79 lines
2.3 KiB
Python
Executable File
79 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
from osmo_gsm_tester.testenv import *
|
|
|
|
import time
|
|
|
|
test_config = tenv.config_test_specific()
|
|
duration = int(test_config.get('duration', 0)) # 0 = one HO loop
|
|
threshold = int(test_config.get('threshold', 2))
|
|
|
|
import pprint
|
|
print("TEST_CONFIG:\n" + pprint.pformat(test_config))
|
|
|
|
# attenuation from 0 to 10, then back to 0
|
|
cell1_att_li = list(range(0, 11, 1)) + list(range(9, -1, -1))
|
|
# attenuation from 10 to 0, then back to 10
|
|
cell2_att_li = list(range(10, 0, -1)) + list(range(0, 11, 1))
|
|
|
|
def do_one_ho_loop(rfemu_cell1, rfemu_cell2):
|
|
step = 0
|
|
while step < len(cell1_att_li):
|
|
rfemu_cell1.set_attenuation(cell1_att_li[step])
|
|
rfemu_cell2.set_attenuation(cell2_att_li[step])
|
|
step += 1
|
|
sleep(1)
|
|
|
|
epc = tenv.epc()
|
|
enb = tenv.enb()
|
|
ue = tenv.modem()
|
|
iperf3srv = tenv.iperf3srv({'addr': epc.tun_addr()})
|
|
iperf3srv.set_run_node(epc.run_node())
|
|
iperf3cli = iperf3srv.create_client()
|
|
iperf3cli.set_run_node(ue.run_node())
|
|
|
|
epc.subscriber_add(ue)
|
|
epc.start()
|
|
enb.ue_add(ue)
|
|
enb.start(epc)
|
|
|
|
print('waiting for ENB to connect to EPC...')
|
|
wait(epc.enb_is_connected, enb)
|
|
print('ENB is connected to EPC')
|
|
|
|
ue.connect(enb)
|
|
|
|
iperf3srv.start()
|
|
proc = iperf3cli.prepare_test_proc(iperf3cli.DIR_UL, ue.netns(), duration + 30)
|
|
|
|
print('waiting for UE to attach...')
|
|
wait(ue.is_connected, None)
|
|
print('UE is attached')
|
|
|
|
rfemu_cell1 = enb.get_rfemu(0)
|
|
rfemu_cell2 = enb.get_rfemu(1)
|
|
|
|
print('Iterating for %d seconds to produce at least %d handovers...' % (duration, threshold))
|
|
try:
|
|
proc.launch()
|
|
t_end = time.time() + duration
|
|
if duration == 0:
|
|
t_end += 1 # allow loop to run once
|
|
while time.time() < t_end:
|
|
do_one_ho_loop(rfemu_cell1, rfemu_cell2)
|
|
num_handovers = ue.get_counter('handover_success')
|
|
if num_handovers < threshold:
|
|
raise Exception('Wrong number of handovers %d < threshold %d during %d seconds' % (num_handovers, threshold, duration))
|
|
except Exception as e:
|
|
try:
|
|
proc.terminate() # make sure we always terminate the process
|
|
except Exception:
|
|
print("Exception while terminating process %r" % repr(process))
|
|
raise e
|
|
|
|
rest_str = 'Got %d successful handovers (>= %d) during %d seconds' % (num_handovers, threshold, duration)
|
|
print(res_str)
|
|
test.set_report_stdout(res_str)
|
|
proc.terminate()
|
|
proc.wait()
|
|
print("Done")
|