Newer
Older
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
self.checkDevTTYisUnlocked()
def TerminateCatM(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
self.picocom_closure = True
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
# dummy call to start a sudo session. The picocom command does NOT handle well the `sudo -S`
self.command('echo ' + self.ADBPassword + ' | sudo -S ls', '\$', 10)
self.command('sudo picocom --baud 921600 --flow n --databits 8 /dev/ttyUSB0', 'Terminal ready', 10)
time.sleep(1)
# Calling twice AT to clear all buffers
self.command('AT', 'OK|ERROR', 5)
self.command('AT', 'OK', 5)
# Disabling the Radio
self.command('AT+CFUN=0', 'OK', 5)
logging.debug('\u001B[1m Cellular Functionality disabled\u001B[0m')
self.close()
self.picocom_closure = False
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
self.checkDevTTYisUnlocked()
def AttachCatM(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
self.picocom_closure = True
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
# dummy call to start a sudo session. The picocom command does NOT handle well the `sudo -S`
self.command('echo ' + self.ADBPassword + ' | sudo -S ls', '\$', 10)
self.command('sudo picocom --baud 921600 --flow n --databits 8 /dev/ttyUSB0', 'Terminal ready', 10)
time.sleep(1)
# Calling twice AT to clear all buffers
self.command('AT', 'OK|ERROR', 5)
self.command('AT', 'OK', 5)
# Enabling the Radio
self.command('AT+CFUN=1', 'SIMSTORE,READY', 5)
logging.debug('\u001B[1m Cellular Functionality enabled\u001B[0m')
time.sleep(4)
# We should check if we register
count = 0
attach_cnt = 0
attach_status = False
while count < 5:
self.command('AT+CEREG?', 'OK', 5)
result = re.search('CEREG: 2,(?P<state>[0-9\-]+),', str(self.ssh.before))
if result is not None:
mDataConnectionState = int(result.group('state'))
if mDataConnectionState is not None:
if mDataConnectionState == 1:
count = 10
attach_status = True
result = re.search('CEREG: 2,1,"(?P<networky>[0-9A-Z]+)","(?P<networkz>[0-9A-Z]+)"', str(self.ssh.before))
if result is not None:
networky = result.group('networky')
networkz = result.group('networkz')
logging.debug('\u001B[1m CAT-M module attached to eNB (' + str(networky) + '/' + str(networkz) + ')\u001B[0m')
else:
logging.debug('\u001B[1m CAT-M module attached to eNB\u001B[0m')
else:
logging.debug('+CEREG: 2,' + str(mDataConnectionState))
attach_cnt = attach_cnt + 1
else:
logging.debug(str(self.ssh.before))
count = count + 1
time.sleep(1)
if attach_status:
self.command('AT+CESQ', 'OK', 5)
result = re.search('CESQ: 99,99,255,255,(?P<rsrq>[0-9]+),(?P<rsrp>[0-9]+)', str(self.ssh.before))
if result is not None:
nRSRQ = int(result.group('rsrq'))
nRSRP = int(result.group('rsrp'))
if (nRSRQ is not None) and (nRSRP is not None):
logging.debug(' RSRQ = ' + str(-20+(nRSRQ/2)) + ' dB')
logging.debug(' RSRP = ' + str(-140+nRSRP) + ' dBm')
self.close()
self.picocom_closure = False
self.checkDevTTYisUnlocked()
html_cell = '<pre style="background-color:white">CAT-M module\nAttachment Completed in ' + str(attach_cnt+4) + ' seconds'
if (nRSRQ is not None) and (nRSRP is not None):
html_cell += '\n RSRQ = ' + str(-20+(nRSRQ/2)) + ' dB'
html_cell += '\n RSRP = ' + str(-140+nRSRP) + ' dBm</pre>'
else:
html_cell += '</pre>'
html_queue.put(html_cell)
self.CreateHtmlTestRowQueue('N/A', 'OK', 1, html_queue)
else:
html_cell = '<pre style="background-color:white">CAT-M module\nAttachment Failed</pre>'
html_queue.put(html_cell)
self.CreateHtmlTestRowQueue('N/A', 'KO', 1, html_queue)
def PingCatM(self):
if self.EPCIPAddress == '' or self.EPCUserName == '' or self.EPCPassword == '' or self.EPCSourceCodePath == '':
Usage()
sys.exit('Insufficient Parameter')
check_eNB = True
check_OAI_UE = False
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)
if (pStatus < 0):
self.CreateHtmlTestRow(self.ping_args, 'KO', pStatus)
self.prematureExit = True
return
try:
statusQueue = SimpleQueue()
lock = Lock()
self.open(self.EPCIPAddress, self.EPCUserName, self.EPCPassword)
