My fork of the HTTPServer (working)
Core/lwIP/include/lwip/dns.h@0:7a64fbb4069d, 2012-08-06 (annotated)
- Committer:
- screamer
- Date:
- Mon Aug 06 09:23:14 2012 +0000
- Revision:
- 0:7a64fbb4069d
[mbed] converted /DGWWebServer/HTTPServer
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
screamer | 0:7a64fbb4069d | 1 | /** |
screamer | 0:7a64fbb4069d | 2 | * lwip DNS resolver header file. |
screamer | 0:7a64fbb4069d | 3 | |
screamer | 0:7a64fbb4069d | 4 | * Author: Jim Pettinato |
screamer | 0:7a64fbb4069d | 5 | * April 2007 |
screamer | 0:7a64fbb4069d | 6 | |
screamer | 0:7a64fbb4069d | 7 | * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels. |
screamer | 0:7a64fbb4069d | 8 | * |
screamer | 0:7a64fbb4069d | 9 | * Redistribution and use in source and binary forms, with or without |
screamer | 0:7a64fbb4069d | 10 | * modification, are permitted provided that the following conditions |
screamer | 0:7a64fbb4069d | 11 | * are met: |
screamer | 0:7a64fbb4069d | 12 | * 1. Redistributions of source code must retain the above copyright |
screamer | 0:7a64fbb4069d | 13 | * notice, this list of conditions and the following disclaimer. |
screamer | 0:7a64fbb4069d | 14 | * 2. Redistributions in binary form must reproduce the above copyright |
screamer | 0:7a64fbb4069d | 15 | * notice, this list of conditions and the following disclaimer in the |
screamer | 0:7a64fbb4069d | 16 | * documentation and/or other materials provided with the distribution. |
screamer | 0:7a64fbb4069d | 17 | * 3. The name of the author may not be used to endorse or promote |
screamer | 0:7a64fbb4069d | 18 | * products derived from this software without specific prior |
screamer | 0:7a64fbb4069d | 19 | * written permission. |
screamer | 0:7a64fbb4069d | 20 | * |
screamer | 0:7a64fbb4069d | 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
screamer | 0:7a64fbb4069d | 22 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
screamer | 0:7a64fbb4069d | 23 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
screamer | 0:7a64fbb4069d | 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
screamer | 0:7a64fbb4069d | 25 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
screamer | 0:7a64fbb4069d | 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
screamer | 0:7a64fbb4069d | 27 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
screamer | 0:7a64fbb4069d | 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
screamer | 0:7a64fbb4069d | 29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
screamer | 0:7a64fbb4069d | 30 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
screamer | 0:7a64fbb4069d | 31 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
screamer | 0:7a64fbb4069d | 32 | */ |
screamer | 0:7a64fbb4069d | 33 | |
screamer | 0:7a64fbb4069d | 34 | #ifndef __LWIP_DNS_H__ |
screamer | 0:7a64fbb4069d | 35 | #define __LWIP_DNS_H__ |
screamer | 0:7a64fbb4069d | 36 | |
screamer | 0:7a64fbb4069d | 37 | #include "lwip/opt.h" |
screamer | 0:7a64fbb4069d | 38 | #include "lwip/err.h" |
screamer | 0:7a64fbb4069d | 39 | |
screamer | 0:7a64fbb4069d | 40 | #if LWIP_DNS /* don't build if not configured for use in lwipopts.h */ |
screamer | 0:7a64fbb4069d | 41 | |
screamer | 0:7a64fbb4069d | 42 | #ifdef __cplusplus |
screamer | 0:7a64fbb4069d | 43 | extern "C" { |
screamer | 0:7a64fbb4069d | 44 | #endif |
screamer | 0:7a64fbb4069d | 45 | |
screamer | 0:7a64fbb4069d | 46 | /** DNS timer period */ |
screamer | 0:7a64fbb4069d | 47 | #define DNS_TMR_INTERVAL 1000 |
screamer | 0:7a64fbb4069d | 48 | |
screamer | 0:7a64fbb4069d | 49 | /** DNS field TYPE used for "Resource Records" */ |
screamer | 0:7a64fbb4069d | 50 | #define DNS_RRTYPE_A 1 /* a host address */ |
screamer | 0:7a64fbb4069d | 51 | #define DNS_RRTYPE_NS 2 /* an authoritative name server */ |
screamer | 0:7a64fbb4069d | 52 | #define DNS_RRTYPE_MD 3 /* a mail destination (Obsolete - use MX) */ |
screamer | 0:7a64fbb4069d | 53 | #define DNS_RRTYPE_MF 4 /* a mail forwarder (Obsolete - use MX) */ |
screamer | 0:7a64fbb4069d | 54 | #define DNS_RRTYPE_CNAME 5 /* the canonical name for an alias */ |
