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//
// 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_CROS_DAEMON_CHROMEOS_H_
#define UPDATE_ENGINE_CROS_DAEMON_CHROMEOS_H_
#include <memory>
#include "update_engine/common/daemon_base.h"
#include "update_engine/common/daemon_state_interface.h"
#include "update_engine/common/subprocess.h"
#include "update_engine/cros/dbus_service.h"
#include "update_engine/cros/real_system_state.h"
namespace chromeos_update_engine {
class DaemonChromeOS : public DaemonBase {
public:
DaemonChromeOS() = default;
protected:
int OnInit() override;
private:
// 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);
// |SystemState| is a global context, but we can't have a static singleton of
// its object because the style guide does not allow that (it has non-trivial
// dtor). We need an instance of |SystemState| in this class instead and have
// a global pointer to it. This is better to be defined as the first variable
// of this class so it is initialized first and destructed last.
RealSystemState system_state_;
// Main D-Bus service adaptor.
std::unique_ptr<UpdateEngineAdaptor> dbus_adaptor_;
// 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_;
DISALLOW_COPY_AND_ASSIGN(DaemonChromeOS);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_CROS_DAEMON_CHROMEOS_H_
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