Aaron Marcher
10 years ago
committed by
Aaron Marcher (drkhsh)
Aaron Marcher (drkhsh)
5 changed files with 405 additions and 0 deletions
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slstatus |
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slstatus.o |
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# See LICENSE file for copyright and license details.
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include config.mk |
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SRC = ${NAME}.c |
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OBJ = ${SRC:.c=.o} |
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all: options ${NAME} |
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options: |
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@echo ${NAME} build options: |
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@echo "CFLAGS = ${CFLAGS}" |
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@echo "LDFLAGS = ${LDFLAGS}" |
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@echo "CC = ${CC}" |
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.c.o: |
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@echo CC $< |
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@${CC} -c ${CFLAGS} $< |
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${OBJ}: config.mk |
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${NAME}: ${OBJ} |
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@echo CC -o $@ |
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@${CC} -o $@ ${OBJ} ${LDFLAGS} |
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clean: |
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@echo cleaning |
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@rm -f ${NAME} ${OBJ} ${NAME}-${VERSION}.tar.gz |
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dist: clean |
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@echo creating dist tarball |
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@mkdir -p ${NAME}-${VERSION} |
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@cp -R Makefile config.mk LICENSE \
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${SRC} ${NAME}-${VERSION} |
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@tar -cf ${NAME}-${VERSION}.tar ${NAME}-${VERSION} |
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@gzip ${NAME}-${VERSION}.tar |
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@rm -rf ${NAME}-${VERSION} |
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install: all |
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@echo installing executable file to ${DESTDIR}${PREFIX}/bin |
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@mkdir -p ${DESTDIR}${PREFIX}/bin |
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@cp -f ${NAME} ${DESTDIR}${PREFIX}/bin |
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@chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME} |
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uninstall: |
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@echo removing executable file from ${DESTDIR}${PREFIX}/bin |
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@rm -f ${DESTDIR}${PREFIX}/bin/${NAME} |
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.PHONY: all options clean dist install uninstall |
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@ -0,0 +1,22 @@ |
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/* See LICENSE file for copyright and license details. */ |
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/* alsa sound */ |
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static const char soundcard[] = "default"; |
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static const char channel[] = "Master"; |
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/* cpu temperature */ |
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static const char tempfile[] = "/sys/devices/platform/coretemp.0/hwmon/hwmon2/temp1_input"; |
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/* wifi */ |
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static const char wificard[] = "wlp3s0"; |
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/* battery */ |
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static const char batterynowfile[] = "/sys/class/power_supply/BAT0/energy_now"; |
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static const char batteryfullfile[] = "/sys/class/power_supply/BAT0/energy_full_design"; |
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/* time */ |
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static const char timeformat[] = "%y-%m-%d %H:%M:%S"; |
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/* statusbar */ |
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#define FORMATSTRING "wifi %4s | bat %4s | cpu %4s %3s | ram %3s | vol %4s | %3s" |
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#define ARGUMENTS wifi_signal(), battery(), cpu_usage(), cpu_temperature(), ram_usage(), volume(), datetime() |
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NAME = slstatus |
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VERSION = 1.0 |
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# Customize below to fit your system
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# paths
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PREFIX = /usr/local |
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MANPREFIX = ${PREFIX}/share/man |
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X11INC = /usr/X11R6/include |
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X11LIB = /usr/X11R6/lib |
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# includes and libs
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INCS = -I. -I/usr/include -I${X11INC} |
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LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 -lasound |
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# flags
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CPPFLAGS = -DVERSION=\"${VERSION}\" |
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CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS} |
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#CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
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LDFLAGS = -g ${LIBS} |
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#LDFLAGS = -s ${LIBS}
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# Solaris
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#CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"
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#LDFLAGS = ${LIBS}
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# compiler and linker
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CC = cc |
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/* See LICENSE file for copyright and license details. */ |
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#include <alsa/asoundlib.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 <time.h> |
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#include <unistd.h> |
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#include <X11/Xlib.h> |
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#include "config.h" |
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char *smprintf(char *fmt, ...); |
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void *setstatus(char *str); |
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char *wifi_signal(); |
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char *battery(); |
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char *cpu_usage(); |
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char *cpu_temperature(); |
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char *ram_usage(); |
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char *volume(); |
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char *datetime(); |
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static Display *dpy; |
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/* smprintf function */ |
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char * |
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smprintf(char *fmt, ...) |
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{ |
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va_list fmtargs; |
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char *ret; |
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int len; |
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va_start(fmtargs, fmt); |
