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esp-idf/examples/wifi/iperf/iperf_test.py
He Yin Ling 381464d1cf test: support multiple targets for iperf example test
2021-06-16 09:49:23 +08:00

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"""
Test case for iperf example.
This test case might have problem running on windows:
1. direct use of `make`
2. use `sudo killall iperf` to force kill iperf, didn't implement windows version
The test env Example_ShieldBox do need the following config::
Example_ShieldBox:
ap_list:
- ssid: "ssid"
password: "password"
outlet: 1
apc_ip: "192.168.1.88"
attenuator_port: "/dev/ttyUSB0"
iperf: "/dev/ttyUSB1"
apc_ip: "192.168.1.88"
pc_nic: "eth0"
"""
from __future__ import division, unicode_literals
import os
import re
import subprocess
import time
from builtins import object, range, str
import ttfw_idf
from idf_iperf_test_util import Attenuator, LineChart, PowerControl, TestReport
from tiny_test_fw import DUT, TinyFW, Utility
# configurations
TEST_TIME = TEST_TIMEOUT = 60
WAIT_AP_POWER_ON_TIMEOUT = 90
SCAN_TIMEOUT = 3
SCAN_RETRY_COUNT = 3
RETRY_COUNT_FOR_BEST_PERFORMANCE = 2
ATTEN_VALUE_LIST = range(0, 60, 2)
# constants
FAILED_TO_SCAN_RSSI = -97
INVALID_HEAP_SIZE = 0xFFFFFFFF
PC_IPERF_TEMP_LOG_FILE = '.tmp_iperf.log'
CONFIG_NAME_PATTERN = re.compile(r'sdkconfig\.ci\.(.+)')
# We need to auto compare the difference between adjacent configs (01 -> 00, 02 -> 01, ...) and put them to reports.
# Using numbers for config will make this easy.
# Use default value `99` for config with best performance.
BEST_PERFORMANCE_CONFIG = '99'
class TestResult(object):
""" record, analysis test result and convert data to output format """
PC_BANDWIDTH_LOG_PATTERN = re.compile(r'(\d+).0\s*-\s*(\d+).0\s+sec\s+[\d.]+\s+MBytes\s+([\d.]+)\s+Mbits/sec')
DUT_BANDWIDTH_LOG_PATTERN = re.compile(r'(\d+)-\s+(\d+)\s+sec\s+([\d.]+)\s+Mbits/sec')
ZERO_POINT_THRESHOLD = -88 # RSSI, dbm
ZERO_THROUGHPUT_THRESHOLD = -92 # RSSI, dbm
BAD_POINT_RSSI_THRESHOLD = -75 # RSSI, dbm
BAD_POINT_MIN_THRESHOLD = 10 # Mbps
BAD_POINT_PERCENTAGE_THRESHOLD = 0.3
# we need at least 1/2 valid points to qualify the test result
THROUGHPUT_QUALIFY_COUNT = TEST_TIME // 2
RSSI_RANGE = [-x for x in range(10, 100)]
ATT_RANGE = [x for x in range(0, 64)]
def __init__(self, proto, direction, config_name):
self.proto = proto
self.direction = direction
self.config_name = config_name
self.throughput_by_rssi = dict()
self.throughput_by_att = dict()
self.att_rssi_map = dict()
self.heap_size = INVALID_HEAP_SIZE
self.error_list = []
def _save_result(self, throughput, ap_ssid, att, rssi, heap_size):
"""
save the test results:
* record the better throughput if att/rssi is the same.
* record the min heap size.
