1 /* 2 ** Zabbix 3 ** Copyright (C) 2001-2021 Zabbix SIA 4 ** 5 ** This program is free software; you can redistribute it and/or modify 6 ** it under the terms of the GNU General Public License as published by 7 ** the Free Software Foundation; either version 2 of the License, or 8 ** (at your option) any later version. 9 ** 10 ** This program is distributed in the hope that it will be useful, 11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 ** GNU General Public License for more details. 14 ** 15 ** You should have received a copy of the GNU General Public License 16 ** along with this program; if not, write to the Free Software 17 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 18 **/ 19 20 #ifndef ZABBIX_ZBXVARIANT_H 21 #define ZABBIX_ZBXVARIANT_H 22 23 #include "common.h" 24 #include "zbxalgo.h" 25 26 typedef union 27 { 28 zbx_uint64_t ui64; 29 double dbl; 30 31 /* null terminated string */ 32 char *str; 33 34 /* length prefixed (4 bytes) binary data */ 35 void *bin; 36 37 zbx_vector_dbl_t *dbl_vector; 38 39 /* null terminated error message */ 40 char *err; 41 } 42 zbx_variant_data_t; 43 44 struct zbx_variant 45 { 46 unsigned char type; 47 zbx_variant_data_t data; 48 }; 49 50 #define ZBX_VARIANT_NONE 0 51 #define ZBX_VARIANT_STR 1 52 #define ZBX_VARIANT_DBL 2 53 #define ZBX_VARIANT_UI64 3 54 #define ZBX_VARIANT_BIN 4 55 #define ZBX_VARIANT_DBL_VECTOR 5 56 #define ZBX_VARIANT_ERR 6 57 58 void zbx_variant_clear(zbx_variant_t *value); 59 void zbx_variant_set_none(zbx_variant_t *value); 60 void zbx_variant_set_str(zbx_variant_t *value, char *text); 61 void zbx_variant_set_dbl(zbx_variant_t *value, double value_dbl); 62 void zbx_variant_set_ui64(zbx_variant_t *value, zbx_uint64_t value_ui64); 63 void zbx_variant_set_bin(zbx_variant_t *value, void *value_bin); 64 void zbx_variant_set_error(zbx_variant_t *value, char *error); 65 void zbx_variant_set_dbl_vector(zbx_variant_t *value, zbx_vector_dbl_t *dbl_vector); 66 67 void zbx_variant_copy(zbx_variant_t *value, const zbx_variant_t *source); 68 int zbx_variant_set_numeric(zbx_variant_t *value, const char *text); 69 70 int zbx_variant_convert(zbx_variant_t *value, int type); 71 const char *zbx_get_variant_type_desc(unsigned char type); 72 const char *zbx_variant_value_desc(const zbx_variant_t *value); 73 const char *zbx_variant_type_desc(const zbx_variant_t *value); 74 75 int zbx_variant_compare(const zbx_variant_t *value1, const zbx_variant_t *value2); 76 77 void *zbx_variant_data_bin_copy(const void *bin); 78 void *zbx_variant_data_bin_create(const void *data, zbx_uint32_t size); 79 zbx_uint32_t zbx_variant_data_bin_get(const void *bin, void **data); 80 81 int zbx_variant_to_value_type(zbx_variant_t *value, unsigned char value_type, int dbl_precision, char **errmsg); 82 83 ZBX_VECTOR_DECL(var, zbx_variant_t) 84 85 #endif 86