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1#!/usr/bin/env python3
2#
3# Copyright (C) 2016 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License"); you may not
6# use this file except in compliance with the License. You may obtain a copy of
7# 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, WITHOUT
13# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14# License for the specific language governing permissions and limitations under
15# the License.
16"""
17Basic LE Stress tests.
18"""
19
20import concurrent
21import pprint
22import time
23
24from queue import Empty
25from acts.test_decorators import test_tracker_info
26from acts_contrib.test_utils.bt.BluetoothBaseTest import BluetoothBaseTest
27from acts_contrib.test_utils.bt.bt_test_utils import BtTestUtilsError
28from acts_contrib.test_utils.bt.bt_test_utils import clear_bonded_devices
29from acts_contrib.test_utils.bt.bt_test_utils import generate_ble_advertise_objects
30from acts_contrib.test_utils.bt.bt_test_utils import generate_ble_scan_objects
31from acts_contrib.test_utils.bt.bt_test_utils import get_advanced_droid_list
32from acts_contrib.test_utils.bt.bt_test_utils import get_mac_address_of_generic_advertisement
33from acts_contrib.test_utils.bt.bt_test_utils import reset_bluetooth
34from acts_contrib.test_utils.bt.bt_constants import scan_result
35
36
37class BleStressTest(BluetoothBaseTest):
38    default_timeout = 10
39    PAIRING_TIMEOUT = 20
40    droid_list = []
41
42    def setup_class(self):
43        super().setup_class()
44        self.droid_list = get_advanced_droid_list(self.android_devices)
45        self.scn_ad = self.android_devices[0]
46        self.adv_ad = self.android_devices[1]
47
48    def teardown_test(self):
49        super().teardown_test()
50        self.log_stats()
51
52    def bleadvertise_verify_onsuccess_handler(self, event):
53        test_result = True
54        self.log.debug("Verifying onSuccess event")
55        self.log.debug(pprint.pformat(event))
56        return test_result
57
58    def _verify_successful_bond(self, target_address):
59        end_time = time.time() + self.PAIRING_TIMEOUT
60        self.log.info("Verifying devices are bonded")
61        while time.time() < end_time:
62            bonded_devices = self.scn_ad.droid.bluetoothGetBondedDevices()
63            if target_address in {d['address'] for d in bonded_devices}:
64                self.log.info("Successfully bonded to device")
65                return True
66        return False
67
68    @BluetoothBaseTest.bt_test_wrap
69    @test_tracker_info(uuid='22f98085-6ed8-4ad8-b62d-b8d1eae20b89')
70    def test_loop_scanning_1000(self):
71        """Stress start/stop scan instances.
72
73        This test will start and stop scan instances as fast as possible. This
74        will guarantee that the scan instances are properly being cleaned up
75        when the scan is stopped.
76
77        Steps:
78        1. Start a scan instance.
79        2. Stop the scan instance.
80        3. Repeat steps 1-2 1000 times.
81
82        Expected Result:
83        Neither starting or stopping scan instances causes any failures.
84
85        Returns:
86          Pass if True
87          Fail if False
88
89        TAGS: LE, Scanning, Stress
90        Priority: 1
91        """
92        test_result = True
93        for _ in range(1000):
94            filter_list, scan_settings, scan_callback = generate_ble_scan_objects(
95                self.scn_ad.droid)
96            self.scn_ad.droid.bleStartBleScan(filter_list, scan_settings,
97                                              scan_callback)
98            self.scn_ad.droid.bleStopBleScan(scan_callback)
99        return test_result
100
101    @BluetoothBaseTest.bt_test_wrap
102    @test_tracker_info(uuid='6caa84c2-50ac-46f2-a5e5-f942fd2cd6f6')
103    def test_loop_scanning_100_verify_no_hci_timeout(self):
104        """Stress start/stop scan instances variant.
105
106        This test will start and stop scan instances with a one second timeout
107        in between each iteration. This testcase was added because the specific
108        timing combination caused hci timeouts.
109
110        Steps:
111        1. Start a scan instance.
112        2. Stop the scan instance.
113        3. Sleep for 1 second.
114        4. Repeat steps 1-3 100 times.
