corinfo/corinfo.h

326 lines
8.0 KiB
C

/*
* Part of corinfo, a library for obtaining CPU, RAM, HDD and GPU information.
* https://github.com/ColumbusUtrigas/corinfo
*
* Copyright (c) 2019 ColumbusUtrigas.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef CORINFO_H
#define CORINFO_H
#if !defined(__linux) && !defined(_WIN32)
#error Unsupported platform
#endif
#if !defined(__GNUC__) && !defined(_MSC_VER)
#error Unsupported compiler
#endif
#ifdef __linux
#include <sys/sysinfo.h>
#include <sys/statvfs.h>
#include <sys/types.h>
#include <unistd.h>
#endif
#ifdef _WIN32
#include <windows.h>
#include <Powrprof.h>
#pragma comment(lib, "Powrprof.lib")
#endif
#ifdef __GNUC__
#include <cpuid.h>
#define __corinfo_cpuid(cpu, cmd) __cpuid(cmd, cpu[0], cpu[1], cpu[2], cpu[3])
#endif
#ifdef _MSC_VER
#define __corinfo_cpuid(cpu, cmd) __cpuid(cpu, cmd)
#endif
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
/*!
* @file corinfo.h
*/
struct corinfo
{
struct
{
uint32_t Count; //!< Number of CPU cores.
uint32_t Frequency; //!< CPU frequency, in MHz.
uint32_t Family;
uint32_t Model;
uint8_t Vendor[12];
uint8_t Name[48];
uint8_t MMX;
uint8_t SSE;
uint8_t SSE2;
uint8_t SSE3;
uint8_t SSE41;
uint8_t SSE42;
uint8_t AVX;
} Cpu;
struct
{
uint64_t Total; //!< Physical RAM size, in KB.
uint64_t Free; //!< Available physical RAM size, in KB.
uint32_t Usage; //!< A number between 0 and 100 that specifies the approximate percentage of physical memory that is in use.
} Ram;
struct
{
uint64_t Total; //!< HDD size, in KB.
uint64_t Free; //!< Available HDD size, in KB.
uint32_t Usage; //!< A number between 0 and 100 that specifies the approximate percentage of HDD memory that is in use.
} Hdd;
};
/**
* @brief Main library function.
*
* ## Example
*
* ```c
* struct corinfo info;
* if (corinfo_GetInfo(&info) == -1) error();
* ```
*
* @param info Pointer to corinfo struct to store data.
* @return 0 in success, otherwise -1.
*/
int corinfo_GetInfo(struct corinfo* info);
int __corinfo_cpu_info(struct corinfo* info);
int __corinfo_ram_info(struct corinfo* info);
int __corinfo_hdd_info(struct corinfo* info);
#ifdef __linux
int __corinfo_cpu_info(struct corinfo* info)
{
info->Cpu.Count = sysconf(_SC_NPROCESSORS_ONLN);
FILE* f = fopen("/proc/cpuinfo", "r");
if (f == NULL) return -1;
int cpu[4];
__corinfo_cpuid(cpu, 0x00000000);
for (int i = 0; i < 4; i++)
{
info->Cpu.Vendor[0 + i] = (cpu[1] >> (i * 8)) & 0xFF;
info->Cpu.Vendor[4 + i] = (cpu[3] >> (i * 8)) & 0xFF;
info->Cpu.Vendor[8 + i] = (cpu[2] >> (i * 8)) & 0xFF;
}
__corinfo_cpuid(cpu, 0x80000002); memcpy(info->Cpu.Name + 0, cpu, 16);
__corinfo_cpuid(cpu, 0x80000003); memcpy(info->Cpu.Name + 16, cpu, 16);
__corinfo_cpuid(cpu, 0x80000004); memcpy(info->Cpu.Name + 32, cpu, 16);
__corinfo_cpuid(cpu, 0x00000001);
info->Cpu.Family = ((cpu[0] >> 8) & 0xF) + ((cpu[0] >> 20) & 0xF);
info->Cpu.Model = ((cpu[0] >> 4) & 0xF) + (((cpu[0] >> 16) & 0xF) << 4);
info->Cpu.MMX = (cpu[3] >> 23) & 0x1;
info->Cpu.SSE = (cpu[3] >> 25) & 0x1;
info->Cpu.SSE2 = (cpu[3] >> 26) & 0x1;
info->Cpu.SSE3 = (cpu[2] >> 0) & 0x1;
info->Cpu.SSE41 = (cpu[2] >> 19) & 0x1;
info->Cpu.SSE42 = (cpu[2] >> 20) & 0x1;
info->Cpu.AVX = (cpu[2] >> 28) & 0x1;
char* line = NULL;
size_t line_length = 0;
ssize_t line_read = 0;
while ((line_read = getline(&line, &line_length, f)) != -1)
{
if (memcmp(line, "cpu MHz", 7) == 0)
{
