X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Ftools%2Ftrex%2Ftrex_stateless_stop.py;fp=resources%2Ftools%2Ftrex%2Ftrex_stateless_stop.py;h=0000000000000000000000000000000000000000;hp=5e8721d28c72a1736c42c23c4a470af363d3f3f3;hb=79f5ba9bf7656972dd988508eff9465562dde42c;hpb=16ef90a2415aa3b65341fdb6517cf58721bfff7a diff --git a/resources/tools/trex/trex_stateless_stop.py b/resources/tools/trex/trex_stateless_stop.py deleted file mode 100755 index 5e8721d28c..0000000000 --- a/resources/tools/trex/trex_stateless_stop.py +++ /dev/null @@ -1,104 +0,0 @@ -#!/usr/bin/python3 - -# Copyright (c) 2020 Cisco and/or its affiliates. -# 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. - -"""This script uses T-REX stateless API to drive t-rex instance. - -Requirements: -- T-REX: https://github.com/cisco-system-traffic-generator/trex-core - - compiled and running T-REX process (eg. ./t-rex-64 -i) - - trex.stl.api library -- Script must be executed on a node with T-REX instance - -Functionality: -1. Stop any running traffic -2. Optionally restore reference counter values. -3. Return conter differences. -""" - -import argparse -import json -import sys - -from collections import OrderedDict # Needed to parse xstats representation. - -sys.path.insert( - 0, u"/opt/trex-core-2.73/scripts/automation/trex_control_plane/interactive/" -) -from trex.stl.api import * - - -def main(): - """Stop traffic if any is running. Report xstats.""" - parser = argparse.ArgumentParser() - parser.add_argument( - u"--xstat0", type=str, default=u"", - help=u"Reference xstat object if any." - ) - parser.add_argument( - u"--xstat1", type=str, default=u"", - help=u"Reference xstat object if any." - ) - args = parser.parse_args() - - client = STLClient() - try: - # connect to server - client.connect() - - client.acquire(force=True) - # TODO: Support unidirection. - client.stop(ports=[0, 1]) - - # Read the stats after the test, - # we need to update values before the last trial started. - if args.xstat0: - snapshot = eval(args.xstat0) - client.ports[0].get_xstats().reference_stats = snapshot - if args.xstat1: - snapshot = eval(args.xstat1) - client.ports[1].get_xstats().reference_stats = snapshot - # Now we can call the official method to get differences. - xstats0 = client.get_xstats(0) - xstats1 = client.get_xstats(1) - - # If STLError happens, let the script fail with stack trace. - finally: - client.disconnect() - - print(u"##### statistics port 0 #####") - print(json.dumps(xstats0, indent=4, separators=(u",", u": "))) - print(u"##### statistics port 1 #####") - print(json.dumps(xstats1, indent=4, separators=(u",", u": "))) - - tx_0, rx_0 = xstats0[u"tx_good_packets"], xstats0[u"rx_good_packets"] - tx_1, rx_1 = xstats1[u"tx_good_packets"], xstats1[u"rx_good_packets"] - lost_a, lost_b = tx_0 - rx_1, tx_1 - rx_0 - - print(f"\npackets lost from 0 --> 1: {lost_a} pkts") - print(f"packets lost from 1 --> 0: {lost_b} pkts") - - total_rcvd, total_sent = rx_0 + rx_1, tx_0 + tx_1 - total_lost = total_sent - total_rcvd - # TODO: Add latency. - print( - f"rate='unknown', totalReceived={total_rcvd}, totalSent={total_sent}, " - f"frameLoss={total_lost}, targetDuration='manual', " - f"approximatedDuration='manual', approximatedRate='unknown', " - f"latencyStream0(usec)=-1/-1/-1, latencyStream1(usec)=-1/-1/-1" - ) - - -if __name__ == u"__main__": - main()