1 # Copyright 2015-2016 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 """RFC2544 Traffic Controller implementation.
16 from core.traffic_controller import TrafficController
17 from core.results.results import IResults
18 from conf import settings
21 class TrafficControllerRFC2544(TrafficController, IResults):
22 """Traffic controller for RFC2544 traffic
24 Used to setup and control a traffic generator for an RFC2544 deployment
28 def __init__(self, traffic_gen_class):
29 """Initialise the trafficgen and store.
31 :param traffic_gen_class: The traffic generator class to be used.
33 super(TrafficControllerRFC2544, self).__init__(traffic_gen_class)
34 self._type = 'rfc2544'
35 self._tests = int(settings.getValue('TRAFFICGEN_RFC2544_TESTS'))
37 def send_traffic(self, traffic):
38 """See TrafficController for description
40 if not self.traffic_required():
42 self._logger.debug('send_traffic with ' +
43 str(self._traffic_gen_class))
45 for packet_size in self._packet_sizes:
46 # Merge framesize with the default traffic definition
48 traffic['l2'] = dict(traffic['l2'],
49 **{'framesize': packet_size})
51 traffic['l2'] = {'framesize': packet_size}
53 if traffic['traffic_type'] == 'back2back':
54 result = self._traffic_gen_class.send_rfc2544_back2back(
55 traffic, tests=self._tests, duration=self._duration, lossrate=self._lossrate)
56 elif traffic['traffic_type'] == 'continuous':
57 result = self._traffic_gen_class.send_cont_traffic(
58 traffic, duration=self._duration)
60 result = self._traffic_gen_class.send_rfc2544_throughput(
61 traffic, tests=self._tests, duration=self._duration, lossrate=self._lossrate)
63 result = self._append_results(result, packet_size)
64 self._results.append(result)
66 def send_traffic_async(self, traffic, function):
67 """See TrafficController for description
69 if not self.traffic_required():
71 self._logger.debug('send_traffic_async with ' +
72 str(self._traffic_gen_class))
74 for packet_size in self._packet_sizes:
75 traffic['l2'] = {'framesize': packet_size}
76 self._traffic_gen_class.start_rfc2544_throughput(
79 duration=self._duration)
80 self._traffic_started = True
81 if len(function['args']) > 0:
82 function['function'](function['args'])
84 function['function']()
85 result = self._traffic_gen_class.wait_rfc2544_throughput()
86 result = self._append_results(result, packet_size)
87 self._results.append(result)