"""
if ap_ssid not in self.att_rssi_map:
# for new ap, create empty dict()
self.throughput_by_att[ap_ssid] = dict()
self.throughput_by_rssi[ap_ssid] = dict()
self.att_rssi_map[ap_ssid] = dict()
self.att_rssi_map[ap_ssid][att] = rssi
def record_throughput(database, key_value):
try:
# we save the larger value for same att
if throughput > database[ap_ssid][key_value]:
database[ap_ssid][key_value] = throughput
except KeyError:
database[ap_ssid][key_value] = throughput
record_throughput(self.throughput_by_att, att)
record_throughput(self.throughput_by_rssi, rssi)
if int(heap_size) < self.heap_size:
self.heap_size = int(heap_size)
def add_result(self, raw_data, ap_ssid, att, rssi, heap_size):
"""
add result for one test
:param raw_data: iperf raw data
:param ap_ssid: ap ssid that tested
:param att: attenuate value
:param rssi: AP RSSI
:param heap_size: min heap size during test
:return: throughput
"""
fall_to_0_recorded = 0
throughput_list = []
result_list = self.PC_BANDWIDTH_LOG_PATTERN.findall(raw_data)
if not result_list:
# failed to find raw data by PC pattern, it might be DUT pattern
result_list = self.DUT_BANDWIDTH_LOG_PATTERN.findall(raw_data)
for result in result_list:
if int(result[1]) - int(result[0]) != 1:
# this could be summary, ignore this
continue
throughput_list.append(float(result[2]))
if float(result[2]) == 0 and rssi > self.ZERO_POINT_THRESHOLD \
and fall_to_0_recorded < 1:
# throughput fall to 0 error. we only record 1 records for one test
self.error_list.append('[Error][fall to 0][{}][att: {}][rssi: {}]: 0 throughput interval: {}-{}'
.format(ap_ssid, att, rssi, result[0], result[1]))
fall_to_0_recorded += 1
if len(throughput_list) > self.THROUGHPUT_QUALIFY_COUNT:
throughput = sum(throughput_list) / len(throughput_list)
else:
throughput = 0.0
if throughput == 0 and rssi > self.ZERO_THROUGHPUT_THRESHOLD:
self.error_list.append('[Error][Fatal][{}][att: {}][rssi: {}]: No throughput data found'
.format(ap_ssid, att, rssi))
self._save_result(throughput, ap_ssid, att, rssi, heap_size)
return throughput
def post_analysis(self):
"""
some rules need to be checked after we collected all test raw data:
1. throughput value 30% worse than the next point with lower RSSI
2. throughput value 30% worse than the next point with larger attenuate
"""
def analysis_bad_point(data, index_type):
for ap_ssid in data:
result_dict = data[ap_ssid]
index_list = list(result_dict.keys())
index_list.sort()
if index_type == 'att':
index_list.reverse()
for i, index_value in enumerate(index_list[1:]):
if index_value < self.BAD_POINT_RSSI_THRESHOLD or \
result_dict[index_list[i]] < self.BAD_POINT_MIN_THRESHOLD:
continue
_percentage = result_dict[index_value] / result_dict[index_list[i]]
if _percentage < 1 - self.BAD_POINT_PERCENTAGE_THRESHOLD:
self.error_list.append('[Error][Bad point][{}][{}: {}]: drop {:.02f}%'
.format(ap_ssid, index_type, index_value,
(1 - _percentage) * 100))
analysis_bad_point(self.throughput_by_rssi, 'rssi')
analysis_bad_point(self.throughput_by_att, 'att')
def draw_throughput_figure(self, path, ap_ssid, draw_type):
"""
:param path: folder to save figure. make sure the folder is already created.
:param ap_ssid: ap ssid string or a list of ap ssid string
:param draw_type: "att" or "rssi"
:return: file_name
"""
if draw_type == 'rssi':
type_name = 'RSSI'
data = self.throughput_by_rssi
range_list = self.RSSI_RANGE
elif draw_type == 'att':
type_name = 'Att'
data = self.throughput_by_att
range_list = self.ATT_RANGE
else:
raise AssertionError('draw type not supported')
if isinstance(ap_ssid, list):
file_name = 'ThroughputVs{}_{}_{}_{}.html'.format(type_name, self.proto, self.direction,
hash(ap_ssid)[:6])
else:
file_name = 'ThroughputVs{}_{}_{}_{}.html'.format(type_name, self.proto, self.direction, ap_ssid)
LineChart.draw_line_chart(os.path.join(path, file_name),
'Throughput Vs {} ({} {})'.format(type_name, self.proto, self.direction),
'{} (dbm)'.format(type_name),
'Throughput (Mbps)',
data, range_list)
return file_name
def draw_rssi_vs_att_figure(self, path, ap_ssid):
"""
:param path: folder to save figure. make sure the folder is already created.
