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/* Copyright (C) 2024 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 <stddef.h>
#include <inttypes.h>
#include <pthread.h>
#include <stdbool.h>
#include "utils/kxdpgun/main.h"
#define RCODE_MAX (0x0F + 1)
#define STATS_SECTION_SEP "--------------------------------------------------------------"
#define JSON_INDENT " "
#define STATS_SCHEMA_VERSION 20240530
#define DURATION_US(st) (((st).until - (st).since) / 1000)
#define DURATION_NS(st) ((st).until - (st).since)
#define JSON_MODE(ctx) ((ctx).jw != NULL)
#define STATS_HDR(ctx) ((JSON_MODE(*(ctx)) ? json_stats_header : plain_stats_header)((ctx)))
#define STATS_THRD(ctx, stats) \
((JSON_MODE(*ctx) ? json_thrd_summary : plain_thrd_summary)((ctx), (stats)))
#define STATS_FMT(ctx, stats, stats_type) \
((JSON_MODE(*(ctx)) ? json_stats : plain_stats)((ctx), (stats), (stats_type)))
typedef struct {
size_t collected;
uint64_t since, until; // nanosecs UNIX
uint64_t qry_sent;
uint64_t synack_recv;
uint64_t ans_recv;
uint64_t finack_recv;
uint64_t rst_recv;
uint64_t size_recv;
uint64_t wire_recv;
uint64_t errors;
uint64_t lost;
uint64_t rcodes_recv[RCODE_MAX];
pthread_mutex_t mutex;
} kxdpgun_stats_t;
typedef enum {
STATS_PERIODIC,
STATS_SUM,
} stats_type_t;
void clear_stats(kxdpgun_stats_t *st);
size_t collect_stats(kxdpgun_stats_t *into, const kxdpgun_stats_t *what);
void collect_periodic_stats(kxdpgun_stats_t *into, const kxdpgun_stats_t *what);
void plain_stats_header(const xdp_gun_ctx_t *ctx);
void json_stats_header(const xdp_gun_ctx_t *ctx);
void plain_thrd_summary(const xdp_gun_ctx_t *ctx, const kxdpgun_stats_t *st);
void json_thrd_summary(const xdp_gun_ctx_t *ctx, const kxdpgun_stats_t *st);
void plain_stats(const xdp_gun_ctx_t *ctx, kxdpgun_stats_t *st, stats_type_t stt);
void json_stats(const xdp_gun_ctx_t *ctx, kxdpgun_stats_t *st, stats_type_t stt);
extern pthread_mutex_t stdout_mtx;
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