diff options
Diffstat (limited to 'resources/tools')
| -rw-r--r-- | resources/tools/block_replacer/apache2gpl.sh | 27 | ||||
| -rw-r--r-- | resources/tools/block_replacer/apache_block.txt | 11 | ||||
| -rw-r--r-- | resources/tools/block_replacer/gpl2apache.sh | 27 | ||||
| -rw-r--r-- | resources/tools/block_replacer/gpl_block.txt | 13 | ||||
| -rw-r--r-- | resources/tools/block_replacer/replace.py | 126 | ||||
| -rwxr-xr-x | resources/tools/trex/trex_server_info.py | 54 | ||||
| -rwxr-xr-x | resources/tools/trex/trex_stateless_profile.py | 345 | ||||
| -rwxr-xr-x | resources/tools/trex/trex_stateless_stop.py | 104 |
8 files changed, 204 insertions, 503 deletions
diff --git a/resources/tools/block_replacer/apache2gpl.sh b/resources/tools/block_replacer/apache2gpl.sh new file mode 100644 index 0000000000..f248393d50 --- /dev/null +++ b/resources/tools/block_replacer/apache2gpl.sh @@ -0,0 +1,27 @@ +#!/usr/bin/env bash + +# 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: +# +# 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. + +set -exuo pipefail + +if [[ "${#}" != "1" ]]; then + echo 'An utility to switch license comment blocks.' + echo 'Requires files "gpl_block.txt" and "apache_block.txt" in the working' + echo 'directory, and a single argument pointing to root directory.' + echo 'Affects only .sh and .py files.' + exit 1 +fi + +find "${1}" \( -name "*.py" -o -name "*.sh" \) -print0 | xargs -0 \ +python3 replace.py "apache_block.txt" "gpl_block.txt" diff --git a/resources/tools/block_replacer/apache_block.txt b/resources/tools/block_replacer/apache_block.txt new file mode 100644 index 0000000000..790a3c4ea1 --- /dev/null +++ b/resources/tools/block_replacer/apache_block.txt @@ -0,0 +1,11 @@ +# 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. diff --git a/resources/tools/block_replacer/gpl2apache.sh b/resources/tools/block_replacer/gpl2apache.sh new file mode 100644 index 0000000000..a1ef8df075 --- /dev/null +++ b/resources/tools/block_replacer/gpl2apache.sh @@ -0,0 +1,27 @@ +#!/usr/bin/env bash + +# 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: +# +# 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. + +set -exuo pipefail + +if [[ "${#}" != "1" ]]; then + echo 'An utility to switch license comment blocks.' + echo 'Requires files "gpl_block.txt" and "apache_block.txt" in the working' + echo 'directory, and a single argument pointing to root directory.' + echo 'Affects only .sh and .py files.' + exit 1 +fi + +find "${1}" \( -name "*.py" -o -name "*.sh" \) -print0 | xargs -0 \ +python3 replace.py "gpl_block.txt" "apache_block.txt" diff --git a/resources/tools/block_replacer/gpl_block.txt b/resources/tools/block_replacer/gpl_block.txt new file mode 100644 index 0000000000..2dbbb2af06 --- /dev/null +++ b/resources/tools/block_replacer/gpl_block.txt @@ -0,0 +1,13 @@ +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see <https://www.gnu.org/licenses/>. diff --git a/resources/tools/block_replacer/replace.py b/resources/tools/block_replacer/replace.py new file mode 100644 index 0000000000..02d1889331 --- /dev/null +++ b/resources/tools/block_replacer/replace.py @@ -0,0 +1,126 @@ +#!/usr/bin/env 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: +# +# 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. + +"""A script simplifying replacement of blocks of lines. + +A bash solution created by combining these two: + https://unix.stackexchange.com/a/181215 + https://stackoverflow.com/a/23849180 +does not seem to work if the blocks contain complicated characters. +""" + +import argparse +import os +import tempfile + +def main(): + """Main function for the block replacing script.""" + + description = '''Replace a block of lines with another block. + + Both block-to-replace and replacing-block are read from a file. + The replacement is performed on a