853 lines
17 KiB
C
853 lines
17 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <alsa/asoundlib.h>
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#include <err.h>
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#include <fcntl.h>
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#include <ifaddrs.h>
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#include <limits.h>
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#include <linux/wireless.h>
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#include <locale.h>
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#include <netdb.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/socket.h>
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#include <sys/sysinfo.h>
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#include <sys/types.h>
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#include <sys/utsname.h>
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#include <time.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#undef strlcat
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#include "extern/arg.h"
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#include "extern/strlcat.h"
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#include "extern/concat.h"
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struct arg {
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char *(*func)();
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const char *fmt;
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const char *args;
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};
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static char *smprintf(const char *fmt, ...);
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static char *battery_perc(const char *bat);
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static char *battery_state(const char *bat);
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static char *cpu_perc(void);
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static char *datetime(const char *fmt);
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static char *disk_free(const char *mnt);
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static char *disk_perc(const char *mnt);
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static char *disk_total(const char *mnt);
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static char *disk_used(const char *mnt);
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static char *entropy(void);
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static char *gid(void);
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static char *hostname(void);
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static char *ip(const char *iface);
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static char *kernel_release(void);
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static char *load_avg(void);
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static char *ram_free(void);
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static char *ram_perc(void);
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static char *ram_used(void);
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static char *ram_total(void);
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static char *run_command(const char *cmd);
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static char *swap_free(void);
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static char *swap_perc(void);
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static char *swap_used(void);
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static char *swap_total(void);
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static char *temp(const char *file);
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static char *uid(void);
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static char *uptime(void);
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static char *username(void);
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static char *vol_perc(const char *card);
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static char *wifi_perc(const char *iface);
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static char *wifi_essid(const char *iface);
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static void sighandler(const int signo);
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static void usage(int);
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char *argv0;
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char concat[];
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static unsigned short int delay = 0;
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static unsigned short int done;
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static unsigned short int dflag, oflag;
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static Display *dpy;
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#include "config.h"
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static char *
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smprintf(const char *fmt, ...)
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{
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va_list ap;
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char *ret;
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int len;
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va_start(ap, fmt);
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len = vsnprintf(NULL, 0, fmt, ap);
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va_end(ap);
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ret = malloc(++len);
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if (ret == NULL) {
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err(1, "malloc");
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}
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va_start(ap, fmt);
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vsnprintf(ret, len, fmt, ap);
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va_end(ap);
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return ret;
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}
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static char *
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battery_perc(const char *bat)
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{
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int perc;
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FILE *fp;
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ccat(3, "/sys/class/power_supply/", bat, "/capacity");
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fp = fopen(concat, "r");
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if (fp == NULL) {
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warn("Failed to open file %s", concat);
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "%i", &perc);
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fclose(fp);
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return smprintf("%d%%", perc);
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}
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static char *
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battery_state(const char *bat)
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{
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char state[12];
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FILE *fp;
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ccat(3, "/sys/class/power_supply/", bat, "/status");
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fp = fopen(concat, "r");
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if (fp == NULL) {
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warn("Failed to open file %s", concat);
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "%12s", state);
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fclose(fp);
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if (strcmp(state, "Charging") == 0) {
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return smprintf("+");
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} else if (strcmp(state, "Discharging") == 0) {
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return smprintf("-");
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} else if (strcmp(state, "Full") == 0) {
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return smprintf("=");
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} else {