:param ap_ssid: ap to use
:return: file_name
"""
if isinstance(ap_ssid, list):
file_name = 'AttVsRSSI_{}.html'.format(hash(ap_ssid)[:6])
else:
file_name = 'AttVsRSSI_{}.html'.format(ap_ssid)
LineChart.draw_line_chart(os.path.join(path, file_name),
'Att Vs RSSI',
'Att (dbm)',
'RSSI (dbm)',
self.att_rssi_map,
self.ATT_RANGE)
return file_name
def get_best_throughput(self):
""" get the best throughput during test """
best_for_aps = [max(self.throughput_by_att[ap_ssid].values())
for ap_ssid in self.throughput_by_att]
return max(best_for_aps)
def __str__(self):
"""
returns summary for this test:
1. test result (success or fail)
2. best performance for each AP
3. min free heap size during test
"""
if self.throughput_by_att:
ret = '[{}_{}][{}]: {}\r\n\r\n'.format(self.proto, self.direction, self.config_name,
'Fail' if self.error_list else 'Success')
ret += 'Performance for each AP:\r\n'
for ap_ssid in self.throughput_by_att:
ret += '[{}]: {:.02f} Mbps\r\n'.format(ap_ssid, max(self.throughput_by_att[ap_ssid].values()))
if self.heap_size != INVALID_HEAP_SIZE:
ret += 'Minimum heap size: {}'.format(self.heap_size)
else:
ret = ''
return ret
class IperfTestUtility(object):
""" iperf test implementation """
def __init__(self, dut, config_name, ap_ssid, ap_password,
pc_nic_ip, pc_iperf_log_file, test_result=None):
self.config_name = config_name
self.dut = dut
self.pc_iperf_log_file = pc_iperf_log_file
self.ap_ssid = ap_ssid
self.ap_password = ap_password
self.pc_nic_ip = pc_nic_ip
if test_result:
self.test_result = test_result
else:
self.test_result = {
'tcp_tx': TestResult('tcp', 'tx', config_name),
'tcp_rx': TestResult('tcp', 'rx', config_name),
'udp_tx': TestResult('udp', 'tx', config_name),
'udp_rx': TestResult('udp', 'rx', config_name),
}
def setup(self):
"""
setup iperf test:
1. kill current iperf process
2. reboot DUT (currently iperf is not very robust, need to reboot DUT)
3. scan to get AP RSSI
4. connect to AP
"""
try:
subprocess.check_output('sudo killall iperf 2>&1 > /dev/null', shell=True)
except subprocess.CalledProcessError:
pass
self.dut.write('restart')
self.dut.expect_any('iperf>', 'esp32>')
self.dut.write('scan {}'.format(self.ap_ssid))
for _ in range(SCAN_RETRY_COUNT):
try:
rssi = int(self.dut.expect(re.compile(r'\[{}]\[rssi=(-\d+)]'.format(self.ap_ssid)),
timeout=SCAN_TIMEOUT)[0])
break
except DUT.ExpectTimeout:
continue
else:
raise AssertionError('Failed to scan AP')
self.dut.write('sta {} {}'.format(self.ap_ssid, self.ap_password))
dut_ip = self.dut.expect(re.compile(r'sta ip: ([\d.]+), mask: ([\d.]+), gw: ([\d.]+)'))[0]
return dut_ip, rssi
def _save_test_result(self, test_case, raw_data, att, rssi, heap_size):
return self.test_result[test_case].add_result(raw_data, self.ap_ssid, att, rssi, heap_size)
def _test_once(self, proto, direction):
""" do measure once for one type """
# connect and scan to get RSSI
dut_ip, rssi = self.setup()
assert direction in ['rx', 'tx']
assert proto in ['tcp', 'udp']
# run iperf test
if direction == 'tx':
with open(PC_IPERF_TEMP_LOG_FILE, 'w') as f:
if proto == 'tcp':
