1 # Copyright (c) 2016-2017 Intel Corporation
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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 """ Fixed traffic profile definitions """
16 from __future__ import absolute_import
20 from yardstick.network_services.traffic_profile.base import TrafficProfile
22 LOG = logging.getLogger(__name__)
25 class ProxProfile(TrafficProfile):
27 This profile adds a single stream at the beginning of the traffic session
31 def fill_samples(samples, traffic_gen):
32 for vpci_idx, intf in enumerate(traffic_gen.vpci_if_name_ascending):
34 # TODO: VNFDs KPIs values needs to be mapped to TRex structure
35 xe_port = traffic_gen.resource_helper.sut.port_stats([vpci_idx])
37 "in_packets": xe_port[6],
38 "out_packets": xe_port[7],
41 def __init__(self, tp_config):
42 super(ProxProfile, self).__init__(tp_config)
47 # TODO: get init values from tp_config
48 self.prox_config = tp_config["traffic_profile"]
49 self.pkt_sizes = [int(x) for x in self.prox_config.get("packet_sizes", [])]
50 self.pkt_size_iterator = iter(self.pkt_sizes)
51 self.duration = int(self.prox_config.get("duration", 5))
52 self.precision = float(self.prox_config.get('test_precision', 1.0))
53 self.tolerated_loss = float(self.prox_config.get('tolerated_loss', 0.0))
55 # TODO: is this ever a function of packet size?
56 self.lower_bound = float(self.prox_config.get('lower_bound', 10.0))
57 self.upper_bound = float(self.prox_config.get('upper_bound', 100.0))
58 self.step_value = float(self.prox_config.get('step_value', 10.0))
60 def init(self, queue):
61 self.pkt_size_iterator = iter(self.pkt_sizes)
64 def bounds_iterator(self, logger=None):
66 logger.debug("Interval [%s, %s), step: %d", self.lower_bound,
67 self.upper_bound, self.step_value)
69 test_value = self.lower_bound
70 while test_value <= self.upper_bound:
72 logger.info("Testing with value %s", test_value)
74 test_value += self.step_value
77 def min_pkt_size(self):
78 """Return the minimum required packet size for the test.
80 Defaults to 64. Individual test must override this method if they have
84 int. The minimum required packet size for the test.
88 def run_test_with_pkt_size(self, traffic_generator, pkt_size, duration):
89 raise NotImplementedError
91 def execute_traffic(self, traffic_generator):
93 pkt_size = next(self.pkt_size_iterator)
98 # Adjust packet size upwards if it's less than the minimum
99 # required packet size for the test.
100 if pkt_size < self.min_pkt_size:
101 pkt_size += self.min_pkt_size - 64
103 duration = self.duration
104 self.run_test_with_pkt_size(traffic_generator, pkt_size, duration)