text: ////////////////////////////////////////////////////////////////////////////////
  /// DISCLAIMER
  ///
  /// Copyright 2014-2021 ArangoDB GmbH, Cologne, Germany
  /// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
  ///
  /// 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.
  ///
  /// Copyright holder is ArangoDB GmbH, Cologne, Germany
  ///
  /// @author Wilfried Goesgens
  ////////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  #include "ApplicationFeatures/ApplicationFeature.h"
  #include "ApplicationFeatures/ApplicationServer.h"
  
  #include <atomic>
  
  extern SERVICE_STATUS_HANDLE ServiceStatus;
  
  void SetServiceStatus(DWORD dwCurrentState, DWORD dwWin32ExitCode,
                        DWORD dwCheckPoint, DWORD dwWaitHint, DWORD exitCode);
  
  void WINAPI ServiceCtrl(DWORD dwCtrlCode);
  
  namespace arangodb {
  
  class WindowsServiceFeature final
      : public application_features::ApplicationFeature {
   public:
    explicit WindowsServiceFeature(
        application_features::ApplicationServer& server);
  
    void collectOptions(std::shared_ptr<options::ProgramOptions>) override final;
    void validateOptions(std::shared_ptr<options::ProgramOptions>) override final;
  
   private:
    void installService();
    void StartArangoService(bool WaitForRunning);
    void StopArangoService(bool WaitForShutdown);
    void startupProgress();
  
    void startupFinished();
  
    void shutdownBegins();
    void shutdownComplete();
    void shutdownFailure();
    void abortFailure(uint16_t exitCode);
    static void abortService(uint16_t exitCode);
  
   public:
    bool _installService = false;
    bool _unInstallService = false;
    bool _forceUninstall = false;
    bool _startAsService = false;
    bool _startService = false;
    bool _startWaitService = false;
    bool _stopService = false;
    bool _stopWaitService = false;
  
    application_features::ApplicationServer* _server;
  
   private:
    uint16_t _progress;
  
    /// @brief flag that tells us whether we have been informed about the shutdown
    /// before
    std::atomic<bool> _shutdownNoted;
  };
  
  }  // namespace arangodb
  