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/*
** 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_PP_PREPROCBASE_H
#define ZABBIX_PP_PREPROCBASE_H
#include "zbxalgo.h"
#include "zbxvariant.h"
#include "zbxtime.h"
/* one preprocessing step history */
typedef struct
{
int index;
zbx_variant_t value;
zbx_timespec_t ts;
}
zbx_pp_step_history_t;
ZBX_VECTOR_DECL(pp_step_history, zbx_pp_step_history_t)
/* item preprocessing history for preprocessing steps using previous values */
typedef struct
{
zbx_vector_pp_step_history_t step_history;
unsigned int refcount;
}
zbx_pp_history_t;
typedef struct zbx_pp_history_cache zbx_pp_history_cache_t;
zbx_pp_history_t *zbx_pp_history_create(int history_num);
void zbx_pp_history_init(zbx_pp_history_t *history);
void zbx_pp_history_clear(zbx_pp_history_t *history);
zbx_pp_history_t *zbx_pp_history_release(zbx_pp_history_t *history);
void zbx_pp_history_reserve(zbx_pp_history_t *history, int history_num);
void zbx_pp_history_add(zbx_pp_history_t *history, int index, zbx_variant_t *value,
zbx_timespec_t ts);
void zbx_pp_history_get(const zbx_pp_history_t *history, int index, const zbx_variant_t **value,
zbx_timespec_t *ts);
zbx_pp_history_cache_t *zbx_pp_history_cache_create(void);
zbx_pp_history_cache_t *zbx_pp_history_cache_acquire(zbx_pp_history_cache_t *history_cache);
void zbx_pp_history_cache_release(zbx_pp_history_cache_t *history_cache);
zbx_pp_history_t *zbx_pp_history_cache_history_acquire(zbx_pp_history_cache_t *history_cache);
void zbx_pp_history_cache_history_set_and_release(zbx_pp_history_cache_t *history_cache,
zbx_pp_history_t *history_in, zbx_pp_history_t *history_out);
typedef enum
{
ZBX_PP_PROCESS_PARALLEL,
ZBX_PP_PROCESS_SERIAL
}
zbx_pp_process_mode_t;
typedef struct
{
int type;
int error_handler;
char *params;
char *error_handler_params;
}
zbx_pp_step_t;
void zbx_pp_step_free(zbx_pp_step_t *step);
ZBX_PTR_VECTOR_DECL(pp_step_ptr, zbx_pp_step_t *)
typedef struct
{
zbx_uint32_t refcount;
zbx_uint32_t refcount_peak;
zbx_uint64_t hostid;
int steps_num;
zbx_pp_step_t *steps;
zbx_uint64_t pp_revision;
int dep_itemids_num;
zbx_uint64_t *dep_itemids;
unsigned char type;
unsigned char value_type;
unsigned char flags;
zbx_pp_process_mode_t mode;
int history_num; /* the number of preprocessing steps requiring history */
zbx_pp_history_cache_t *history_cache; /* the preprocessing history */
}
zbx_pp_item_preproc_t;
zbx_pp_item_preproc_t *zbx_pp_item_preproc_copy(zbx_pp_item_preproc_t *preproc);
zbx_pp_item_preproc_t *zbx_pp_item_preproc_create(zbx_uint64_t hostid, unsigned char type, unsigned char value_type,
unsigned char flags);
void zbx_pp_item_preproc_release(zbx_pp_item_preproc_t *preproc);
int zbx_pp_preproc_has_history(int type);
int zbx_pp_preproc_has_serial_history(int type);
typedef struct
{
zbx_uint64_t itemid;
zbx_uint64_t revision;
zbx_pp_item_preproc_t *preproc;
}
zbx_pp_item_t;
void zbx_pp_item_clear(zbx_pp_item_t *item);
#endif
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