self.command('cd ' + self.EPCSourceCodePath, '\$', 5)
self.command('cd scripts', '\$', 5)
if re.match('OAI', self.EPCType, re.IGNORECASE):
logging.debug('Using the OAI EPC HSS: not implemented yet')
self.CreateHtmlTestRow(self.ping_args, 'KO', pStatus)
self.CreateHtmlTabFooter(False)
sys.exit(1)
else:
self.command('egrep --color=never "Allocated ipv4 addr" /opt/ltebox/var/log/xGwLog.0', '\$', 5)
result = re.search('Allocated ipv4 addr: (?P<ipaddr>[0-9\.]+) from Pool', str(self.ssh.before))
if result is not None:
moduleIPAddr = result.group('ipaddr')
else:
return
ping_time = re.findall("-c (\d+)",str(self.ping_args))
device_id = 'catm'
ping_status = self.command('stdbuf -o0 ping ' + self.ping_args + ' ' + str(moduleIPAddr) + ' 2>&1 | stdbuf -o0 tee ping_' + self.testCase_id + '_' + device_id + '.log', '\$', int(ping_time[0])*1.5)
# TIMEOUT CASE
if ping_status < 0:
message = 'Ping with UE (' + str(moduleIPAddr) + ') crashed due to TIMEOUT!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, moduleIPAddr, device_id, statusQueue, message)
return
result = re.search(', (?P<packetloss>[0-9\.]+)% packet loss, time [0-9\.]+ms', str(self.ssh.before))
if result is None:
message = 'Packet Loss Not Found!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, moduleIPAddr, device_id, statusQueue, message)
return
packetloss = result.group('packetloss')
if float(packetloss) == 100:
message = 'Packet Loss is 100%'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, moduleIPAddr, device_id, statusQueue, message)
return
result = re.search('rtt min\/avg\/max\/mdev = (?P<rtt_min>[0-9\.]+)\/(?P<rtt_avg>[0-9\.]+)\/(?P<rtt_max>[0-9\.]+)\/[0-9\.]+ ms', str(self.ssh.before))
if result is None:
message = 'Ping RTT_Min RTT_Avg RTT_Max Not Found!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
self.ping_iperf_wrong_exit(lock, moduleIPAddr, device_id, statusQueue, message)
return
rtt_min = result.group('rtt_min')
rtt_avg = result.group('rtt_avg')
rtt_max = result.group('rtt_max')
pal_msg = 'Packet Loss : ' + packetloss + '%'
min_msg = 'RTT(Min) : ' + rtt_min + ' ms'
avg_msg = 'RTT(Avg) : ' + rtt_avg + ' ms'
max_msg = 'RTT(Max) : ' + rtt_max + ' ms'
lock.acquire()
logging.debug('\u001B[1;37;44m ping result (' + moduleIPAddr + ') \u001B[0m')
logging.debug('\u001B[1;34m ' + pal_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + min_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + avg_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + max_msg + '\u001B[0m')
qMsg = pal_msg + '\n' + min_msg + '\n' + avg_msg + '\n' + max_msg
packetLossOK = True
if packetloss is not None:
if float(packetloss) > float(self.ping_packetloss_threshold):
qMsg += '\nPacket Loss too high'
logging.debug('\u001B[1;37;41m Packet Loss too high \u001B[0m')
packetLossOK = False
elif float(packetloss) > 0:
qMsg += '\nPacket Loss is not 0%'
logging.debug('\u001B[1;30;43m Packet Loss is not 0% \u001B[0m')
lock.release()
self.close()
html_cell = '<pre style="background-color:white">CAT-M module\nIP Address : ' + moduleIPAddr + '\n' + qMsg + '</pre>'
statusQueue.put(html_cell)
if (packetLossOK):
self.CreateHtmlTestRowQueue(self.ping_args, 'OK', 1, statusQueue)
else:
self.CreateHtmlTestRowQueue(self.ping_args, 'KO', 1, statusQueue)
self.AutoTerminateUEandeNB()
except:
os.kill(os.getppid(),signal.SIGUSR1)
try:
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
if device_id == '84B7N16418004022':
self.command('stdbuf -o0 adb -s ' + device_id + ' shell "su - root -c /data/local/tmp/on"', '\$', 60)
else:
self.command('stdbuf -o0 adb -s ' + device_id + ' shell /data/local/tmp/on', '\$', 60)
while count > 0:
self.command('stdbuf -o0 adb -s ' + device_id + ' shell dumpsys telephony.registry | grep mDataConnectionState', '\$', 15)
result = re.search('mDataConnectionState.*=(?P<state>[0-9\-]+)', str(self.ssh.before))
if result is None:
logging.debug('\u001B[1;37;41m mDataConnectionState Not Found! \u001B[0m')
lock.acquire()
statusQueue.put(-1)
statusQueue.put(device_id)
statusQueue.put('mDataConnectionState Not Found!')
