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/*
* Copyright (C) 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 rr_set rr_set
* @{ @ingroup resolver
*/
#ifndef RR_SET_H_
#define RR_SET_H_
typedef struct rr_set_t rr_set_t;
#include <library.h>
#include <collections/enumerator.h>
#include <collections/linked_list.h>
/**
* A set of DNS Resource Records.
*
* Represents a RRset as defined in RFC 2181. This RRset consists of a set of
* Resource Records with the same label, class and type but different data.
*
* The DNSSEC signature Resource Records (RRSIGs) which sign the RRs of this set
* are also part of an object of this type.
*/
struct rr_set_t {
/**
* Create an enumerator over all Resource Records of this RRset.
*
* @note The enumerator's position is invalid before the first call
* to enumerate().
*
* @return enumerator over Resource Records
*/
enumerator_t *(*create_rr_enumerator)(rr_set_t *this);
/**
* Create an enumerator over all RRSIGs of this RRset
*
* @note The enumerator's position is invalid before the first call
* to enumerate().
*
* @return enumerator over RRSIG Resource Records,
* NULL if there are no RRSIGs for this RRset
*/
enumerator_t *(*create_rrsig_enumerator)(rr_set_t *this);
/**
* Destroy this RRset with all its Resource Records.
*/
void (*destroy) (rr_set_t *this);
};
/**
* Create an rr_set instance.
*
* @param list_of_rr list of Resource Records which form this RRset
* @param list_of_rrsig list of the signatures (RRSIGs) of the
* Resource Records of this set
* @return Resource Record set, NULL on failure
*/
rr_set_t *rr_set_create(linked_list_t *list_of_rr,
linked_list_t *list_of_rrsig);
#endif /** RR_SET_H_ @}*/
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