| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #ifndef NETDATA_RRDVAR_H |
| 4 | #define NETDATA_RRDVAR_H 1 |
| 5 | |
| 6 | #include "libnetdata/libnetdata.h" |
| 7 | |
| 8 | #define RRDVAR_MAX_LENGTH 1024 |
| 9 | |
| 10 | #include "database/rrd.h" |
| 11 | |
| 12 | STRING *rrdvar_name_to_string(const char *name); |
| 13 | |
| 14 | const RRDVAR_ACQUIRED *rrdvar_host_variable_add_and_acquire(RRDHOST *host, const char *name); |
| 15 | void rrdvar_host_variable_set(RRDHOST *host, const RRDVAR_ACQUIRED *rva, NETDATA_DOUBLE value); |
| 16 | |
| 17 | int rrdvar_walkthrough_read(DICTIONARY *dict, int (*callback)(const DICTIONARY_ITEM *item, void *rrdvar, void *data), void *data); |
| 18 | |
| 19 | #define rrdvar_host_variable_release(host, rva) rrdvar_release((host)->rrdvars, rva) |
| 20 | #define rrdvar_chart_variable_release(st, rva) do { if(st) rrdvar_release((st)->rrdvars, rva); } while(0) |
| 21 | void rrdvar_release(DICTIONARY *dict, const RRDVAR_ACQUIRED *rva); |
| 22 | |
| 23 | NETDATA_DOUBLE rrdvar2number(const RRDVAR_ACQUIRED *rva); |
| 24 | |
| 25 | const RRDVAR_ACQUIRED *rrdvar_add_and_acquire(DICTIONARY *dict, STRING *name, NETDATA_DOUBLE value); |
| 26 | |
| 27 | DICTIONARY *rrdvariables_create(void); |
| 28 | void rrdvariables_destroy(DICTIONARY *dict); |
| 29 | |
| 30 | void rrdvar_delete_all(DICTIONARY *dict); |
| 31 | |
| 32 | const char *rrdvar_name(const RRDVAR_ACQUIRED *rva); |
| 33 | |
| 34 | void rrdvar_print_to_streaming_custom_chart_variables(RRDSET *st, BUFFER *wb); |
| 35 | |
| 36 | const RRDVAR_ACQUIRED *rrdvar_chart_variable_add_and_acquire(RRDSET *st, const char *name); |
| 37 | void rrdvar_chart_variable_set(RRDSET *st, const RRDVAR_ACQUIRED *rva, NETDATA_DOUBLE value); |
| 38 | |
| 39 | bool rrdvar_get_custom_host_variable_value(RRDHOST *host, STRING *variable, NETDATA_DOUBLE *result); |
| 40 | bool rrdvar_get_custom_chart_variable_value(RRDSET *st, STRING *variable, NETDATA_DOUBLE *result); |
| 41 | |
| 42 | #endif //NETDATA_RRDVAR_H |