diff options
Diffstat (limited to 'yardstick/network_services/traffic_profile/prox_mpls_tag_untag.py')
| -rw-r--r-- | yardstick/network_services/traffic_profile/prox_mpls_tag_untag.py | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/yardstick/network_services/traffic_profile/prox_mpls_tag_untag.py b/yardstick/network_services/traffic_profile/prox_mpls_tag_untag.py deleted file mode 100644 index 0e1048b5d..000000000 --- a/yardstick/network_services/traffic_profile/prox_mpls_tag_untag.py +++ /dev/null @@ -1,99 +0,0 @@ -# Copyright (c) 2016-2017 Intel Corporation -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -""" Fixed traffic profile definitions """ - -from __future__ import absolute_import - -import logging - -from yardstick.network_services.traffic_profile.prox_profile import ProxProfile - -LOG = logging.getLogger(__name__) - - -class ProxMplsTagUntagProfile(ProxProfile): - """ - This profile adds a single stream at the beginning of the traffic session - """ - - def __init__(self, tp_config): - super(ProxMplsTagUntagProfile, self).__init__(tp_config) - self.current_lower = self.lower_bound - self.current_upper = self.upper_bound - - @property - def delta(self): - return self.current_upper - self.current_lower - - @property - def mid_point(self): - return (self.current_lower + self.current_upper) / 2 - - def bounds_iterator(self, logger=None): - self.current_lower = self.lower_bound - self.current_upper = self.upper_bound - - test_value = self.current_upper - while abs(self.delta) >= self.precision: - if logger: - logger.debug("New interval [%s, %s), precision: %d", self.current_lower, - self.current_upper, self.step_value) - logger.info("Testing with value %s", test_value) - - yield test_value - test_value = self.mid_point - - def run_test_with_pkt_size(self, traffic_gen, pkt_size, duration): - """Run the test for a single packet size. - - :param traffic_gen: traffic generator instance - :type traffic_gen: TrafficGen - :param pkt_size: The packet size to test with. - :type pkt_size: int - :param duration: The duration for each try. - :type duration: int - - """ - - LOG.info("Testing with packet size %d", pkt_size) - - # Binary search assumes the lower value of the interval is - # successful and the upper value is a failure. - # The first value that is tested, is the maximum value. If that - # succeeds, no more searching is needed. If it fails, a regular - # binary search is performed. - # - # The test_value used for the first iteration of binary search - # is adjusted so that the delta between this test_value and the - # upper bound is a power-of-2 multiple of precision. In the - # optimistic situation where this first test_value results in a - # success, the binary search will complete on an integer multiple - # of the precision, rather than on a fraction of it. - - # throughput and packet loss from the most recent successful test - successful_pkt_loss = 0.0 - for test_value in self.bounds_iterator(LOG): - result, port_samples = self._profile_helper.run_test(pkt_size, duration, - test_value, self.tolerated_loss) - - if result.success: - LOG.debug("Success! Increasing lower bound") - self.current_lower = test_value - successful_pkt_loss = result.pkt_loss - else: - LOG.debug("Failure... Decreasing upper bound") - self.current_upper = test_value - - samples = result.get_samples(pkt_size, successful_pkt_loss, port_samples) - self.queue.put(samples) |