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