diff options
Diffstat (limited to 'src/resolve/resolved-dns-cache.h')
-rw-r--r-- | src/resolve/resolved-dns-cache.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-cache.h b/src/resolve/resolved-dns-cache.h new file mode 100644 index 0000000..48a3bde --- /dev/null +++ b/src/resolve/resolved-dns-cache.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +#pragma once + +#include "hashmap.h" +#include "list.h" +#include "prioq.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, DnsResourceKey *key, int rcode, DnsAnswer *answer, bool authenticated, uint32_t nsec_ttl, usec_t timestamp, int owner_family, const union in_addr_union *owner_address); +int dns_cache_lookup(DnsCache *c, DnsResourceKey *key, bool clamp_ttl, int *rcode, DnsAnswer **answer, bool *authenticated); + +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); +bool dns_cache_is_empty(DnsCache *cache); + +unsigned dns_cache_size(DnsCache *cache); + +int dns_cache_export_shared_to_packet(DnsCache *cache, DnsPacket *p); |