1 /*
2  * Copyright 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define LOG_TAG "bt_headless_scan"
18 
19 #include "test/headless/scan/scan.h"
20 
21 #include <bluetooth/log.h>
22 
23 #include "test/headless/get_options.h"
24 #include "test/headless/headless.h"
25 #include "test/headless/interface.h"
26 #include "test/headless/log.h"
27 #include "test/headless/messenger.h"
28 #include "test/headless/property.h"
29 #include "test/headless/stopwatch.h"
30 
31 using namespace bluetooth::test;
32 using namespace bluetooth;
33 using namespace std::chrono_literals;
34 
35 namespace {
36 
start_scan(unsigned int num_loops)37 int start_scan([[maybe_unused]] unsigned int num_loops) {
38   log::info("Started Device Scan");
39 
40   log::assert_that(bluetoothInterface.start_discovery() == BT_STATUS_SUCCESS,
41                    "assert failed: bluetoothInterface.start_discovery() == "
42                    "BT_STATUS_SUCCESS");
43   LOG_CONSOLE("Started inquiry - device discovery");
44 
45   headless::messenger::Context context{
46           .stop_watch = Stopwatch("Inquiry_timeout"),
47           .timeout = 1s,
48           .check_point = {},
49           .callbacks = {Callback::RemoteDeviceProperties, Callback::DeviceFound},
50   };
51 
52   while (context.stop_watch.LapMs() < 10000) {
53     // If we have received callback results within this timeframe...
54     if (headless::messenger::await_callback(context)) {
55       while (!context.callback_ready_q.empty()) {
56         std::shared_ptr<callback_params_t> p = context.callback_ready_q.front();
57         context.callback_ready_q.pop_front();
58         switch (p->CallbackType()) {
59           case Callback::RemoteDeviceProperties: {
60             remote_device_properties_params_t* q =
61                     static_cast<remote_device_properties_params_t*>(p.get());
62             for (const auto& p2 : q->properties()) {
63               LOG_CONSOLE("  %s prop:%s", p->Name().c_str(), p2->ToString().c_str());
64             }
65           } break;
66           case Callback::DeviceFound: {
67             device_found_params_t* q = static_cast<device_found_params_t*>(p.get());
68             for (const auto& p2 : q->properties()) {
69               LOG_CONSOLE("  %s prop:%s", p->Name().c_str(), p2->ToString().c_str());
70             }
71           } break;
72           default:
73             LOG_CONSOLE("WARN Received callback for unasked:%s", p->Name().c_str());
74             break;
75         }
76       }
77     }
78   }
79 
80   LOG_CONSOLE("Stopped inquiry - device discovery");
81   return 0;
82 }
83 
84 }  // namespace
85 
Run()86 int bluetooth::test::headless::Scan::Run() {
87   if (options_.loop_ < 1) {
88     LOG_CONSOLE("This test requires at least a single loop");
89     options_.Usage();
90     return -1;
91   }
92   return RunOnHeadlessStack<int>([this]() { return start_scan(options_.loop_); });
93 }
94