76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
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/**
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* \addtogroup resolv
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* @{
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*/
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/**
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* \file
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* DNS resolver code header file.
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* \author Adam Dunkels <adam@dunkels.com>
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*/
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/*
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* Copyright (c) 2002-2003, Adam Dunkels.
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* All rights reserved.
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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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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: resolv.h,v 1.4 2006/06/11 21:46:37 adam Exp $
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*
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*/
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#ifndef __RESOLV_H__
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#define __RESOLV_H__
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typedef int uip_udp_appstate_t;
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void resolv_appcall(void);
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#define UIP_UDP_APPCALL resolv_appcall
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#include "uipopt.h"
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/**
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* Callback function which is called when a hostname is found.
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*
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* This function must be implemented by the module that uses the DNS
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* resolver. It is called when a hostname is found, or when a hostname
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* was not found.
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*
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* \param name A pointer to the name that was looked up. \param
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* ipaddr A pointer to a 4-byte array containing the IP address of the
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* hostname, or NULL if the hostname could not be found.
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*/
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void resolv_found(char *name, u16_t *ipaddr);
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/* Functions. */
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void resolv_conf(u16_t *dnsserver);
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u16_t *resolv_getserver(void);
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void resolv_init(void);
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u16_t *resolv_lookup(char *name);
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void resolv_query(char *name);
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#endif /* __RESOLV_H__ */
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/** @} */
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