ch02-sysinfo/sysinfolinuximpl.h

#ifndef SYSINFOLINUXIMPL_H
#define SYSINFOLINUXIMPL_H

#include <QFile>
#include <QIODevice>
#include <QVector>
#include <QtGlobal>

#include "sysinfo.h"

class SysInfoLinuxImpl : public SysInfo {
 public:
  SysInfoLinuxImpl();

  // SysInfo interface
 public:
  void init() override;
  double cpuLoadAverage() override;
  double memoryUsed() override;

 private:
  QVector<qulonglong> cpuRawData();

 private:
  QVector<qulonglong> mCpuLoadLastValues;
};

#endif  // SYSINFOLINUXIMPL_H