upload android base code part6

android/system/update_engine/daemon.h

@@ -0,0 +1,87 @@
+//
+// Copyright (C) 2015 The Android Open Source Project
+//
+// 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.
+//
+
+#ifndef UPDATE_ENGINE_DAEMON_H_
+#define UPDATE_ENGINE_DAEMON_H_
+
+#include <memory>
+#include <string>
+
+#if USE_BINDER
+#include <brillo/binder_watcher.h>
+#endif  // USE_BINDER
+#include <brillo/daemons/daemon.h>
+
+#if USE_BINDER
+#if USE_OMAHA
+#include "update_engine/binder_service_brillo.h"
+#else  // !USE_OMAHA
+#include "update_engine/binder_service_android.h"
+#endif  // USE_OMAHA
+#endif  // USE_BINDER
+#include "update_engine/common/subprocess.h"
+#include "update_engine/daemon_state_interface.h"
+#if USE_DBUS
+#include "update_engine/dbus_service.h"
+#endif  // USE_DBUS
+
+namespace chromeos_update_engine {
+
+class UpdateEngineDaemon : public brillo::Daemon {
+ public:
+  UpdateEngineDaemon() = default;
+
+ protected:
+  int OnInit() override;
+
+ private:
+#if USE_DBUS
+  // Run from the main loop when the |dbus_adaptor_| object is registered. At
+  // this point we can request ownership of the DBus service name and continue
+  // initialization.
+  void OnDBusRegistered(bool succeeded);
+
+  // Main D-Bus service adaptor.
+  std::unique_ptr<UpdateEngineAdaptor> dbus_adaptor_;
+#endif  // USE_DBUS
+
+  // The Subprocess singleton class requires a brillo::MessageLoop in the
+  // current thread, so we need to initialize it from this class instead of
+  // the main() function.
+  Subprocess subprocess_;
+
+#if USE_BINDER
+  brillo::BinderWatcher binder_watcher_;
+#endif  // USE_BINDER
+
+#if USE_BINDER
+#if USE_OMAHA
+  android::sp<BinderUpdateEngineBrilloService> binder_service_;
+#else  // !USE_OMAHA
+  android::sp<BinderUpdateEngineAndroidService> binder_service_;
+#endif  // USE_OMAHA
+#endif  // USE_BINDER
+
+  // The daemon state with all the required daemon classes for the configured
+  // platform.
+  std::unique_ptr<DaemonStateInterface> daemon_state_;
+
+  DISALLOW_COPY_AND_ASSIGN(UpdateEngineDaemon);
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_DAEMON_H_