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return smprintf("?");
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}
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}
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static char *
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cpu_perc(void)
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{
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int perc;
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long double a[4], b[4];
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FILE *fp;
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fp = fopen("/proc/stat", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/stat");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
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fclose(fp);
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delay++;
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sleep(delay);
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fp = fopen("/proc/stat", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/stat");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
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fclose(fp);
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perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
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return smprintf("%d%%", perc);
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}
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static char *
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datetime(const char *fmt)
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{
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time_t t;
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char str[80];
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t = time(NULL);
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if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%s", str);
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}
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static char *
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disk_free(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
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}
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static char *
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disk_perc(const char *mnt)
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{
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int perc;
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf("%s", UNKNOWN_STR);
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}
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perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
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return smprintf("%d%%", perc);
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}
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static char *
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disk_total(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
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}
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static char *
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disk_used(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
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}
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static char *
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entropy(void)
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{
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int num;
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FILE *fp;
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fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "%d", &num);
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fclose(fp);
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return smprintf("%d", num);
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}
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static char *
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gid(void)
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{
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return smprintf("%d", getgid());
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}
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static char *
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hostname(void)
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{
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char buf[HOST_NAME_MAX];
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if (gethostname(buf, sizeof(buf)) == -1) {
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warn("hostname");
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%s", buf);
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}
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static char *
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ip(const char *iface)
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{
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struct ifaddrs *ifaddr, *ifa;
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int s;
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char host[NI_MAXHOST];
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if (getifaddrs(&ifaddr) == -1) {
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warn("Failed to get IP address for interface %s", iface);
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return smprintf("%s", UNKNOWN_STR);
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}
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for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
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if (ifa->ifa_addr == NULL) {
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continue;
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}
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s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
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if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
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if (s != 0) {
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warnx("Failed to get IP address for interface %s", iface);
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%s", host);
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}
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}
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freeifaddrs(ifaddr);
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return smprintf("%s", UNKNOWN_STR);
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}
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static char *
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kernel_release(void)
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{
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struct utsname udata;
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if (uname(&udata) < 0) {
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return smprintf(UNKNOWN_STR);
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}
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return smprintf("%s", udata.release);
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}
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static char *
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load_avg(void)
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{
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double avgs[3];
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if (getloadavg(avgs, 3) < 0) {
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warnx("Failed to get the load avg");
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return smprintf("%s", UNKNOWN_STR);
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}
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return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
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}
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static char *
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ram_free(void)
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{
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long free;
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "MemFree: %ld kB\n", &free);
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fclose(fp);
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return smprintf("%f", (float)free / 1024 / 1024);
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}