process = subprocess.Popen(['iperf', '-s', '-B', self.pc_nic_ip,
'-t', str(TEST_TIME), '-i', '1', '-f', 'm'],
stdout=f, stderr=f)
self.dut.write('iperf -c {} -i 1 -t {}'.format(self.pc_nic_ip, TEST_TIME))
else:
process = subprocess.Popen(['iperf', '-s', '-u', '-B', self.pc_nic_ip,
'-t', str(TEST_TIME), '-i', '1', '-f', 'm'],
stdout=f, stderr=f)
self.dut.write('iperf -c {} -u -i 1 -t {}'.format(self.pc_nic_ip, TEST_TIME))
for _ in range(TEST_TIMEOUT):
if process.poll() is not None:
break
time.sleep(1)
else:
process.terminate()
with open(PC_IPERF_TEMP_LOG_FILE, 'r') as f:
pc_raw_data = server_raw_data = f.read()
else:
with open(PC_IPERF_TEMP_LOG_FILE, 'w') as f:
if proto == 'tcp':
self.dut.write('iperf -s -i 1 -t {}'.format(TEST_TIME))
# wait until DUT TCP server created
try:
self.dut.expect('iperf tcp server create successfully', timeout=1)
except DUT.ExpectTimeout:
# compatible with old iperf example binary
pass
process = subprocess.Popen(['iperf', '-c', dut_ip,
'-t', str(TEST_TIME), '-f', 'm'],
stdout=f, stderr=f)
else:
self.dut.write('iperf -s -u -i 1 -t {}'.format(TEST_TIME))
process = subprocess.Popen(['iperf', '-c', dut_ip, '-u', '-b', '100M',
'-t', str(TEST_TIME), '-f', 'm'],
stdout=f, stderr=f)
for _ in range(TEST_TIMEOUT):
if process.poll() is not None:
break
time.sleep(1)
else:
process.terminate()
server_raw_data = self.dut.read()
with open(PC_IPERF_TEMP_LOG_FILE, 'r') as f:
pc_raw_data = f.read()
# save PC iperf logs to console
with open(self.pc_iperf_log_file, 'a+') as f:
f.write('## [{}] `{}`\r\n##### {}'
.format(self.config_name,
'{}_{}'.format(proto, direction),
time.strftime('%m-%d %H:%M:%S', time.localtime(time.time()))))
f.write('\r\n```\r\n\r\n' + pc_raw_data + '\r\n```\r\n')
self.dut.write('heap')
heap_size = self.dut.expect(re.compile(r'min heap size: (\d+)\D'))[0]
# return server raw data (for parsing test results) and RSSI
return server_raw_data, rssi, heap_size
def run_test(self, proto, direction, atten_val):
"""
run test for one type, with specified atten_value and save the test result
:param proto: tcp or udp
:param direction: tx or rx
:param atten_val: attenuate value
"""
rssi = FAILED_TO_SCAN_RSSI
heap_size = INVALID_HEAP_SIZE
try:
server_raw_data, rssi, heap_size = self._test_once(proto, direction)
throughput = self._save_test_result('{}_{}'.format(proto, direction),
server_raw_data, atten_val,
rssi, heap_size)
Utility.console_log('[{}][{}_{}][{}][{}]: {:.02f}'
.format(self.config_name, proto, direction, rssi, self.ap_ssid, throughput))
except Exception as e:
self._save_test_result('{}_{}'.format(proto, direction), '', atten_val, rssi, heap_size)
Utility.console_log('Failed during test: {}'.format(e))
def run_all_cases(self, atten_val):
"""
run test for all types (udp_tx, udp_rx, tcp_tx, tcp_rx).
:param atten_val: attenuate value
"""
self.run_test('tcp', 'tx', atten_val)
self.run_test('tcp', 'rx', atten_val)
self.run_test('udp', 'tx', atten_val)
self.run_test('udp', 'rx', atten_val)
def wait_ap_power_on(self):
"""
AP need to take sometime to power on. It changes for different APs.
This method will scan to check if the AP powers on.
