1 #!/usr/bin/python3.4 2 # 3 # Copyright 2018 - The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 import queue 18 import time 19 20 from acts import asserts 21 from acts.test_utils.wifi.aware import aware_const as aconsts 22 from acts.test_utils.wifi.aware import aware_test_utils as autils 23 from acts.test_utils.wifi.aware.AwareBaseTest import AwareBaseTest 24 from acts.test_utils.wifi.rtt import rtt_const as rconsts 25 from acts.test_utils.wifi.rtt import rtt_test_utils as rutils 26 from acts.test_utils.wifi.rtt.RttBaseTest import RttBaseTest 27 28 29 class StressRangeAwareTest(AwareBaseTest, RttBaseTest): 30 """Test class for stress testing of RTT ranging to Wi-Fi Aware peers.""" 31 SERVICE_NAME = "GoogleTestServiceXY" 32 33 def __init__(self, controllers): 34 AwareBaseTest.__init__(self, controllers) 35 RttBaseTest.__init__(self, controllers) 36 37 def setup_test(self): 38 """Manual setup here due to multiple inheritance: explicitly execute the 39 setup method from both parents.""" 40 AwareBaseTest.setup_test(self) 41 RttBaseTest.setup_test(self) 42 43 def teardown_test(self): 44 """Manual teardown here due to multiple inheritance: explicitly execute the 45 teardown method from both parents.""" 46 AwareBaseTest.teardown_test(self) 47 RttBaseTest.teardown_test(self) 48 49 ############################################################################# 50 51 def run_rtt_discovery(self, init_dut, resp_mac=None, resp_peer_id=None): 52 """Perform single RTT measurement, using Aware, from the Initiator DUT to 53 a Responder. The RTT Responder can be specified using its MAC address 54 (obtained using out- of-band discovery) or its Peer ID (using Aware 55 discovery). 56 57 Args: 58 init_dut: RTT Initiator device 59 resp_mac: MAC address of the RTT Responder device 60 resp_peer_id: Peer ID of the RTT Responder device 61 """ 62 asserts.assert_true(resp_mac is not None or resp_peer_id is not None, 63 "One of the Responder specifications (MAC or Peer ID)" 64 " must be provided!") 65 if resp_mac is not None: 66 id = init_dut.droid.wifiRttStartRangingToAwarePeerMac(resp_mac) 67 else: 68 id = init_dut.droid.wifiRttStartRangingToAwarePeerId(resp_peer_id) 69 try: 70 event = init_dut.ed.pop_event(rutils.decorate_event( 71 rconsts.EVENT_CB_RANGING_ON_RESULT, id), rutils.EVENT_TIMEOUT) 72 result = event["data"][rconsts.EVENT_CB_RANGING_KEY_RESULTS][0] 73 if resp_mac is not None: 74 rutils.validate_aware_mac_result(result, resp_mac, "DUT") 75 else: 76 rutils.validate_aware_peer_id_result(result, resp_peer_id, "DUT") 77 return result 78 except queue.Empty: 79 return None 80 81 def test_stress_rtt_ib_discovery_set(self): 82 """Perform a set of RTT measurements, using in-band (Aware) discovery, and 83 switching Initiator and Responder roles repeatedly. 84 85 Stress test: repeat ranging operations. Verify rate of success and 86 stability of results. 87 """ 88 p_dut = self.android_devices[0] 89 s_dut = self.android_devices[1] 90 91 (p_id, s_id, p_disc_id, s_disc_id, 92 peer_id_on_sub, peer_id_on_pub) = autils.create_discovery_pair( 93 p_dut, 94 s_dut, 95 p_config=autils.add_ranging_to_pub(autils.create_discovery_config( 96 self.SERVICE_NAME, aconsts.PUBLISH_TYPE_UNSOLICITED), True), 97 s_config=autils.add_ranging_to_pub(autils.create_discovery_config( 98 self.SERVICE_NAME, aconsts.SUBSCRIBE_TYPE_PASSIVE), True), 99 device_startup_offset=self.device_startup_offset, 100 msg_id=self.get_next_msg_id()) 101 102 results = [] 103 start_clock = time.time() 104 iterations_done = 0 105 run_time = 0 106 while iterations_done < self.stress_test_min_iteration_count or ( 107 self.stress_test_target_run_time_sec != 0 108 and run_time < self.stress_test_target_run_time_sec): 109 results.append(self.run_rtt_discovery(p_dut, resp_peer_id=peer_id_on_pub)) 110 results.append(self.run_rtt_discovery(s_dut, resp_peer_id=peer_id_on_sub)) 111 112 iterations_done = iterations_done + 1 113 run_time = time.time() - start_clock 114 115 stats = rutils.extract_stats(results, self.rtt_reference_distance_mm, 116 self.rtt_reference_distance_margin_mm, 117 self.rtt_min_expected_rssi_dbm, 118 summary_only=True) 119 self.log.debug("Stats: %s", stats) 120 asserts.assert_true(stats['num_no_results'] == 0, 121 "Missing (timed-out) results", extras=stats) 122 asserts.assert_false(stats['any_lci_mismatch'], 123 "LCI mismatch", extras=stats) 124 asserts.assert_false(stats['any_lcr_mismatch'], 125 "LCR mismatch", extras=stats) 126 asserts.assert_equal(stats['num_invalid_rssi'], 0, "Invalid RSSI", 127 extras=stats) 128 asserts.assert_true( 129 stats['num_failures'] <= 130 self.rtt_max_failure_rate_two_sided_rtt_percentage 131 * stats['num_results'] / 100, 132 "Failure rate is too high", extras=stats) 133 asserts.assert_true( 134 stats['num_range_out_of_margin'] 135 <= self.rtt_max_margin_exceeded_rate_two_sided_rtt_percentage 136 * stats['num_success_results'] / 100, 137 "Results exceeding error margin rate is too high", extras=stats) 138
