| // |
| // Copyright (C) 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. |
| // |
| |
| #include "service/daemon.h" |
| |
| #include <memory> |
| |
| #include <base/logging.h> |
| #include <base/run_loop.h> |
| |
| #include "service/adapter.h" |
| #include "service/hal/bluetooth_gatt_interface.h" |
| #include "service/hal/bluetooth_interface.h" |
| #include "service/ipc/ipc_manager.h" |
| #include "service/settings.h" |
| #include "service/switches.h" |
| |
| namespace bluetooth { |
| |
| namespace { |
| |
| // The global Daemon instance. |
| Daemon* g_daemon = nullptr; |
| |
| class DaemonImpl : public Daemon, public ipc::IPCManager::Delegate { |
| public: |
| DaemonImpl() : initialized_(false) {} |
| |
| ~DaemonImpl() override { |
| if (!initialized_) return; |
| |
| CleanUpBluetoothStack(); |
| } |
| |
| void StartMainLoop() override { base::RunLoop().Run(); } |
| |
| Settings* GetSettings() const override { return settings_.get(); } |
| |
| base::MessageLoop* GetMessageLoop() const override { |
| return message_loop_.get(); |
| } |
| |
| private: |
| // ipc::IPCManager::Delegate implementation: |
| void OnIPCHandlerStarted(ipc::IPCManager::Type /* type */) override { |
| if (!settings_->EnableOnStart()) return; |
| adapter_->Enable(false /* start_restricted */); |
| } |
| |
| void OnIPCHandlerStopped(ipc::IPCManager::Type /* type */) override { |
| // Do nothing. |
| } |
| |
| bool StartUpBluetoothInterfaces() { |
| if (!hal::BluetoothInterface::Initialize()) goto failed; |
| |
| if (!hal::BluetoothGattInterface::Initialize()) goto failed; |
| |
| return true; |
| |
| failed: |
| ShutDownBluetoothInterfaces(); |
| return false; |
| } |
| |
| void ShutDownBluetoothInterfaces() { |
| if (hal::BluetoothGattInterface::IsInitialized()) |
| hal::BluetoothGattInterface::CleanUp(); |
| if (hal::BluetoothInterface::IsInitialized()) |
| hal::BluetoothInterface::CleanUp(); |
| } |
| |
| void CleanUpBluetoothStack() { |
| // The Adapter object needs to be cleaned up before the HAL interfaces. |
| ipc_manager_.reset(); |
| adapter_.reset(); |
| ShutDownBluetoothInterfaces(); |
| } |
| |
| bool SetUpIPC() { |
| // If an IPC socket path was given, initialize IPC with it. Otherwise |
| // initialize Binder IPC. |
| if (settings_->UseSocketIPC()) { |
| if (!ipc_manager_->Start(ipc::IPCManager::TYPE_LINUX, this)) { |
| LOG(ERROR) << "Failed to set up UNIX domain-socket IPCManager"; |
| return false; |
| } |
| return true; |
| } |
| |
| #if !defined(OS_GENERIC) |
| if (!ipc_manager_->Start(ipc::IPCManager::TYPE_BINDER, this)) { |
| LOG(ERROR) << "Failed to set up Binder IPCManager"; |
| return false; |
| } |
| #else |
| if (!ipc_manager_->Start(ipc::IPCManager::TYPE_DBUS, this)) { |
| LOG(ERROR) << "Failed to set up DBus IPCManager"; |
| return false; |
| } |
| #endif |
| |
| return true; |
| } |
| |
| bool Init() override { |
| CHECK(!initialized_); |
| message_loop_.reset(new base::MessageLoop()); |
| |
| settings_.reset(new Settings()); |
| if (!settings_->Init()) { |
| LOG(ERROR) << "Failed to set up Settings"; |
| return false; |
| } |
| |
| if (!StartUpBluetoothInterfaces()) { |
| LOG(ERROR) << "Failed to set up HAL Bluetooth interfaces"; |
| return false; |
| } |
| |
| adapter_ = Adapter::Create(); |
| ipc_manager_.reset(new ipc::IPCManager(adapter_.get())); |
| |
| if (!SetUpIPC()) { |
| CleanUpBluetoothStack(); |
| return false; |
| } |
| |
| initialized_ = true; |
| LOG(INFO) << "Daemon initialized"; |
| |
| return true; |
| } |
| |
| bool initialized_; |
| std::unique_ptr<base::MessageLoop> message_loop_; |
| std::unique_ptr<Settings> settings_; |
| std::unique_ptr<Adapter> adapter_; |
| std::unique_ptr<ipc::IPCManager> ipc_manager_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DaemonImpl); |
| }; |
| |
| } // namespace |
| |
| // static |
| bool Daemon::Initialize() { |
| CHECK(!g_daemon); |
| |
| g_daemon = new DaemonImpl(); |
| if (g_daemon->Init()) return true; |
| |
| LOG(ERROR) << "Failed to initialize the Daemon object"; |
| |
| delete g_daemon; |
| g_daemon = nullptr; |
| |
| return false; |
| } |
| |
| // static |
| void Daemon::ShutDown() { |
| CHECK(g_daemon); |
| delete g_daemon; |
| g_daemon = nullptr; |
| } |
| |
| // static |
| void Daemon::InitializeForTesting(Daemon* test_daemon) { |
| CHECK(test_daemon); |
| CHECK(!g_daemon); |
| |
| g_daemon = test_daemon; |
| } |
| |
| // static |
| Daemon* Daemon::Get() { |
| CHECK(g_daemon); |
| return g_daemon; |
| } |
| |
| } // namespace bluetooth |