commit 94ea78f0fe394fc6b42dc0d83be9abf3d1c77ea0
parent 47a0e8dec3f146bc14934bb2e2516fa3b6fdc926
Author: Aaron Marcher <info@nulltime.net>
Date: Fri, 4 Mar 2016 18:07:42 +0100
initial commit
Diffstat:
| A | .gitignore | | | 2 | ++ |
| A | Makefile | | | 49 | +++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | config.h | | | 22 | ++++++++++++++++++++++ |
| A | config.mk | | | 30 | ++++++++++++++++++++++++++++++ |
| A | slstatus.c | | | 302 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
5 files changed, 405 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,2 @@
+slstatus
+slstatus.o
diff --git a/Makefile b/Makefile
@@ -0,0 +1,49 @@
+# 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
diff --git a/config.h b/config.h
@@ -0,0 +1,22 @@
+/* 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()
diff --git a/config.mk b/config.mk
@@ -0,0 +1,30 @@
+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
+
diff --git a/slstatus.c b/slstatus.c
@@ -0,0 +1,302 @@
+/* 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;
+}
