From faa133f3aa7a18f26563dc5d6b95898cb315c37a Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 22 Jul 2014 21:48:41 +0200 Subject: resolved: rework logic so that we can share transactions between queries of different clients --- src/resolve/resolved-dns-question.h | 49 +++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/resolve/resolved-dns-question.h (limited to 'src/resolve/resolved-dns-question.h') diff --git a/src/resolve/resolved-dns-question.h b/src/resolve/resolved-dns-question.h new file mode 100644 index 0000000000..7da627fdca --- /dev/null +++ b/src/resolve/resolved-dns-question.h @@ -0,0 +1,49 @@ +/*-*- 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 . +***/ + +typedef struct DnsQuestion DnsQuestion; + +#include "resolved-dns-rr.h" + +/* A simple array of resources keys */ + +struct DnsQuestion { + unsigned n_ref; + unsigned n_keys, n_allocated; + DnsResourceKey* keys[0]; +}; + +DnsQuestion *dns_question_new(unsigned n); +DnsQuestion *dns_question_ref(DnsQuestion *q); +DnsQuestion *dns_question_unref(DnsQuestion *q); + +int dns_question_add(DnsQuestion *q, DnsResourceKey *key); + +int dns_question_matches_rr(DnsQuestion *q, DnsResourceRecord *rr); +int dns_question_matches_cname(DnsQuestion *q, DnsResourceRecord *rr); +int dns_question_is_valid(DnsQuestion *q); +int dns_question_is_superset(DnsQuestion *q, DnsQuestion *other); + +int dns_question_cname_redirect(DnsQuestion *q, const char *name, DnsQuestion **ret); + +DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuestion*, dns_question_unref); -- cgit v1.2.3-54-g00ecf