#!/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:
+# Copyright (c) 2023 Cisco and/or its affiliates.
+#
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+#
+# Licensed under the Apache License 2.0 or
+# GNU General Public License v2.0 or later; you may not use this file
+# except in compliance with one of these Licenses. You
+# may obtain a copy of the Licenses at:
#
# http://www.apache.org/licenses/LICENSE-2.0
+# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+#
+# Note: If this file is linked with Scapy, which is GPLv2+, your use of it
+# must be under GPLv2+. If at any point in the future it is no longer linked
+# with Scapy (or other GPLv2+ licensed software), you are free to choose
+# Apache 2.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
- compiled and running T-REX process (eg. ./t-rex-64 -i)
- trex.astf.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
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/"
+ 0, "/opt/trex-core-3.03/scripts/automation/trex_control_plane/interactive/"
)
-from trex.astf.api import *
+from trex.astf.api import ASTFClient
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."
+ "--xstat", type=str, nargs="*", help="Reference xstat object if any."
)
args = parser.parse_args()
client = ASTFClient()
try:
- # connect to server
client.connect()
-
client.acquire(force=True)
client.stop()
+ xstats = list()
# 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 TRexError happens, let the script fail with stack trace.
+ for i in range(len(client.ports)):
+ if args.xstat[i]:
+ snapshot = eval(args.xstat[i])
+ client.ports[i].get_xstats().reference_stats = snapshot
+ # Now we can call the official method to get differences.
+ xstats.append(client.get_xstats(i))
+ print(f"##### statistics port {i} #####")
+ print(json.dumps(xstats[i], indent=4, separators=(",", ": ")))
finally:
- client.clear_profile()
+ client.reset()
client.disconnect()
- # TODO: check xstats format
- 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
-
- client_stats = xstats0[u"traffic"][u"client"]
- server_stats = xstats1[u"traffic"][u"server"]
- # Active and established flows UDP/TCP
- # Client
- c_act_flows = client_stats[u"m_active_flows"]
- c_est_flows = client_stats[u"m_est_flows"]
- l7_data = f"client_active_flows={c_act_flows}, "
- l7_data += f"client_established_flows={c_est_flows}, "
- # Server
- s_act_flows = server_stats[u"m_active_flows"]
- s_est_flows = server_stats[u"m_est_flows"]
- l7_data += f"server_active_flows={s_act_flows}, "
- l7_data += f"server_established_flows={s_est_flows}, "
- # Some zero counters are not sent
- # Client
- # Established connections
- c_udp_connects = client_stats.get(u"udps_connects", 0)
- l7_data += f"client_udp_connects={c_udp_connects}, "
- # Closed connections
- c_udp_closed = client_stats.get(u"udps_closed", 0)
- l7_data += f"client_udp_closed={c_udp_closed}, "
- # Server
- # Accepted connections
- s_udp_accepts = server_stats.get(u"udps_accepts", 0)
- l7_data += f"server_udp_accepts={s_udp_accepts}, "
- # Closed connections
- s_udp_closed = server_stats.get(u"udps_closed", 0)
- # Client
- # Initiated connections
- c_tcp_connatt = client_stats.get(u"tcps_connattempt", 0)
- l7_data += f"client_tcp_connect_inits={c_tcp_connatt}, "
- # Established connections
- c_tcp_connects = client_stats.get(u"tcps_connects", 0)
- l7_data += f"client_tcp_connects={c_tcp_connects}, "
- # Closed connections
- c_tcp_closed = client_stats.get(u"tcps_closed", 0)
- l7_data += f"client_tcp_closed={c_tcp_closed}, "
- # Server
- # Accepted connections
- s_tcp_accepts = server_stats.get(u"tcps_accepts", 0)
- l7_data += f"server_tcp_accepts={s_tcp_accepts}, "
- # Established connections
- s_tcp_connects = server_stats.get(u"tcps_connects", 0)
- l7_data += f"server_tcp_connects={s_tcp_connects}, "
- # Closed connections
- s_tcp_closed = server_stats.get(u"tcps_closed", 0)
- l7_data += f"server_tcp_closed={s_tcp_closed}, "
+ for idx,stat in enumerate(zip(xstats[0::2], xstats[1::2])):
+ lost_r = stat[0]["tx_good_packets"] - stat[1]["rx_good_packets"]
+ lost_l = stat[1]["tx_good_packets"] - stat[0]["rx_good_packets"]
+ print(f"packets lost from {idx*2} --> {idx*2+1}: {lost_r} pkts")
+ print(f"packets lost from {idx*2+1} --> {idx*2}: {lost_l} pkts")
- print(f"packets lost from 0 --> 1: {lost_a} pkts")
- print(f"packets lost from 1 --> 0: {lost_b} pkts")
+ total_rcvd = 0
+ total_sent = 0
+ for stat in xstats:
+ total_rcvd += stat["rx_good_packets"]
+ total_sent += stat["tx_good_packets"]
- total_rcvd, total_sent = rx_0 + rx_1, tx_0 + tx_1
- total_lost = total_sent - total_rcvd
- # TODO: Add latency.
print(
- f"cps='unknown', total_received={total_rcvd}, total_sent={total_sent}, "
- f"frame_loss={total_lost}, "
- f"latency_stream_0(usec)=-1/-1/-1, latency_stream_1(usec)=-1/-1/-1, "
- u"latency_hist_stream_0={}, latency_hist_stream_1={}, "
- f"{l7_data}"
+ f"cps='unknown'; "
+ f"total_received={total_rcvd}; "
+ f"total_sent={total_sent}; "
+ f"frame_loss={total_sent - total_rcvd}; "
+ f"latency_stream_0(usec)=-1/-1/-1; "
+ f"latency_stream_1(usec)=-1/-1/-1; "
+ f"latency_hist_stream_0=; "
+ f"latency_hist_stream_1=; "
)
-if __name__ == u"__main__":
+if __name__ == "__main__":
main()
Code Review / csit.git / blobdiff