mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 07:29:42 +00:00
ccc0d27da0
On the same commit the src have been uncrustified and some typo fixes as well as includes missing.
107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 2002-2003, Adam Dunkels.
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* This file is part of the uIP TCP/IP stack.
|
|
*
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* uIP DNS resolver code header file.
|
|
* \author Adam Dunkels <adam@dunkels.com>
|
|
*/
|
|
|
|
#ifndef RESOLV_H_
|
|
#define RESOLV_H_
|
|
|
|
#include "contiki.h"
|
|
#include "uip.h"
|
|
|
|
/** If RESOLV_CONF_SUPPORTS_MDNS is set, then queries
|
|
* for domain names in the `local` TLD will use MDNS and
|
|
* will respond to MDNS queries for this device's hostname,
|
|
* as described by draft-cheshire-dnsext-multicastdns.
|
|
*/
|
|
#ifndef RESOLV_CONF_SUPPORTS_MDNS
|
|
#define RESOLV_CONF_SUPPORTS_MDNS (1)
|
|
#endif
|
|
|
|
/**
|
|
* Event that is broadcasted when a DNS name has been resolved.
|
|
*/
|
|
CCIF extern process_event_t resolv_event_found;
|
|
|
|
enum {
|
|
/** Hostname is fresh and usable. This response is cached and will eventually
|
|
* expire to RESOLV_STATUS_EXPIRED.*/
|
|
RESOLV_STATUS_CACHED = 0,
|
|
|
|
/** Hostname was not found in the cache. Use resolv_query() to look it up. */
|
|
RESOLV_STATUS_UNCACHED,
|
|
|
|
/** Hostname was found, but it's status has expired. The address returned
|
|
* should not be used. Use resolv_query() to freshen it up.
|
|
*/
|
|
RESOLV_STATUS_EXPIRED,
|
|
|
|
/** The server has returned a not-found response for this domain name.
|
|
* This response is cached for the period described in the server.
|
|
* You may issue a new query at any time using resolv_query(), but
|
|
* you will generally want to wait until this domain's status becomes
|
|
* RESOLV_STATUS_EXPIRED.
|
|
*/
|
|
RESOLV_STATUS_NOT_FOUND,
|
|
|
|
/** This hostname is in the process of being resolved. Try again soon. */
|
|
RESOLV_STATUS_RESOLVING,
|
|
|
|
/** Some sort of server error was encountered while trying to look up this
|
|
* record. This response is cached and will eventually expire to
|
|
* RESOLV_STATUS_EXPIRED.
|
|
*/
|
|
RESOLV_STATUS_ERROR,
|
|
};
|
|
|
|
typedef uint8_t resolv_status_t;
|
|
|
|
/* Functions. */
|
|
CCIF resolv_status_t resolv_lookup(const char *name, uip_ipaddr_t ** ipaddr);
|
|
|
|
CCIF void resolv_query(const char *name);
|
|
|
|
#if RESOLV_CONF_SUPPORTS_MDNS
|
|
CCIF void resolv_set_hostname(const char *hostname);
|
|
|
|
CCIF const char *resolv_get_hostname(void);
|
|
#endif
|
|
|
|
PROCESS_NAME(resolv_process);
|
|
|
|
#endif /* RESOLV_H_ */
|