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/* Copyright (C) 2016 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/>.
*/
#include <assert.h>
#include "knot/query/capture.h"
static int reset(knot_layer_t *ctx)
{
return KNOT_STATE_PRODUCE;
}
static int finish(knot_layer_t *ctx)
{
return KNOT_STATE_NOOP;
}
static int begin(knot_layer_t *ctx, void *module_param)
{
ctx->data = module_param; /* struct capture_param */
return reset(ctx);
}
static int prepare_query(knot_layer_t *ctx, knot_pkt_t *pkt)
{
return KNOT_STATE_CONSUME;
}
static int capture(knot_layer_t *ctx, knot_pkt_t *pkt)
{
assert(pkt && ctx && ctx->data);
struct capture_param *param = ctx->data;
knot_pkt_copy(param->sink, pkt);
return KNOT_STATE_DONE;
}
const knot_layer_api_t *query_capture_api(void)
{
static const knot_layer_api_t API = {
.begin = begin,
.reset = reset,
.finish = finish,
.consume = capture,
.produce = prepare_query,
};
return &API;
}
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