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/*
** Zabbix
** Copyright (C) 2001-2023 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_ZBXVARIANT_H
#define ZABBIX_ZBXVARIANT_H
#include "zbxalgo.h"
#define ZBX_INFINITY (1.0 / 0.0) /* "Positive infinity" value used as a fatal error code */
#define ZBX_UNKNOWN (-1.0 / 0.0) /* "Negative infinity" value used as a code for "Unknown" */
#define ZBX_UNKNOWN_STR "ZBX_UNKNOWN" /* textual representation of ZBX_UNKNOWN */
#define ZBX_UNKNOWN_STR_LEN ZBX_CONST_STRLEN(ZBX_UNKNOWN_STR)
ZBX_VECTOR_DECL(var, zbx_variant_t)
void zbx_vector_var_clear_ext(zbx_vector_var_t *v);
typedef union
{
zbx_uint64_t ui64;
double dbl;
/* null terminated string */
char *str;
/* length prefixed (4 bytes) binary data */
void *bin;
zbx_vector_var_t *vector;
/* null terminated error message */
char *err;
}
zbx_variant_data_t;
struct zbx_variant
{
unsigned char type;
zbx_variant_data_t data;
};
#define ZBX_VARIANT_NONE 0
#define ZBX_VARIANT_STR 1
#define ZBX_VARIANT_DBL 2
#define ZBX_VARIANT_UI64 3
#define ZBX_VARIANT_BIN 4
#define ZBX_VARIANT_VECTOR 5
#define ZBX_VARIANT_ERR 6
void zbx_variant_clear(zbx_variant_t *value);
void zbx_variant_set_none(zbx_variant_t *value);
void zbx_variant_set_str(zbx_variant_t *value, char *text);
void zbx_variant_set_dbl(zbx_variant_t *value, double value_dbl);
void zbx_variant_set_ui64(zbx_variant_t *value, zbx_uint64_t value_ui64);
void zbx_variant_set_bin(zbx_variant_t *value, void *value_bin);
void zbx_variant_set_error(zbx_variant_t *value, char *error);
void zbx_variant_set_dbl_vector(zbx_variant_t *value, zbx_vector_dbl_t *dbl_vector);
void zbx_variant_copy(zbx_variant_t *value, const zbx_variant_t *source);
int zbx_variant_set_numeric(zbx_variant_t *value, const char *text);
int zbx_variant_convert(zbx_variant_t *value, int type);
const char *zbx_get_variant_type_desc(unsigned char type);
const char *zbx_variant_value_desc(const zbx_variant_t *value);
const char *zbx_variant_type_desc(const zbx_variant_t *value);
int zbx_variant_compare(const zbx_variant_t *value1, const zbx_variant_t *value2);
void *zbx_variant_data_bin_create(const void *data, zbx_uint32_t size);
zbx_uint32_t zbx_variant_data_bin_get(const void *bin, const void ** const data);
int zbx_variant_to_value_type(zbx_variant_t *value, unsigned char value_type, char **errmsg);
void zbx_variant_set_vector(zbx_variant_t *value, zbx_vector_var_t *vector);
int zbx_vector_var_get_type(zbx_vector_var_t *v);
typedef union
{
double dbl;
zbx_uint64_t ui64;
char *str;
char *err;
zbx_log_value_t *log;
}
zbx_history_value_t;
#endif