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/*
** Zabbix
** Copyright (C) 2001-2018 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.
**/
#ifndef ZABBIX_HISTORY_H
#define ZABBIX_HISTORY_H
#define ZBX_HISTORY_IFACE_SQL 0
#define ZBX_HISTORY_IFACE_ELASTIC 1
typedef struct zbx_history_iface zbx_history_iface_t;
typedef void (*zbx_history_destroy_func_t)(struct zbx_history_iface *hist);
typedef int (*zbx_history_add_values_func_t)(struct zbx_history_iface *hist, const zbx_vector_ptr_t *history);
typedef int (*zbx_history_get_values_func_t)(struct zbx_history_iface *hist, zbx_uint64_t itemid, int start,
int count, int end, zbx_vector_history_record_t *values);
typedef int (*zbx_history_flush_func_t)(struct zbx_history_iface *hist);
struct zbx_history_iface
{
unsigned char value_type;
unsigned char requires_trends;
void *data;
zbx_history_destroy_func_t destroy;
zbx_history_add_values_func_t add_values;
zbx_history_get_values_func_t get_values;
zbx_history_flush_func_t flush;
};
/* SQL hist */
int zbx_history_sql_init(zbx_history_iface_t *hist, unsigned char value_type, char **error);
/* elastic hist */
int zbx_history_elastic_init(zbx_history_iface_t *hist, unsigned char value_type, char **error);
#endif
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