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authorMiroslav Miklus <mmiklus@cisco.com>2016-05-13 00:35:53 +0200
committerMiroslav Miklus <mmiklus@cisco.com>2016-05-18 09:01:05 +0000
commit180d17939d123c04bf142cedf02daa325e3f4fa6 (patch)
treee4dd5b1ed815f3e33cecc0da4a7e150f01b2d8ad /resources/tools
parent824fb1d6a1d94636d7a73ad6b1fc69fabf8efad7 (diff)
T-REX stl traffic send improvement for async calls
JIRA: CSIT-68 - show runtime statistics with running traffic - T-REX driver async. driver Change-Id: Ie5eb7021f610fb58383b033dda5b1b867f7d3d2c Signed-off-by: Miroslav Miklus <mmiklus@cisco.com>
Diffstat (limited to 'resources/tools')
-rwxr-xr-xresources/tools/t-rex/t-rex-stateless-stop.py97
-rwxr-xr-xresources/tools/t-rex/t-rex-stateless.py174
2 files changed, 185 insertions, 86 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()
diff --git a/resources/tools/t-rex/t-rex-stateless.py b/resources/tools/t-rex/t-rex-stateless.py
index 97ccc97304..5a03273339 100755
--- a/resources/tools/t-rex/t-rex-stateless.py
+++ b/resources/tools/t-rex/t-rex-stateless.py
@@ -41,11 +41,12 @@ Functionality:
"""
+import argparse
import json
import socket
import string
import struct
-import sys, getopt
+import sys
sys.path.insert(0, "/opt/trex-core-2.00/scripts/automation/"+\
"trex_control_plane/stl/")
@@ -216,19 +217,21 @@ def create_packets_v6(traffic_options, frame_size=78):
return(pkt_a, pkt_b)
-def simple_burst(pkt_a, pkt_b, duration=10, rate="1mpps", warmup_time=5):
+def simple_burst(pkt_a, pkt_b, duration, rate, warmup_time, async_start):
"""Run the traffic with specific parameters.
:param pkt_a: Base packet for stream 1.
:param pkt_b: Base packet for stream 2.
- :param duration: Duration of traffic run in seconds.
+ :param duration: Duration of traffic run in seconds (-1=infinite).
:param rate: Rate of traffic run [percentage, pps, bps].
:param warmup_time: Warm up duration.
+ :async_start: Start the traffic and exit
:type pkt_a: STLPktBuilder
:type pkt_b: STLPktBuilder
:type duration: int
:type rate: string
:type warmup_time: int
+ :type async_start: bool
:return: nothing
"""
@@ -264,7 +267,7 @@ def simple_burst(pkt_a, pkt_b, duration=10, rate="1mpps", warmup_time=5):
client.add_streams(stream2, ports=[1])
#warmup phase
- if warmup_time is not None:
+ if warmup_time > 0:
client.clear_stats()
client.start(ports=[0, 1], mult=rate, duration=warmup_time)
client.wait_on_traffic(ports=[0, 1], timeout=(warmup_time+30))
@@ -290,54 +293,37 @@ def simple_burst(pkt_a, pkt_b, duration=10, rate="1mpps", warmup_time=5):
# choose rate and start traffic
client.start(ports=[0, 1], mult=rate, duration=duration)
- # block until done
- client.wait_on_traffic(ports=[0, 1], timeout=(duration+30))
+ if not async_start:
+ # block until done
+ client.wait_on_traffic(ports=[0, 1], timeout=(duration+30))
- # read the stats after the test
- stats = client.get_stats()
+ # read the stats after the test
+ stats = client.get_stats()
- print "#####statistics#####"
- print json.dumps(stats, indent=4,
- separators=(',', ': '), sort_keys=True)
+ print "#####statistics#####"
+ 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"]
+ 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"]
+ 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)
+ 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()
- print "rate={0}, totalReceived={1}, totalSent={2}, frameLoss={3}"\
- .format(rate, total_rcvd, total_sent, lost_a+lost_b)
-
-
-def print_help():
- """Print help on stdout."""
-
- print "args: [-h] -d <duration> -s <size of frame in bytes>"+\
- " [-r] <traffic rate with unit: %, mpps> "+\
- " [-6] Use of ipv6 "+\
- "--p1_src_mac <port1_src_mac> "+\
- "--p1_dst_mac <port1_dst_mac> "+\
- "--p1_src_start_ip <port1_src_start_ip> "+\
- "--p1_src_end_ip <port1_src_end_ip> "+\
- "--p1_dst_start_ip <port1_dst_start_ip> "+\
- "--p1_dst_end_ip <port1_dst_end_ip> "+\
- "--p2_src_mac <port2_src_mac> "+\
- "--p2_dst_mac <port2_dst_mac> "+\
- "--p2_src_start_ip <port2_src_start_ip> "+\
- "--p2_src_end_ip <port2_src_end_ip> "+\
- "--p2_dst_start_ip <port2_dst_start_ip> "+\
- "--p2_dst_end_ip <port2_dst_end_ip>"
-
+ if async_start:
+ client.disconnect(stop_traffic=False, release_ports=True)
+ else:
+ client.disconnect()
+ print "rate={0}, totalReceived={1}, totalSent={2}, frameLoss={3}"\
+ .format(rate, total_rcvd, total_sent, lost_a+lost_b)
def print_error(msg):
"""Print error message on stderr.
