1 # Copyright 2015 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.
18 from core.traffic_controller import ITrafficController
19 from core.results.results_constants import ResultsConstants
20 from core.results.results import IResults
21 from conf import settings
22 from conf import get_test_param
25 class TrafficControllerRFC2544(ITrafficController, IResults):
26 """Traffic controller for RFC2544 traffic
28 Used to setup and control a traffic generator for an RFC2544 deployment
32 def __init__(self, traffic_gen_class):
33 """Initialise the trafficgen and store.
35 :param traffic_gen_class: The traffic generator class to be used.
37 self._logger = logging.getLogger(__name__)
38 self._logger.debug("__init__")
39 self._traffic_gen_class = traffic_gen_class()
40 self._traffic_started = False
41 self._traffic_started_call_count = 0
42 self._packet_sizes = settings.getValue('TRAFFICGEN_PKT_SIZES')
43 self._trials = get_test_param('rfc2544_trials', 1)
47 """Call initialisation function.
49 self._traffic_gen_class.connect()
51 def __exit__(self, type_, value, traceback):
52 """Stop traffic, clean up.
54 if self._traffic_started:
58 def _append_results(result_dict, packet_size):
59 """Adds common values to traffic generator results.
61 :param result_dict: Dictionary containing results from trafficgen
62 :param packet_size: Packet size value.
64 :returns: dictionary of results with addictional entries.
67 ret_value = result_dict
69 #TODO Old TOIT controller had knowledge about scenario beeing
70 #executed, should new controller also fill Configuration & ID,
71 # or this should be passed to TestCase?
72 ret_value[ResultsConstants.TYPE] = 'rfc2544'
73 ret_value[ResultsConstants.PACKET_SIZE] = str(packet_size)
77 def send_traffic(self, traffic):
78 """See ITrafficController for description
80 self._logger.debug('send_traffic with ' +
81 str(self._traffic_gen_class))
83 for packet_size in self._packet_sizes:
84 traffic['l2'] = {'framesize': packet_size}
85 if traffic['traffic_type'] == 'back2back':
86 result = self._traffic_gen_class.send_rfc2544_back2back(
87 traffic, trials=int(self._trials),
88 duration=int(get_test_param('rfc2544_duration', 20)))
89 elif traffic['traffic_type'] == 'continuous':
90 result = self._traffic_gen_class.send_cont_traffic(
91 traffic, time=int(get_test_param('rfc2544_duration', 30)))
93 result = self._traffic_gen_class.send_rfc2544_throughput(
94 traffic, trials=int(self._trials),
95 duration=int(get_test_param('rfc2544_duration', 20)))
97 result = TrafficControllerRFC2544._append_results(result,
99 self._results.append(result)
101 def send_traffic_async(self, traffic, function):
102 """See ITrafficController for description
104 self._logger.debug('send_traffic_async with ' +
105 str(self._traffic_gen_class))
107 for packet_size in self._packet_sizes:
108 traffic['l2'] = {'framesize': packet_size}
109 self._traffic_gen_class.start_rfc2544_throughput(
111 trials=int(self._trials),
112 duration=int(get_test_param('rfc2544_duration', 20)))
113 self._traffic_started = True
114 if len(function['args']) > 0:
115 function['function'](function['args'])
117 function['function']()
118 result = self._traffic_gen_class.wait_rfc2544_throughput()
119 result = TrafficControllerRFC2544._append_results(result,
121 self._results.append(result)
123 def stop_traffic(self):
124 """Kills traffic being sent from the traffic generator.
126 self._logger.debug("stop_traffic()")
128 def print_results(self):
129 """IResult interface implementation.
132 for item in self._results:
133 logging.info("Record: " + str(counter))
135 for(key, value) in list(item.items()):
136 logging.info(" Key: " + str(key) +
137 ", Value: " + str(value))
140 def get_results(self):
141 """IResult interface implementation.