file, in-place. + Only first block occurence is replaced. + If the block-to-replace is preceded by a partial match, + it may not be recognized. + + The current implementation uses temporary files, + created in the working directory. + if something fails, thise temporary files need to be deleted manually. + + TODO: Preserve target attributes. Maybe https://pypi.org/project/in-place/ +''' + parser = argparse.ArgumentParser(description) + parser.add_argument( + u"before", type=str, + help=u"Path to file containing the old content to replace." + ) + parser.add_argument( + u"after", type=str, + help=u"Path to file containing the new content to replace with." + ) + parser.add_argument( + u"targets", metavar=u"target", nargs=u"+", type=str, + help=u"Paths to file where the replacement should be made." + ) + args = parser.parse_args() + + do_it(args) + + +def do_it(args): + """Read contents, create edited target, replace the original target with it. + + :param args: Parsed command line arguments. + :type args: Object (typically argparse.Namespace) which contains + "before", "after" and "target" fields. + """ + with open(args.before, u"r") as file_in: + content_before = file_in.readlines() + before_len = len(content_before) + with open(args.after, u"r") as file_in: + content_after = file_in.readlines() + + for target in args.targets: + with tempfile.NamedTemporaryFile( + dir=u".", mode=u"w", delete=False + ) as file_out: + with open(target, u"r") as file_in: + # Phase one, searching for content, copying what does not match. + buffer_lines = list() + line_index_to_check = 0 + content_found = False + while 1: + line_in = file_in.readline() + if not line_in: + print(f"{target}: Content not found.") + for line_out in buffer_lines: + file_out.write(line_out) + buffer_lines = list() + break + if line_in != content_before[line_index_to_check]: + line_index_to_check = 0 + if buffer_lines: + for line_out in buffer_lines: + file_out.write(line_out) + buffer_lines = list() + file_out.write(line_in) + continue + buffer_lines.append(line_in) + line_index_to_check += 1 + if line_index_to_check < before_len: + continue + # Buffer has the match! Do not write it. + content_found = True + break + if not content_found: + file_out.close() + os.remove(file_out.name) + continue + # Phase two, write the replacement instead. + for line_out in content_after: + file_out.write(line_out) + # Phase three, copy the rest of the file. + while 1: + line_in = file_in.readline() + if not line_in: + print(f"{target}: Replacement done.") + break + file_out.write(line_in) + os.replace(file_out.name, target) + + +if __name__ == u"__main__": + main() diff --git a/resources/tools/trex/trex_server_info.py b/resources/tools/trex/trex_server_info.py deleted file mode 100755 index b34709b206..0000000000 --- a/resources/tools/trex/trex_server_info.py +++ /dev/null @@ -1,54 +0,0 @@ -#!/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. Verify the API functionality and get server information - -""" - -import sys - -sys.path.insert( - 0, u"/opt/trex-core-2.73/scripts/automation/trex_control_plane/interactive/" -) -from trex.stl.api import * - - -def main(): - """Check server info and quit.""" - client = STLClient() - try: - # connect to server - client.connect() - - # get server info - print(client.get_server_system_info()) - except STLError as ex_error: - print(ex_error, file=sys.stderr) - sys.exit(1) - finally: - client.disconnect() - - -if __name__ == u"__main__": - main() diff --git a/resources/tools/trex/trex_stateless_profile.py b/resources/tools/trex/trex_stateless_profile.py deleted file mode 100755 index a0de5c0cd3..0000000000 --- a/resources/tools/trex/trex_stateless_profile.py +++ /dev/null @@ -1,345 +0,0 @@ -#!