osmo-gsm-tester/sysmocom/suites/4g/iperf3_bidir.py

100 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python3
from osmo_gsm_tester.testenv import *
import os
# Overlay suite-specific templates folder if it exists
if os.path.isdir(os.path.join(os.path.dirname(__file__), 'templates')):
tenv.set_overlay_template_dir(os.path.join(os.path.dirname(__file__), 'templates'))
# Retrieve the number of physical ue from the test suite configuration.
test_config = tenv.config_test_specific()
nof_ue = int(test_config.get("nof_physical_ue", 1))
print(f'Number of physical ue: {nof_ue}')
ue_li = []
# Get the ue from the test configuration.
for n in range(0, nof_ue):
ue_li.append(tenv.modem())
print(f'ue index{n}: {ue_li[n]}')
epc = tenv.epc()
enb = tenv.enb()
iperf3srv = []
for n in range(0, nof_ue):
iperf3srv.append(tenv.iperf3srv({'addr': epc.tun_addr()}))
iperf3srv[n].set_run_node(epc.run_node())
iperf3srv[n].set_port(iperf3srv[n].DEFAULT_SRV_PORT + n)
# Set the iperf clients in the ue.
iperf3cli = []
for n in range(0, nof_ue):
iperf3cli.append(iperf3srv[n].create_client())
iperf3cli[n].set_run_node(ue_li[n].run_node())
for n in range(0, nof_ue):
epc.subscriber_add(ue_li[n])
epc.start()
enb.ue_add(ue_li[0])
enb.start(epc)
print('waiting for ENB to connect to EPC...')
wait(epc.enb_is_connected, enb)
print('ENB is connected to EPC')
for n in range(0, nof_ue):
ue_li[n].connect(enb)
for n in range(0, nof_ue):
iperf3srv[n].start()
proc_li = []
# Attach all the ue's.
for n in range(0, nof_ue):
max_rate_dl = enb.ue_max_rate(downlink=True, num_carriers=ue_li[n].num_carriers)
client = iperf3cli[n].prepare_test_proc(iperf3cli[n].DIR_BI, ue_li[n].netns(), bitrate=max_rate_dl)
print(f'Iperf client type: {type(client)}')
proc_li.append(client)
# Wait for all the ue's attach.
for n in range(0, nof_ue):
print(f'waiting for UE {n} to attach...')
wait(ue_li[n].is_registered)
print(f'UE {n} is attached')
# Execute the iperfs and wait for its finish.
try:
for proc in proc_li:
proc.launch()
for proc in proc_li:
proc.wait()
except Exception as e:
for proc in proc_li:
try:
proc.terminate()
except Exception:
print("Exception while terminanting process %r" % repr(process))
raise e
for n in range(0, nof_ue):
iperf3cli[n].print_results()
iperf3srv[n].print_results(iperf3cli[n].proto() == iperf3cli[n].PROTO_UDP)
# 80% of the maximum rate for half of the test duration
max_rate_ratio = 0.8
out = ''
for n in range(0, nof_ue):
half_duration = int(round(iperf3cli[n].time_sec() / 2))
max_rate_dl = enb.ue_max_rate(downlink=True, num_carriers=ue_li[n].num_carriers)
max_rate_ul = enb.ue_max_rate(downlink=False, num_carriers=ue_li[n].num_carriers)
res_str = ue_li[n].verify_metric((max_rate_dl + max_rate_ul) * max_rate_ratio, operation='max_rolling_avg', metric='dl_brate+ul_brate', criterion='gt', window=half_duration)
print(res_str)
out += res_str
if n != nof_ue - 1:
out += '\n'
test.set_report_stdout(out)