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