screamer | 0:7a64fbb4069d | 55 | #define DNS_RRTYPE_SOA 6 /* marks the start of a zone of authority */ |
screamer | 0:7a64fbb4069d | 56 | #define DNS_RRTYPE_MB 7 /* a mailbox domain name (EXPERIMENTAL) */ |
screamer | 0:7a64fbb4069d | 57 | #define DNS_RRTYPE_MG 8 /* a mail group member (EXPERIMENTAL) */ |
screamer | 0:7a64fbb4069d | 58 | #define DNS_RRTYPE_MR 9 /* a mail rename domain name (EXPERIMENTAL) */ |
screamer | 0:7a64fbb4069d | 59 | #define DNS_RRTYPE_NULL 10 /* a null RR (EXPERIMENTAL) */ |
screamer | 0:7a64fbb4069d | 60 | #define DNS_RRTYPE_WKS 11 /* a well known service description */ |
screamer | 0:7a64fbb4069d | 61 | #define DNS_RRTYPE_PTR 12 /* a domain name pointer */ |
screamer | 0:7a64fbb4069d | 62 | #define DNS_RRTYPE_HINFO 13 /* host information */ |
screamer | 0:7a64fbb4069d | 63 | #define DNS_RRTYPE_MINFO 14 /* mailbox or mail list information */ |
screamer | 0:7a64fbb4069d | 64 | #define DNS_RRTYPE_MX 15 /* mail exchange */ |
screamer | 0:7a64fbb4069d | 65 | #define DNS_RRTYPE_TXT 16 /* text strings */ |
screamer | 0:7a64fbb4069d | 66 | |
screamer | 0:7a64fbb4069d | 67 | /** DNS field CLASS used for "Resource Records" */ |
screamer | 0:7a64fbb4069d | 68 | #define DNS_RRCLASS_IN 1 /* the Internet */ |
screamer | 0:7a64fbb4069d | 69 | #define DNS_RRCLASS_CS 2 /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */ |
screamer | 0:7a64fbb4069d | 70 | #define DNS_RRCLASS_CH 3 /* the CHAOS class */ |
screamer | 0:7a64fbb4069d | 71 | #define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */ |
screamer | 0:7a64fbb4069d | 72 | #define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */ |
screamer | 0:7a64fbb4069d | 73 | |
screamer | 0:7a64fbb4069d | 74 | /** Callback which is invoked when a hostname is found. |
screamer | 0:7a64fbb4069d | 75 | * A function of this type must be implemented by the application using the DNS resolver. |
screamer | 0:7a64fbb4069d | 76 | * @param name pointer to the name that was looked up. |
screamer | 0:7a64fbb4069d | 77 | * @param ipaddr pointer to a struct ip_addr containing the IP address of the hostname, |
screamer | 0:7a64fbb4069d | 78 | * or NULL if the name could not be found (or on any other error). |
screamer | 0:7a64fbb4069d | 79 | * @param callback_arg a user-specified callback argument passed to dns_gethostbyname |
screamer | 0:7a64fbb4069d | 80 | */ |
screamer | 0:7a64fbb4069d | 81 | typedef void (*dns_found_callback)(const char *name, struct ip_addr *ipaddr, void *callback_arg); |
screamer | 0:7a64fbb4069d | 82 | |
screamer | 0:7a64fbb4069d | 83 | |
screamer | 0:7a64fbb4069d | 84 | void dns_init(void); |
screamer | 0:7a64fbb4069d | 85 | |
screamer | 0:7a64fbb4069d | 86 | void dns_tmr(void); |
screamer | 0:7a64fbb4069d | 87 | |
screamer | 0:7a64fbb4069d | 88 | void dns_setserver(u8_t numdns, struct ip_addr *dnsserver); |
screamer | 0:7a64fbb4069d | 89 | |
screamer | 0:7a64fbb4069d | 90 | struct ip_addr dns_getserver(u8_t numdns); |
screamer | 0:7a64fbb4069d | 91 | |
screamer | 0:7a64fbb4069d | 92 | err_t dns_gethostbyname(const char *hostname, struct ip_addr *addr, |
screamer | 0:7a64fbb4069d | 93 | dns_found_callback found, void *callback_arg); |
screamer | 0:7a64fbb4069d | 94 | |
screamer | 0:7a64fbb4069d | 95 | #if DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC |
screamer | 0:7a64fbb4069d | 96 | int dns_local_removehostname(const char *hostname); |
screamer | 0:7a64fbb4069d | 97 | int dns_local_removehostaddr(const struct ip_addr *addr); |
screamer | 0:7a64fbb4069d | 98 | err_t dns_local_addhost(const char *hostname, const struct ip_addr *addr); |
screamer | 0:7a64fbb4069d | 99 | #endif /* DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ |
screamer | 0:7a64fbb4069d | 100 | |
screamer | 0:7a64fbb4069d | 101 | #ifdef __cplusplus |
screamer | 0:7a64fbb4069d | 102 | } |
screamer | 0:7a64fbb4069d | 103 | #endif |
screamer | 0:7a64fbb4069d | 104 | |
screamer | 0:7a64fbb4069d | 105 | #endif /* LWIP_DNS */ |
screamer | 0:7a64fbb4069d | 106 | |
screamer | 0:7a64fbb4069d | 107 | #endif /* __LWIP_DNS_H__ */ |