/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: -# -# 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 module gets a traffic profile together with other parameters, reads -the profile and sends the traffic. At the end, it measures the packet loss and -latency. -""" - -import argparse -import json -import sys -import time - -sys.path.insert( - 0, u"/opt/trex-core-2.73/scripts/automation/trex_control_plane/interactive/" -) -from trex.stl.api import * - - -def fmt_latency(lat_min, lat_avg, lat_max, hdrh): - """Return formatted, rounded latency. - - :param lat_min: Min latency - :param lat_avg: Average latency - :param lat_max: Max latency - :param hdrh: Base64 encoded compressed HDRHistogram object. - :type lat_min: str - :type lat_avg: str - :type lat_max: str - :type hdrh: str - :return: Formatted and rounded output (hdrh unchanged) "min/avg/max/hdrh". - :rtype: str - """ - try: - t_min = int(round(float(lat_min))) - except ValueError: - t_min = int(-1) - try: - t_avg = int(round(float(lat_avg))) - except ValueError: - t_avg = int(-1) - try: - t_max = int(round(float(lat_max))) - except ValueError: - t_max = int(-1) - - return u"/".join(str(tmp) for tmp in (t_min, t_avg, t_max, hdrh)) - - -def simple_burst( - profile_file, duration, framesize, rate, warmup_time, port_0, port_1, - latency, async_start=False, traffic_directions=2, force=False): - """Send traffic and measure packet loss and latency. - - Procedure: - - reads the given traffic profile with streams, - - connects to the T-rex client, - - resets the ports, - - removes all existing streams, - - adds streams from the traffic profile to the ports, - - if the warm-up time is more than 0, sends the warm-up traffic, reads the - statistics, - - clears the statistics from the client, - - starts the traffic, - - waits for the defined time (or runs forever if async mode is defined), - - stops the traffic, - - reads and displays the statistics and - - disconnects from the client. - - :param profile_file: A python module with T-rex traffic profile. - :param framesize: Frame size. - :param duration: Duration of traffic run in seconds (-1=infinite). - :param rate: Traffic rate [percentage, pps, bps]. - :param warmup_time: Traffic warm-up time in seconds, 0 = disable. - :param port_0: Port 0 on the traffic generator. - :param port_1: Port 1 on the traffic generator. - :param latency: With latency stats. - :param async_start: Start the traffic and exit. - :param traffic_directions: Bidirectional (2) or unidirectional (1) traffic. - :param force: Force start regardless of ports state. - :type profile_file: str - :type framesize: int or str - :type duration: float - :type rate: str - :type warmup_time: float - :type port_0: int - :type port_1: int - :type latency: bool - :type async_start: bool - :type traffic_directions: int - :type force: bool - """ - client = None - total_rcvd = 0 - total_sent = 0 - approximated_duration = 0 - approximated_rate = 0 - lost_a = 0 - lost_b = 0 - lat_a = u"-1/-1/-1/" - lat_b = u"-1/-1/-1/" - - # Read the profile: - try: - print(f"### Profile file:\n{profile_file}") - profile = STLProfile.load( - profile_file, direction=0, port_id=0, framesize=framesize - ) - streams = profile.get_streams() - except STLError as err: - print(f"Error while loading profile '{profile_file}' {err!r}") - sys.exit(1) - - try: - # Create the client: - client = STLClient() - # Connect to server: - client.connect() - # Prepare our ports (the machine has 0 <--> 1 with static route): - client.reset(ports=[port_0, port_1]) - client.remove_all_streams(ports=[port_0, port_1]) - - if u"macsrc" in profile_file: - client.set_port_attr(ports=[port_0, port_1], promiscuous=True) - if isinstance(framesize, int): - client.add_streams(streams[0], ports=[port_0]) - if traffic_directions > 1: - client.add_streams(streams[1], ports=[port_1]) - elif isinstance(framesize, str): - client.add_streams(streams[0:3], ports=[port_0]) - if traffic_directions > 