/*
* answer.h -- manipulating query answers and encoding them.
*
* Copyright (c) 2001-2006, NLnet Labs. All rights reserved.
*
* See LICENSE for the license.
*
*/

#ifndef ANSWER_H
#define ANSWER_H

#include <sys/types.h>

#include "dns.h"
#include "namedb.h"
#include "packet.h"
#include "query.h"

/*
* Structure used to keep track of RRsets that need to be stored in
* the answer packet.
*/
typedef struct answer answer_type;
struct answer {
       size_t rrset_count;
       rrset_type *rrsets[MAXRRSPP];
       domain_type *domains[MAXRRSPP];
       rr_section_type section[MAXRRSPP];
};


void encode_answer(query_type *q, const answer_type *answer);


void answer_init(answer_type *answer);

/*
* Add the specified RRset to the answer in the specified section.  If
* the RRset is already present and in the same (or "higher") section
* return 0, otherwise return 1.
*/
int answer_add_rrset(answer_type *answer, rr_section_type section,
                    domain_type *domain, rrset_type *rrset);


#endif /* ANSWER_H */