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/*
* Author Jerry Lundström <jerry@dns-oarc.net>
* Copyright (c) 2019, OARC, Inc.
* All rights reserved.
*
* This file is part of the dnswire library.
*
* dnswire library 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 3 of the License, or
* (at your option) any later version.
*
* dnswire library 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 dnswire library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <dnswire/dnswire.h>
#include <dnswire/dnstap.h>
#include <tinyframe/tinyframe.h>
#ifndef __dnswire_h_encoder
#define __dnswire_h_encoder 1
enum dnswire_encoder_state {
dnswire_encoder_control_ready = 0,
dnswire_encoder_control_start = 1,
dnswire_encoder_control_accept = 2,
dnswire_encoder_control_finish = 3,
dnswire_encoder_frames = 4,
dnswire_encoder_control_stop = 5,
dnswire_encoder_done = 6,
};
extern const char* const dnswire_encoder_state_string[];
struct dnswire_encoder {
enum dnswire_encoder_state state;
struct tinyframe_writer writer;
const struct dnstap* dnstap;
};
#define DNSWIRE_ENCODER_INITIALIZER \
{ \
.state = dnswire_encoder_control_start, \
.writer = TINYFRAME_WRITER_INITIALIZER, \
.dnstap = 0, \
}
#define dnswire_encoder_set_dnstap(e, d) (e).dnstap = d
#define dnswire_encoder_encoded(e) (e).writer.bytes_wrote
enum dnswire_result dnswire_encoder_encode(struct dnswire_encoder*, uint8_t*, size_t);
enum dnswire_result dnswire_encoder_stop(struct dnswire_encoder*);
#endif
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