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len = vsnprintf(NULL, 0, fmt, fmtargs); |
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va_end(fmtargs); |
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ret = malloc(++len); |
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if (ret == NULL) { |
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fprintf(stderr, "Malloc error."); |
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exit(1); |
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} |
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va_start(fmtargs, fmt); |
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vsnprintf(ret, len, fmt, fmtargs); |
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va_end(fmtargs); |
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return ret; |
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} |
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/* set statusbar (WM_NAME) */ |
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void |
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setstatus(char *str) |
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{ |
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XStoreName(dpy, DefaultRootWindow(dpy), str); |
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XSync(dpy, False); |
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} |
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/* alsa volume percentage */ |
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char * |
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volume() |
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{ |
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int mute = 0; |
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long vol = 0, max = 0, min = 0; |
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snd_mixer_t *handle; |
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snd_mixer_elem_t *pcm_mixer, *mas_mixer; |
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snd_mixer_selem_id_t *vol_info, *mute_info; |
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snd_mixer_open(&handle, 0); |
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snd_mixer_attach(handle, soundcard); |
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snd_mixer_selem_register(handle, NULL, NULL); |
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snd_mixer_load(handle); |
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snd_mixer_selem_id_malloc(&vol_info); |
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snd_mixer_selem_id_malloc(&mute_info); |
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snd_mixer_selem_id_set_name(vol_info, channel); |
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snd_mixer_selem_id_set_name(mute_info, channel); |
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pcm_mixer = snd_mixer_find_selem(handle, vol_info); |
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mas_mixer = snd_mixer_find_selem(handle, mute_info); |
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snd_mixer_selem_get_playback_volume_range((snd_mixer_elem_t *)pcm_mixer, |
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&min, &max); |
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snd_mixer_selem_get_playback_volume((snd_mixer_elem_t *)pcm_mixer, |
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SND_MIXER_SCHN_MONO, &vol); |
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snd_mixer_selem_get_playback_switch(mas_mixer, SND_MIXER_SCHN_MONO, |
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&mute); |
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if (vol_info) |
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snd_mixer_selem_id_free(vol_info); |
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if (mute_info) |
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snd_mixer_selem_id_free(mute_info); |
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if (handle) |
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snd_mixer_close(handle); |
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if (!mute) |
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return "mute"; |
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else |
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return smprintf("%d%%", (vol * 100) / max); |
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} |
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/* cpu temperature */ |
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char * |
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cpu_temperature() |
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{ |
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int temperature; |
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FILE *fp; |
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/* open temperature file */ |
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if (!(fp = fopen(tempfile, "r"))) { |
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fprintf(stderr, "Could not open temperature file.\n"); |
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exit(1); |
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} |
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/* extract temperature, close file */ |
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fscanf(fp, "%d", &temperature); |
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fclose(fp); |
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/* return temperature in degrees */ |
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return smprintf("%d°C", temperature / 1000); |
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} |
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/* wifi percentage */ |
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char * |
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wifi_signal() |
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{ |
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int bufsize = 255; |
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int strength; |
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char buf[bufsize]; |
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char *datastart; |
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char path_start[16] = "/sys/class/net/"; |
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char path_end[11] = "/operstate"; |
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char path[32]; |
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FILE *fp; |
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/* generate the path name */ |
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strcat(path, path_start); |
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strcat(path, wificard); |
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strcat(path, path_end); |
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/* open wifi file, extract status, close file */ |
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if(!(fp = fopen(path, "r"))) { |
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fprintf(stderr, "Error opening wifi operstate file."); |
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exit(1); |
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} |
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char status[5]; |
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fgets(status, 5, fp); |
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fclose(fp); |
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/* check if interface down */ |
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if(strcmp(status, "up\n") != 0){ |
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return "n/a"; |
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} |
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/* open wifi file */ |
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if (!(fp = fopen("/proc/net/wireless", "r"))) { |
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fprintf(stderr, "Error opening wireless file."); |
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exit(1); |
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} |
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/* extract the signal strength and close the file */ |
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fgets(buf, bufsize, fp); |
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fgets(buf, bufsize, fp); |
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fgets(buf, bufsize, fp); |
