/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #pragma once /*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include "hashmap.h" typedef struct DnsZone { Hashmap *by_key; Hashmap *by_name; } DnsZone; typedef struct DnsZoneItem DnsZoneItem; typedef enum DnsZoneItemState DnsZoneItemState; #include "resolved-dns-rr.h" #include "resolved-dns-question.h" #include "resolved-dns-answer.h" #include "resolved-dns-transaction.h" /* RFC 4795 Section 2.8. suggests a TTL of 30s by default */ #define LLMNR_DEFAULT_TTL (30) enum DnsZoneItemState { DNS_ZONE_ITEM_PROBING, DNS_ZONE_ITEM_ESTABLISHED, DNS_ZONE_ITEM_VERIFYING, DNS_ZONE_ITEM_WITHDRAWN, }; struct DnsZoneItem { DnsScope *scope; DnsResourceRecord *rr; DnsZoneItemState state; unsigned block_ready; bool probing_enabled; LIST_FIELDS(DnsZoneItem, by_key); LIST_FIELDS(DnsZoneItem, by_name); DnsTransaction *probe_transaction; }; void dns_zone_flush(DnsZone *z); int dns_zone_put(DnsZone *z, DnsScope *s, DnsResourceRecord *rr, bool probe); void dns_zone_remove_rr(DnsZone *z, DnsResourceRecord *rr); int dns_zone_lookup(DnsZone *z, DnsQuestion *q, DnsAnswer **answer, DnsAnswer **soa, bool *tentative); void dns_zone_item_conflict(DnsZoneItem *i); void dns_zone_item_ready(DnsZoneItem *i); int dns_zone_check_conflicts(DnsZone *zone, DnsResourceRecord *rr); int dns_zone_verify_conflicts(DnsZone *zone, DnsResourceKey *key); void dns_zone_verify_all(DnsZone *zone); void dns_zone_item_probe_stop(DnsZoneItem *i);