1/**
2 * @file
3 * MDNS responder
4 */
5
6 /*
7 * Copyright (c) 2015 Verisure Innovation AB
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 *    this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 *    this list of conditions and the following disclaimer in the documentation
17 *    and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * This file is part of the lwIP TCP/IP stack.
33 *
34 * Author: Erik Ekman <erik@kryo.se>
35 *
36 */
37#ifndef LWIP_HDR_MDNS_H
38#define LWIP_HDR_MDNS_H
39
40#include "lwip/apps/mdns_opts.h"
41#include "lwip/netif.h"
42
43#if LWIP_MDNS_RESPONDER
44
45enum mdns_sd_proto {
46  DNSSD_PROTO_UDP = 0,
47  DNSSD_PROTO_TCP = 1
48};
49
50#define MDNS_LABEL_MAXLEN  63
51
52struct mdns_host;
53struct mdns_service;
54
55/** Callback function to add text to a reply, called when generating the reply */
56typedef void (*service_get_txt_fn_t)(struct mdns_service *service, void *txt_userdata);
57
58void mdns_resp_init(void);
59
60err_t mdns_resp_add_netif(struct netif *netif, const char *hostname, u32_t dns_ttl);
61err_t mdns_resp_remove_netif(struct netif *netif);
62
63err_t mdns_resp_add_service(struct netif *netif, const char *name, const char *service, enum mdns_sd_proto proto, u16_t port, u32_t dns_ttl, service_get_txt_fn_t txt_fn, void *txt_userdata);
64err_t mdns_resp_add_service_txtitem(struct mdns_service *service, const char *txt, u8_t txt_len);
65void mdns_resp_netif_settings_changed(struct netif *netif);
66
67#endif /* LWIP_MDNS_RESPONDER */
68
69#endif /* LWIP_HDR_MDNS_H */
70