daemon.h

// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UPDATE_ENGINE_DAEMON_H_
#define UPDATE_ENGINE_DAEMON_H_

#include <memory>
#include <string>

#include <chromeos/daemons/dbus_daemon.h>

#include "update_engine/certificate_checker.h"
#include "update_engine/dbus_service.h"
#include "update_engine/real_system_state.h"
#include "update_engine/subprocess.h"

namespace chromeos_update_engine {

class UpdateEngineDaemon : public chromeos::DBusDaemon {
 public:
  UpdateEngineDaemon() = 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);

  // The Subprocess singleton class requires a chromeos::MessageLoop in the
  // current thread, so we need to initialize it from this class instead of
  // the main() function.
  Subprocess subprocess_;

  std::unique_ptr<RealSystemState> real_system_state_;
  OpenSSLWrapper openssl_wrapper_;
  std::unique_ptr<UpdateEngineAdaptor> dbus_adaptor_;

  DISALLOW_COPY_AND_ASSIGN(UpdateEngineDaemon);
};

}  // namespace chromeos_update_engine

#endif  // UPDATE_ENGINE_DAEMON_H_