pollymc/libraries/systeminfo/src/sys_unix.cpp

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#include "sys.h"
#include "distroutils.h"
#include <sys/utsname.h>
#include <fstream>
Sys::KernelInfo Sys::getKernelInfo()
{
Sys::KernelInfo out;
struct utsname buf;
uname(&buf);
out.kernelName = buf.sysname;
out.kernelVersion = buf.release;
return out;
}
uint64_t Sys::getSystemRam()
{
std::string token;
std::ifstream file("/proc/meminfo");
while(file >> token)
{
if(token == "MemTotal:")
{
uint64_t mem;
if(file >> mem)
{
return mem * 1024ull;
}
else
{
return 0;
}
}
// ignore rest of the line
file.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
}
return 0; // nothing found
}
bool Sys::isCPU64bit()
{
return isSystem64bit();
}
bool Sys::isSystem64bit()
{
// kernel build arch on linux
return QSysInfo::currentCpuArchitecture() == "x86_64";
}
Sys::DistributionInfo Sys::getDistributionInfo()
{
DistributionInfo systemd_info = read_os_release();
DistributionInfo lsb_info = read_lsb_release();
DistributionInfo legacy_info = read_legacy_release();
DistributionInfo result = systemd_info + lsb_info + legacy_info;
if(result.distributionName.isNull())
{
result.distributionName = "unknown";
}
if(result.distributionVersion.isNull())
{
if(result.distributionName == "arch")
{
result.distributionVersion = "rolling";
}
else
{
result.distributionVersion = "unknown";
}
}
return result;
}