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 #pragma once
18 
19 #include "module.h"
20 #include "os/thread.h"
21 #include "os/handler.h"
22 
23 namespace bluetooth {
24 
25 class StackManager {
26  public:
27   void StartUp(ModuleList *modules, os::Thread* stack_thread);
28   void ShutDown();
29 
30   template <class T>
GetInstance()31   T* GetInstance() const {
32     return static_cast<T*>(registry_.Get(&T::Factory));
33   }
34 
35   template <class T>
IsStarted()36   bool IsStarted() const {
37     return registry_.IsStarted(&T::Factory);
38   }
39 
40  private:
41   os::Thread* management_thread_ = nullptr;
42   os::Handler* handler_ = nullptr;
43   ModuleRegistry registry_;
44 
45   void handle_start_up(ModuleList* modules, os::Thread* stack_thread, std::promise<void> promise);
46   void handle_shut_down(std::promise<void> promise);
47   static std::chrono::milliseconds get_gd_stack_timeout_ms(bool is_start);
48 };
49 
50 }  // namespace bluetooth
51