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Diffstat (limited to 'src/procinfo.cpp')
| -rw-r--r-- | src/procinfo.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/procinfo.cpp b/src/procinfo.cpp new file mode 100644 index 0000000..a84bf82 --- /dev/null +++ b/src/procinfo.cpp @@ -0,0 +1,156 @@ +/*************************************************************************** + procinfo.c - description + ------------------- + begin : Wed Jan 9 2002 + copyright : (C) 2002 by Miguel Novas + email : michaell@teleline.es + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include "procinfo.h" + +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <sys/stat.h> + + +bool existsFile(const char *file) +{ +struct stat buf; + + return (stat((const char *)file,&buf)==0); +} + + +int read_file(const char *name, char *buf, int max) +{ + int fd = open(name, O_RDONLY); + if(fd >= 0) { + int r = read(fd, buf, max); + close(fd); + return r; + } + return -1; +} + + +// ***** Dell i8k sensors info ***** +// +// $ cat /proc/i8k +// 1.0 A17 2J59L02 52 2 1 8040 6420 1 2 +// +//The fields read from /proc/18k are: +// +// 1.0 A17 2J59L02 52 2 1 8040 6420 1 2 +// | | | | | | | | | | +// | | | | | | | | | +------- 10. buttons status +// | | | | | | | | +--------- 9. ac status +// | | | | | | | +-------------- 8. right fan rpm +// | | | | | | +------------------- 7. left fan rpm +// | | | | | +--------------------- 6. right fan status +// | | | | +----------------------- 5. left fan status +// | | | +-------------------------- 4. CPU temperature (Celsius) +// | | +---------------------------------- 3. serial number +// | +-------------------------------------- 2. BIOS version +// +------------------------------------------ 1. /proc/i8k format version + +int getI8KInfo(double *cpuTemp, double *leftFan, double *rightFan) +{ +double version; +char buf[256]; + + if(read_file("/proc/i8k", buf, sizeof(buf)) <= 0) return -1; + if(sscanf(buf, "%lf %*s %*s %lf %*d %*d %lf %lf", &version, cpuTemp,leftFan,rightFan)!=4) return -2; + if(version!=1.0) return -3; + return 0; +} + + +// ************* Acpi temperature ************ +// cat /proc/acpi/thermal_zone/THRM/temperature +// temperature: 61 C + +int getAcpiTemperature(double *cpuTemp) +{ +char buf[128]; + + if(read_file("/proc/acpi/thermal_zone/THRM/temperature", buf, sizeof(buf))<= 0) return -1; + + sscanf(buf, "temperature: %lf C", cpuTemp); + + return 0; +} + + +int getMemInfo(int *RamTotal,int *RamUsed,int *SwapTotal, int *SwapUsed) +{ +char buf[4096]; +int mem_free,mem_buffers,mem_cached; +char *p; + + // read memory info + if(read_file("/proc/meminfo", buf, sizeof(buf)) <= 0) return -1; + + p = strstr(buf, "MemTotal:"); + if(p) sscanf(p, "MemTotal: %d kB", RamTotal); + else *RamTotal= 0; + + p = strstr(buf, "MemFree:"); + if(p) sscanf(p, "MemFree: %d kB", &mem_free); + else mem_free= 0; + + p = strstr(buf, "Buffers:"); + if(p) sscanf(p, "Buffers: %d kB", &mem_buffers); + else mem_buffers= 0; + + p = strstr(buf, "Cached:"); + if(p) sscanf(p, "Cached: %d kB", &mem_cached); + else mem_cached= 0; + + p = strstr(buf, "SwapTotal:"); + if(p) sscanf(p, "SwapTotal: %d kB", SwapTotal); + else *SwapTotal= 0; + + p = strstr(buf, "SwapFree:"); + if(p) sscanf(p, "SwapFree: %d kB", SwapUsed); + else *SwapUsed= 0; + + *SwapUsed= *SwapTotal - *SwapUsed; + *RamUsed = *RamTotal - mem_free - mem_buffers - mem_cached; + + return 0; +} + + +bool getCpuTime(int *user,int *nice,int *system,int *idle) +{ +char buf[512]; + + if(read_file("/proc/stat", buf, sizeof(buf)) <= 0) return false; + + sscanf(buf, "cpu %u %u %u %u",user,nice,system,idle); + + return true; +} + + +int getUpTime() +{ +char buf[256]; + + if(read_file("/proc/uptime", buf, sizeof(buf)) < 0) return 0; + float uptime; + sscanf(buf, "%f", &uptime); + return (int)uptime; +} + |