2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #include <sys/types.h>
18 #include <libubox/uloop.h>
25 #include "interface.h"
27 #define TTL_TIMEOUT 75
38 int announce_ttl = 75 * 60;
41 announce_timer(struct uloop_timeout *timeout)
43 struct interface *iface = container_of(timeout, struct interface, announce_timer);
46 snprintf(host, sizeof(host), "%s.local", hostname);
48 switch (iface->announce_state) {
52 dns_send_question(iface, host, TYPE_ANY);
53 uloop_timeout_set(timeout, 250);
54 iface->announce_state++;
57 case STATE_PROBE_WAIT:
58 uloop_timeout_set(timeout, 500);
59 iface->announce_state++;
63 if (cache_host_is_known(host)) {
64 fprintf(stderr, "the host %s already exists. stopping announce service\n", host);
67 iface->announce_state++;
70 service_announce(iface);
71 uloop_timeout_set(timeout, announce_ttl * 800);
77 announce_init(struct interface *iface)
79 iface->announce_state = STATE_PROBE1;
80 iface->announce_timer.cb = announce_timer;
81 uloop_timeout_set(&iface->announce_timer, 100);
85 announce_free(struct interface *iface)
87 uloop_timeout_cancel(&iface->announce_timer);