// vim:ts=8:expandtab
#include <stdio.h>
#include <string.h>
+#include <yajl/yajl_gen.h>
+#include <yajl/yajl_version.h>
#ifdef LINUX
#include <iwlib.h>
+#else
+#ifndef __FreeBSD__
+#define IW_ESSID_MAX_SIZE 32
+#endif
+#endif
+
+#ifdef __FreeBSD__
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_media.h>
+#include <net80211/ieee80211.h>
+#include <net80211/ieee80211_ioctl.h>
+#include <unistd.h>
+#define IW_ESSID_MAX_SIZE IEEE80211_NWID_LEN
+#endif
+
+#ifdef __DragonFly__
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_media.h>
+#include <netproto/802_11/ieee80211.h>
+#include <netproto/802_11/ieee80211_ioctl.h>
+#include <unistd.h>
+#define IW_ESSID_MAX_SIZE IEEE80211_NWID_LEN
+#endif
+
+#ifdef __OpenBSD__
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <net80211/ieee80211.h>
+#include <net80211/ieee80211_ioctl.h>
#endif
#include "i3status.h"
int signal_level_max;
int noise_level;
int noise_level_max;
+ int bitrate;
} wireless_info_t;
static int get_wireless_info(const char *interface, wireless_info_t *info) {
info->essid[IW_ESSID_MAX_SIZE] = '\0';
}
+ /* If the function iw_get_stats does not return proper stats, the
+ wifi is considered as down.
+ Since ad-hoc network does not have theses stats, we need to return
+ here for this mode. */
+ if (wcfg.mode == 1) {
+ close(skfd);
+ return 1;
+ }
+
/* Wireless quality is a relative value in a driver-specific range.
Signal and noise level can be either relative or absolute values
in dBm. Furthermore, noise and quality can be expressed directly
}
}
+ struct iwreq wrq;
+ if (iw_get_ext(skfd, interface, SIOCGIWRATE, &wrq) >= 0)
+ info->bitrate = wrq.u.bitrate.value;
+
close(skfd);
return 1;
#endif
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+ int s, len, inwid;
+ uint8_t buf[24 * 1024], *cp;
+ struct ieee80211req na;
+ char network_id[IEEE80211_NWID_LEN + 1];
+
+ if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
+ return (0);
+
+ memset(&na, 0, sizeof(na));
+ strlcpy(na.i_name, interface, sizeof(na.i_name));
+ na.i_type = IEEE80211_IOC_SSID;
+ na.i_data = &info->essid[0];
+ na.i_len = IEEE80211_NWID_LEN + 1;
+ if ((inwid = ioctl(s, SIOCG80211, (caddr_t)&na)) == -1) {
+ close(s);
+ return (0);
+ }
+ if (inwid == 0) {
+ if (na.i_len <= IEEE80211_NWID_LEN)
+ len = na.i_len + 1;
+ else
+ len = IEEE80211_NWID_LEN + 1;
+ info->essid[len -1] = '\0';
+ } else {
+ close(s);
+ return (0);
+ }
+ info->flags |= WIRELESS_INFO_FLAG_HAS_ESSID;
+
+ memset(&na, 0, sizeof(na));
+ strlcpy(na.i_name, interface, sizeof(na.i_name));
+ na.i_type = IEEE80211_IOC_SCAN_RESULTS;
+ na.i_data = buf;
+ na.i_len = sizeof(buf);
+
+ if (ioctl(s, SIOCG80211, (caddr_t)&na) == -1) {
+ printf("fail\n");
+ close(s);
+ return (0);
+ }
+
+ close(s);
+ len = na.i_len;
+ cp = buf;
+ struct ieee80211req_scan_result *sr;
+ uint8_t *vp;
+ sr = (struct ieee80211req_scan_result *)cp;
+ vp = (u_int8_t *)(sr + 1);
+ strlcpy(network_id, (const char *)vp, sr->isr_ssid_len + 1);
+ if (!strcmp(network_id, &info->essid[0])) {
+ info->signal_level = sr->isr_rssi;
+ info->flags |= WIRELESS_INFO_FLAG_HAS_SIGNAL;
+ info->noise_level = sr->isr_noise;
+ info->flags |= WIRELESS_INFO_FLAG_HAS_NOISE;
+ info->quality = sr->isr_intval;
+ info->flags |= WIRELESS_INFO_FLAG_HAS_QUALITY;
+ }
+
+ return 1;
+#endif
+#ifdef __OpenBSD__
+ struct ifreq ifr;
+ struct ieee80211_bssid bssid;
+ struct ieee80211_nwid nwid;
+ struct ieee80211_nodereq nr;
+
+ struct ether_addr ea;
+
+ int s, len, ibssid, inwid;
+ u_int8_t zero_bssid[IEEE80211_ADDR_LEN];
+
+ if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
+ return (0);
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_data = (caddr_t)&nwid;
+ (void)strlcpy(ifr.ifr_name, interface, sizeof(ifr.ifr_name));
+ inwid = ioctl(s, SIOCG80211NWID, (caddr_t)&ifr);
+
+ memset(&bssid, 0, sizeof(bssid));
+ strlcpy(bssid.i_name, interface, sizeof(bssid.i_name));
+ ibssid = ioctl(s, SIOCG80211BSSID, &bssid);
+
+ if (ibssid != 0 || inwid != 0) {
+ close(s);
+ return 0;
+ }
+
+ /* NWID */
+ {
+ if (nwid.i_len <= IEEE80211_NWID_LEN)
+ len = nwid.i_len + 1;
+ else
+ len = IEEE80211_NWID_LEN + 1;
+
