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+# Copyright 2015 Spirent Communications.
+#
+# 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.
+
+"""
+Code to integrate Spirent TestCenter with the vsperf test framework.
+
+Provides a model for Spirent TestCenter as a test tool for implementing
+various performance tests of a virtual switch.
+"""
+
+from __future__ import print_function
+
+from tools.pkt_gen import trafficgen
+from core.results.results_constants import ResultsConstants
+import subprocess
+import os
+import csv
+from conf import settings
+
+
+class TestCenter(trafficgen.ITrafficGenerator):
+ """
+ Spirent TestCenter
+ """
+ def connect(self):
+ """
+ Do nothing.
+ """
+ return self
+
+ def disconnect(self):
+ """
+ Do nothing.
+ """
+ pass
+
+ def send_burst_traffic(self, traffic=None, numpkts=100, time=20, framerate=100):
+ """
+ Do nothing.
+ """
+ return None
+
+ def send_cont_traffic(self, traffic=None, time=20, framerate=0,
+ multistream=False):
+ """
+ Do nothing.
+ """
+ return None
+
+ def send_rfc2544_throughput(self, traffic=None, trials=3, duration=20,
+ lossrate=0.0, multistream=False):
+ """
+ Send traffic per RFC2544 throughput test specifications.
+ """
+ verbose = False
+
+ args = [settings.getValue("TRAFFICGEN_STC_PYTHON2_PATH"),
+ os.path.join(settings.getValue("TRAFFICGEN_STC_TESTCENTER_PATH"),
+ settings.getValue("TRAFFICGEN_STC_RFC2544_TPUT_TEST_FILE_NAME")),
+ "--lab_server_addr",
+ settings.getValue("TRAFFICGEN_STC_LAB_SERVER_ADDR"),
+ "--license_server_addr",
+ settings.getValue("TRAFFICGEN_STC_LICENSE_SERVER_ADDR"),
+ "--east_chassis_addr",
+ settings.getValue("TRAFFICGEN_STC_EAST_CHASSIS_ADDR"),
+ "--east_slot_num",
+ settings.getValue("TRAFFICGEN_STC_EAST_SLOT_NUM"),
+ "--east_port_num",
+ settings.getValue("TRAFFICGEN_STC_EAST_PORT_NUM"),
+ "--west_chassis_addr",
+ settings.getValue("TRAFFICGEN_STC_WEST_CHASSIS_ADDR"),
+ "--west_slot_num",
+ settings.getValue("TRAFFICGEN_STC_WEST_SLOT_NUM"),
+ "--west_port_num",
+ settings.getValue("TRAFFICGEN_STC_WEST_PORT_NUM"),
+ "--test_session_name",
+ settings.getValue("TRAFFICGEN_STC_TEST_SESSION_NAME"),
+ "--results_dir",
+ settings.getValue("TRAFFICGEN_STC_RESULTS_DIR"),
+ "--csv_results_file_prefix",
+ settings.getValue("TRAFFICGEN_STC_CSV_RESULTS_FILE_PREFIX"),
+ "--num_trials",
+ settings.getValue("TRAFFICGEN_STC_NUMBER_OF_TRIALS"),
+ "--trial_duration_sec",
+ settings.getValue("TRAFFICGEN_STC_TRIAL_DURATION_SEC"),
+ "--traffic_pattern",
+ settings.getValue("TRAFFICGEN_STC_TRAFFIC_PATTERN"),
+ "--search_mode",
+ settings.getValue("TRAFFICGEN_STC_SEARCH_MODE"),
+ "--learning_mode",
+ settings.getValue("TRAFFICGEN_STC_LEARNING_MODE"),
+ "--rate_lower_limit_pct",
+ settings.getValue("TRAFFICGEN_STC_RATE_LOWER_LIMIT_PCT"),
+ "--rate_upper_limit_pct",
+ settings.getValue("TRAFFICGEN_STC_RATE_UPPER_LIMIT_PCT"),
+ "--rate_initial_pct",
+ settings.getValue("TRAFFICGEN_STC_RATE_INITIAL_PCT"),
+ "--rate_step_pct",
+ settings.getValue("TRAFFICGEN_STC_RATE_STEP_PCT"),
+ "--resolution_pct",
+ settings.getValue("TRAFFICGEN_STC_RESOLUTION_PCT"),
+ "--frame_size_list",
+ settings.getValue("TRAFFICGEN_STC_FRAME_SIZE"),
+ "--acceptable_frame_loss_pct",
+ settings.getValue("TRAFFICGEN_STC_ACCEPTABLE_FRAME_LOSS_PCT"),
+ "--east_intf_addr",
+ settings.getValue("TRAFFICGEN_STC_EAST_INTF_ADDR"),
+ "--east_intf_gateway_addr",
+ settings.getValue("TRAFFICGEN_STC_EAST_INTF_GATEWAY_ADDR"),
+ "--west_intf_addr",
+ settings.getValue("TRAFFICGEN_STC_WEST_INTF_ADDR"),
+ "--west_intf_gateway_addr",
+ settings.getValue("TRAFFICGEN_STC_WEST_INTF_GATEWAY_ADDR")]
+ if settings.getValue("TRAFFICGEN_STC_VERBOSE") is "True":
+ args.append("--verbose")
+ verbose = True
+ print("Arguments used to call test: %s" % args)
+
+ subprocess.check_call(args)
+
+ file = os.path.join(settings.getValue("TRAFFICGEN_STC_RESULTS_DIR"),
+ settings.getValue("TRAFFICGEN_STC_CSV_RESULTS_FILE_PREFIX") + ".csv")
+ if verbose:
+ print("file: %s" % file)
+
+ result = {}
+
+ with open(file, "r") as csvfile:
+ csvreader = csv.DictReader(csvfile)
+ for row in csvreader:
+ print("Row: %s" % row)
+ result[ResultsConstants.THROUGHPUT_TX_FPS] = 0.0
+ result[ResultsConstants.THROUGHPUT_RX_FPS] = 0.0
+ result[ResultsConstants.THROUGHPUT_TX_MBPS] = 0.0
+ result[ResultsConstants.THROUGHPUT_RX_MBPS] = 0.0
+ result[ResultsConstants.THROUGHPUT_TX_PERCENT] = float(row["OfferedLoad(%)"])
+ result[ResultsConstants.THROUGHPUT_RX_PERCENT] = float(row["Throughput(%)"])
+ result[ResultsConstants.MIN_LATENCY_NS] = float(row["MinimumLatency(us)"]) * 1000
+ result[ResultsConstants.MAX_LATENCY_NS] = float(row["MaximumLatency(us)"]) * 1000
+ result[ResultsConstants.AVG_LATENCY_NS] = float(row["AverageLatency(us)"]) * 1000
+ return result
+
+if __name__ == '__main__':
+ TRAFFIC = {
+ 'l3': {
+ 'proto': 'tcp',
+ 'srcip': '1.1.1.1',
+ 'dstip': '90.90.90.90',
+ },
+ }
+
+ with TestCenter() as dev:
+ print(dev.send_rfc2544_throughput(traffic=TRAFFIC))