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Aaron Marcher 2016-03-04 18:07:42 +01:00 committed by Aaron Marcher (drkhsh)
parent 47a0e8dec3
commit 94ea78f0fe
5 changed files with 405 additions and 0 deletions

2
.gitignore vendored Normal file
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slstatus
slstatus.o

49
Makefile Normal file
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# See LICENSE file for copyright and license details.
include config.mk
SRC = ${NAME}.c
OBJ = ${SRC:.c=.o}
all: options ${NAME}
options:
@echo ${NAME} build options:
@echo "CFLAGS = ${CFLAGS}"
@echo "LDFLAGS = ${LDFLAGS}"
@echo "CC = ${CC}"
.c.o:
@echo CC $<
@${CC} -c ${CFLAGS} $<
${OBJ}: config.mk
${NAME}: ${OBJ}
@echo CC -o $@
@${CC} -o $@ ${OBJ} ${LDFLAGS}
clean:
@echo cleaning
@rm -f ${NAME} ${OBJ} ${NAME}-${VERSION}.tar.gz
dist: clean
@echo creating dist tarball
@mkdir -p ${NAME}-${VERSION}
@cp -R Makefile config.mk LICENSE \
${SRC} ${NAME}-${VERSION}
@tar -cf ${NAME}-${VERSION}.tar ${NAME}-${VERSION}
@gzip ${NAME}-${VERSION}.tar
@rm -rf ${NAME}-${VERSION}
install: all
@echo installing executable file to ${DESTDIR}${PREFIX}/bin
@mkdir -p ${DESTDIR}${PREFIX}/bin
@cp -f ${NAME} ${DESTDIR}${PREFIX}/bin
@chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}
uninstall:
@echo removing executable file from ${DESTDIR}${PREFIX}/bin
@rm -f ${DESTDIR}${PREFIX}/bin/${NAME}
.PHONY: all options clean dist install uninstall

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config.h Normal file
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/* See LICENSE file for copyright and license details. */
/* alsa sound */
static const char soundcard[] = "default";
static const char channel[] = "Master";
/* cpu temperature */
static const char tempfile[] = "/sys/devices/platform/coretemp.0/hwmon/hwmon2/temp1_input";
/* wifi */
static const char wificard[] = "wlp3s0";
/* battery */
static const char batterynowfile[] = "/sys/class/power_supply/BAT0/energy_now";
static const char batteryfullfile[] = "/sys/class/power_supply/BAT0/energy_full_design";
/* time */
static const char timeformat[] = "%y-%m-%d %H:%M:%S";
/* statusbar */
#define FORMATSTRING "wifi %4s | bat %4s | cpu %4s %3s | ram %3s | vol %4s | %3s"
#define ARGUMENTS wifi_signal(), battery(), cpu_usage(), cpu_temperature(), ram_usage(), volume(), datetime()

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config.mk Normal file
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NAME = slstatus
VERSION = 1.0
# Customize below to fit your system
# paths
PREFIX = /usr/local
MANPREFIX = ${PREFIX}/share/man
X11INC = /usr/X11R6/include
X11LIB = /usr/X11R6/lib
# includes and libs
INCS = -I. -I/usr/include -I${X11INC}
LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 -lasound
# flags
CPPFLAGS = -DVERSION=\"${VERSION}\"
CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
#CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
LDFLAGS = -g ${LIBS}
#LDFLAGS = -s ${LIBS}
# Solaris
#CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"
#LDFLAGS = ${LIBS}
# compiler and linker
CC = cc

