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/*
** ZABBIX
** Copyright (C) 2000-2007 SIA Zabbix
**
** 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., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
#ifndef ZABBIX_DBCACHE_H
#define ZABBIX_DBCACHE_H
#define ZBX_DC_CACHE struct zbx_dc_cache_type
#define ZBX_DC_HISTORY struct zbx_dc_history_type
#define ZBX_DC_TREND struct zbx_dc_trend_type
#define ZBX_DC_NEXTCHECK struct zbx_dc_nextcheck_type
#define ZBX_HISTORY_SIZE 100000
/* Must be less than ZBX_HISTORY_SIZE */
#define ZBX_SYNC_MAX 1000
#define ZBX_TREND_SIZE 100000
#define ZBX_TEXTBUFFER_SIZE 16384*1024
#define ZBX_SYNC_PARTIAL 0
#define ZBX_SYNC_FULL 1
extern char *CONFIG_FILE;
typedef union{
double value_float;
zbx_uint64_t value_uint64;
char *value_str;/*[HISTORY_STR_VALUE_LEN_MAX];*/
} history_value_t;
typedef union {
double value_float;
zbx_uint64_t value_uint64;
} trend_value_t;
ZBX_DC_HISTORY
{
zbx_uint64_t itemid;
int clock;
int value_type;
history_value_t value;
int timestamp;
char *source;
int severity;
int lastlogsize;
};
ZBX_DC_TREND
{
zbx_uint64_t itemid;
int clock;
int num;
int value_type;
trend_value_t value_min;
trend_value_t value_avg;
trend_value_t value_max;
};
ZBX_DC_CACHE
{
int history_first;
int history_num;
int trends_num;
ZBX_DC_HISTORY history[ZBX_HISTORY_SIZE];
ZBX_DC_TREND trends[ZBX_TREND_SIZE];
char text[ZBX_TEXTBUFFER_SIZE];
char *last_text;
};
ZBX_DC_NEXTCHECK
{
zbx_uint64_t itemid;
time_t clock;
/* for not supported items */
char *error_msg;
};
void DCadd_history(zbx_uint64_t itemid, double value, int clock);
void DCadd_history_uint(zbx_uint64_t itemid, zbx_uint64_t value, int clock);
void DCadd_history_str(zbx_uint64_t itemid, char *value, int clock);
void DCadd_history_text(zbx_uint64_t itemid, char *value, int clock);
void DCadd_history_log(zbx_uint64_t itemid, char *value, int clock, int timestamp, char *source, int severity, int lastlogsize);
int DCsync_history(int sync_type);
void init_database_cache(zbx_process_t p);
void free_database_cache(void);
void DCinit_nextchecks();
void DCadd_nextcheck(DB_ITEM *item, time_t now, time_t timediff, const char *error_msg);
void DCflush_nextchecks();
#endif
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