1: - client.add_streams(streams[3:6], ports=[port_1]) - if latency: - try: - if isinstance(framesize, int): - client.add_streams(streams[2], ports=[port_0]) - if traffic_directions > 1: - client.add_streams(streams[3], ports=[port_1]) - elif isinstance(framesize, str): - latency = False - except STLError: - # Disable latency if NIC does not support requested stream type - print(u"##### FAILED to add latency streams #####") - latency = False - ports = [port_0] - if traffic_directions > 1: - ports.append(port_1) - # Warm-up phase: - if warmup_time > 0: - # Clear the stats before injecting: - client.clear_stats() - - # Choose rate and start traffic: - client.start(ports=ports, mult=rate, duration=warmup_time, - force=force) - - # Block until done: - time_start = time.monotonic() - client.wait_on_traffic(ports=ports, timeout=warmup_time+30) - time_stop = time.monotonic() - approximated_duration = time_stop - time_start - - if client.get_warnings(): - for warning in client.get_warnings(): - print(warning) - - # Read the stats after the test: - stats = client.get_stats() - - print(u"##### Warmup statistics #####") - print(json.dumps(stats, indent=4, separators=(u",", u": "))) - - lost_a = stats[port_0][u"opackets"] - stats[port_1][u"ipackets"] - if traffic_directions > 1: - lost_b = stats[port_1][u"opackets"] - stats[port_0][u"ipackets"] - - print(f"\npackets lost from {port_0} --> {port_1}: {lost_a} pkts") - if traffic_directions > 1: - print(f"packets lost from {port_1} --> {port_0}: {lost_b} pkts") - - # Clear the stats before injecting: - client.clear_stats() - lost_a = 0 - lost_b = 0 - - # Choose rate and start traffic: - client.start(ports=ports, mult=rate, duration=duration) - - if async_start: - # For async stop, we need to export the current snapshot. - xsnap0 = client.ports[0].get_xstats().reference_stats - print(f"Xstats snapshot 0: {xsnap0!r}") - if traffic_directions > 1: - xsnap1 = client.ports[1].get_xstats().reference_stats - print(f"Xstats snapshot 1: {xsnap1!r}") - else: - # Block until done: - time_start = time.monotonic() - client.wait_on_traffic(ports=ports, timeout=duration+30) - time_stop = time.monotonic() - approximated_duration = time_stop - time_start - - if client.get_warnings(): - for warning in client.get_warnings(): - print(warning) - - # Read the stats after the test - stats = client.get_stats() - - print(u"##### Statistics #####") - print(json.dumps(stats, indent=4, separators=(u",", u": "))) - - lost_a = stats[port_0][u"opackets"] - stats[port_1][u"ipackets"] - if traffic_directions > 1: - lost_b = stats[port_1][u"opackets"] - stats[port_0][u"ipackets"] - - # Stats index is not a port number, but "pgid". - if latency: - lat_obj = stats[u"latency"][0][u"latency"] - lat_a = fmt_latency( - str(lat_obj[u"total_min"]), str(lat_obj[u"average"]), - str(lat_obj[u"total_max"]), str(lat_obj[u"hdrh"])) - if traffic_directions > 1: - lat_obj = stats[u"latency"][1][u"latency"] - lat_b = fmt_latency( - str(lat_obj[u"total_min"]), str(lat_obj[u"average"]), - str(lat_obj[u"total_max"]), str(lat_obj[u"hdrh"])) - - if traffic_directions > 1: - total_sent = stats[0][u"opackets"] + stats[1][u"opackets"] - total_rcvd = stats[0][u"ipackets"] + stats[1][u"ipackets"] - else: - total_sent = stats[port_0][u"opackets"] - total_rcvd = stats[port_1][u"ipackets"] - try: - approximated_rate = total_sent / approximated_duration - except ZeroDivisionError: - pass - - print(f"\npackets lost from {port_0} --> {port_1}: {lost_a} pkts") - if traffic_directions > 1: - print(f"packets lost from {port_1} --> {port_0}: {lost_b} pkts") - - except STLError as ex_error: - print(ex_error, file=sys.stderr) - sys.exit(1) - - finally: - if async_start: - if client: - client.disconnect(stop_traffic=False, release_ports=True) - else: - if client: - client.disconnect() - print( - f"rate={rate!r}, totalReceived={total_rcvd}, " - f"totalSent={total_sent}, frameLoss={lost_a + lost_b}, " - f"targetDuration={duration!r}, " - f"approximatedDuration={approximated_duration!r}, " - f"approximatedRate={approximated_rate}, " - f"latencyStream0(usec)={lat_a}, latencyStream1(usec)={lat_b}, " - ) - - -def main(): - """Main function for the traffic generator using T-rex. - - It verifies the given command line arguments and runs "simple_burst" - function. - """ - parser = argparse.ArgumentParser() - parser.add_argument( - u"-p", u"--profile", required=True, type=str, - help=u"Python traffic profile." - ) - parser.add_argument( - u"-d", u"--duration", required=True, type=float, - help=u"Duration of traffic run." - ) - parser.add_argument( - u"-s", u"--frame_size", required=True, - help=u"Size of a Frame without padding and IPG." - ) - parser.add_argument( - u"-r", u"--rate", required=True, - help=u"Traffic rate with included units (%, pps)." - ) - parser.add_argument( - u"-w", u"--warmup_time", type=float, default=5.0, - help=u"Traffic warm-up time in seconds, 0 = disable." - ) - parser.add_argument( - u"--port_0", required=True, type=int, - help=u"Port 0 on the traffic generator." - ) - parser.add_argument( - u"--port_1", required=True, type=int, - help=u"Port 1 on the traffic generator." - ) - parser.add_argument( - u"--async_start", action=u"store_true", default=False, - help=u"Non-blocking call of the script." - ) - parser.add_argument( - u"--latency", action=u"store_true", default=False, - help=u"Add latency stream." - ) - parser.add_argument( - u"--traffic_directions", type=int, default=2, - help=u"Send bi- (2) or uni- (1) directional traffic." - ) - parser.add_argument( - u"--force", action=u"store_true", default=False, - help=u"Force start regardless of ports state." - ) - - args = parser.parse_args() - - try: - framesize = int(args.frame_size) - except ValueError: - framesize = args.frame_size - - simple_burst( - profile_file=args.profile, duration=args.duration, framesize=framesize, - rate=args.rate, warmup_time=args.warmup_time, port_0=args.port_0, - port_1=args.port_1, latency=args.latency, async_start=args.async_start, - traffic_directions=args.traffic_directions, force=args.force - ) - - -if __name__ == u"__main__": - main() diff --git a/resources/tools/trex/trex_stateless_stop.py b/resources/tools/trex/trex_stateless_stop.py deleted file mode 100755 index 5e8721d28c..0000000000 --- a/resources/tools/trex/trex_stateless_stop.py +++ /dev/null @@ -1,104 +0,0 @@ -#!/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: -# -# 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 -2. Optionally restore reference counter values. -3. Return conter differences. -""" - -import argparse -import json -import sys - -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/" -) -from trex.stl.api import * - - -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." - ) - args = parser.parse_args() - - client = STLClient() - try: - # connect to server - client.connect() - - client.acquire(force=True) - # TODO: Support unidirection. - client.stop(ports=[0, 1]) - - # 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 STLError happens, let the script fail with stack trace. - finally: - client.disconnect() - - 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 - - print(f"\npackets lost from 0 --> 1: {lost_a} pkts") - print(f"packets lost from 1 --> 0: {lost_b} pkts") - - total_rcvd, total_sent = rx_0 + rx_1, tx_0 + tx_1 - total_lost = total_sent - total_rcvd - # TODO: Add latency. - print( - f"rate='unknown', totalReceived={total_rcvd}, totalSent={total_sent}, " - f"frameLoss={total_lost}, targetDuration='manual', " - f"approximatedDuration='manual', approximatedRate='unknown', " - f"latencyStream0(usec)=-1/-1/-1, latencyStream1(usec)=-1/-1/-1" - ) - - -if __name__ == u"__main__": - main() |