improve wificonf watchdog for client mode (should be somewhat reliable now)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2654 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/wificonf/wificonf.c b/package/wificonf/wificonf.c
index a93bba3..60ffd90 100644 (file)
--- a/package/wificonf/wificonf.c
+++ b/package/wificonf/wificonf.c
@@ -395,7 +395,7 @@ void start_watchdog(int skfd, char *ifname)
        FILE *f;
        char *v, *next;
        unsigned char buf[8192], buf2[8192], wbuf[80], *p, *tmp;
-       int wds = 0, i, restart_wds;
+       int wds = 0, i, j, restart_wds;
 
        if (fork())
                return;
@@ -415,11 +415,41 @@ void start_watchdog(int skfd, char *ifname)
                }
        }
        v = nvram_safe_get(wl_var("ssid"));
+       ssid.SSID_len = strlen(v);
+       strncpy(ssid.SSID, v, 32);
        
        for (;;) {
                sleep(5);
-               if (bcom_ioctl(skfd, ifname, WLC_GET_BSSID, buf, 6) < 0)
-                       bcom_ioctl(skfd, ifname, WLC_SET_SSID, v, strlen(v));
+
+               /* client mode */
+               bcom_ioctl(skfd, ifname, WLC_GET_AP, &i, sizeof(i));
+               if (!i) {
+                       i = 0;
+                       if (bcom_ioctl(skfd, ifname, WLC_GET_BSSID, buf, 6) < 0) 
+                               i = 1;
+                       memcpy(buf + 6, "\x00\x00\x00\x00\x00\x00", 6);
+                       if (memcmp(buf, buf + 6, 6) == 0)
+                               i = 1;
+                       
+                       memset(buf, 0, 8192);
+                       strcpy(buf, "sta_info");
+                       bcom_ioctl(skfd, ifname, WLC_GET_BSSID, buf + strlen(buf) + 1, 6);
+                       if (bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, 8192) < 0) {
+                               i = 1;
+                       } else {
+                               sta_info_t *sta = (sta_info_t *) (buf + 4);
+                               if ((sta->flags & 0x18) != 0x18) 
+                                       i = 1;
+                               if (sta->idle > 20)
+                                       i = 1;
+                       }
+                       
+                       if (i) 
+                               bcom_ioctl(skfd, ifname, WLC_SET_SSID, &ssid, sizeof(ssid));
+               }
+
+               
+               /* wds */
                p = buf2;
                restart_wds = 0;
                for (i = 0; i < wds; i++) {