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authorTibor Frank <tifrank@cisco.com>2017-06-20 13:57:08 +0200
committerTibor Frank <tifrank@cisco.com>2017-06-29 12:17:28 +0000
commit6721e7f09aa95bff6622068332a3f56afad9c87b (patch)
tree37ef7f40e53f740a62830ab46142aa87342dc56b /resources/tools/trex/trex_stateless_stop.py
parent859157b5db45927c7b4bb0b2d575e68805777a86 (diff)
CSIT-687: Directory structure reorganization
Change-Id: I772c9e214be2461adf58124998d272e7d795220f Signed-off-by: Tibor Frank <tifrank@cisco.com> Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com>
Diffstat (limited to 'resources/tools/trex/trex_stateless_stop.py')
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1 files changed, 91 insertions, 0 deletions
diff --git a/resources/tools/trex/trex_stateless_stop.py b/resources/tools/trex/trex_stateless_stop.py
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+++ b/resources/tools/trex/trex_stateless_stop.py
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+#!/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
+import json
+
+sys.path.insert(0, "/opt/trex-core-2.25/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(verbose_level=LoggerApi.VERBOSE_QUIET)
+
+ try:
+ # 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"]
+
+ 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()