+++ /dev/null
-/* See LICENSE file for copyright and license details. */
-#include <errno.h>
-#include <ifaddrs.h>
-#include <linux/wireless.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <limits.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-
-#include "../../util.h"
-
-const char *
-wifi_perc(const char *iface)
-{
- int i, cur;
- float perc;
- int total = 70; /* the max of /proc/net/wireless */
- char *p, *datastart;
- char path[PATH_MAX];
- char status[5];
- FILE *fp;
-
- snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface, "/operstate");
- fp = fopen(path, "r");
- if (fp == NULL) {
- fprintf(stderr, "fopen '%s': %s\n", path, strerror(errno));
- return NULL;
- }
- p = fgets(status, 5, fp);
- fclose(fp);
- if(!p || strcmp(status, "up\n") != 0) {
- return NULL;
- }
-
- fp = fopen("/proc/net/wireless", "r");
- if (fp == NULL) {
- fprintf(stderr, "fopen '/proc/net/wireless': %s\n", strerror(errno));
- return NULL;
- }
-
- for (i = 0; i < 3; i++) {
- if (!(p = fgets(buf, sizeof(buf) - 1, fp)))
- break;
- }
- fclose(fp);
- if (i < 2 || !p)
- return NULL;
-
- if ((datastart = strstr(buf, iface)) == NULL)
- return NULL;
-
- datastart = (datastart+(strlen(iface)+1));
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &cur);
-
- perc = (float)cur / total * 100.0;
-
- return bprintf("%.0f", perc);
-}
-
-const char *
-wifi_essid(const char *iface)
-{
- static 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) {
- fprintf(stderr, "socket 'AF_INET': %s\n", strerror(errno));
- return NULL;
- }
- wreq.u.essid.pointer = id;
- if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
- fprintf(stderr, "ioctl 'SIOCGIWESSID': %s\n", strerror(errno));
- close(sockfd);
- return NULL;
- }
-
- close(sockfd);
-
- if (strcmp(id, "") == 0)
- return NULL;
- else
- return id;
-}