lock.release()
break
mDataConnectionState = int(result.group('state'))
if mDataConnectionState == 2:
logging.debug('\u001B[1mUE (' + device_id + ') Attach Completed\u001B[0m')
lock.acquire()
statusQueue.put(max_count - count)
statusQueue.put(device_id)
statusQueue.put('Attach Completed')
lock.release()
break
count = count - 1
if count == 15 or count == 30:
logging.debug('\u001B[1;30;43m Retry UE (' + device_id + ') Flight Mode Off \u001B[0m')
if device_id == '84B7N16418004022':
self.command('stdbuf -o0 adb -s ' + device_id + ' shell "su - root -c /data/local/tmp/off"', '\$', 60)
else:
self.command('stdbuf -o0 adb -s ' + device_id + ' shell /data/local/tmp/off', '\$', 60)
if device_id == '84B7N16418004022':
self.command('stdbuf -o0 adb -s ' + device_id + ' shell "su - root -c /data/local/tmp/on"', '\$', 60)
else:
self.command('stdbuf -o0 adb -s ' + device_id + ' shell /data/local/tmp/on', '\$', 60)
logging.debug('\u001B[1mWait UE (' + device_id + ') a second until mDataConnectionState=2 (' + str(max_count-count) + ' times)\u001B[0m')
time.sleep(1)
if count == 0:
logging.debug('\u001B[1;37;41m UE (' + device_id + ') Attach Failed \u001B[0m')
lock.acquire()
statusQueue.put(-1)
statusQueue.put(device_id)
statusQueue.put('Attach Failed')
lock.release()
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def AttachUE(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
check_eNB = True
check_OAI_UE = False
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)
if (pStatus < 0):
self.CreateHtmlTestRow('N/A', 'KO', pStatus)
for device_id in self.UEDevices:
if (self.nbMaxUEtoAttach == -1) or (nb_ue_to_connect < self.nbMaxUEtoAttach):
self.UEDevicesStatus[nb_ue_to_connect] = UE_STATUS_ATTACHING
p = Process(target = self.AttachUE_common, args = (device_id, status_queue, lock,))
p.daemon = True
p.start()
multi_jobs.append(p)
nb_ue_to_connect = nb_ue_to_connect + 1
for job in multi_jobs:
job.join()
self.CreateHtmlTestRow('N/A', 'KO', ALL_PROCESSES_OK)
else:
attach_status = True
html_queue = SimpleQueue()
while (not status_queue.empty()):
count = status_queue.get()
if (count < 0):
attach_status = False
device_id = status_queue.get()
message = status_queue.get()
if (count < 0):
html_cell = '<pre style="background-color:white">UE (' + device_id + ')\n' + message + '</pre>'
html_cell = '<pre style="background-color:white">UE (' + device_id + ')\n' + message + ' in ' + str(count + 2) + ' seconds</pre>'
cnt = 0
while cnt < len(self.UEDevices):
if self.UEDevicesStatus[cnt] == UE_STATUS_ATTACHING:
self.UEDevicesStatus[cnt] = UE_STATUS_ATTACHED
cnt += 1
self.CreateHtmlTestRowQueue('N/A', 'OK', len(self.UEDevices), html_queue)
result = re.search('T_stdout', str(self.Initialize_eNB_args))
if result is not None:
logging.debug('Waiting 5 seconds to fill up record file')
time.sleep(5)
else:
self.CreateHtmlTestRowQueue('N/A', 'KO', len(self.UEDevices), html_queue)
def DetachUE_common(self, device_id):
try:
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
if device_id == '84B7N16418004022':
self.command('stdbuf -o0 adb -s ' + device_id + ' shell "su - root -c /data/local/tmp/off"', '\$', 60)
else:
self.command('stdbuf -o0 adb -s ' + device_id + ' shell /data/local/tmp/off', '\$', 60)
logging.debug('\u001B[1mUE (' + device_id + ') Detach Completed\u001B[0m')
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def DetachUE(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)
if (pStatus < 0):
self.CreateHtmlTestRow('N/A', 'KO', pStatus)
for device_id in self.UEDevices:
self.UEDevicesStatus[cnt] = UE_STATUS_DETACHING
p = Process(target = self.DetachUE_common, args = (device_id,))
p.daemon = True
p.start()
multi_jobs.append(p)
for job in multi_jobs:
job.join()
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
result = re.search('T_stdout', str(self.Initialize_eNB_args))
if result is not None:
logging.debug('Waiting 5 seconds to fill up record file')
time.sleep(5)
cnt = 0
while cnt < len(self.UEDevices):
self.UEDevicesStatus[cnt] = UE_STATUS_DETACHED
cnt += 1
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
def RebootUE_common(self, device_id):
try:
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
previousmDataConnectionStates = []
# Save mDataConnectionState
self.command('stdbuf -o0 adb -s ' + device_id + ' shell dumpsys telephony.registry | grep mDataConnectionState', '\$', 15)
self.command('stdbuf -o0 adb -s ' + device_id + ' shell dumpsys telephony.registry | grep mDataConnectionState', '\$', 15)
result = re.search('mDataConnectionState.*=(?P<state>[0-9\-]+)', str(self.ssh.before))
if result is None:
logging.debug('\u001B[1;37;41m mDataConnectionState Not Found! \u001B[0m')
sys.exit(1)
previousmDataConnectionStates.append(int(result.group('state')))
# Reboot UE
self.command('stdbuf -o0 adb -s ' + device_id + ' shell reboot', '\$', 10)
time.sleep(60)
previousmDataConnectionState = previousmDataConnectionStates.pop(0)
count = 180
while count > 0:
count = count - 1
