SysInfo.h

#pragma once

#include <QObject>
#include <QString>
#include <QByteArray>

class SysInfo : public QObject
{

public:
    struct HyperionSysInfo
    {
        QString kernelType;
        QString kernelVersion;
        QString architecture;
        QString wordSize;
        QString productType;
        QString productVersion;
        QString prettyName;
        QString hostName;
        QString domainName;
    };

    ~SysInfo();
    static HyperionSysInfo get();

private:
    SysInfo();

    static SysInfo* _instance;

    HyperionSysInfo _sysinfo;

    struct QUnixOSVersion
    {
        QString productType;
        QString productVersion;
        QString prettyName;
    };

    QString machineHostName();
    QString currentCpuArchitecture();
    QString kernelType();
    QString kernelVersion();
    bool findUnixOsVersion(QUnixOSVersion &v);

    QByteArray getEtcFileFirstLine(const char *fileName);
    bool readEtcRedHatRelease(QUnixOSVersion &v);
    bool readEtcDebianVersion(QUnixOSVersion &v);

    bool readEtcOsRelease(SysInfo::QUnixOSVersion &v);
    bool readEtcFile(SysInfo::QUnixOSVersion &v, const char *filename, const QByteArray &idKey, const QByteArray &versionKey, const QByteArray &prettyNameKey);
    QByteArray getEtcFileContent(const char *filename);
    QString unquote(const char *begin, const char *end);
    bool readEtcLsbRelease(SysInfo::QUnixOSVersion &v);
};