DaemonApp.h

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/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2012 - 2025 Symless Ltd.
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */
 
#pragma once
 
#include "common/Common.h"
 
#include <string>
 
#include <QObject>
#include <QThread>
 
class Event;
class IEventQueue;
class FileLogOutputter;
class QLocalServer;
class QCoreApplication;
 
namespace deskflow::core::ipc {
class DaemonIpcServer;
}
 
#if SYSAPI_WIN32
class MSWindowsWatchdog;
#endif
 
extern const char *const kLogFilename;
 
class DaemonApp : public QObject
{
  Q_OBJECT
 
public:
  enum class InitResult
  {
    Installed,
    Uninstalled,
    StartDaemon,
    ShowHelp,
    ArgsError,
    FatalError,
  };
 
  explicit DaemonApp(IEventQueue &events);
  ~DaemonApp() override;
 
  InitResult init(int argc, char **argv);
  void install() const;
  void uninstall() const;
  void run(QThread &daemonThread);
  void setForeground();
  void initLogging();
  void connectIpcServer(const deskflow::core::ipc::DaemonIpcServer *ipcServer) const;
 
  static QString logFilename();
 
private:
  void daemonize();
  void handleError(const char *message);
  int mainLoop();
  int daemonLoop();
  void saveLogLevel(const QString &logLevel) const;
  void setElevate(bool elevate);
  void setCommand(const QString &command);
  void applyWatchdogCommand() const;
  void clearWatchdogCommand();
  void clearSettings() const;
 
  static void showConsole();
 
#if SYSAPI_WIN32
  std::unique_ptr<MSWindowsWatchdog> m_pWatchdog;
#endif
 
  IEventQueue &m_events;
  FileLogOutputter *m_pFileLogOutputter = nullptr;
  deskflow::core::ipc::DaemonIpcServer *m_ipcServer = nullptr;
  std::string m_command = "";
  bool m_elevate = false;
  bool m_foreground = false;
};