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/* Copyright (C) 2014-2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "lib/layer.h"
#include "lib/rplan.h"
/* Packet classification. */
enum {
PKT_NOERROR = 1 << 0, /* Positive response */
PKT_NODATA = 1 << 1, /* No data response */
PKT_NXDOMAIN = 1 << 2, /* Negative response */
PKT_REFUSED = 1 << 3, /* Refused response */
PKT_ERROR = 1 << 4 /* Bad message */
};
/** Classify response by type. */
int kr_response_classify(const knot_pkt_t *pkt);
/** Make next iterative query. */
KR_EXPORT
int kr_make_query(struct kr_query *query, knot_pkt_t *pkt);
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