blob: 9ded59a041470ecef7dd513349e5a6651a5c1da7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#!/usr/bin/python3
# Copyright (c) 2019 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
"""
import sys
import json
sys.path.insert(0, "/opt/trex-core-2.54/scripts/automation/"+\
"trex_control_plane/interactive/")
from trex.stl.api import *
def main():
"""Stop traffic if any is running."""
client = STLClient()
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=(',', ': ')))
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(ex_error, file=sys.stderr)
sys.exit(1)
finally:
client.disconnect()
if __name__ == "__main__":
main()
|
