1 // 2 // Copyright (C) 2015 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 #ifndef UPDATE_ENGINE_DAEMON_H_ 18 #define UPDATE_ENGINE_DAEMON_H_ 19 20 #include <memory> 21 #include <string> 22 23 #if USE_BINDER 24 #include <brillo/binder_watcher.h> 25 #endif // USE_BINDER 26 #include <brillo/daemons/daemon.h> 27 28 #if USE_BINDER 29 #if USE_OMAHA 30 #include "update_engine/binder_service_brillo.h" 31 #else // !USE_OMAHA 32 #include "update_engine/binder_service_android.h" 33 #endif // USE_OMAHA 34 #endif // USE_BINDER 35 #include "update_engine/common/subprocess.h" 36 #include "update_engine/daemon_state_interface.h" 37 #if USE_DBUS 38 #include "update_engine/dbus_service.h" 39 #endif // USE_DBUS 40 41 namespace chromeos_update_engine { 42 43 class UpdateEngineDaemon : public brillo::Daemon { 44 public: 45 UpdateEngineDaemon() = default; 46 47 protected: 48 int OnInit() override; 49 50 private: 51 #if USE_DBUS 52 // Run from the main loop when the |dbus_adaptor_| object is registered. At 53 // this point we can request ownership of the DBus service name and continue 54 // initialization. 55 void OnDBusRegistered(bool succeeded); 56 57 // Main D-Bus service adaptor. 58 std::unique_ptr<UpdateEngineAdaptor> dbus_adaptor_; 59 #endif // USE_DBUS 60 61 // The Subprocess singleton class requires a brillo::MessageLoop in the 62 // current thread, so we need to initialize it from this class instead of 63 // the main() function. 64 Subprocess subprocess_; 65 66 #if USE_BINDER 67 brillo::BinderWatcher binder_watcher_; 68 #endif // USE_BINDER 69 70 #if USE_BINDER 71 #if USE_OMAHA 72 android::sp<BinderUpdateEngineBrilloService> binder_service_; 73 #else // !USE_OMAHA 74 android::sp<BinderUpdateEngineAndroidService> binder_service_; 75 #endif // USE_OMAHA 76 #endif // USE_BINDER 77 78 // The daemon state with all the required daemon classes for the configured 79 // platform. 80 std::unique_ptr<DaemonStateInterface> daemon_state_; 81 82 DISALLOW_COPY_AND_ASSIGN(UpdateEngineDaemon); 83 }; 84 85 } // namespace chromeos_update_engine 86 87 #endif // UPDATE_ENGINE_DAEMON_H_ 88