Pinger.h

#ifndef PINGER_H
#define PINGER_H
#include <QHostAddress>
#include <QWidget>
class QTcpSocket;
class QElapsedTimer;
class QHostInfo;
namespace Ui {
class Pinger;
}
 
class Pinger : public QWidget {
    Q_OBJECT
    static constexpr const unsigned int IS_TIMEOUT = 1000;
    static constexpr const unsigned int PING_FREQ_PERIOD = IS_TIMEOUT;
 
public:
    explicit Pinger(QWidget* parent = nullptr);
    ~Pinger();
private slots:
    void resolveHost(); 
    void on_connected(); 
    void on_connectionTimeout(); 
 
private:
    Ui::Pinger* ui; 
    QTcpSocket* socket; 
    QElapsedTimer* elapsed_timer; 
    QTimer* pingTimer; 
    QTimer* timeoutTimer; 
    QHostAddress targetAddress; 
    bool do_ping { false }; 
    void setup_memory(); 
    void performPing(); 
    void abortPing(); 
    void onHostResolved(const QHostInfo& host); 
};
 
#endif // PINGER_H