netdata/database/rrdvar.h

72 lines
3.0 KiB
C

// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_RRDVAR_H
#define NETDATA_RRDVAR_H 1
#include "libnetdata/libnetdata.h"
typedef enum rrdvar_type {
RRDVAR_TYPE_CALCULATED = 1,
RRDVAR_TYPE_TIME_T = 2,
RRDVAR_TYPE_COLLECTED = 3,
RRDVAR_TYPE_TOTAL = 4,
RRDVAR_TYPE_INT = 5
// this is 8 bit
// to increase it you have to set change the bitfield in
// rrdvar, rrdsetvar, rrddimvar
} RRDVAR_TYPE;
typedef enum rrdvar_options {
RRDVAR_FLAG_NONE = 0,
RRDVAR_FLAG_ALLOCATED = (1 << 0), // the value ptr is allocated (not a reference)
RRDVAR_FLAG_CUSTOM_HOST_VAR = (1 << 1), // this is a custom host variable, not associated with a dimension
RRDVAR_FLAG_CUSTOM_CHART_VAR = (1 << 2), // this is a custom chart variable, not associated with a dimension
RRDVAR_FLAG_RRDCALC_LOCAL_VAR = (1 << 3), // this is a an alarm variable, attached to a chart
RRDVAR_FLAG_RRDCALC_FAMILY_VAR = (1 << 4), // this is a an alarm variable, attached to a family
RRDVAR_FLAG_RRDCALC_HOST_CHARTID_VAR = (1 << 5), // this is a an alarm variable, attached to the host, using the chart id
RRDVAR_FLAG_RRDCALC_HOST_CHARTNAME_VAR = (1 << 6), // this is a an alarm variable, attached to the host, using the chart name
// this is 24 bit
// to increase it you have to set change the bitfield in
// rrdvar, rrdsetvar, rrddimvar
} RRDVAR_FLAGS;
#define RRDVAR_OPTIONS_REMOVED_ON_NEW_OBJECTS \
(RRDVAR_FLAG_ALLOCATED)
#define RRDVAR_OPTIONS_REMOVED_WHEN_PROPAGATING_TO_RRDVAR \
(RRDVAR_FLAG_ALLOCATED)
#define RRDVAR_MAX_LENGTH 1024
extern int rrdvar_fix_name(char *variable);
#include "rrd.h"
extern STRING *rrdvar_name_to_string(const char *name);
extern const RRDVAR_ACQUIRED *rrdvar_custom_host_variable_add_and_acquire(RRDHOST *host, const char *name);
extern void rrdvar_custom_host_variable_set(RRDHOST *host, const RRDVAR_ACQUIRED *rva, NETDATA_DOUBLE value);
extern int rrdvar_walkthrough_read(DICTIONARY *dict, int (*callback)(const DICTIONARY_ITEM *item, void *rrdvar, void *data), void *data);
#define rrdvar_custom_host_variable_release(host, rva) rrdvar_release((host)->rrdvars, rva)
extern void rrdvar_release(DICTIONARY *dict, const RRDVAR_ACQUIRED *rva);
extern NETDATA_DOUBLE rrdvar2number(const RRDVAR_ACQUIRED *rva);
extern const RRDVAR_ACQUIRED *rrdvar_add_and_acquire(const char *scope, DICTIONARY *dict, STRING *name, RRDVAR_TYPE type, RRDVAR_FLAGS options, void *value);
extern void rrdvar_release_and_del(DICTIONARY *dict, const RRDVAR_ACQUIRED *rva);
extern DICTIONARY *rrdvariables_create(void);
extern void rrdvariables_destroy(DICTIONARY *dict);
extern void rrdvar_delete_all(DICTIONARY *dict);
extern const char *rrdvar_name(const RRDVAR_ACQUIRED *rva);
extern RRDVAR_FLAGS rrdvar_flags(const RRDVAR_ACQUIRED *rva);
extern RRDVAR_TYPE rrdvar_type(const RRDVAR_ACQUIRED *rva);
#endif //NETDATA_RRDVAR_H