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static char *
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ram_perc(void)
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{
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long total, free, buffers, cached;
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "MemTotal: %ld kB\n", &total);
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fscanf(fp, "MemFree: %ld kB\n", &free);
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fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
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fscanf(fp, "Cached: %ld kB\n", &cached);
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fclose(fp);
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return smprintf("%d%%", 100 * ((total - free) - (buffers + cached)) / total);
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}
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static char *
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ram_total(void)
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{
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long total;
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "MemTotal: %ld kB\n", &total);
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fclose(fp);
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return smprintf("%f", (float)total / 1024 / 1024);
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}
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static char *
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ram_used(void)
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{
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long free, total, buffers, cached;
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FILE *fp;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "MemTotal: %ld kB\n", &total);
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fscanf(fp, "MemFree: %ld kB\n", &free);
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fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
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fscanf(fp, "Cached: %ld kB\n", &cached);
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fclose(fp);
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return smprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024);
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}
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static char *
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run_command(const char *cmd)
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{
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char *nlptr;
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FILE *fp;
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char buf[1024] = UNKNOWN_STR;
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fp = popen(cmd, "r");
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if (fp == NULL) {
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warn("Failed to get command output for %s", cmd);
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return smprintf("%s", UNKNOWN_STR);
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}
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fgets(buf, sizeof(buf), fp);
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pclose(fp);
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buf[strlen(buf)] = '\0';
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if ((nlptr = strstr(buf, "\n")) != NULL) {
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nlptr[0] = '\0';
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}
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return smprintf("%s", buf);
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}
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static char *
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swap_free(void)
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{
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long total, free;
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FILE *fp;
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char buf[2048];
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size_t bytes_read;
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char *match;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
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warn("swap_free: read error");
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fclose(fp);
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return smprintf("%s", UNKNOWN_STR);
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}
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buf[bytes_read] = '\0';
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fclose(fp);
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if ((match = strstr(buf, "SwapTotal")) == NULL) {
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return smprintf("%s", UNKNOWN_STR);
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}
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sscanf(match, "SwapTotal: %ld kB\n", &total);
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if ((match = strstr(buf, "SwapFree")) == NULL) {
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return smprintf("%s", UNKNOWN_STR);
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}
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sscanf(match, "SwapFree: %ld kB\n", &free);
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return smprintf("%f", (float)free / 1024 / 1024);
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}
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static char *
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swap_perc(void)
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{
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long total, free, cached;
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FILE *fp;
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char buf[2048];
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size_t bytes_read;
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char *match;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
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warn("swap_perc: read error");
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fclose(fp);
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return smprintf("%s", UNKNOWN_STR);
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}
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buf[bytes_read] = '\0';
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fclose(fp);
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if ((match = strstr(buf, "SwapTotal")) == NULL) {
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return smprintf("%s", UNKNOWN_STR);
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}
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sscanf(match, "SwapTotal: %ld kB\n", &total);
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if ((match = strstr(buf, "SwapCached")) == NULL) {
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return smprintf("%s", UNKNOWN_STR);
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}
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sscanf(match, "SwapCached: %ld kB\n", &cached);
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if ((match = strstr(buf, "SwapFree")) == NULL) {
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return smprintf("%s", UNKNOWN_STR);
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}
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sscanf(match, "SwapFree: %ld kB\n", &free);
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return smprintf("%d%%", 100 * (total - free - cached) / total);
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}
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static char *
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swap_total(void)
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{
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long total;
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FILE *fp;
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char buf[2048];
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size_t bytes_read;
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char *match;
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fp = fopen("/proc/meminfo", "r");
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if (fp == NULL) {