+ strncpy(&info->essid[0], nwid.i_nwid, len);
+ info->essid[IW_ESSID_MAX_SIZE] = '\0';
+ info->flags |= WIRELESS_INFO_FLAG_HAS_ESSID;
+ }
+
+ /* Signal strength */
+ {
+ memset(&zero_bssid, 0, sizeof(zero_bssid));
+ if (ibssid == 0 && memcmp(bssid.i_bssid, zero_bssid, IEEE80211_ADDR_LEN) != 0) {
+ memcpy(&ea.ether_addr_octet, bssid.i_bssid, sizeof(ea.ether_addr_octet));
+
+ bzero(&nr, sizeof(nr));
+ bcopy(bssid.i_bssid, &nr.nr_macaddr, sizeof(nr.nr_macaddr));
+ strlcpy(nr.nr_ifname, interface, sizeof(nr.nr_ifname));
+
+ if (ioctl(s, SIOCG80211NODE, &nr) == 0 && nr.nr_rssi) {
+ if (nr.nr_max_rssi)
+ info->signal_level_max = IEEE80211_NODEREQ_RSSI(&nr);
+ else
+ info->signal_level = nr.nr_rssi;
+
+ info->flags |= WIRELESS_INFO_FLAG_HAS_SIGNAL;
+ }
+ }
+ }
+
+ close(s);
+ return 1;
+#endif
+ return 0;
}
-void print_wireless_info(const char *interface, const char *format_up, const char *format_down) {
+void print_wireless_info(yajl_gen json_gen, char *buffer, const char *interface, const char *format_up, const char *format_down) {
const char *walk;
+ char *outwalk = buffer;
wireless_info_t info;
+
+ INSTANCE(interface);
+
+ const char *ip_address = get_ip_addr(interface);
+ if (ip_address == NULL) {
+ START_COLOR("color_bad");
+ outwalk += sprintf(outwalk, "%s", format_down);
+ goto out;
+ }
+
if (get_wireless_info(interface, &info)) {
walk = format_up;
if (info.flags & WIRELESS_INFO_FLAG_HAS_QUALITY)
- printf("%s", info.quality < info.quality_average ? color("#FFFF00") : color("#00FF00"));
- }
- else {
+ START_COLOR((info.quality < info.quality_average ? "color_degraded" : "color_good"));
+ else
+ START_COLOR("color_good");
+ } else {
walk = format_down;
- printf("%s", color("#FF0000"));
+ START_COLOR("color_bad");
}
for (; *walk != '\0'; walk++) {
if (*walk != '%') {
- putchar(*walk);
+ *(outwalk++) = *walk;
continue;
}
if (BEGINS_WITH(walk+1, "quality")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_QUALITY) {
if (info.quality_max)
- printf("%03d%%", PERCENT_VALUE(info.quality, info.quality_max));
+ outwalk += sprintf(outwalk, "%03d%%", PERCENT_VALUE(info.quality, info.quality_max));
else
- printf("%d", info.quality);
- }
- else {
- printf("no value");
+ outwalk += sprintf(outwalk, "%d", info.quality);
+ } else {
+ *(outwalk++) = '?';
}
walk += strlen("quality");
}
if (BEGINS_WITH(walk+1, "signal")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_SIGNAL) {
if (info.signal_level_max)
- printf("%03d%%", PERCENT_VALUE(info.signal_level, info.signal_level_max));
+ outwalk += sprintf(outwalk, "%03d%%", PERCENT_VALUE(info.signal_level, info.signal_level_max));
else
- printf("%d dBm", info.signal_level);
- }
- else {
- printf("no value");
+ outwalk += sprintf(outwalk, "%d dBm", info.signal_level);
+ } else {
+ *(outwalk++) = '?';
}
walk += strlen("signal");
}
if (BEGINS_WITH(walk+1, "noise")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_NOISE) {
if (info.noise_level_max)
- printf("%03d%%", PERCENT_VALUE(info.noise_level, info.noise_level_max));
+ outwalk += sprintf(outwalk, "%03d%%", PERCENT_VALUE(info.noise_level, info.noise_level_max));
else
- printf("%d dBm", info.noise_level);
- }
- else {
- printf("no value");
+ outwalk += sprintf(outwalk, "%d dBm", info.noise_level);
+ } else {
+ *(outwalk++) = '?';
}
walk += strlen("noise");
}
if (BEGINS_WITH(walk+1, "essid")) {
if (info.flags & WIRELESS_INFO_FLAG_HAS_ESSID)
- printf("%s", info.essid);
+ outwalk += sprintf(outwalk, "%s", info.essid);
else
- printf("no value");
+ *(outwalk++) = '?';
walk += strlen("essid");
}
if (BEGINS_WITH(walk+1, "ip")) {
- const char *ip_address = get_ip_addr(interface);
- if (ip_address != NULL)
- (void)printf("%s", get_ip_addr(interface));
- else (void)printf("no IP");
- walk += strlen("ip");
+ outwalk += sprintf(outwalk, "%s", ip_address);
+ walk += strlen("ip");
}
+
+#ifdef LINUX
+ if (BEGINS_WITH(walk+1, "bitrate")) {
+ char br_buffer[128];
+
+ iw_print_bitrate(br_buffer, sizeof(br_buffer), info.bitrate);
+
+ outwalk += sprintf(outwalk, "%s", br_buffer);
+ walk += strlen("bitrate");
+ }
+#endif
}
- (void)printf("%s", endcolor());
+out:
+ END_COLOR;
+ OUTPUT_FULL_TEXT(buffer);
}