@@ -350,53 +336,69 @@ def print_error(msg):
sys.stderr.write(msg+'\n')
-def main(argv):
+def main():
"""Main function."""
- _duration = 10
- _frame_size = 64
- _rate = '1mpps'
_traffic_options = {}
+ #default L3 profile is IPv4
_use_ipv6 = False
-
- try:
- opts, _ = getopt.getopt(argv, "hd:s:r:6o:",
- ["help",
- "p1_src_mac=",
- "p1_dst_mac=",
- "p1_src_start_ip=",
- "p1_src_end_ip=",
- "p1_dst_start_ip=",
- "p1_dst_end_ip=",
- "p2_src_mac=",
- "p2_dst_mac=",
- "p2_src_start_ip=",
- "p2_src_end_ip=",
- "p2_dst_start_ip=",
- "p2_dst_end_ip="])
- except getopt.GetoptError:
- print_help()
- sys.exit(1)
- for opt, arg in opts:
- if opt in ('-h', "--help"):
- print_help()
- sys.exit()
- elif opt == '-d':
- _duration = int(arg)
- elif opt == '-s':
- _frame_size = int(arg)
- elif opt == '-r':
- _rate = arg
- elif opt == '-6':
- _use_ipv6 = True
- elif opt.startswith("--p"):
- _traffic_options[opt[2:]] = arg
-
- print _traffic_options
- if len(_traffic_options) != 6:
- print_error("Supported only: src_start_ip, src_end_ip, dst_start_ip")
- print_help()
- sys.exit(1)
+ #default warmup time is 5 seconds
+ _warmup_time = 5
+ #default behaviour of this script is sychronous
+ _async_call = False
+
+ parser = argparse.ArgumentParser()
+ parser.add_argument("-d", "--duration", required=True, type=int,
+ help="Duration of traffic run")
+ parser.add_argument("-s", "--frame_size", required=True, type=int,
+ help="Size of a Frame without padding and IPG")
+ parser.add_argument("-r", "--rate", required=True,
+ help="Traffic rate with included units (%, pps)")
+ parser.add_argument("-6", "--use_IPv6", action="store_true",
+ help="Use IPv6 traffic profile instead of IPv4")
+ parser.add_argument("--async", action="store_true",
+ help="Non-blocking call of the script")
+ parser.add_argument("-w", "--warmup_time", type=int,
+ help="Traffic warmup time in seconds, 0 = disable")
+# parser.add_argument("--p1_src_mac",
+# help="Port 1 source MAC address")
+# parser.add_argument("--p1_dst_mac",
+# help="Port 1 destination MAC address")
+ parser.add_argument("--p1_src_start_ip", required=True,
+ help="Port 1 source start IP address")
+ parser.add_argument("--p1_src_end_ip", required=True,
+ help="Port 1 source end IP address")
+ parser.add_argument("--p1_dst_start_ip", required=True,
+ help="Port 1 destination start IP address")
+# parser.add_argument("--p1_dst_end_ip",
+# help="Port 1 destination end IP address")
+# parser.add_argument("--p2_src_mac",
+# help="Port 2 source MAC address")
+# parser.add_argument("--p2_dst_mac",
+# help="Port 2 destination MAC address")
+ parser.add_argument("--p2_src_start_ip", required=True,
+ help="Port 2 source start IP address")
+ parser.add_argument("--p2_src_end_ip", required=True,
+ help="Port 2 source end IP address")
+ parser.add_argument("--p2_dst_start_ip", required=True,
+ help="Port 2 destination start IP address")
+# parser.add_argument("--p2_dst_end_ip",
+# help="Port 2 destination end IP address")
+
+ args = parser.parse_args()
+
+ _duration = args.duration
+ _frame_size = args.frame_size
+ _rate = args.rate
+ _use_ipv6 = args.use_IPv6
+ _async_call = args.async
+
+ if args.warmup_time is not None:
+ _warmup_time = args.warmup_time
+
+ for attr in [a for a in dir(args) if a.startswith('p')]:
+ if getattr(args, attr) is not None:
+ _traffic_options[attr] = getattr(args, attr)
if _use_ipv6:
pkt_a, pkt_b = create_packets_v6(_traffic_options,
@@ -405,7 +407,7 @@ def main(argv):
pkt_a, pkt_b = create_packets(_traffic_options,
frame_size=_frame_size)
- simple_burst(pkt_a, pkt_b, duration=_duration, rate=_rate)
+ simple_burst(pkt_a, pkt_b, _duration, _rate, _warmup_time, _async_call)
if __name__ == "__main__":
- main(sys.argv[1:])
+ sys.exit(main())