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/* Copyright (C) 2022 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 <time.h>
#include "utils/common/netio.h"
#include "utils/common/params.h"
#include "libknot/libknot.h"
#include "contrib/json.h"
/*!
* \brief Allocates empty packet and sets packet size and random id.
*
* \param max_size Maximal packet size.
*
* \retval packet if success.
* \retval NULL if error.
*/
knot_pkt_t *create_empty_packet(const uint16_t max_size);
/*!
* \brief Prints information header for transfer.
*
* \param packet Parsed packet.
* \param style Style of the output.
*/
void print_header_xfr(const knot_pkt_t *packet, const style_t *style);
/*!
* \brief Prints answer section for 1 transfer message.
*
* \param packet Response packet.
* \param style Style of the output.
*/
void print_data_xfr(const knot_pkt_t *packet, const style_t *style);
/*!
* \brief Prints trailing statistics for transfer.
*
* \param total_len Total reply size (all messages).
* \param msg_count Number of messages.
* \param rr_count Total number of answer records.
* \param net Connection information.
* \param elapsed Total elapsed time.
* \param exec_time Time of the packet creation.
* \param style Style of the output.
*/
void print_footer_xfr(const size_t total_len,
const size_t msg_count,
const size_t rr_count,
const net_t *net,
const float elapsed,
const time_t exec_time,
const style_t *style);
/*!
* \brief Prints initial JSON part of XFR output.
*
* \param query Query packet.
* \param exec_time Time of the packet creation.
* \param style Style of the output.
*
* \retval JSON witter if success.
* \retval NULL if error.
*/
jsonw_t *print_header_xfr_json(const knot_pkt_t *query,
const time_t exec_time,
const style_t *style);
/*!
* \brief Prints one XFR reply packet in JSON.
*
* \param w JSON writter.
* \param reply Reply packet (possibly one of many).
* \param exec_time Time of the packet creation.
*/
void print_data_xfr_json(jsonw_t *w,
const knot_pkt_t *reply,
const time_t exec_time);
/*!
* \brief Prints trailing JSON part of XFR output.
*
* \param w JSON writter.
* \param style Style of the output.
*/
void print_footer_xfr_json(jsonw_t **w,
const style_t *style);
/*!
* \brief Prints one or query/reply pair of DNS packets in JSON format.
*
* \param query Query DNS packet.
* \param reply Reply DNS packet.
* \param net Connection information.
* \param exec_time Time of the packet creation.
* \param style Style of the output.
*/
void print_packets_json(const knot_pkt_t *query,
const knot_pkt_t *reply,
const net_t *net,
const time_t exec_time,
const style_t *style);
/*!
* \brief Prints one DNS packet.
*
* \param packet DNS packet.
* \param net Connection information.
* \param size Original packet wire size.
* \param elapsed Total elapsed time.
* \param exec_time Time of the packet creation.
* \param incoming Indicates if the packet is input.
* \param style Style of the output.
*/
void print_packet(const knot_pkt_t *packet,
const net_t *net,
const size_t size,
const float elapsed,
const time_t exec_time,
const bool incoming,
const style_t *style);
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