self.command('stdbuf -o0 adb -s ' + device_id + ' shell dumpsys telephony.registry | grep mDataConnectionState', '\$', 15)
result = re.search('mDataConnectionState.*=(?P<state>[0-9\-]+)', str(self.ssh.before))
if result is None:
mDataConnectionState = None
else:
mDataConnectionState = int(result.group('state'))
logging.debug('mDataConnectionState = ' + result.group('state'))
if mDataConnectionState is None or (previousmDataConnectionState == 2 and mDataConnectionState != 2):
logging.debug('\u001B[1mWait UE (' + device_id + ') a second until reboot completion (' + str(180-count) + ' times)\u001B[0m')
time.sleep(1)
else:
logging.debug('\u001B[1mUE (' + device_id + ') Reboot Completed\u001B[0m')
break
if count == 0:
logging.debug('\u001B[1;37;41m UE (' + device_id + ') Reboot Failed \u001B[0m')
sys.exit(1)
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def RebootUE(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)
if (pStatus < 0):
self.CreateHtmlTestRow('N/A', 'KO', pStatus)
self.CreateHtmlTabFooter(False)
multi_jobs = []
for device_id in self.UEDevices:
p = Process(target = self.RebootUE_common, args = (device_id,))
p.daemon = True
p.start()
multi_jobs.append(p)
for job in multi_jobs:
job.join()
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)

Raphael Defosseux
committed
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
def DataDisableUE_common(self, device_id):
try:
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
# enable data service
self.command('stdbuf -o0 adb -s ' + device_id + ' shell svc data disable', '\$', 60)
logging.debug('\u001B[1mUE (' + device_id + ') Disabled Data Service\u001B[0m')
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def DataDisableUE(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
multi_jobs = []
for device_id in self.UEDevices:
p = Process(target = self.DataDisableUE_common, args = (device_id,))
p.daemon = True
p.start()
multi_jobs.append(p)
for job in multi_jobs:
job.join()
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
def DataEnableUE_common(self, device_id):
try:
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
# enable data service
self.command('stdbuf -o0 adb -s ' + device_id + ' shell svc data enable', '\$', 60)
logging.debug('\u001B[1mUE (' + device_id + ') Enabled Data Service\u001B[0m')
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def DataEnableUE(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
multi_jobs = []
for device_id in self.UEDevices:
p = Process(target = self.DataEnableUE_common, args = (device_id,))
p.daemon = True
p.start()
multi_jobs.append(p)
for job in multi_jobs:
job.join()
self.CreateHtmlTestRow('N/A', 'OK', ALL_PROCESSES_OK)
def GetAllUEDevices(self, terminate_ue_flag):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
self.command('adb devices', '\$', 15)
self.UEDevices = re.findall("\\\\r\\\\n([A-Za-z0-9]+)\\\\tdevice",str(self.ssh.before))
if terminate_ue_flag == False:
if len(self.UEDevices) == 0:
logging.debug('\u001B[1;37;41m UE Not Found! \u001B[0m')
sys.exit(1)
if len(self.UEDevicesStatus) == 0:
cnt = 0
while cnt < len(self.UEDevices):
self.UEDevicesStatus.append(UE_STATUS_DETACHED)
cnt += 1
self.close()
def GetAllCatMDevices(self, terminate_ue_flag):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
self.command('lsusb | egrep "Future Technology Devices International, Ltd FT2232C" | sed -e "s#:.*##" -e "s# #_#g"', '\$', 15)
self.CatMDevices = re.findall("\\\\r\\\\n([A-Za-z0-9_]+)",str(self.ssh.before))
if terminate_ue_flag == False:
if len(self.CatMDevices) == 0:
logging.debug('\u001B[1;37;41m CAT-M UE Not Found! \u001B[0m')
sys.exit(1)
self.close()

Raphael Defosseux
committed
def CheckUEStatus_common(self, lock, device_id, statusQueue):
try:
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
self.command('stdbuf -o0 adb -s ' + device_id + ' shell dumpsys telephony.registry', '\$', 15)
result = re.search('mServiceState=(?P<serviceState>[0-9]+)', str(self.ssh.before))
serviceState = 'Service State: UNKNOWN'
if result is not None:
lServiceState = int(result.group('serviceState'))
if lServiceState == 3:
serviceState = 'Service State: RADIO_POWERED_OFF'
if lServiceState == 1:
serviceState = 'Service State: OUT_OF_SERVICE'
if lServiceState == 0:
serviceState = 'Service State: IN_SERVICE'
if lServiceState == 2:
serviceState = 'Service State: EMERGENCY_ONLY'
result = re.search('mDataConnectionState=(?P<dataConnectionState>[0-9]+)', str(self.ssh.before))
dataConnectionState = 'Data State: UNKNOWN'
if result is not None:
lDataConnectionState = int(result.group('dataConnectionState'))
if lDataConnectionState == 0:
dataConnectionState = 'Data State: DISCONNECTED'
if lDataConnectionState == 1:
dataConnectionState = 'Data State: CONNECTING'
if lDataConnectionState == 2:
dataConnectionState = 'Data State: CONNECTED'
if lDataConnectionState == 3:
dataConnectionState = 'Data State: SUSPENDED'
result = re.search('mDataConnectionReason=(?P<dataConnectionReason>[0-9a-zA-Z_]+)', str(self.ssh.before))
dataConnectionReason = 'Data Reason: UNKNOWN'
