108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
#include "sys.h"
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#include "distroutils.h"
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#include <sys/utsname.h>
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#include <fstream>
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#include <limits>
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#include <QString>
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#include <QStringList>
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#include <QDebug>
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Sys::KernelInfo Sys::getKernelInfo()
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{
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Sys::KernelInfo out;
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struct utsname buf;
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uname(&buf);
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// NOTE: we assume linux here. this needs further elaboration
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out.kernelType = KernelType::Linux;
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out.kernelName = buf.sysname;
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QString release = out.kernelVersion = buf.release;
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// linux binary running on WSL is cursed.
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out.isCursed = release.contains("WSL", Qt::CaseInsensitive) || release.contains("Microsoft", Qt::CaseInsensitive);
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out.kernelMajor = 0;
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out.kernelMinor = 0;
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out.kernelPatch = 0;
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auto sections = release.split('-');
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if(sections.size() >= 1) {
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auto versionParts = sections[0].split('.');
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if(versionParts.size() >= 3) {
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out.kernelMajor = versionParts[0].toInt();
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out.kernelMinor = versionParts[1].toInt();
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out.kernelPatch = versionParts[2].toInt();
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}
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else {
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qWarning() << "Not enough version numbers in " << sections[0] << " found " << versionParts.size();
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}
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}
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else {
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qWarning() << "Not enough '-' sections in " << release << " found " << sections.size();
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}
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return out;
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}
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uint64_t Sys::getSystemRam()
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{
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std::string token;
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#ifdef Q_OS_LINUX
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std::ifstream file("/proc/meminfo");
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while(file >> token)
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{
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if(token == "MemTotal:")
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{
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uint64_t mem;
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if(file >> mem)
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{
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return mem * 1024ull;
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}
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else
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{
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return 0;
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}
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}
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// ignore rest of the line
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file.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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}
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#elif defined(Q_OS_FREEBSD)
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char buff[512];
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FILE *fp = popen("sysctl hw.physmem", "r");
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if (fp != NULL)
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{
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while(fgets(buff, 512, fp) != NULL)
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{
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std::string str(buff);
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uint64_t mem = std::stoull(str.substr(12, std::string::npos));
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return mem * 1024ull;
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}
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}
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#endif
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return 0; // nothing found
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}
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Sys::DistributionInfo Sys::getDistributionInfo()
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{
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DistributionInfo systemd_info = read_os_release();
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DistributionInfo lsb_info = read_lsb_release();
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DistributionInfo legacy_info = read_legacy_release();
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DistributionInfo result = systemd_info + lsb_info + legacy_info;
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if(result.distributionName.isNull())
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{
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result.distributionName = "unknown";
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}
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if(result.distributionVersion.isNull())
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{
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if(result.distributionName == "arch")
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{
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result.distributionVersion = "rolling";
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}
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else
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{
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result.distributionVersion = "unknown";
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}
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}
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return result;
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}
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