:return: True or False
"""
self.dut.write('restart')
self.dut.expect_any('iperf>', 'esp32>')
for _ in range(WAIT_AP_POWER_ON_TIMEOUT // SCAN_TIMEOUT):
try:
self.dut.write('scan {}'.format(self.ap_ssid))
self.dut.expect(re.compile(r'\[{}]\[rssi=(-\d+)]'.format(self.ap_ssid)),
timeout=SCAN_TIMEOUT)
ret = True
break
except DUT.ExpectTimeout:
pass
else:
ret = False
return ret
class IperfTestUtilitySoftap(IperfTestUtility):
""" iperf test implementation """
def __init__(self, dut, softap_dut, config_name, test_result=None):
super(IperfTestUtility, self).__init__(dut, config_name, 'softap', '1234567890', None, None, test_result=None)
self.softap_dut = softap_dut
self.softap_ip = '192.168.4.1'
def setup(self):
"""
setup iperf test:
1. kill current iperf process
2. reboot DUT (currently iperf is not very robust, need to reboot DUT)
3. scan to get AP RSSI
4. connect to AP
"""
self.softap_dut.write('restart')
self.softap_dut.expect_any('iperf>', 'esp32>', timeout=30)
self.softap_dut.write('ap {} {}'.format(self.ap_ssid, self.ap_password))
self.dut.write('restart')
self.dut.expect_any('iperf>', 'esp32>', timeout=30)
self.dut.write('scan {}'.format(self.ap_ssid))
for _ in range(SCAN_RETRY_COUNT):
try:
rssi = int(self.dut.expect(re.compile(r'\[{}]\[rssi=(-\d+)]'.format(self.ap_ssid)),
timeout=SCAN_TIMEOUT)[0])
break
except DUT.ExpectTimeout:
continue
else:
raise AssertionError('Failed to scan AP')
self.dut.write('sta {} {}'.format(self.ap_ssid, self.ap_password))
dut_ip = self.dut.expect(re.compile(r'sta ip: ([\d.]+), mask: ([\d.]+), gw: ([\d.]+)'))[0]
return dut_ip, rssi
def _test_once(self, proto, direction):
""" do measure once for one type """
# connect and scan to get RSSI
dut_ip, rssi = self.setup()
assert direction in ['rx', 'tx']
assert proto in ['tcp', 'udp']
# run iperf test
if direction == 'tx':
if proto == 'tcp':
self.softap_dut.write('iperf -s -i 1 -t {}'.format(TEST_TIME))
# wait until DUT TCP server created
try:
self.softap_dut.expect('iperf tcp server create successfully', timeout=1)
except DUT.ExpectTimeout:
# compatible with old iperf example binary
pass
self.dut.write('iperf -c {} -i 1 -t {}'.format(self.softap_ip, TEST_TIME))
else:
self.softap_dut.write('iperf -s -u -i 1 -t {}'.format(TEST_TIME))
self.dut.write('iperf -c {} -u -i 1 -t {}'.format(self.softap_ip, TEST_TIME))
else:
if proto == 'tcp':
self.dut.write('iperf -s -i 1 -t {}'.format(TEST_TIME))
# wait until DUT TCP server created
try:
self.dut.expect('iperf tcp server create successfully', timeout=1)
except DUT.ExpectTimeout:
# compatible with old iperf example binary
pass
self.softap_dut.write('iperf -c {} -i 1 -t {}'.format(dut_ip, TEST_TIME))
else:
self.dut.write('iperf -s -u -i 1 -t {}'.format(TEST_TIME))
self.softap_dut.write('iperf -c {} -u -i 1 -t {}'.format(dut_ip, TEST_TIME))
time.sleep(60)
if direction == 'tx':
server_raw_data = self.dut.read()
else:
server_raw_data = self.softap_dut.read()
self.dut.write('iperf -a')
self.softap_dut.write('iperf -a')
self.dut.write('heap')
heap_size = self.dut.expect(re.compile(r'min heap size: (\d+)\D'))[0]
# return server raw data (for parsing test results) and RSSI
return server_raw_data, rssi, heap_size
@ttfw_idf.idf_example_test(env_tag='Example_ShieldBox_Basic', target=['ESP32', 'ESP32S2', 'ESP32C3'], category='stress')
def test_wifi_throughput_with_different_configs(env, extra_data):
"""
steps: |
1. build iperf with specified configs
2. test throughput for all routers
"""
pc_nic_ip = env.get_pc_nic_info('pc_nic', 'ipv4')['addr']
pc_iperf_log_file = os.path.join(env.log_path, 'pc_iperf_log.md')
ap_info = {
'ssid': env.get_variable('ap_ssid'),
