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Diffstat (limited to 'resources/tools/t-rex/t-rex-stateless-stop.py')
-rwxr-xr-x | resources/tools/t-rex/t-rex-stateless-stop.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/resources/tools/t-rex/t-rex-stateless-stop.py b/resources/tools/t-rex/t-rex-stateless-stop.py new file mode 100755 index 0000000000..e9accbe3ab --- /dev/null +++ b/resources/tools/t-rex/t-rex-stateless-stop.py @@ -0,0 +1,97 @@ +#!/usr/bin/python + +# Copyright (c) 2016 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 -c 4) + - trex_stl_lib.api library +- Script must be executed on a node with T-REX instance + +Functionality: +1. Stop any running traffic + +""" + +import sys + +sys.path.insert(0, "/opt/trex-core-2.00/scripts/automation/"+\ + "trex_control_plane/stl/") +from trex_stl_lib.api import * + + +def stop_all_traffic_streams(): + """Stop traffic if any is running. + + :return: nothing + """ + + # create client + client = STLClient() + + try: + # turn this off if too many logs + #client.set_verbose("high") + + # connect to server + client.connect() + + client.acquire(force=True) + client.stop(ports=[0, 1]) + + # read the stats after the test + stats = client.get_stats() + + print "#####statistics (approx.)#####" + print json.dumps(stats, indent=4, + separators=(',', ': '), sort_keys=True) + + lost_a = stats[0]["opackets"] - stats[1]["ipackets"] + lost_b = stats[1]["opackets"] - stats[0]["ipackets"] + + total_sent = stats[0]["opackets"] + stats[1]["opackets"] + total_rcvd = stats[0]["ipackets"] + stats[1]["ipackets"] + + print "\npackets lost from 0 --> 1: {0} pkts".format(lost_a) + print "packets lost from 1 --> 0: {0} pkts".format(lost_b) + + except STLError as ex_error: + print_error(str(ex_error)) + sys.exit(1) + + finally: + client.disconnect() + + + +def print_error(msg): + """Print error message on stderr. + + :param msg: Error message to print. + :type msg: string + :return: nothing + """ + + sys.stderr.write(msg+'\n') + + +def main(): + """Main function.""" + + stop_all_traffic_streams() + +if __name__ == "__main__": + main() |