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 Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#ifndef ZABBIX_PREPROC_SNMP_H

#define ZABBIX_PREPROC_SNMP_H

​

#include "item_preproc.h"

#include "pp_cache.h"

#include "zbxalgo.h"

​

#ifdef HAVE_NETSNMP

#   define SNMP_NO_DEBUGGING        /* disabling debugging messages from Net-SNMP library */

#   include <net-snmp/net-snmp-config.h>

#   include <net-snmp/net-snmp-includes.h>

#endif

​

typedef struct

{

    char    *field_name;

    char    *oid_prefix;

    int format_flag;

}

zbx_snmp_walk_to_json_param_t;

​

ZBX_VECTOR_DECL(snmp_walk_to_json_param, zbx_snmp_walk_to_json_param_t)

​

typedef struct

{

    char        *key;

    char        *value;

}

zbx_snmp_walk_json_output_value_t;

​

ZBX_PTR_VECTOR_DECL(snmp_walk_to_json_output_val, zbx_snmp_walk_json_output_value_t *)

​

typedef enum

{

    ZBX_SNMP_TYPE_UNDEFINED,

    ZBX_SNMP_TYPE_HEX,

    ZBX_SNMP_TYPE_BITS,

    ZBX_SNMP_TYPE_STRING,

}

zbx_snmp_type_t;

​

typedef struct

{

    char        *oid;

    char        *value;

    zbx_snmp_type_t type;

}

zbx_snmp_value_pair_t;

​

ZBX_PTR_VECTOR_DECL(snmp_value_pair, zbx_snmp_value_pair_t *)

​

typedef struct

{

    zbx_hashset_t   pairs;

}

zbx_snmp_value_cache_t;

​

typedef struct

{

    char                *key;

    zbx_vector_snmp_value_pair_t    values;

}

zbx_snmp_walk_json_output_obj_t;

​

int zbx_snmp_value_cache_init(zbx_snmp_value_cache_t *cache, const char *data, char **error);

void    zbx_snmp_value_cache_clear(zbx_snmp_value_cache_t *cache);

​

int item_preproc_snmp_walk_to_value(zbx_pp_cache_t *cache, zbx_variant_t *value, const char *params, char **errmsg);

int item_preproc_snmp_walk_to_json(zbx_variant_t *value, const char *params, char **errmsg);

int item_preproc_snmp_get_to_value(zbx_variant_t *value, const char *params, char **errmsg);

​

void    preproc_init_snmp(void);

void    preproc_shutdown_snmp(void);

​

#endif