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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "hashmap.h"
#include "list.h"
#include "prioq.h"
#include "resolve-util.h"
#include "resolved-dns-dnssec.h"
#include "time-util.h"
typedef struct DnsCache {
Hashmap *by_key;
Prioq *by_expiry;
unsigned n_hit;
unsigned n_miss;
} DnsCache;
#include "resolved-dns-answer.h"
#include "resolved-dns-packet.h"
#include "resolved-dns-question.h"
#include "resolved-dns-rr.h"
void dns_cache_flush(DnsCache *c);
void dns_cache_prune(DnsCache *c);
int dns_cache_put(
DnsCache *c,
DnsCacheMode cache_mode,
DnsProtocol protocol,
DnsResourceKey *key,
int rcode,
DnsAnswer *answer,
DnsPacket *full_packet,
uint64_t query_flags,
DnssecResult dnssec_result,
uint32_t nsec_ttl,
int owner_family,
const union in_addr_union *owner_address,
usec_t stale_retention_usec);
int dns_cache_lookup(
DnsCache *c,
DnsResourceKey *key,
uint64_t query_flags,
int *ret_rcode,
DnsAnswer **ret_answer,
DnsPacket **ret_full_packet,
uint64_t *ret_query_flags,
DnssecResult *ret_dnssec_result);
int dns_cache_check_conflicts(DnsCache *cache, DnsResourceRecord *rr, int owner_family, const union in_addr_union *owner_address);
void dns_cache_dump(DnsCache *cache, FILE *f);
int dns_cache_dump_to_json(DnsCache *cache, sd_json_variant **ret);
bool dns_cache_is_empty(DnsCache *cache);
unsigned dns_cache_size(DnsCache *cache);
int dns_cache_export_shared_to_packet(DnsCache *cache, DnsPacket *p, usec_t ts, unsigned max_rr);
bool dns_cache_expiry_in_one_second(DnsCache *c, usec_t t);
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