MemoryInfoFetcher.h

#ifndef MEMORYINFOFETCHER_H
#define MEMORYINFOFETCHER_H
 
#include <QObject>
#include <QTimer>
 
/* Forward declaration of the driver */
class CCIMX_AbstractMemoryInfoDriver;
 
class MemoryInfoFetcher : public QObject {
    Q_OBJECT
public:
    static QString format_size(quint64 size);
 
    explicit MemoryInfoFetcher(QObject* parent = nullptr);
 
    ~MemoryInfoFetcher();
    Q_DISABLE_COPY(MemoryInfoFetcher);
 
    struct MemoryStat {
        quint64 total_phys_memory; 
        quint64 avail_phys_memory; 
        quint64 total_virt_memory; 
        quint64 avail_virt_memory; 
    } mem_stat; 
 
    void set_flush_freq(const int msecs) { flush_msecs = msecs; }
 
    void set_capture_state(bool st);
 
signals:
    void finish_detect_memory(const MemoryInfoFetcher::MemoryStat& mem_stat);
 
private slots:
    void flush_once();
 
private:
    CCIMX_AbstractMemoryInfoDriver* platform_driver_base { nullptr }; 
 
    void setup_platform_relative();
 
    QTimer flush_timer; 
    int flush_msecs { 1500 }; 
};
 
class CCIMX_AbstractMemoryInfoDriver {
public:
    CCIMX_AbstractMemoryInfoDriver() = default;
    virtual ~CCIMX_AbstractMemoryInfoDriver() = default;
 
    virtual void factory(MemoryInfoFetcher::MemoryStat& stat) = 0;
};
 
#endif // MEMORYINFOFETCHER_H