115
116        Expected Result:
117        Neither starting or stopping scan instances causes any failures.
118
119        Returns:
120          Pass if True
121          Fail if False
122
123        TAGS: LE, Scanning, Stress
124        Priority: 1
125        """
126        for _ in range(self.droid_list[1]['max_advertisements']):
127            adv_callback, adv_data, adv_settings = generate_ble_advertise_objects(
128                self.adv_ad.droid)
129            self.adv_ad.droid.bleStartBleAdvertising(adv_callback, adv_data,
130                                                     adv_settings)
131        for _ in range(100):
132            filter_list, scan_settings, scan_callback = generate_ble_scan_objects(
133                self.scn_ad.droid)
134            self.scn_ad.droid.bleStartBleScan(filter_list, scan_settings,
135                                              scan_callback)
136            self.log.info(
137                self.scn_ad.ed.pop_event(scan_result.format(scan_callback)))
138            self.scn_ad.droid.bleStopBleScan(scan_callback)
139            time.sleep(1)
140        return True
141
142    @BluetoothBaseTest.bt_test_wrap
143    @test_tracker_info(uuid='5e9e4c8d-b72e-4767-81e5-f907c1834430')
144    def test_loop_advertising_100(self):
145        """Stress start/stop advertising instances.
146
147        This test will start and stop advertising instances as fast as possible.
148
149        Steps:
150        1. Start a advertising instance.
151        2. Find that an onSuccess callback is triggered.
152        3. Stop the advertising instance.
153        4. Repeat steps 1-3 100 times.
154
155        Expected Result:
156        Neither starting or stopping advertising instances causes any failures.
157
158        Returns:
159          Pass if True
160          Fail if False
161
162        TAGS: LE, Advertising, Stress
163        Priority: 1
164        """
165        test_result = True
166        for _ in range(100):
167            advertise_callback, advertise_data, advertise_settings = generate_ble_advertise_objects(
168                self.adv_ad.droid)
169            self.adv_ad.droid.bleStartBleAdvertising(
170                advertise_callback, advertise_data, advertise_settings)
171            expected_advertise_event_name = "".join(
172                ["BleAdvertise",
173                 str(advertise_callback), "onSuccess"])
174            worker = self.adv_ad.ed.handle_event(
175                self.bleadvertise_verify_onsuccess_handler,
176                expected_advertise_event_name, ([]), self.default_timeout)
177            try:
178                self.log.debug(worker.result(self.default_timeout))
179            except Empty as error:
180                self.log.debug(" ".join(
181                    ["Test failed with Empty error:",
182                     str(error)]))
183                test_result = False
184            except concurrent.futures._base.TimeoutError as error:
185                self.log.debug(" ".join([
186                    "Test failed, filtering callback onSuccess never occurred:",
187                    str(error)
188                ]))
189                test_result = False
190            self.adv_ad.droid.bleStopBleAdvertising(advertise_callback)
191        return test_result
192
193    @BluetoothBaseTest.bt_test_wrap
194    @test_tracker_info(uuid='11a2f51b-7178-4c32-bb5c-7eddd100a50f')
195    def test_restart_advertise_callback_after_bt_toggle(self):
196        """Test to reuse an advertise callback.
197
198        This will verify if advertising objects can be reused after a bluetooth
199        toggle.
200
201        Steps:
202        1. Start a advertising instance.
203        2. Find that an onSuccess callback is triggered.
204        3. Stop the advertising instance.
205        4. Toggle bluetooth off and on.
206        5. Start an advertising instance on the same objects used in step 1.
207        6. Find that an onSuccess callback is triggered.
