement
 
 __all__ = ['TGDropRateSearchImpl', 'TrafficGenerator', 'OptimizedSearch']
@@ -101,7 +101,7 @@ class TGDropRateSearchImpl(DropRateSearch):
         return tg_instance.get_latency_int()
 
 
-class TrafficGenerator(AbstractRateProvider):
+class TrafficGenerator(AbstractMeasurer):
     """Traffic Generator.
 
     FIXME: Describe API."""
@@ -597,9 +597,9 @@ class TrafficGenerator(AbstractRateProvider):
             duration, unit_rate, self.frame_size, self.traffic_type,
             self.warmup_time, latency=True)
         transmit_count = int(self.get_sent())
-        drop_count = int(self.get_loss())
+        loss_count = int(self.get_loss())
         measurement = ReceiveRateMeasurement(
-            duration, transmit_rate, transmit_count, drop_count)
+            duration, transmit_rate, transmit_count, loss_count)
         measurement.latency = self.get_latency_int()
         return measurement
 
@@ -609,38 +609,41 @@ class OptimizedSearch(object):
 
     @staticmethod
     def perform_optimized_ndrpdr_search(
-            frame_size, traffic_type, fail_rate, line_rate,
-            allowed_drop_fraction=0.005, final_relative_width=0.005,
-            final_trial_duration=30.0, initial_trial_duration=1.0,
-            intermediate_phases=2, timeout=600.0):
+            frame_size, traffic_type, minimum_transmit_rate,
+            maximum_transmit_rate, packet_loss_ratio=0.005,
+            final_relative_width=0.005, final_trial_duration=30.0,
+            initial_trial_duration=1.0, number_of_intermediate_phases=2,
+            timeout=600.0):
         """Setup initialized TG, perform optimized search, return intervals.
 
         :param frame_size: Frame size identifier or value [B].
         :param traffic_type: Module name as a traffic type identifier.
             See resources/traffic_profiles/trex for implemented modules.
-        :param fail_rate: Minimal target transmit rate [pps].
-        :param line_rate: Maximal target transmit rate [pps].
-        :param allowed_drop_fraction: Fraction of dropped packets for PDR [1].
+        :param minimum_transmit_rate: Minimal bidirectional
+            target transmit rate [pps].
+        :param maximum_transmit_rate: Maximal bidirectional
+            target transmit rate [pps].
+        :param packet_loss_ratio: Fraction of packets lost, for PDR [1].
         :param final_relative_width: Final lower bound transmit rate
             cannot be more distant that this multiple of upper bound [1].
         :param final_trial_duration: Trial duration for the final phase [s].
         :param initial_trial_duration: Trial duration for the initial phase
             and also for the first intermediate phase [s].
-        :param intermediate_phases: Number of intermediate phases to perform
-            before the final phase [1].
+        :param number_of_intermediate_phases: Number of intermediate phases
+            to perform before the final phase [1].
         :param timeout: The search will fail itself when not finished
             before this overall time [s].
         :type frame_size: str or int
         :type traffic_type: str
-        :type fail_rate: float
-        :type line_rate: float
-        :type allowed_drop_fraction: float
+        :type minimum_transmit_rate: float
+        :type maximum_transmit_rate: float
+        :type packet_loss_ratio: float
         :type final_relative_width: float
         :type final_trial_duration: float
         :type initial_trial_duration: float
-        :type intermediate_phases: int
+        :type number_of_intermediate_phases: int
         :type timeout: float
-        :returns: Structure containing narrowed down intervals
+        :returns: Structure containing narrowed down NDR and PDR intervals
             and their measurements.
         :rtype: NdrPdrResult
         :raises RuntimeError: If total duration is larger than timeout.
@@ -650,11 +653,11 @@ class OptimizedSearch(object):
         tg_instance = BuiltIn().get_library_instance(
             'resources.libraries.python.TrafficGenerator')
         tg_instance.set_rate_provider_defaults(frame_size, traffic_type)
-        algorithm = OptimizedSearchAlgorithm(
-            tg_instance, final_trial_duration=final_trial_duration,
+        algorithm = MultipleLossRatioSearch(
+            measurer=tg_instance, final_trial_duration=final_trial_duration,
             final_relative_width=final_relative_width,
-            intermediate_phases=intermediate_phases,
+            number_of_intermediate_phases=number_of_intermediate_phases,
             initial_trial_duration=initial_trial_duration, timeout=timeout)
         result = algorithm.narrow_down_ndr_and_pdr(
-            fail_rate, line_rate, allowed_drop_fraction)
+            minimum_transmit_rate, maximum_transmit_rate, packet_loss_ratio)
         return result