Scanner.h

#ifndef SCANNER_H
#define SCANNER_H
 
#include <QFutureWatcher>
#include <QMutex>
#include <QWidget>
 
namespace Ui {
class Scanner;
}
 
class Scanner : public QWidget {
    Q_OBJECT
    static constexpr const unsigned int TIMEOUT = 1500; 
 
public:
    explicit Scanner(QWidget* parent = nullptr);
    ~Scanner();
 
private:
    struct DisplayPackage {
        bool isAccessible { false };
        QString ip;
        QString reason;
    };
private slots:
    void start_scan(); 
    void set_resume(); 
    void set_puase(); 
    void set_stop(); 
 
    void handle_ip_result(const Scanner::DisplayPackage& pack);
 
private:
    Ui::Scanner* ui; 
    QMutex pauseMutex; 
    bool paused { true }; 
    bool stopped { true }; 
    struct InternalScanPack {
        quint32 start; 
        quint32 end; 
        quint16 port; 
    };
    void process_impl_scan(const InternalScanPack pack);
    void refresh_ui_issue();
    QFutureWatcher<void> watcher; 
 
    QList<DisplayPackage> allResults; 
};
 
#endif // SCANNER_H