added wifi essid
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4170970c85
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093f39df23
@ -20,7 +20,7 @@ The following information is included:
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- ram numbers (free ram, percentage, total ram and used ram)
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- temperature
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- volume percentage (alsa)
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- wifi percentage
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- wifi percentage and essid
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Multiple entries per function are supported and everything can be reordered and customized via the C header file config.h (similar to DWM).
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@ -32,7 +32,8 @@ static unsigned int update_interval = 1;
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- uid (uid of current user) [argument: NULL]
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- username (username of current user) [argument: NULL]
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- vol_perc (alsa volume and mute status in percent) [argument: soundcard]
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- wifi_perc (wifi signal in percent) [argument: wifi card interface name] */
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- wifi_perc (wifi signal in percent) [argument: wifi card interface name]
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- wifi_essid (wifi essid) [argument: wifi card interface name] */
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static const struct arg args[] = {
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/* function format argument */
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{ wifi_perc, "wifi %4s | ", "wlp3s0" },
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43
slstatus.c
43
slstatus.c
@ -6,6 +6,7 @@
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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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@ -13,10 +14,11 @@
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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/types.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/types.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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@ -666,6 +668,45 @@ wifi_perc(const char *wificard)
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return smprintf("%d%%", strength);
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}
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/* wifi essid */
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char *
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wifi_essid(const char *wificard)
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{
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char *id = malloc(IW_ESSID_MAX_SIZE+1);
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if (id == NULL) {
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fprintf(stderr, "Cannot get ESSID.");
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return smprintf("n/a");
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}
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int sockfd;
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struct iwreq wreq;
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/* prepare */
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memset(&wreq, 0, sizeof(struct iwreq));
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wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
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/* set the interface */
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sprintf(wreq.ifr_name, wificard);
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/* check */
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if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
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fprintf(stderr, "Cannot open socket for interface: %s\n", wificard);
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return smprintf("n/a");
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}
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wreq.u.essid.pointer = id;
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if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
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fprintf(stderr, "Get ESSID ioctl failed for interface %s\n", wificard);
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return smprintf("n/a");
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}
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/* return the essid */
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if (strcmp((char *)wreq.u.essid.pointer, "") == 0) {
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return smprintf("n/a");
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}
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else {
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return smprintf("%s", (char *)wreq.u.essid.pointer);
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}
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}
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/* main function */
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int
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main(void)
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@ -35,3 +35,4 @@ char *uid(const char*);
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char *username(const char*);
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char *vol_perc(const char *);
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char *wifi_perc(const char *);
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char *wifi_essid(const char *);
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