1*10465441SEvalZero /** 2*10465441SEvalZero * @file 3*10465441SEvalZero * MDNS responder 4*10465441SEvalZero */ 5*10465441SEvalZero 6*10465441SEvalZero /* 7*10465441SEvalZero * Copyright (c) 2015 Verisure Innovation AB 8*10465441SEvalZero * All rights reserved. 9*10465441SEvalZero * 10*10465441SEvalZero * Redistribution and use in source and binary forms, with or without modification, 11*10465441SEvalZero * are permitted provided that the following conditions are met: 12*10465441SEvalZero * 13*10465441SEvalZero * 1. Redistributions of source code must retain the above copyright notice, 14*10465441SEvalZero * this list of conditions and the following disclaimer. 15*10465441SEvalZero * 2. Redistributions in binary form must reproduce the above copyright notice, 16*10465441SEvalZero * this list of conditions and the following disclaimer in the documentation 17*10465441SEvalZero * and/or other materials provided with the distribution. 18*10465441SEvalZero * 3. The name of the author may not be used to endorse or promote products 19*10465441SEvalZero * derived from this software without specific prior written permission. 20*10465441SEvalZero * 21*10465441SEvalZero * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22*10465441SEvalZero * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23*10465441SEvalZero * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24*10465441SEvalZero * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*10465441SEvalZero * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26*10465441SEvalZero * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27*10465441SEvalZero * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28*10465441SEvalZero * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29*10465441SEvalZero * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30*10465441SEvalZero * OF SUCH DAMAGE. 31*10465441SEvalZero * 32*10465441SEvalZero * This file is part of the lwIP TCP/IP stack. 33*10465441SEvalZero * 34*10465441SEvalZero * Author: Erik Ekman <[email protected]> 35*10465441SEvalZero * 36*10465441SEvalZero */ 37*10465441SEvalZero 38*10465441SEvalZero #ifndef LWIP_HDR_APPS_MDNS_H 39*10465441SEvalZero #define LWIP_HDR_APPS_MDNS_H 40*10465441SEvalZero 41*10465441SEvalZero #include "lwip/apps/mdns_opts.h" 42*10465441SEvalZero #include "lwip/netif.h" 43*10465441SEvalZero 44*10465441SEvalZero #ifdef __cplusplus 45*10465441SEvalZero extern "C" { 46*10465441SEvalZero #endif 47*10465441SEvalZero 48*10465441SEvalZero #if LWIP_MDNS_RESPONDER 49*10465441SEvalZero 50*10465441SEvalZero enum mdns_sd_proto { 51*10465441SEvalZero DNSSD_PROTO_UDP = 0, 52*10465441SEvalZero DNSSD_PROTO_TCP = 1 53*10465441SEvalZero }; 54*10465441SEvalZero 55*10465441SEvalZero #define MDNS_PROBING_CONFLICT 0 56*10465441SEvalZero #define MDNS_PROBING_SUCCESSFUL 1 57*10465441SEvalZero 58*10465441SEvalZero #define MDNS_LABEL_MAXLEN 63 59*10465441SEvalZero 60*10465441SEvalZero struct mdns_host; 61*10465441SEvalZero struct mdns_service; 62*10465441SEvalZero 63*10465441SEvalZero /** Callback function to add text to a reply, called when generating the reply */ 64*10465441SEvalZero typedef void (*service_get_txt_fn_t)(struct mdns_service *service, void *txt_userdata); 65*10465441SEvalZero 66*10465441SEvalZero /** Callback function to let application know the result of probing network for name 67*10465441SEvalZero * uniqueness, called with result MDNS_PROBING_SUCCESSFUL if no other node claimed 68*10465441SEvalZero * use for the name for the netif or a service and is safe to use, or MDNS_PROBING_CONFLICT 69*10465441SEvalZero * if another node is already using it and mdns is disabled on this interface */ 70*10465441SEvalZero typedef void (*mdns_name_result_cb_t)(struct netif* netif, u8_t result); 71*10465441SEvalZero 72*10465441SEvalZero void mdns_resp_init(void); 73*10465441SEvalZero 74*10465441SEvalZero void mdns_resp_register_name_result_cb(mdns_name_result_cb_t cb); 75*10465441SEvalZero 76*10465441SEvalZero err_t mdns_resp_add_netif(struct netif *netif, const char *hostname, u32_t dns_ttl); 77*10465441SEvalZero err_t mdns_resp_remove_netif(struct netif *netif); 78*10465441SEvalZero err_t mdns_resp_rename_netif(struct netif *netif, const char *hostname); 79*10465441SEvalZero 80*10465441SEvalZero s8_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); 81*10465441SEvalZero err_t mdns_resp_del_service(struct netif *netif, s8_t slot); 82*10465441SEvalZero err_t mdns_resp_rename_service(struct netif *netif, s8_t slot, const char *name); 83*10465441SEvalZero 84*10465441SEvalZero err_t mdns_resp_add_service_txtitem(struct mdns_service *service, const char *txt, u8_t txt_len); 85*10465441SEvalZero 86*10465441SEvalZero void mdns_resp_restart(struct netif *netif); 87*10465441SEvalZero void mdns_resp_announce(struct netif *netif); 88*10465441SEvalZero 89*10465441SEvalZero /** 90*10465441SEvalZero * @ingroup mdns 91*10465441SEvalZero * Announce IP settings have changed on netif. 92*10465441SEvalZero * Call this in your callback registered by netif_set_status_callback(). 93*10465441SEvalZero * No need to call this function when LWIP_NETIF_EXT_STATUS_CALLBACK==1, 94*10465441SEvalZero * this handled automatically for you. 95*10465441SEvalZero * @param netif The network interface where settings have changed. 96*10465441SEvalZero */ 97*10465441SEvalZero #define mdns_resp_netif_settings_changed(netif) mdns_resp_announce(netif) 98*10465441SEvalZero 99*10465441SEvalZero #endif /* LWIP_MDNS_RESPONDER */ 100*10465441SEvalZero 101*10465441SEvalZero #ifdef __cplusplus 102*10465441SEvalZero } 103*10465441SEvalZero #endif 104*10465441SEvalZero 105*10465441SEvalZero #endif /* LWIP_HDR_APPS_MDNS_H */ 106