Service.h++

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#ifndef __libquark_service_Service_hxx
#define __libquark_service_Service_hxx

#include <QCoreApplication>
#include <QString>

#ifdef Q_OS_WIN32
#include <windows.h>
#endif

namespace quark {
namespace service {

class Service : public QCoreApplication
{
  Q_OBJECT;

  public:

  virtual ~Service();

  protected:

  Service(int argc, char **argv, const QString &name,
          const QString &displayName, const QString &description);

  bool detach();
  virtual bool init() = 0;
  virtual void shutdown() = 0;
  void testShutdown();

  inline bool isDebug() const
  { return(_debug); }

  QString getError() const
  { return(_error); }

  private slots:

  void postLaunch();

  private:

  static Service *getInstance();

  bool _shouldStop;

#ifdef Q_OS_WIN32
  static void _serviceMain(int argc, char **argv);
  bool _initService();
  static void _controlHandler(DWORD code);
  bool _startService();
  bool _stopService();
  bool _installService();
  bool _uninstallService();
  bool _waitForStatus(SC_HANDLE handle, DWORD pending, DWORD final);

  SERVICE_STATUS_HANDLE _handle;
  SERVICE_STATUS _status;
  enum Action { None, Start, Stop, Install, Uninstall } _action;
  UINT _oldErrorMode;
#endif

   QString _name;
   QString _displayName;
   QString _description;
   bool _shutdown;
   bool _debug;
   QString _workingDir;
   QString _error;

#ifdef Q_OS_UNIX
  static void _sighandler(int sig);

  QString _pidFile;
#endif

};

} // namespace service
} // namespace quark

#endif // __libquark_service_Service_hxx