208
209        Expected Result:
210        Advertisement should start successfully.
211
212        Returns:
213          Pass if True
214          Fail if False
215
216        TAGS: LE, Advertising, Stress
217        Priority: 1
218        """
219        test_result = True
220        advertise_callback, advertise_data, advertise_settings = generate_ble_advertise_objects(
221            self.adv_ad.droid)
222        self.adv_ad.droid.bleStartBleAdvertising(
223            advertise_callback, advertise_data, advertise_settings)
224        expected_advertise_event_name = "".join(
225            ["BleAdvertise",
226             str(advertise_callback), "onSuccess"])
227        worker = self.adv_ad.ed.handle_event(
228            self.bleadvertise_verify_onsuccess_handler,
229            expected_advertise_event_name, ([]), self.default_timeout)
230        try:
231            self.log.debug(worker.result(self.default_timeout))
232        except Empty as error:
233            self.log.debug(" ".join(
234                ["Test failed with Empty error:",
235                 str(error)]))
236            test_result = False
237        except concurrent.futures._base.TimeoutError as error:
238            self.log.debug(" ".join([
239                "Test failed, filtering callback onSuccess never occurred:",
240                str(error)
241            ]))
242        test_result = reset_bluetooth([self.scn_ad])
243        if not test_result:
244            return test_result
245        time.sleep(5)
246        self.adv_ad.droid.bleStartBleAdvertising(
247            advertise_callback, advertise_data, advertise_settings)
248        worker = self.adv_ad.ed.handle_event(
249            self.bleadvertise_verify_onsuccess_handler,
250            expected_advertise_event_name, ([]), self.default_timeout)
251        try:
252            self.log.debug(worker.result(self.default_timeout))
253        except Empty as error:
254            self.log.debug(" ".join(
255                ["Test failed with Empty error:",
256                 str(error)]))
257            test_result = False
258        except concurrent.futures._base.TimeoutError as error:
259            self.log.debug(" ".join([
260                "Test failed, filtering callback onSuccess never occurred:",
261                str(error)
262            ]))
263        return test_result
264
265    @BluetoothBaseTest.bt_test_wrap
266    @test_tracker_info(uuid='88f3c068-41be-41df-920c-c0ecaae1a619')
267    def test_restart_scan_callback_after_bt_toggle(self):
268        """Test to reuse an scan callback.
269
270        This will verify if scan objects can be reused after a bluetooth
271        toggle.
272
273        Steps:
274        1. Start a scanning instance.
275        3. Stop the scanning instance.
276        4. Toggle bluetooth off and on.
277        5. Start an scanning instance on the same objects used in step 1.
278
279        Expected Result:
280        Scanner should start successfully.
281
282        Returns:
283          Pass if True
284          Fail if False
285
286        TAGS: LE, Scanning, Stress
287        Priority: 1
288        """
289        test_result = True
290        filter_list, scan_settings, scan_callback = generate_ble_scan_objects(
291            self.scn_ad.droid)
292        self.scn_ad.droid.bleStartBleScan(filter_list, scan_settings,
293                                          scan_callback)
294        reset_bluetooth([self.scn_ad])
295        self.scn_ad.droid.bleStartBleScan(filter_list, scan_settings,
296                                          scan_callback)
297
298        return test_result
299
300    @BluetoothBaseTest.bt_test_wrap
301    @test_tracker_info(uuid='ce8adfc0-384f-4751-9438-13a76cada8da')
302    def test_le_pairing(self):
303        """Test LE pairing transport stress
304
305        This will test LE pairing between two android devices.
306
307        Steps:
308        1. Start an LE advertisement on secondary device.
309        2. Find address from primary device.
310        3. Discover and bond to LE address.
311        4. Stop LE advertisement on secondary device.
312        5. Repeat steps 1-4 100 times
313
314        Expected Result:
315        LE pairing should pass 100 times.
316
317        Returns:
318          Pass if True
319          Fail if False
320
321        TAGS: LE, Scanning, Stress, Pairing
322        Priority: 1
323        """
324        iterations = 100
325        for i in range(iterations):
326            try:
327                target_address, adv_callback, scan_callback = get_mac_address_of_generic_advertisement(
328                    self.scn_ad, self.adv_ad)
329            except BtTestUtilsError as err:
330                self.log.error(err)
331                return False
332            self.log.info("Begin interation {}/{}".format(i + 1, iterations))
333            self.scn_ad.droid.bluetoothStartPairingHelper()
334            self.adv_ad.droid.bluetoothStartPairingHelper()
335            start_time = self.start_timer()
336            self.scn_ad.droid.bluetoothDiscoverAndBond(target_address)
337            if not self._verify_successful_bond(target_address):
338                self.log.error("Failed to bond devices.")
339                return False
340            self.log.info("Total time (ms): {}".format(self.end_timer()))
341            if not self._verify_successful_bond(self.adv_ad.droid.bluetoothGetLocalAddress()):
342                self.log.error("Failed to bond BREDR devices.")
343                return False
344            if not self.scn_ad.droid.bluetoothUnbond(target_address):
345                self.log.error("Failed to unbond device from scanner.")
346                return False
347            time.sleep(2)
348            if not self.adv_ad.droid.bluetoothUnbond(self.scn_ad.droid.bluetoothGetLocalAddress()):
349                self.log.error("Failed to unbond device from advertiser.")
350                return False
351            self.adv_ad.droid.bleStopBleAdvertising(adv_callback)
352            self.scn_ad.droid.bleStopBleScan(scan_callback)
353            # Magic sleep to let unbonding finish
354            time.sleep(2)
355        return True
356