if result is not None:
dataConnectionReason = 'Data Reason: ' + result.group('dataConnectionReason')

Raphael Defosseux
committed
lock.acquire()
logging.debug('\u001B[1;37;44m Status Check (' + str(device_id) + ') \u001B[0m')
logging.debug('\u001B[1;34m ' + serviceState + '\u001B[0m')
logging.debug('\u001B[1;34m ' + dataConnectionState + '\u001B[0m')
logging.debug('\u001B[1;34m ' + dataConnectionReason + '\u001B[0m')

Raphael Defosseux
committed
statusQueue.put(0)
statusQueue.put(device_id)
qMsg = serviceState + '\n' + dataConnectionState + '\n' + dataConnectionReason
statusQueue.put(qMsg)

Raphael Defosseux
committed
lock.release()
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def CheckStatusUE(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
check_eNB = True
check_OAI_UE = False
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)

Raphael Defosseux
committed
if (pStatus < 0):
self.CreateHtmlTestRow('N/A', 'KO', pStatus)
self.CreateHtmlTabFooter(False)
sys.exit(1)
multi_jobs = []
lock = Lock()
status_queue = SimpleQueue()
for device_id in self.UEDevices:
p = Process(target = self.CheckUEStatus_common, args = (lock,device_id,status_queue,))
p.daemon = True
p.start()
multi_jobs.append(p)
for job in multi_jobs:
job.join()
if self.flexranCtrlInstalled and self.flexranCtrlStarted:
self.open(self.EPCIPAddress, self.EPCUserName, self.EPCPassword)
self.command('cd /opt/flexran_rtc', '\$', 5)
self.command('curl http://localhost:9999/stats | jq \'.\' > log/check_status_' + self.testCase_id + '.log 2>&1', '\$', 5)
self.command('cat log/check_status_' + self.testCase_id + '.log | jq \'.eNB_config[0].UE\' | grep -c rnti | sed -e "s#^#Nb Connected UE = #"', '\$', 5)
result = re.search('Nb Connected UE = (?P<nb_ues>[0-9]+)', str(self.ssh.before))
passStatus = True
if result is not None:
nb_ues = int(result.group('nb_ues'))
htmlOptions = 'Nb Connected UE(s) to eNB = ' + str(nb_ues)
logging.debug('\u001B[1;37;44m ' + htmlOptions + ' \u001B[0m')
if self.expectedNbOfConnectedUEs > -1:
if nb_ues != self.expectedNbOfConnectedUEs:
passStatus = False
else:
htmlOptions = 'N/A'
self.close()
else:

Raphael Defosseux
committed
passStatus = True

Raphael Defosseux
committed
if (status_queue.empty()):
self.CreateHtmlTestRow(htmlOptions, 'KO', ALL_PROCESSES_OK)

Raphael Defosseux
committed
self.AutoTerminateUEandeNB()
else:
check_status = True
html_queue = SimpleQueue()
while (not status_queue.empty()):
count = status_queue.get()
if (count < 0):
check_status = False
device_id = status_queue.get()
message = status_queue.get()
html_cell = '<pre style="background-color:white">UE (' + device_id + ')\n' + message + '</pre>'
html_queue.put(html_cell)
if check_status and passStatus:
self.CreateHtmlTestRowQueue(htmlOptions, 'OK', len(self.UEDevices), html_queue)

Raphael Defosseux
committed
else:
self.CreateHtmlTestRowQueue(htmlOptions, 'KO', len(self.UEDevices), html_queue)

Raphael Defosseux
committed
self.AutoTerminateUEandeNB()
def GetAllUEIPAddresses(self):
if self.ADBIPAddress == '' or self.ADBUserName == '' or self.ADBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
if (len(self.UEDevices) == 1) and (self.UEDevices[0] == 'OAI-UE'):
if self.UEIPAddress == '' or self.UEUserName == '' or self.UEPassword == '' or self.UESourceCodePath == '':
Usage()
sys.exit('Insufficient Parameter')
self.open(self.UEIPAddress, self.UEUserName, self.UEPassword)
self.command('ifconfig oaitun_ue1', '\$', 4)
result = re.search('inet addr:(?P<ueipaddress>[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)', str(self.ssh.before))
if result is not None:
UE_IPAddress = result.group('ueipaddress')
logging.debug('\u001B[1mUE (' + self.UEDevices[0] + ') IP Address is ' + UE_IPAddress + '\u001B[0m')
self.UEIPAddresses.append(UE_IPAddress)
else:
logging.debug('\u001B[1;37;41m UE IP Address Not Found! \u001B[0m')
ue_ip_status -= 1
self.close()
return ue_ip_status
self.open(self.ADBIPAddress, self.ADBUserName, self.ADBPassword)
for device_id in self.UEDevices:
if self.UEDevicesStatus[idx] != UE_STATUS_ATTACHED:
idx += 1
continue
count = 0
while count < 4:
self.command('stdbuf -o0 adb -s ' + device_id + ' shell ip addr show | grep rmnet', '\$', 15)
result = re.search('inet (?P<ueipaddress>[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\/[0-9]+[0-9a-zA-Z\.\s]+', str(self.ssh.before))
if result is None:
logging.debug('\u001B[1;37;41m UE IP Address Not Found! \u001B[0m')
count += 1
else:
count = 10
if count < 9:
ue_ip_status -= 1
continue
UE_IPAddress = result.group('ueipaddress')
logging.debug('\u001B[1mUE (' + device_id + ') IP Address is ' + UE_IPAddress + '\u001B[0m')
for ueipaddress in self.UEIPAddresses:
if ueipaddress == UE_IPAddress:

Raphael Defosseux
committed
logging.debug('\u001B[1mUE (' + device_id + ') IP Address ' + UE_IPAddress + ': has already been allocated to another device !' + '\u001B[0m')
ue_ip_status -= 1
continue
self.UEIPAddresses.append(UE_IPAddress)
def ping_iperf_wrong_exit(self, lock, UE_IPAddress, device_id, statusQueue, message):