info->Cpu.Frequency = atoi(strchr(line, ':') + 1);
break;
}
}
if (line) free(line);
fclose(f);
return 0;
}
int __corinfo_ram_info(struct corinfo* info)
{
struct sysinfo sys;
if (sysinfo(&sys) == -1) return -1;
info->Ram.Total = sys.totalram / 1024;
info->Ram.Free = sys.freeram / 1024;
if (info->Ram.Total != 0)
{
info->Ram.Usage = 100 - (info->Ram.Free / (float)info->Ram.Total) * 100;
}
return 0;
}
int __corinfo_hdd_info(struct corinfo* info)
{
struct statvfs hd;
if (statvfs("./", &hd) == -1) return -1;
info->Hdd.Total = hd.f_frsize * hd.f_blocks / 1024;
info->Hdd.Free = hd.f_frsize * hd.f_bavail / 1024;
if (info->Hdd.Total != 0)
{
info->Hdd.Usage = 100 - (info->Hdd.Free / (double)info->Hdd.Total) * 100;
}
return 0;
}
#endif
#ifdef _WIN32
int __corinfo_cpu_info(struct corinfo* info)
{
SYSTEM_INFO sys;
GetSystemInfo(&sys);
info->Cpu.Count = sys.dwNumberOfProcessors;
int cpu[4];
__corinfo_cpuid(cpu, 0x00000000);
for (int i = 0; i < 4; i++)
{
info->Cpu.Vendor[0 + i] = (cpu[1] >> (i * 8)) & 0xFF;
info->Cpu.Vendor[4 + i] = (cpu[3] >> (i * 8)) & 0xFF;
info->Cpu.Vendor[8 + i] = (cpu[2] >> (i * 8)) & 0xFF;
}
__corinfo_cpuid(cpu, 0x80000002); memcpy(info->Cpu.Name + 0, cpu, 16);
__corinfo_cpuid(cpu, 0x80000003); memcpy(info->Cpu.Name + 16, cpu, 16);
__corinfo_cpuid(cpu, 0x80000004); memcpy(info->Cpu.Name + 32, cpu, 16);
__corinfo_cpuid(cpu, 0x00000001);
info->Cpu.Family = ((cpu[0] >> 8) & 0xF) + ((cpu[0] >> 20) & 0xF);
info->Cpu.Model = ((cpu[0] >> 4) & 0xF) + (((cpu[0] >> 16) & 0xF) << 4);
info->Cpu.MMX = (cpu[3] >> 23) & 0x1;
info->Cpu.SSE = (cpu[3] >> 25) & 0x1;
info->Cpu.SSE2 = (cpu[3] >> 26) & 0x1;
info->Cpu.SSE3 = (cpu[2] >> 0) & 0x1;
info->Cpu.SSE41 = (cpu[2] >> 19) & 0x1;
info->Cpu.SSE42 = (cpu[2] >> 20) & 0x1;
info->Cpu.AVX = (cpu[2] >> 28) & 0x1;
struct PPIStruct
{
ULONG Number;
ULONG MaxMhz;
ULONG CurrentMhz;
ULONG MhzLimit;
ULONG MaxIdleState;
ULONG CurrentIdleState;
} PROCESSOR_POWER_INFORMATION, *PPI;
BYTE* buf = (BYTE*)malloc(sizeof(PROCESSOR_POWER_INFORMATION) * sys.dwNumberOfProcessors);
if (buf == NULL) return -1;
CallNtPowerInformation(ProcessorInformation, NULL, 0, buf, sizeof(PROCESSOR_POWER_INFORMATION) * sys.dwNumberOfProcessors);
PPI = (PPIStruct*)buf;
if (PPI != NULL) info->Cpu.Frequency = PPI->MaxMhz;
if (buf) free(buf);
return 0;
}
int __corinfo_ram_info(struct corinfo* info)
{
MEMORYSTATUSEX mem;
mem.dwLength = sizeof(MEMORYSTATUSEX);
GlobalMemoryStatusEx(&mem);
info->Ram.Total = mem.ullTotalPhys / 1024;
info->Ram.Free = mem.ullAvailPhys / 1024;
if (info->Ram.Total != 0)
{
info->Ram.Usage = 100 - (info->Ram.Free / (float)info->Ram.Total) * 100;
}
return 0;
}
int __corinfo_hdd_info(struct corinfo* info)
{
ULARGE_INTEGER free_bytes_avail;
ULARGE_INTEGER total_bytes;
ULARGE_INTEGER total_free_bytes;
if (!GetDiskFreeSpaceEx(NULL, &free_bytes_avail, &total_bytes, &total_free_bytes))
{
return -1;
}
info->Hdd.Total = total_bytes.QuadPart / 1024;
info->Hdd.Free = free_bytes_avail.QuadPart / 1024;
if (info->Hdd.Total != 0)
{
info->Hdd.Usage = 100 - (info->Hdd.Free / (double)info->Hdd.Total) * 100;
}
return 0;
}
#endif
int corinfo_GetInfo(struct corinfo* info)
{
if (info == NULL) return -1;
memset(info, 0, sizeof(struct corinfo));
if (__corinfo_cpu_info(info) == -1) return -1;
if (__corinfo_ram_info(info) == -1) return -1;
if (__corinfo_hdd_info(info) == -1) return -1;
return 0;
}
#undef __corinfo_cpuid
#endif