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warn("Failed to open file /proc/meminfo");
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return smprintf("%s", UNKNOWN_STR);
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}
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if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
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warn("swap_total: read error");
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fclose(fp);
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return smprintf("%s", UNKNOWN_STR);
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}
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buf[bytes_read] = '\0';
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fclose(fp);
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if ((match = strstr(buf, "SwapTotal")) == NULL) {
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return smprintf("%s", UNKNOWN_STR);
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}
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sscanf(match, "SwapTotal: %ld kB\n", &total);
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return smprintf("%f", (float)total / 1024 / 1024);
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}
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static char *
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swap_used(void)
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{
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long total, free, cached;
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FILE *fp;
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char buf[2048];
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size_t bytes_read;
|
|
char *match;
|
|
|
|
fp = fopen("/proc/meminfo", "r");
|
|
if (fp == NULL) {
|
|
warn("Failed to open file /proc/meminfo");
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
|
|
warn("swap_used: read error");
|
|
fclose(fp);
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
|
|
buf[bytes_read] = '\0';
|
|
fclose(fp);
|
|
|
|
if ((match = strstr(buf, "SwapTotal")) == NULL) {
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
sscanf(match, "SwapTotal: %ld kB\n", &total);
|
|
|
|
if ((match = strstr(buf, "SwapCached")) == NULL) {
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
sscanf(match, "SwapCached: %ld kB\n", &cached);
|
|
|
|
if ((match = strstr(buf, "SwapFree")) == NULL) {
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
sscanf(match, "SwapFree: %ld kB\n", &free);
|
|
|
|
return smprintf("%f", (float)(total - free - cached) / 1024 / 1024);
|
|
}
|
|
|
|
static char *
|
|
temp(const char *file)
|
|
{
|
|
int temp;
|
|
FILE *fp;
|
|
|
|
fp = fopen(file, "r");
|
|
if (fp == NULL) {
|
|
warn("Failed to open file %s", file);
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
fscanf(fp, "%d", &temp);
|
|
fclose(fp);
|
|
|
|
return smprintf("%d°C", temp / 1000);
|
|
}
|
|
|
|
static char *
|
|
uptime(void)
|
|
{
|
|
struct sysinfo info;
|
|
int h = 0;
|
|
int m = 0;
|
|
|
|
sysinfo(&info);
|
|
h = info.uptime / 3600;
|
|
m = (info.uptime - h * 3600 ) / 60;
|
|
|
|
return smprintf("%dh %dm", h, m);
|
|
}
|
|
|
|
static char *
|
|
username(void)
|
|
{
|
|
uid_t uid = geteuid();
|
|
struct passwd *pw = getpwuid(uid);
|
|
|
|
if (pw == NULL) {
|
|
warn("Failed to get username");
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
|
|
return smprintf("%s", pw->pw_name);
|
|
}
|
|
|
|
static char *
|
|
uid(void)
|
|
{
|
|
return smprintf("%d", geteuid());
|
|
}
|
|
|
|
|
|
static char *
|
|
vol_perc(const char *card)
|
|
{
|
|
int mute;
|
|
long int vol, max, min;
|
|
snd_mixer_t *handle;
|
|
snd_mixer_elem_t *elem;
|
|
snd_mixer_selem_id_t *s_elem;
|
|
|
|
snd_mixer_open(&handle, 0);
|
|
snd_mixer_attach(handle, card);
|
|
snd_mixer_selem_register(handle, NULL, NULL);
|
|
snd_mixer_load(handle);
|
|
snd_mixer_selem_id_malloc(&s_elem);
|
|
snd_mixer_selem_id_set_name(s_elem, "Master");
|
|
elem = snd_mixer_find_selem(handle, s_elem);
|
|
|
|
if (elem == NULL) {
|
|
snd_mixer_selem_id_free(s_elem);
|
|
snd_mixer_close(handle);
|
|
warn("Failed to get volume percentage for %s", card);
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
|
|
snd_mixer_handle_events(handle);
|
|
snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
|
|
snd_mixer_selem_get_playback_volume(elem, 0, &vol);
|
|
snd_mixer_selem_get_playback_switch(elem, 0, &mute);
|
|
|
|
snd_mixer_selem_id_free(s_elem);
|
|
snd_mixer_close(handle);
|
|
|
|
if (!mute)
|
|
return smprintf("mute");
|
|
else if (max == 0)
|
|
return smprintf("0%%");
|
|
else
|
|
return smprintf("%lu%%", ((uint_fast16_t)(vol * 100) / max));
|
|
}
|
|
|
|
static char *
|
|
wifi_perc(const char *iface)
|
|
{
|
|
int perc;
|
|
char buf[255];
|
|
char *datastart;
|
|
char status[5];
|
|
FILE *fp;
|
|
|
|
ccat(3, "/sys/class/net/", iface, "/operstate");
|
|
fp = fopen(concat, "r");
|
|
if (fp == NULL) {
|
|
warn("Failed to open file %s", concat);
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
fgets(status, 5, fp);
|
|
fclose(fp);
|
|
if(strcmp(status, "up\n") != 0) {
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
|
|
fp = fopen("/proc/net/wireless", "r");
|
|
if (fp == NULL) {
|
|
warn("Failed to open file /proc/net/wireless");
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
ccat(2, iface, ":");
|
|
fgets(buf, sizeof(buf), fp);
|
|
fgets(buf, sizeof(buf), fp);
|
|
fgets(buf, sizeof(buf), fp);
|
|
fclose(fp);
|
|
|
|
if ((datastart = strstr(buf, concat)) == NULL) {
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
datastart = (datastart+(strlen(iface)+1));
|
|
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
|
|
|
|
return smprintf("%d%%", perc);
|
|
}
|
|
|
|
static char *
|
|
wifi_essid(const char *iface)
|
|
{
|
|
char id[IW_ESSID_MAX_SIZE+1];
|
|
int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
|
|
struct iwreq wreq;
|
|
|
|
memset(&wreq, 0, sizeof(struct iwreq));
|
|
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
|
|
snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
|
|
|
|
if (sockfd == -1) {
|
|
warn("Failed to get ESSID for interface %s", iface);
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
wreq.u.essid.pointer = id;
|
|
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
|
|
warn("Failed to get ESSID for interface %s", iface);
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
}
|
|
|
|
close(sockfd);
|
|
|
|
if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
|
|
return smprintf("%s", UNKNOWN_STR);
|
|
else
|
|
return smprintf("%s", (char *)wreq.u.essid.pointer);
|
|
}
|
|
|
|
static void
|
|
sighandler(const int signo)
|
|
{
|
|
if (signo == SIGTERM || signo == SIGINT) {
|
|
done = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
usage(int eval)
|
|
{
|
|
fprintf(stderr, "usage: %s [-d] [-o] [-v] [-h]\n", argv0);
|
|
exit(eval);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
unsigned short int i;
|
|
char status_string[2048];
|
|
char *res, *element;
|
|
struct arg argument;
|
|
struct sigaction act;
|
|
|
|
ARGBEGIN {
|
|
case 'd':
|
|
dflag = 1;
|
|
break;
|
|
case 'o':
|
|
oflag = 1;
|
|
break;
|
|
case 'v':
|
|
printf("slstatus (C) 2016 slstatus engineers\n");
|
|
return 0;
|
|
case 'h':
|
|
usage(0);
|
|
default:
|
|
usage(1);
|
|
} ARGEND
|
|
|
|
if (dflag && oflag) {
|
|
usage(1);
|
|
}
|
|
if (dflag && daemon(1, 1) < 0) {
|
|
err(1, "daemon");
|
|
}
|
|
|
|
memset(&act, 0, sizeof(act));
|
|
act.sa_handler = sighandler;
|
|
sigaction(SIGINT, &act, 0);
|
|
sigaction(SIGTERM, &act, 0);
|
|
|
|
if (!oflag) {
|
|
dpy = XOpenDisplay(NULL);
|
|
}
|
|
|
|
setlocale(LC_ALL, "");
|
|
|
|
while (!done) {
|
|
status_string[0] = '\0';
|
|
|
|
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
|
|
argument = args[i];
|
|
if (argument.args == NULL) {
|
|
res = argument.func();
|
|
} else {
|
|
res = argument.func(argument.args);
|
|
}
|
|
element = smprintf(argument.fmt, res);
|
|
if (element == NULL) {
|
|
element = smprintf("%s", UNKNOWN_STR);
|
|
warnx("Failed to format output");
|
|
}
|
|
if (strlcat(status_string, element, sizeof(status_string)) >= sizeof(status_string)) {
|
|
warnx("Output too long");
|
|
}
|
|
free(res);
|
|
free(element);
|
|
}
|
|
|
|
if (!oflag) {
|
|
XStoreName(dpy, DefaultRootWindow(dpy), status_string);
|
|
XSync(dpy, False);
|
|
} else {
|
|
printf("%s\n", status_string);
|
|
}
|
|
|
|
if ((UPDATE_INTERVAL - delay) <= 0) {
|
|
delay = 0;
|
|
continue;
|
|
} else {
|
|
sleep(UPDATE_INTERVAL - delay);
|
|
delay = 0;
|
|
}
|
|
}
|
|
|
|
if (!oflag) {
|
|
XStoreName(dpy, DefaultRootWindow(dpy), NULL);
|
|
XCloseDisplay(dpy);
|
|
}
|
|
|
|
return 0;
|
|
}
|