lock.acquire()
statusQueue.put(-1)
statusQueue.put(device_id)
statusQueue.put(UE_IPAddress)
statusQueue.put(message)
lock.release()
def Ping_common(self, lock, UE_IPAddress, device_id, statusQueue):
try:
self.open(self.EPCIPAddress, self.EPCUserName, self.EPCPassword)
self.command('cd ' + self.EPCSourceCodePath, '\$', 5)
self.command('cd scripts', '\$', 5)
ping_time = re.findall("-c (\d+)",str(self.ping_args))
ping_status = self.command('stdbuf -o0 ping ' + self.ping_args + ' ' + UE_IPAddress + ' 2>&1 | stdbuf -o0 tee ping_' + self.testCase_id + '_' + device_id + '.log', '\$', int(ping_time[0])*1.5)
# TIMEOUT CASE
if ping_status < 0:
message = 'Ping with UE (' + str(UE_IPAddress) + ') crashed due to TIMEOUT!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, UE_IPAddress, device_id, statusQueue, message)
return
result = re.search(', (?P<packetloss>[0-9\.]+)% packet loss, time [0-9\.]+ms', str(self.ssh.before))
if result is None:
message = 'Packet Loss Not Found!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, UE_IPAddress, device_id, statusQueue, message)
packetloss = result.group('packetloss')
if float(packetloss) == 100:
message = 'Packet Loss is 100%'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, UE_IPAddress, device_id, statusQueue, message)
result = re.search('rtt min\/avg\/max\/mdev = (?P<rtt_min>[0-9\.]+)\/(?P<rtt_avg>[0-9\.]+)\/(?P<rtt_max>[0-9\.]+)\/[0-9\.]+ ms', str(self.ssh.before))
if result is None:
message = 'Ping RTT_Min RTT_Avg RTT_Max Not Found!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.close()
self.ping_iperf_wrong_exit(lock, UE_IPAddress, device_id, statusQueue, message)
rtt_min = result.group('rtt_min')
rtt_avg = result.group('rtt_avg')
rtt_max = result.group('rtt_max')
pal_msg = 'Packet Loss : ' + packetloss + '%'
min_msg = 'RTT(Min) : ' + rtt_min + ' ms'
avg_msg = 'RTT(Avg) : ' + rtt_avg + ' ms'
max_msg = 'RTT(Max) : ' + rtt_max + ' ms'
lock.acquire()
logging.debug('\u001B[1;37;44m ping result (' + UE_IPAddress + ') \u001B[0m')
logging.debug('\u001B[1;34m ' + pal_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + min_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + avg_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + max_msg + '\u001B[0m')
qMsg = pal_msg + '\n' + min_msg + '\n' + avg_msg + '\n' + max_msg
packetLossOK = True
if packetloss is not None:
if float(packetloss) > float(self.ping_packetloss_threshold):
logging.debug('\u001B[1;37;41m Packet Loss too high \u001B[0m')
elif float(packetloss) > 0:
logging.debug('\u001B[1;30;43m Packet Loss is not 0% \u001B[0m')
if (packetLossOK):
statusQueue.put(0)
else:
statusQueue.put(-1)
statusQueue.put(device_id)
statusQueue.put(UE_IPAddress)
statusQueue.put(qMsg)
lock.release()
self.close()
except:
os.kill(os.getppid(),signal.SIGUSR1)
def PingNoS1_wrong_exit(self, qMsg):
html_queue = SimpleQueue()
html_cell = '<pre style="background-color:white">OAI UE ping result\n' + qMsg + '</pre>'
html_queue.put(html_cell)
self.CreateHtmlTestRowQueue(self.ping_args, 'KO', len(self.UEDevices), html_queue)
def PingNoS1(self):
check_eNB = True
check_OAI_UE = True
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)
if (pStatus < 0):
self.CreateHtmlTestRow(self.ping_args, 'KO', pStatus)
self.AutoTerminateUEandeNB()
ping_from_eNB = re.search('oaitun_enb1', str(self.ping_args))
if ping_from_eNB is not None:
if self.eNBIPAddress == '' or self.eNBUserName == '' or self.eNBPassword == '':
Usage()
sys.exit('Insufficient Parameter')
else:
if self.UEIPAddress == '' or self.UEUserName == '' or self.UEPassword == '':
Usage()
sys.exit('Insufficient Parameter')
try:
if ping_from_eNB is not None:
self.open(self.eNBIPAddress, self.eNBUserName, self.eNBPassword)
self.command('cd ' + self.eNBSourceCodePath + '/cmake_targets/', '\$', 5)
else:
self.open(self.UEIPAddress, self.UEUserName, self.UEPassword)
self.command('cd ' + self.UESourceCodePath + '/cmake_targets/', '\$', 5)
self.command('cd cmake_targets', '\$', 5)
ping_time = re.findall("-c (\d+)",str(self.ping_args))
ping_status = self.command('stdbuf -o0 ping ' + self.ping_args + ' 2>&1 | stdbuf -o0 tee ping_' + self.testCase_id + '.log', '\$', int(ping_time[0])*1.5)
# TIMEOUT CASE
if ping_status < 0:
message = 'Ping with OAI UE crashed due to TIMEOUT!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.PingNoS1_wrong_exit(message)
return
result = re.search(', (?P<packetloss>[0-9\.]+)% packet loss, time [0-9\.]+ms', str(self.ssh.before))
if result is None:
message = 'Packet Loss Not Found!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.PingNoS1_wrong_exit(message)
return
packetloss = result.group('packetloss')
if float(packetloss) == 100:
message = 'Packet Loss is 100%'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.PingNoS1_wrong_exit(message)
return
result = re.search('rtt min\/avg\/max\/mdev = (?P<rtt_min>[0-9\.]+)\/(?P<rtt_avg>[0-9\.]+)\/(?P<rtt_max>[0-9\.]+)\/[0-9\.]+ ms', str(self.ssh.before))
if result is None:
message = 'Ping RTT_Min RTT_Avg RTT_Max Not Found!'