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slstatus.c Normal file
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/* See LICENSE file for copyright and license details. */
#include <alsa/asoundlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include "config.h"
char *smprintf(char *fmt, ...);
void *setstatus(char *str);
char *wifi_signal();
char *battery();
char *cpu_usage();
char *cpu_temperature();
char *ram_usage();
char *volume();
char *datetime();
static Display *dpy;
/* smprintf function */
char *
smprintf(char *fmt, ...)
{
va_list fmtargs;
char *ret;
int len;
va_start(fmtargs, fmt);
len = vsnprintf(NULL, 0, fmt, fmtargs);
va_end(fmtargs);
ret = malloc(++len);
if (ret == NULL) {
fprintf(stderr, "Malloc error.");
exit(1);
}
va_start(fmtargs, fmt);
vsnprintf(ret, len, fmt, fmtargs);
va_end(fmtargs);
return ret;
}
/* set statusbar (WM_NAME) */
void
setstatus(char *str)
{
XStoreName(dpy, DefaultRootWindow(dpy), str);
XSync(dpy, False);
}
/* alsa volume percentage */
char *
volume()
{
int mute = 0;
long vol = 0, max = 0, min = 0;
snd_mixer_t *handle;
snd_mixer_elem_t *pcm_mixer, *mas_mixer;
snd_mixer_selem_id_t *vol_info, *mute_info;
snd_mixer_open(&handle, 0);
snd_mixer_attach(handle, soundcard);
snd_mixer_selem_register(handle, NULL, NULL);
snd_mixer_load(handle);
snd_mixer_selem_id_malloc(&vol_info);
snd_mixer_selem_id_malloc(&mute_info);
snd_mixer_selem_id_set_name(vol_info, channel);
snd_mixer_selem_id_set_name(mute_info, channel);
pcm_mixer = snd_mixer_find_selem(handle, vol_info);
mas_mixer = snd_mixer_find_selem(handle, mute_info);
snd_mixer_selem_get_playback_volume_range((snd_mixer_elem_t *)pcm_mixer,
&min, &max);
snd_mixer_selem_get_playback_volume((snd_mixer_elem_t *)pcm_mixer,
SND_MIXER_SCHN_MONO, &vol);
snd_mixer_selem_get_playback_switch(mas_mixer, SND_MIXER_SCHN_MONO,
&mute);
if (vol_info)
snd_mixer_selem_id_free(vol_info);
if (mute_info)
snd_mixer_selem_id_free(mute_info);
if (handle)
snd_mixer_close(handle);
if (!mute)
return "mute";
else
return smprintf("%d%%", (vol * 100) / max);
}
/* cpu temperature */
char *
cpu_temperature()
{
int temperature;
FILE *fp;
/* open temperature file */
if (!(fp = fopen(tempfile, "r"))) {
fprintf(stderr, "Could not open temperature file.\n");
exit(1);
}
/* extract temperature, close file */
fscanf(fp, "%d", &temperature);
fclose(fp);
/* return temperature in degrees */
return smprintf("%d°C", temperature / 1000);
}
/* wifi percentage */
char *
wifi_signal()
{
int bufsize = 255;
int strength;
char buf[bufsize];
char *datastart;
char path_start[16] = "/sys/class/net/";
char path_end[11] = "/operstate";
char path[32];
FILE *fp;
/* generate the path name */
strcat(path, path_start);
strcat(path, wificard);
strcat(path, path_end);
/* open wifi file, extract status, close file */
if(!(fp = fopen(path, "r"))) {
fprintf(stderr, "Error opening wifi operstate file.");
exit(1);
}
char status[5];
fgets(status, 5, fp);
fclose(fp);
/* check if interface down */
if(strcmp(status, "up\n") != 0){
return "n/a";
}
/* open wifi file */
if (!(fp = fopen("/proc/net/wireless", "r"))) {
fprintf(stderr, "Error opening wireless file.");
exit(1);
}
/* extract the signal strength and close the file */
fgets(buf, bufsize, fp);
fgets(buf, bufsize, fp);
fgets(buf, bufsize, fp);
if ((datastart = strstr(buf, "wlp3s0:")) != NULL) {
datastart = strstr(buf, ":");
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d",
&strength);
}
fclose(fp);
/* return strength in percent */
return smprintf("%d%%", strength);
}
/* battery percentage */
char *
battery()
{
int batt_now;
int batt_full;
int batt_perc;
FILE *fp;
/* open battery now file, extract and close */
if (!(fp = fopen(batterynowfile, "r"))) {
fprintf(stderr, "Error opening battery file.");
exit(1);
}
fscanf(fp, "%i", &batt_now);
fclose(fp);
/* extract battery full file, extract and close */
if (!(fp = fopen(batteryfullfile, "r"))) {
fprintf(stderr, "Error opening battery file.");
exit(1);
}
fscanf(fp, "%i", &batt_full);
fclose(fp);
/* calculate percent */
batt_perc = batt_now / (batt_full / 100);
/* return percent */
return smprintf("%d%%", batt_perc);
}
/* date and time */
char *
datetime()
{
time_t tm;
size_t bufsize = 19;
char *buf = malloc(bufsize);
/* get time in format */
time(&tm);
if(!strftime(buf, bufsize, timeformat, localtime(&tm))) {
fprintf(stderr, "Strftime failed.\n");
exit(1);
}
/* return time */
return buf;
}
/* cpu percentage */
char *
cpu_usage()
{
FILE *fp;
long double a[4], b[4], cpu_perc;
/* open stat file, read and close, do same after 1 second */
if (!(fp = fopen("/proc/stat","r"))) {
fprintf(stderr, "Error opening stat file.");
exit(1);
}
fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&a[0],&a[1],&a[2],&a[3]);
fclose(fp);
sleep(1);
if (!(fp = fopen("/proc/stat","r"))) {
fprintf(stderr, "Error opening stat file.");
exit(1);
}
fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&b[0],&b[1],&b[2],&b[3]);
fclose(fp);
/* calculate average in 1 second */
cpu_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]));
/* return avg cpu percentage */
return smprintf("%d%%", (int)cpu_perc);
}
/* ram percentage */
char *
ram_usage()
{
FILE *fp;
long total, free, available;
int ram_perc;
/* read meminfo file, extract and close */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.");
exit(1);
}
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fscanf(fp, "MemAvailable: %ld kB\n", &available);
fclose(fp);
/* calculate percentage */
ram_perc = 100 * (total - available) / total;
/* return in percent */
return smprintf("%d%%",ram_perc);
}
int
main()
{
char status[1024];
/* open display */
if (( dpy = XOpenDisplay(0x0)) == NULL ) {
fprintf(stderr, "Cannot open display!\n");
exit(1);
}
/* return status every second */
for (;;) {
sprintf(status, FORMATSTRING, ARGUMENTS);
setstatus(status);
}
/* close display */
XCloseDisplay(dpy);
/* exit successfully */
return 0;
}