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if ((datastart = strstr(buf, "wlp3s0:")) != NULL) { |
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datastart = strstr(buf, ":"); |
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sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", |
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&strength); |
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} |
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fclose(fp); |
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/* return strength in percent */ |
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return smprintf("%d%%", strength); |
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} |
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/* battery percentage */ |
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char * |
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battery() |
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{ |
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int batt_now; |
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int batt_full; |
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int batt_perc; |
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FILE *fp; |
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/* open battery now file, extract and close */ |
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if (!(fp = fopen(batterynowfile, "r"))) { |
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fprintf(stderr, "Error opening battery file."); |
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exit(1); |
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} |
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fscanf(fp, "%i", &batt_now); |
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fclose(fp); |
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/* extract battery full file, extract and close */ |
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if (!(fp = fopen(batteryfullfile, "r"))) { |
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fprintf(stderr, "Error opening battery file."); |
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exit(1); |
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} |
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fscanf(fp, "%i", &batt_full); |
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fclose(fp); |
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/* calculate percent */ |
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batt_perc = batt_now / (batt_full / 100); |
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/* return percent */ |
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return smprintf("%d%%", batt_perc); |
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} |
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/* date and time */ |
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char * |
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datetime() |
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{ |
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time_t tm; |
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size_t bufsize = 19; |
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char *buf = malloc(bufsize); |
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/* get time in format */ |
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time(&tm); |
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if(!strftime(buf, bufsize, timeformat, localtime(&tm))) { |
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fprintf(stderr, "Strftime failed.\n"); |
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exit(1); |
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} |
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/* return time */ |
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return buf; |
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} |
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/* cpu percentage */ |
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char * |
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cpu_usage() |
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{ |
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FILE *fp; |
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long double a[4], b[4], cpu_perc; |
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/* open stat file, read and close, do same after 1 second */ |
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if (!(fp = fopen("/proc/stat","r"))) { |
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fprintf(stderr, "Error opening stat file."); |
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exit(1); |
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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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sleep(1); |
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if (!(fp = fopen("/proc/stat","r"))) { |
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fprintf(stderr, "Error opening stat file."); |
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exit(1); |
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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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/* calculate average in 1 second */ |
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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])); |
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/* return avg cpu percentage */ |
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return smprintf("%d%%", (int)cpu_perc); |
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} |
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/* ram percentage */ |
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char * |
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ram_usage() |
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{ |
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FILE *fp; |
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long total, free, available; |
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int ram_perc; |
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/* read meminfo file, extract and close */ |
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if (!(fp = fopen("/proc/meminfo", "r"))) { |
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fprintf(stderr, "Error opening meminfo file."); |
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exit(1); |
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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\n", &available); |
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fclose(fp); |
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/* calculate percentage */ |
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ram_perc = 100 * (total - available) / total; |
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/* return in percent */ |
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return smprintf("%d%%",ram_perc); |
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} |
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int |
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main() |
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{ |
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char status[1024]; |
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/* open display */ |
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if (( dpy = XOpenDisplay(0x0)) == NULL ) { |
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fprintf(stderr, "Cannot open display!\n"); |
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exit(1); |
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} |
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/* return status every second */ |
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for (;;) { |
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sprintf(status, FORMATSTRING, ARGUMENTS); |
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setstatus(status); |
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} |
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/* close display */ |
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XCloseDisplay(dpy); |
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/* exit successfully */ |
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return 0; |
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} |
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