Pau Espin Pedrol | eaefe6b | 2020-04-20 13:29:59 +0200 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
| 2 | from osmo_gsm_tester.testenv import * |
| 3 | |
| 4 | epc = suite.epc() |
| 5 | enb = suite.enb() |
| 6 | ue = suite.modem() |
| 7 | iperf3srv = suite.iperf3srv({'addr': epc.tun_addr()}) |
| 8 | iperf3srv.set_run_node(epc.run_node()) |
| 9 | iperf3cli = iperf3srv.create_client() |
| 10 | iperf3cli.set_run_node(ue.run_node()) |
| 11 | |
| 12 | epc.subscriber_add(ue) |
| 13 | epc.start() |
| 14 | enb.ue_add(ue) |
| 15 | enb.start(epc) |
| 16 | |
| 17 | print('waiting for ENB to connect to EPC...') |
| 18 | wait(epc.enb_is_connected, enb) |
| 19 | print('ENB is connected to EPC') |
| 20 | |
| 21 | ue.connect(enb) |
| 22 | |
| 23 | iperf3srv.start() |
| 24 | proc = iperf3cli.prepare_test_proc(False, ue.netns(), 30) |
| 25 | |
| 26 | print('waiting for UE to attach...') |
| 27 | wait(ue.is_connected, None) |
| 28 | print('UE is attached') |
| 29 | |
| 30 | rfemu_cell1 = enb.get_rfemu(0) |
| 31 | rfemu_cell2 = enb.get_rfemu(1) |
| 32 | |
| 33 | # attenuation from 0 to 10, then back to 0 |
| 34 | cell1_att_li = list(range(0, 11, 1)) + list(range(9, -1, -1)) |
| 35 | # attenuation from 10 to 0, then back to 10 |
| 36 | cell2_att_li = list(range(10, 0, -1)) + list(range(0, 11, 1)) |
| 37 | |
| 38 | try: |
| 39 | proc.launch() |
| 40 | step = 0 |
| 41 | while step < len(cell1_att_li): |
| 42 | rfemu_cell1.set_attenuation(cell1_att_li[step]) |
| 43 | rfemu_cell2.set_attenuation(cell2_att_li[step]) |
| 44 | step += 1 |
| 45 | sleep(1) |
| 46 | num_handovers = ue.get_counter('handover_success') |
| 47 | if num_handovers != 2: |
| 48 | raise Exception('Wrong number of handovers %d vs expected 2' % num_handovers) |
| 49 | except Exception as e: |
| 50 | try: |
| 51 | proc.terminate() # make sure we always terminate the process |
| 52 | except Exception: |
| 53 | print("Exception while terminating process %r" % repr(process)) |
| 54 | raise e |
| 55 | |
| 56 | rest_str = 'Got %d successful handovers' % num_handovers |
| 57 | print(res_str) |
| 58 | test.set_report_stdout(res_str) |
| 59 | proc.terminate() |
| 60 | proc.wait() |
| 61 | print("Done") |