--- wmwave.c.orig 1999-08-20 13:44:21 UTC +++ wmwave.c @@ -29,6 +29,18 @@ * * Revision 1.1 1999/08/15 15:39:18 carsten * Added wmwave project to repository + * + * Authors (in reverse chronological order): + * Benjamin Close + * Hendrik Scholz + * Bruce M. Simpson + * Carsten Schuermann + * Dan Piponi + * Dave Clark + * + * The FreeBSD version of this software is released under the GNU GPL, and + * forms part of the Consume Project . + * * */ @@ -45,6 +57,7 @@ #include #include #include +#include #include #include @@ -57,6 +70,23 @@ #include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include "wmgeneral.h" @@ -66,7 +96,9 @@ char wmwave_mask_bits[64*64]; int wmwave_mask_width = 64; int wmwave_mask_height = 64; -#define WMWAVE_VERSION "0.4" +#define WMWAVE_VERSION "0.4_FreeBSD-2" +#define WMWAVE_DEFAULT_INTERFACE "wi0" +char *iface = WMWAVE_DEFAULT_INTERFACE; int update_rate=100000; @@ -125,65 +157,100 @@ float min (float x, float y) { } /* - * Find CPU times for all processes + * XXX: Fetch OS-specific wireless statistics. + * + * These are: quality, signal, noise. On NetBSD, the + * statistics kept on an AP-basis for the driver are valid. + * On FreeBSD, we make use of the net80211 layer to display the + * required stats. */ -void DisplayWireless(void) { - FILE *wireless; // File handle for /proc/net/wireless - - char line[255]; - char iface[5]; - char status [3]; - float link = 0; - float level = 0; - float noise = 0; - int nwid = 0; - int crypt = 0; - int misc = 0; - - if ((wireless = fopen ("/proc/net/wireless", "r")) != NULL) - { - fgets(line,sizeof(line),wireless); - fgets(line,sizeof(line),wireless); - if (fgets(line,sizeof(line),wireless) == NULL) { - mode = 0; - } - else { - sscanf(line,"%s %s %f %f %f %d %d %d", - iface,status,&link,&level,&noise,&nwid,&crypt,&misc); - mode = 1; - } - fclose(wireless); - - - /* Print channel information, and signal ratio */ - - switch (mode) { - case 1: BlitString("Quality",4,4); - if (link<=10) {DrawRedDot ();} - else if (link<=20) {DrawYellowDot ();} - else {DrawGreenDot();}; - BlitString("Link ", 4,18); - DrawBar(min ((int)(link * 1.8), 100.0), 4, 27); - BlitString("Level ", 4,32); - DrawGreenBar(min ((int)(level * 0.3), 100.0), 4, 41); - BlitString("Noise ", 4,46); - DrawGreenBar(min ((int)(noise * 0.3), 100.0), 4, 55); - break; - case 0: BlitString("NO CARD",4,4); - DrawEmptyDot(); - BlitString(" ", 4,18); - DrawBar(0.0, 4, 27); - BlitString(" ", 4,32); - DrawGreenBar(0.0, 4, 41); - BlitString(" ", 4,46); - DrawGreenBar(0.0, 4, 55); - break; - }; +void DisplayWireless(void) +{ + struct ifreq ifr; + struct ieee80211req ireq; + union { + struct ieee80211req_sta_req stareq; + uint8_t buf[24*1024]; + } u; + int s, mode, err; + float link, level, noise; + enum { + MODE_NO_CARD = 0, + MODE_HAVE_CARD = 1 + }; + + s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); + if (s == -1) + errx(errno, "socket"); + bzero(&ifr, sizeof(ifr)); + strncpy(ifr.ifr_name, iface, strlen(iface)); + + memset(&ireq, 0, sizeof(ireq)); + strncpy(ireq.i_name, iface, sizeof(ireq.i_name)); + + // Get the currently associated ap + ireq.i_type = IEEE80211_IOC_BSSID; + ireq.i_data = u.stareq.is_u.macaddr; + ireq.i_len = IEEE80211_ADDR_LEN; + err = ioctl(s, SIOCG80211, &ireq); + if ( err >= 0 ){ + + // Get the station info for the ap + memset(&ireq, 0, sizeof(ireq)); + strncpy(ireq.i_name, iface, sizeof(ireq.i_name)); + ireq.i_type = IEEE80211_IOC_STA_INFO; + ireq.i_data = &u; + ireq.i_len = sizeof(u); + err = ioctl(s, SIOCG80211, &ireq); + if ( err >= 0 ){ + const struct ieee80211req_sta_info *si = u.stareq.info; + mode = MODE_HAVE_CARD; + // net80211 doesn't have a link quality field so we base it on the + // noise/signal level + link = (si->isi_rssi-si->isi_noise)/2; + level = si->isi_rssi/2; + noise = abs(si->isi_noise); + } } - else { - printf ("Wirless device /proc/net/wireless not found\nEnable radio networking and recompile your kernel\n"); - exit (0); - } + + if (err < 0) { + mode = MODE_NO_CARD; + } + +draw: + /* + * Print channel information, and signal ratio + */ + switch (mode) { + case MODE_HAVE_CARD: + BlitString("Quality", 4, 4); + if (link <= 10) { + DrawRedDot(); + } else if (link <= 20) { + DrawYellowDot(); + } else { + DrawGreenDot(); + }; + BlitString("Quality ", 4, 18); + DrawBar(min((int)(link * 1.8), 100.0), 4, 27); + BlitString("Signal ", 4, 32); + DrawGreenBar(min((int)(level * 0.3), 100.0), 4, 41); + BlitString("Noise ", 4, 46); + DrawGreenBar(min((int)(noise * 0.3), 100.0), 4, 55); + break; + case MODE_NO_CARD: + default: + BlitString("NO CARD", 4, 4); + DrawEmptyDot(); + BlitString(" ", 4, 18); + DrawBar(0.0, 4, 27); + BlitString(" ", 4, 32); + DrawGreenBar(0.0, 4, 41); + BlitString(" ", 4, 46); + DrawGreenBar(0.0, 4, 55); + break; + }; + close(s); } /* SIGCHLD handler */ @@ -208,6 +275,11 @@ int main(int argc, char *argv[]) { if (*arg=='-') { switch (arg[1]) { + case 'i': + if (argc > (i + 1)) { + iface = argv[i+1]; + } + break; case 'd' : if (strcmp(arg+1, "display")) { usage(); @@ -345,6 +417,7 @@ void usage(void) { fprintf(stderr, "\nWmwave - Carsten Schuermann http://www.schuermann.org/~dockapps\n\n"); fprintf(stderr, "usage:\n"); fprintf(stderr, " -display \n"); + fprintf(stderr, " -i interface to use (default to wi0)\n"); fprintf(stderr, " -r update rate in milliseconds (default:100)\n"); fprintf(stderr, "\n"); }