'password': env.get_variable('ap_password'),
}
config_names_raw = subprocess.check_output(['ls', os.path.dirname(os.path.abspath(__file__))])
config_names = CONFIG_NAME_PATTERN.findall(config_names_raw)
if not config_names:
raise ValueError('no configs found in {}'.format(os.path.dirname(__file__)))
test_result = dict()
sdkconfig_files = dict()
for config_name in config_names:
# 1. get the config
sdkconfig_files[config_name] = os.path.join(os.path.dirname(__file__),
'sdkconfig.ci.{}'.format(config_name))
# 2. get DUT and download
dut = env.get_dut('iperf', 'examples/wifi/iperf', app_config_name=config_name)
dut.start_app()
dut.expect_any('iperf>', 'esp32>')
# 3. run test for each required att value
test_result[config_name] = {
'tcp_tx': TestResult('tcp', 'tx', config_name),
'tcp_rx': TestResult('tcp', 'rx', config_name),
'udp_tx': TestResult('udp', 'tx', config_name),
'udp_rx': TestResult('udp', 'rx', config_name),
}
test_utility = IperfTestUtility(dut, config_name, ap_info['ssid'],
ap_info['password'], pc_nic_ip, pc_iperf_log_file, test_result[config_name])
for _ in range(RETRY_COUNT_FOR_BEST_PERFORMANCE):
test_utility.run_all_cases(0)
for result_type in test_result[config_name]:
summary = str(test_result[config_name][result_type])
if summary:
Utility.console_log(summary, color='orange')
# 4. check test results
env.close_dut('iperf')
# 5. generate report
report = TestReport.ThroughputForConfigsReport(os.path.join(env.log_path, 'ThroughputForConfigsReport'),
ap_info['ssid'], test_result, sdkconfig_files)
report.generate_report()
@ttfw_idf.idf_example_test(env_tag='Example_ShieldBox', target=['ESP32', 'ESP32S2', 'ESP32C3'], category='stress')
def test_wifi_throughput_vs_rssi(env, extra_data):
"""
steps: |
1. build with best performance config
2. switch on one router
3. set attenuator value from 0-60 for each router
4. test TCP tx rx and UDP tx rx throughput
"""
att_port = env.get_variable('attenuator_port')
ap_list = env.get_variable('ap_list')
pc_nic_ip = env.get_pc_nic_info('pc_nic', 'ipv4')['addr']
apc_ip = env.get_variable('apc_ip')
pc_iperf_log_file = os.path.join(env.log_path, 'pc_iperf_log.md')
test_result = {
'tcp_tx': TestResult('tcp', 'tx', BEST_PERFORMANCE_CONFIG),
'tcp_rx': TestResult('tcp', 'rx', BEST_PERFORMANCE_CONFIG),
'udp_tx': TestResult('udp', 'tx', BEST_PERFORMANCE_CONFIG),
'udp_rx': TestResult('udp', 'rx', BEST_PERFORMANCE_CONFIG),
}
# 1. get DUT and download
dut = env.get_dut('iperf', 'examples/wifi/iperf', app_config_name=BEST_PERFORMANCE_CONFIG)
dut.start_app()
dut.expect_any('iperf>', 'esp32>')
# 2. run test for each required att value
for ap_info in ap_list:
test_utility = IperfTestUtility(dut, BEST_PERFORMANCE_CONFIG, ap_info['ssid'], ap_info['password'],
pc_nic_ip, pc_iperf_log_file, test_result)
PowerControl.Control.control_rest(apc_ip, ap_info['outlet'], 'OFF')
PowerControl.Control.control(apc_ip, {ap_info['outlet']: 'ON'})
Attenuator.set_att(att_port, 0)
if not test_utility.wait_ap_power_on():
Utility.console_log('[{}] failed to power on, skip testing this AP'
.format(ap_info['ssid']), color='red')
continue
for atten_val in ATTEN_VALUE_LIST:
assert Attenuator.set_att(att_port, atten_val) is True
test_utility.run_all_cases(atten_val)
# 3. check test results
env.close_dut('iperf')
# 4. generate report
report = TestReport.ThroughputVsRssiReport(os.path.join(env.log_path, 'STAThroughputVsRssiReport'),
test_result)
report.generate_report()
@ttfw_idf.idf_example_test(env_tag='Example_ShieldBox_Basic',
target=['ESP32', 'ESP32S2', 'ESP32C3'], ci_target=['ESP32'])
def test_wifi_throughput_basic(env, extra_data):
"""
steps: |
