| // |
| // Copyright 2015 Google, Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at: |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #pragma once |
| |
| #include "abstract_message_loop.h" |
| |
| namespace ipc { |
| class IPCManager; |
| } // namespace ipc |
| |
| namespace bluetooth { |
| |
| class CoreStack; |
| class Settings; |
| |
| // The Daemon class is a singleton that represents the root of the ownership |
| // hierarchy. The single instance sets up and owns the main event loop, the IPC |
| // handlers, global Settings, and the core Bluetooth stack. |
| class Daemon { |
| public: |
| // Initializes the daemon. This must be called to at the start of the |
| // application to set up the global daemon instance and everything it manages. |
| // Returns false in case of a failure. |
| static bool Initialize(); |
| |
| // Cleans up all the resources associated with the global Daemon object. |
| static void ShutDown(); |
| |
| // Assigns the global Daemon instance for testing. Should only be called from |
| // test code. |
| static void InitializeForTesting(Daemon* test_daemon); |
| |
| // Returns the singleton Daemon instance. All classes can interact with the |
| // Daemon, obtain its resources etc using this getter. |
| static Daemon* Get(); |
| |
| // The global Settings object. All classes have direct access to this through |
| // the Daemon object. |
| virtual Settings* GetSettings() const = 0; |
| |
| // The main event loop. This should be used for any events and delayed tasks |
| // that should be executed on the daemon's main thread. |
| virtual btbase::AbstractMessageLoop* GetMessageLoop() const = 0; |
| |
| // Starts the daemon's main loop. |
| virtual void StartMainLoop() = 0; |
| |
| protected: |
| Daemon() = default; |
| Daemon(const Daemon&) = delete; |
| Daemon& operator=(const Daemon&) = delete; |
| |
| virtual ~Daemon() = default; |
| |
| private: |
| // Internal instance helper called by Initialize(). |
| virtual bool Init() = 0; |
| }; |
| |
| } // namespace bluetooth |