1 /*
2 * Copyright 2019 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 #include "stack_manager.h"
18
19 #include <stdio.h>
20 #include <chrono>
21 #include <future>
22 #include <queue>
23
24 #include "common/bind.h"
25 #include "module.h"
26 #include "os/handler.h"
27 #include "os/log.h"
28 #include "os/thread.h"
29 #include "os/wakelock_manager.h"
30
31 using ::bluetooth::os::Handler;
32 using ::bluetooth::os::Thread;
33 using ::bluetooth::os::WakelockManager;
34
35 namespace bluetooth {
36
StartUp(ModuleList * modules,Thread * stack_thread)37 void StackManager::StartUp(ModuleList* modules, Thread* stack_thread) {
38 management_thread_ = new Thread("management_thread", Thread::Priority::NORMAL);
39 handler_ = new Handler(management_thread_);
40
41 WakelockManager::Get().Acquire();
42
43 std::promise<void> promise;
44 auto future = promise.get_future();
45 handler_->Post(common::BindOnce(&StackManager::handle_start_up, common::Unretained(this), modules, stack_thread,
46 std::move(promise)));
47
48 auto init_status = future.wait_for(std::chrono::seconds(3));
49
50 WakelockManager::Get().Release();
51
52 LOG_INFO("init_status == %d", init_status);
53
54 ASSERT_LOG(
55 init_status == std::future_status::ready,
56 "Can't start stack, last instance: %s",
57 registry_.last_instance_.c_str());
58
59 LOG_INFO("init complete");
60 }
61
handle_start_up(ModuleList * modules,Thread * stack_thread,std::promise<void> promise)62 void StackManager::handle_start_up(ModuleList* modules, Thread* stack_thread, std::promise<void> promise) {
63 registry_.Start(modules, stack_thread);
64 promise.set_value();
65 }
66
ShutDown()67 void StackManager::ShutDown() {
68 WakelockManager::Get().Acquire();
69
70 std::promise<void> promise;
71 auto future = promise.get_future();
72 handler_->Post(common::BindOnce(&StackManager::handle_shut_down, common::Unretained(this), std::move(promise)));
73
74 auto stop_status = future.wait_for(std::chrono::seconds(5));
75
76 WakelockManager::Get().Release();
77 WakelockManager::Get().CleanUp();
78
79 ASSERT_LOG(
80 stop_status == std::future_status::ready,
81 "Can't stop stack, last instance: %s",
82 registry_.last_instance_.c_str());
83
84 handler_->Clear();
85 handler_->WaitUntilStopped(std::chrono::milliseconds(2000));
86 delete handler_;
87 delete management_thread_;
88 }
89
handle_shut_down(std::promise<void> promise)90 void StackManager::handle_shut_down(std::promise<void> promise) {
91 registry_.StopAll();
92 promise.set_value();
93 }
94
95 } // namespace bluetooth
96