+ assert(m);
+
+ retry2:
+ mib[0] = CTL_NET;
+ mib[1] = PF_ROUTE;
+ mib[2] = 0; /* protocol */
+ mib[3] = 0; /* wildcard address family */
+ mib[4] = NET_RT_IFLIST;
+ mib[5] = 0; /* no flags */
+ if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
+ {
+ avahi_log_error("sysctl failed: %s", strerror(errno));
+ avahi_log_error("route-sysctl-estimate");
+ return;
+ }
+ if ((buf = avahi_malloc(needed)) == NULL)
+ {
+ avahi_log_error("malloc failed in avahi_interface_monitor_sync");
+ return;
+ }
+ if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
+ avahi_log_warn("sysctl failed: %s", strerror(errno));
+ if (errno == ENOMEM && count++ < 10) {
+ avahi_log_warn("Routing table grew, retrying");
+ sleep(1);
+ avahi_free(buf);
+ goto retry2;
+ }
+ }
+ lim = buf + needed;
+ for (next = buf; next < lim; next += rtm->rtm_msglen) {
+ rtm = (struct rt_msghdr *)next;
+ parse_rtmsg(rtm, rtm->rtm_msglen, m);
+ }
+
+ m->list_complete = 1;
+ avahi_interface_monitor_check_relevant(m);
+ avahi_interface_monitor_update_rrs(m, 0);
+ avahi_log_info("Network interface enumeration completed.");