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84 lines
3.1 KiB
84 lines
3.1 KiB
1 year ago
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#ifndef ZABBIX_ZBXHISTORY_H
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#define ZABBIX_ZBXHISTORY_H
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#include "zbxvariant.h"
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#include "zbxjson.h"
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#include "zbxtime.h"
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/* the item history value */
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typedef struct
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{
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zbx_timespec_t timestamp;
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zbx_history_value_t value;
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}
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zbx_history_record_t;
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ZBX_VECTOR_DECL(history_record, zbx_history_record_t)
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int zbx_history_record_float_compare(const zbx_history_record_t *d1, const zbx_history_record_t *d2);
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void zbx_history_record_vector_clean(zbx_vector_history_record_t *vector, int value_type);
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void zbx_history_record_vector_destroy(zbx_vector_history_record_t *vector, int value_type);
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void zbx_history_record_clear(zbx_history_record_t *value, int value_type);
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int zbx_history_record_compare_asc_func(const zbx_history_record_t *d1, const zbx_history_record_t *d2);
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int zbx_history_record_compare_desc_func(const zbx_history_record_t *d1, const zbx_history_record_t *d2);
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void zbx_history_value2str(char *buffer, size_t size, const zbx_history_value_t *value, int value_type);
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void zbx_history_value_print(char *buffer, size_t size, const zbx_history_value_t *value, int value_type);
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void zbx_history_value2variant(const zbx_history_value_t *value, unsigned char value_type, zbx_variant_t *var);
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/* In most cases zbx_history_record_vector_destroy() function should be used to free the */
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/* value vector filled by zbx_vc_get_value* functions. This define simply better */
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/* mirrors the vector creation function to vector destroying function. */
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#define zbx_history_record_vector_create(vector) zbx_vector_history_record_create(vector)
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int zbx_history_init(char **error);
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void zbx_history_destroy(void);
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int zbx_history_add_values(const zbx_vector_ptr_t *history, int *ret_flush);
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int zbx_history_get_values(zbx_uint64_t itemid, int value_type, int start, int count, int end,
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zbx_vector_history_record_t *values);
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int zbx_history_requires_trends(int value_type);
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void zbx_history_check_version(struct zbx_json *json, int *result);
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#define FLUSH_SUCCEED 0
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#define FLUSH_FAIL -1
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#define FLUSH_DUPL_REJECTED -2
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typedef struct
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{
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zbx_uint64_t itemid;
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zbx_history_value_t value;
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zbx_uint64_t lastlogsize;
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zbx_timespec_t ts;
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int mtime;
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unsigned char value_type;
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unsigned char flags; /* see ZBX_DC_FLAG_* */
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unsigned char state;
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int ttl; /* time-to-live of the history value */
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}
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zbx_dc_history_t;
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#endif
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