From a64a253794ac64cb40befee54db53bde17dd0d49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Nov 2018 13:19:29 +0100 Subject: New upstream version 1.11.0+dfsg Signed-off-by: Daniel Baumann --- database/rrdvar.h | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 database/rrdvar.h (limited to 'database/rrdvar.h') diff --git a/database/rrdvar.h b/database/rrdvar.h new file mode 100644 index 000000000..6d1461b2a --- /dev/null +++ b/database/rrdvar.h @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_RRDVAR_H +#define NETDATA_RRDVAR_H 1 + +#include "libnetdata/libnetdata.h" + +extern int rrdvar_compare(void *a, void *b); + +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 +} RRDVAR_TYPE; + +typedef enum rrdvar_options { + RRDVAR_OPTION_DEFAULT = 0, + RRDVAR_OPTION_ALLOCATED = (1 << 0), // the value ptr is allocated (not a reference) + RRDVAR_OPTION_CUSTOM_HOST_VAR = (1 << 1), // this is a custom host variable, not associated with a dimension + RRDVAR_OPTION_CUSTOM_CHART_VAR = (1 << 2), // this is a custom chart variable, not associated with a dimension + RRDVAR_OPTION_RRDCALC_LOCAL_VAR = (1 << 3), // this is a an alarm variable, attached to a chart + RRDVAR_OPTION_RRDCALC_FAMILY_VAR = (1 << 4), // this is a an alarm variable, attached to a family + RRDVAR_OPTION_RRDCALC_HOST_CHARTID_VAR = (1 << 5), // this is a an alarm variable, attached to the host, using the chart id + RRDVAR_OPTION_RRDCALC_HOST_CHARTNAME_VAR = (1 << 6), // this is a an alarm variable, attached to the host, using the chart name +} RRDVAR_OPTIONS; + +// the variables as stored in the variables indexes +// there are 3 indexes: +// 1. at each chart (RRDSET.rrdvar_root_index) +// 2. at each context (RRDFAMILY.rrdvar_root_index) +// 3. at each host (RRDHOST.rrdvar_root_index) +struct rrdvar { + avl avl; + + char *name; + uint32_t hash; + + RRDVAR_TYPE type; + RRDVAR_OPTIONS options; + + void *value; + + time_t last_updated; +}; + +#define RRDVAR_MAX_LENGTH 1024 + +extern int rrdvar_fix_name(char *variable); + +#include "rrd.h" + +extern RRDVAR *rrdvar_custom_host_variable_create(RRDHOST *host, const char *name); +extern void rrdvar_custom_host_variable_set(RRDHOST *host, RRDVAR *rv, calculated_number value); +extern int foreach_host_variable_callback(RRDHOST *host, int (*callback)(RRDVAR *rv, void *data), void *data); +extern void rrdvar_free_remaining_variables(RRDHOST *host, avl_tree_lock *tree_lock); + +extern int rrdvar_callback_for_all_host_variables(RRDHOST *host, int (*callback)(void *rrdvar, void *data), void *data); + +extern calculated_number rrdvar2number(RRDVAR *rv); + +extern RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, RRDVAR_TYPE type, RRDVAR_OPTIONS options, void *value); +extern void rrdvar_free(RRDHOST *host, avl_tree_lock *tree, RRDVAR *rv); + +#endif //NETDATA_RRDVAR_H -- cgit v1.2.3