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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/resolve/resolved-dns-cache.h
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/resolve/resolved-dns-cache.h')
-rw-r--r--src/resolve/resolved-dns-cache.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-cache.h b/src/resolve/resolved-dns-cache.h
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+++ b/src/resolve/resolved-dns-cache.h
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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, JsonVariant **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);