/** * lwip MDNS resolver header file. * * Created on: Jul 29, 2010 * Author: Daniel Toma * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __LWIP_MDNS_H__ #define __LWIP_MDNS_H__ #include "lwip/opt.h" #if LWIP_MDNS /* don't build if not configured for use in lwipopts.h */ /** DNS timer period */ #define DNS_TMR_INTERVAL 1000 /** mDNS Address offset flag*/ #define DNS_OFFSET_FLAG 0xC0 /* the offset flag in the DNS message */ #define DNS_DEFAULT_OFFSET 0x0C /* the offset is set at the beginning of the DNS message */ #define DNS_IP_ADDR_LEN 4 /** DNS field TYPE used for "Resource Records" */ #define DNS_RRTYPE_A 1 /* a host address */ #define DNS_RRTYPE_NS 2 /* an authoritative name server */ #define DNS_RRTYPE_MD 3 /* a mail destination (Obsolete - use MX) */ #define DNS_RRTYPE_MF 4 /* a mail forwarder (Obsolete - use MX) */ #define DNS_RRTYPE_CNAME 5 /* the canonical name for an alias */ #define DNS_RRTYPE_SOA 6 /* marks the start of a zone of authority */ #define DNS_RRTYPE_MB 7 /* a mailbox domain name (EXPERIMENTAL) */ #define DNS_RRTYPE_MG 8 /* a mail group member (EXPERIMENTAL) */ #define DNS_RRTYPE_MR 9 /* a mail rename domain name (EXPERIMENTAL) */ #define DNS_RRTYPE_NULL 10 /* a null RR (EXPERIMENTAL) */ #define DNS_RRTYPE_WKS 11 /* a well known service description */ #define DNS_RRTYPE_PTR 12 /* a domain name pointer */ #define DNS_RRTYPE_HINFO 13 /* host information */ #define DNS_RRTYPE_MINFO 14 /* mailbox or mail list information */ #define DNS_RRTYPE_MX 15 /* mail exchange */ #define DNS_RRTYPE_TXT 16 /* text strings */ #define DNS_RRTYPE_SRV 33 /* Service record */ #define DNS_RRTYPE_OPT 41 /* EDNS0 OPT record */ #define DNS_RRTYPE_TSIG 250 /* Transaction Signature */ #define DNS_RRTYPE_ANY 255 /*Not a DNS type, but a DNS query type, meaning "all types"*/ /* DNS field CLASS used for "Resource Records" */ #define DNS_RRCLASS_IN 1 /* the Internet */ #define DNS_RRCLASS_CS 2 /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */ #define DNS_RRCLASS_CH 3 /* the CHAOS class */ #define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */ #define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */ #define DNS_RRCLASS_FLUSH_IN 0x8001/* Flush bit and Internet*/ /** Callback which is invoked when a hostname is found. * A function of this type must be implemented by the application using the DNS resolver. * @param name pointer to the name that was looked up. * @param ipaddr pointer to a struct ip_addr containing the IP address of the hostname, * or NULL if the name could not be found (or on any other error). * @param callback_arg a user-specified callback argument passed to dns_gethostbyname */ #ifndef _MDNS_INFO #define _MDNS_INFO struct mdns_info { char *host_name; char *server_name; uint16 server_port; unsigned long ipAddr; char *txt_data[10]; }; #endif //void mdns_enable(void); //void mdns_disable(void); //void mdns_init(struct mdns_info *info); //void mdns_close(void); //char* mdns_get_hostname(void); //void mdns_set_hostname(char *name); //void mdns_set_servername(const char *name); //char* mdns_get_servername(void); //void mdns_server_unregister(void); //void mdns_server_register(void) ; //void mdns_tmr(void); //void Delay(unsigned long ulSeconds); #endif /* LWIP_DNS */ #endif /* __LWIP_DNS_H__ */