59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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* Copyright (C) 2011-2012 Reto Guadagnini
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup resolver_t resolver
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* @{ @ingroup resolver
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*/
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#ifndef RESOLVER_H_
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#define RESOLVER_H_
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typedef struct resolver_t resolver_t;
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/**
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* Constructor function which creates DNS resolver instances.
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*/
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typedef resolver_t* (*resolver_constructor_t)(void);
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#include <resolver/resolver_response.h>
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#include <resolver/rr_set.h>
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#include <resolver/rr.h>
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/**
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* Interface of a security-aware DNS resolver.
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*
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*/
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struct resolver_t {
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/**
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* Perform a DNS query.
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*
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* @param domain domain (FQDN) to query
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* @param rr_class class of the desired RRs
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* @param rr_type type of the desired RRs
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* @return response to the query, NULL on failure
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*/
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resolver_response_t *(*query)(resolver_t *this, char *domain,
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rr_class_t rr_class, rr_type_t rr_type);
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/**
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* Destroy the resolver instance.
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*/
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void (*destroy)(resolver_t *this);
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};
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#endif /** RESOLVER_H_ @}*/
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