Zabbix

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** 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 2 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, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "zbxprometheus.h"

​

#include "common.h"

#include "zbxregexp.h"

#include "log.h"

#include "zbxjson.h"

#include "zbxeval.h"

​

/* Defines maximum row length to be written in error message in the case of parsing failure */

#define ZBX_PROMEHTEUS_ERROR_MAX_ROW_LENGTH 50

​

#define ZBX_PROMETHEUS_HINT_HELP    0

#define ZBX_PROMETHEUS_HINT_TYPE    1

​

#define ZBX_PROMETHEUS_TYPE_UNTYPED "untyped"

​

#define ZBX_PROMETHEUS_ERROR_ROW_NUM    10

​

typedef enum

{

    ZBX_PROMETHEUS_CONDITION_OP_EQUAL,

    ZBX_PROMETHEUS_CONDITION_OP_REGEX,

    ZBX_PROMETHEUS_CONDITION_OP_EQUAL_VALUE,

    ZBX_PROMETHEUS_CONDITION_OP_NOT_EQUAL,

    ZBX_PROMETHEUS_CONDITION_OP_REGEX_NOT_MATCHED

}

zbx_prometheus_condition_op_t;

​

/* key-value matching data */

typedef struct

{

    /* the key to match, optional - can be NULL */

    char                *key;

    /* the pattern to match */

    char                *pattern;

    /* the condition operations */

    zbx_prometheus_condition_op_t   op;

}

zbx_prometheus_condition_t;

​

/* the prometheus pattern filter */

typedef struct

{

    /* metric filter, optional - can be NULL */