logging.debug('\u001B[1;37;41m ' + message + ' \u001B[0m')
self.PingNoS1_wrong_exit(message)
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
return
rtt_min = result.group('rtt_min')
rtt_avg = result.group('rtt_avg')
rtt_max = result.group('rtt_max')
pal_msg = 'Packet Loss : ' + packetloss + '%'
min_msg = 'RTT(Min) : ' + rtt_min + ' ms'
avg_msg = 'RTT(Avg) : ' + rtt_avg + ' ms'
max_msg = 'RTT(Max) : ' + rtt_max + ' ms'
logging.debug('\u001B[1;37;44m OAI UE ping result \u001B[0m')
logging.debug('\u001B[1;34m ' + pal_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + min_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + avg_msg + '\u001B[0m')
logging.debug('\u001B[1;34m ' + max_msg + '\u001B[0m')
qMsg = pal_msg + '\n' + min_msg + '\n' + avg_msg + '\n' + max_msg
packetLossOK = True
if packetloss is not None:
if float(packetloss) > float(self.ping_packetloss_threshold):
qMsg += '\nPacket Loss too high'
logging.debug('\u001B[1;37;41m Packet Loss too high \u001B[0m')
packetLossOK = False
elif float(packetloss) > 0:
qMsg += '\nPacket Loss is not 0%'
logging.debug('\u001B[1;30;43m Packet Loss is not 0% \u001B[0m')
self.close()
html_queue = SimpleQueue()
ip_addr = 'TBD'
html_cell = '<pre style="background-color:white">OAI UE ping result\n' + qMsg + '</pre>'
html_queue.put(html_cell)
if packetLossOK:
self.CreateHtmlTestRowQueue(self.ping_args, 'OK', len(self.UEDevices), html_queue)
else:
self.CreateHtmlTestRowQueue(self.ping_args, 'KO', len(self.UEDevices), html_queue)
# copying on the EPC server for logCollection
if ping_from_eNB is not None:
copyin_res = self.copyin(self.eNBIPAddress, self.eNBUserName, self.eNBPassword, self.eNBSourceCodePath + '/cmake_targets/ping_' + self.testCase_id + '.log', '.')
else:
copyin_res = self.copyin(self.UEIPAddress, self.UEUserName, self.UEPassword, self.UESourceCodePath + '/cmake_targets/ping_' + self.testCase_id + '.log', '.')
if (copyin_res == 0):
self.copyout(self.EPCIPAddress, self.EPCUserName, self.EPCPassword, 'ping_' + self.testCase_id + '.log', self.EPCSourceCodePath + '/scripts')
except:
os.kill(os.getppid(),signal.SIGUSR1)
result = re.search('noS1', str(self.Initialize_eNB_args))
if result is not None:
self.PingNoS1()
return
if self.EPCIPAddress == '' or self.EPCUserName == '' or self.EPCPassword == '' or self.EPCSourceCodePath == '':
Usage()
sys.exit('Insufficient Parameter')
if (len(self.UEDevices) == 1) and (self.UEDevices[0] == 'OAI-UE'):
check_OAI_UE = True
else:
check_OAI_UE = False
pStatus = self.CheckProcessExist(check_eNB, check_OAI_UE)
if (pStatus < 0):
self.CreateHtmlTestRow(self.ping_args, 'KO', pStatus)
self.AutoTerminateUEandeNB()
ueIpStatus = self.GetAllUEIPAddresses()
if (ueIpStatus < 0):
self.CreateHtmlTestRow(self.ping_args, 'KO', UE_IP_ADDRESS_ISSUE)
self.AutoTerminateUEandeNB()
multi_jobs = []
i = 0
lock = Lock()
for UE_IPAddress in self.UEIPAddresses:
device_id = self.UEDevices[i]
p = Process(target = self.Ping_common, args = (lock,UE_IPAddress,device_id,status_queue,))
p.daemon = True
p.start()
multi_jobs.append(p)
i = i + 1
for job in multi_jobs:
job.join()
self.CreateHtmlTestRow(self.ping_args, 'KO', ALL_PROCESSES_OK)
else:
ping_status = True
html_queue = SimpleQueue()
while (not status_queue.empty()):
count = status_queue.get()
if (count < 0):
ping_status = False
device_id = status_queue.get()
ip_addr = status_queue.get()
message = status_queue.get()
html_cell = '<pre style="background-color:white">UE (' + device_id + ')\nIP Address : ' + ip_addr + '\n' + message + '</pre>'
html_queue.put(html_cell)
if (ping_status):
self.CreateHtmlTestRowQueue(self.ping_args, 'OK', len(self.UEDevices), html_queue)
else:
self.CreateHtmlTestRowQueue(self.ping_args, 'KO', len(self.UEDevices), html_queue)
def Iperf_ComputeTime(self):
result = re.search('-t (?P<iperf_time>\d+)', str(self.iperf_args))
if result is None:
logging.debug('\u001B[1;37;41m Iperf time Not Found! \u001B[0m')
sys.exit(1)
return result.group('iperf_time')
def Iperf_ComputeModifiedBW(self, idx, ue_num):
result = re.search('-b (?P<iperf_bandwidth>[0-9\.]+)[KMG]', str(self.iperf_args))
if result is None:
logging.debug('\u001B[1;37;41m Iperf bandwidth Not Found! \u001B[0m')
sys.exit(1)
iperf_bandwidth = result.group('iperf_bandwidth')
if self.iperf_profile == 'balanced':
iperf_bandwidth_new = float(iperf_bandwidth)/ue_num