1. test TCP tx rx and UDP tx rx throughput
2. compare with the pre-defined pass standard
"""
pc_nic_ip = env.get_pc_nic_info('pc_nic', 'ipv4')['addr']
pc_iperf_log_file = os.path.join(env.log_path, 'pc_iperf_log.md')
ap_info = {
'ssid': env.get_variable('ap_ssid'),
'password': env.get_variable('ap_password'),
}
# 1. get DUT
dut = env.get_dut('iperf', 'examples/wifi/iperf', app_config_name=BEST_PERFORMANCE_CONFIG)
dut.start_app()
dut.expect_any('iperf>', 'esp32>')
# 2. preparing
test_result = {
'tcp_tx': TestResult('tcp', 'tx', BEST_PERFORMANCE_CONFIG),
'tcp_rx': TestResult('tcp', 'rx', BEST_PERFORMANCE_CONFIG),
'udp_tx': TestResult('udp', 'tx', BEST_PERFORMANCE_CONFIG),
'udp_rx': TestResult('udp', 'rx', BEST_PERFORMANCE_CONFIG),
}
test_utility = IperfTestUtility(dut, BEST_PERFORMANCE_CONFIG, ap_info['ssid'],
ap_info['password'], pc_nic_ip, pc_iperf_log_file, test_result)
# 3. run test for TCP Tx, Rx and UDP Tx, Rx
for _ in range(RETRY_COUNT_FOR_BEST_PERFORMANCE):
test_utility.run_all_cases(0)
# 4. log performance and compare with pass standard
performance_items = []
for throughput_type in test_result:
ttfw_idf.log_performance('{}_throughput'.format(throughput_type),
'{:.02f} Mbps'.format(test_result[throughput_type].get_best_throughput()))
performance_items.append(['{}_throughput'.format(throughput_type),
'{:.02f} Mbps'.format(test_result[throughput_type].get_best_throughput())])
# 5. save to report
TinyFW.JunitReport.update_performance(performance_items)
# do check after logging, otherwise test will exit immediately if check fail, some performance can't be logged.
for throughput_type in test_result:
ttfw_idf.check_performance('{}_throughput'.format(throughput_type),
test_result[throughput_type].get_best_throughput(), dut.TARGET)
env.close_dut('iperf')
@ttfw_idf.idf_example_test(env_tag='Example_ShieldBox2', target=['ESP32', 'ESP32S2', 'ESP32C3'], category='stress')
def test_softap_throughput_vs_rssi(env, extra_data):
"""
steps: |
1. build with best performance config
2. switch on one router
3. set attenuator value from 0-60 for each router
4. test TCP tx rx and UDP tx rx throughput
"""
att_port = env.get_variable('attenuator_port')
test_result = {
'tcp_tx': TestResult('tcp', 'tx', BEST_PERFORMANCE_CONFIG),
'tcp_rx': TestResult('tcp', 'rx', BEST_PERFORMANCE_CONFIG),
'udp_tx': TestResult('udp', 'tx', BEST_PERFORMANCE_CONFIG),
'udp_rx': TestResult('udp', 'rx', BEST_PERFORMANCE_CONFIG),
}
# 1. get DUT and download
softap_dut = env.get_dut('softap_iperf', 'examples/wifi/iperf')
softap_dut.start_app()
softap_dut.expect_any('iperf>', 'esp32>')
sta_dut = env.get_dut('sta_iperf', 'examples/wifi/iperf', app_config_name=BEST_PERFORMANCE_CONFIG)
sta_dut.start_app()
sta_dut.expect_any('iperf>', 'esp32>')
# 2. run test for each required att value
test_utility = IperfTestUtilitySoftap(sta_dut, softap_dut, BEST_PERFORMANCE_CONFIG, test_result)
Attenuator.set_att(att_port, 0)
for atten_val in ATTEN_VALUE_LIST:
assert Attenuator.set_att(att_port, atten_val) is True
test_utility.run_all_cases(atten_val)
env.close_dut('softap_iperf')
env.close_dut('sta_iperf')
# 3. generate report
report = TestReport.ThroughputVsRssiReport(os.path.join(env.log_path, 'SoftAPThroughputVsRssiReport'),
test_result)
report.generate_report()
if __name__ == '__main__':
# test_wifi_throughput_basic(env_config_file='EnvConfig.yml')
# test_wifi_throughput_with_different_configs(env_config_file='EnvConfig.yml')
test_wifi_throughput_vs_rssi(env_config_file='EnvConfig.yml', target='ESP32C3')
test_softap_throughput_vs_rssi(env_config_file='EnvConfig.yml')
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