if self.iperf_profile == 'single-ue':
iperf_bandwidth_new = float(iperf_bandwidth)
if self.iperf_profile == 'unbalanced':
# residual is 2% of max bw
residualBW = float(iperf_bandwidth) / 50
if idx == 0:
iperf_bandwidth_new = float(iperf_bandwidth) - ((ue_num - 1) * residualBW)
else:
iperf_bandwidth_new = residualBW
iperf_bandwidth_str = '-b ' + iperf_bandwidth
iperf_bandwidth_str_new = '-b ' + ('%.2f' % iperf_bandwidth_new)
result = re.sub(iperf_bandwidth_str, iperf_bandwidth_str_new, str(self.iperf_args))
if result is None:
logging.debug('\u001B[1;37;41m Calculate Iperf bandwidth Failed! \u001B[0m')
sys.exit(1)
return result
def Iperf_analyzeV2TCPOutput(self, lock, UE_IPAddress, device_id, statusQueue, iperf_real_options):
self.command('awk -f /tmp/tcp_iperf_stats.awk /tmp/CI-eNB/scripts/iperf_' + self.testCase_id + '_' + device_id + '.log', '\$', 5)
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
result = re.search('Avg Bitrate : (?P<average>[0-9\.]+ Mbits\/sec) Max Bitrate : (?P<maximum>[0-9\.]+ Mbits\/sec) Min Bitrate : (?P<minimum>[0-9\.]+ Mbits\/sec)', str(self.ssh.before))
if result is not None:
avgbitrate = result.group('average')
maxbitrate = result.group('maximum')
minbitrate = result.group('minimum')
lock.acquire()
logging.debug('\u001B[1;37;44m TCP iperf result (' + UE_IPAddress + ') \u001B[0m')
msg = 'TCP Stats :\n'
if avgbitrate is not None:
logging.debug('\u001B[1;34m Avg Bitrate : ' + avgbitrate + '\u001B[0m')
msg += 'Avg Bitrate : ' + avgbitrate + '\n'
if maxbitrate is not None:
logging.debug('\u001B[1;34m Max Bitrate : ' + maxbitrate + '\u001B[0m')
msg += 'Max Bitrate : ' + maxbitrate + '\n'
if minbitrate is not None:
logging.debug('\u001B[1;34m Min Bitrate : ' + minbitrate + '\u001B[0m')
msg += 'Min Bitrate : ' + minbitrate + '\n'
statusQueue.put(0)
statusQueue.put(device_id)
statusQueue.put(UE_IPAddress)
statusQueue.put(msg)
lock.release()
return 0
def Iperf_analyzeV2Output(self, lock, UE_IPAddress, device_id, statusQueue, iperf_real_options):
result = re.search('-u', str(iperf_real_options))
if result is None:
return self.Iperf_analyzeV2TCPOutput(lock, UE_IPAddress, device_id, statusQueue, iperf_real_options)
result = re.search('Server Report:', str(self.ssh.before))
if result is None:
result = re.search('read failed: Connection refused', str(self.ssh.before))
if result is not None:
logging.debug('\u001B[1;37;41m Could not connect to iperf server! \u001B[0m')
else:
logging.debug('\u001B[1;37;41m Server Report and Connection refused Not Found! \u001B[0m')
# Computing the requested bandwidth in float
result = re.search('-b (?P<iperf_bandwidth>[0-9\.]+)[KMG]', str(iperf_real_options))
if result is not None:
req_bandwidth = result.group('iperf_bandwidth')
req_bw = float(req_bandwidth)
result = re.search('-b [0-9\.]+K', str(iperf_real_options))
if result is not None:
req_bandwidth = '%.1f Kbits/sec' % req_bw
req_bw = req_bw * 1000
result = re.search('-b [0-9\.]+M', str(iperf_real_options))
if result is not None:
req_bandwidth = '%.1f Mbits/sec' % req_bw
req_bw = req_bw * 1000000
result = re.search('-b [0-9\.]+G', str(iperf_real_options))
if result is not None:
req_bandwidth = '%.1f Gbits/sec' % req_bw
req_bw = req_bw * 1000000000
result = re.search('Server Report:\\\\r\\\\n(?:|\[ *\d+\].*) (?P<bitrate>[0-9\.]+ [KMG]bits\/sec) +(?P<jitter>[0-9\.]+ ms) +(\d+\/..\d+) (\((?P<packetloss>[0-9\.]+)%\))', str(self.ssh.before))
if result is not None:
bitrate = result.group('bitrate')
packetloss = result.group('packetloss')
jitter = result.group('jitter')
lock.acquire()
logging.debug('\u001B[1;37;44m iperf result (' + UE_IPAddress + ') \u001B[0m')
msg = 'Req Bitrate : ' + req_bandwidth + '\n'
logging.debug('\u001B[1;34m Req Bitrate : ' + req_bandwidth + '\u001B[0m')
logging.debug('\u001B[1;34m Bitrate : ' + bitrate + '\u001B[0m')
result = re.search('(?P<real_bw>[0-9\.]+) [KMG]bits/sec', str(bitrate))
if result is not None:
actual_bw = float(str(result.group('real_bw')))
result = re.search('[0-9\.]+ K', bitrate)
if result is not None:
actual_bw = actual_bw * 1000
result = re.search('[0-9\.]+ M', bitrate)
if result is not None:
actual_bw = actual_bw * 1000000
result = re.search('[0-9\.]+ G', bitrate)
if result is not None:
actual_bw = actual_bw * 1000000000
br_loss = 100 * actual_bw / req_bw