mirror of
https://github.com/netdata/netdata.git
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09e89e937a
* modularized exporters * modularized API data queries * optimized queries * modularized API data reduction methods * modularized api queries * added new directories in makefiles * added median db query * moved all RRDR_GROUPING related to query.h * added stddev query * operational median and stddev * working simple exponential smoothing * too complex to do it right * fixed ses * fixed ses * rewrote query engine * fix double-exponential-smoothing * cleanup * fixed bug identified by @vlvkobal at rrdset_first_slot() * enable freeipmi on systems with libipmimonitoring; #4440
66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#ifndef NETDATA_RRDVAR_H
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#define NETDATA_RRDVAR_H 1
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#include "libnetdata/libnetdata.h"
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extern int rrdvar_compare(void *a, void *b);
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typedef enum rrdvar_type {
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RRDVAR_TYPE_CALCULATED = 1,
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RRDVAR_TYPE_TIME_T = 2,
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RRDVAR_TYPE_COLLECTED = 3,
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RRDVAR_TYPE_TOTAL = 4,
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RRDVAR_TYPE_INT = 5
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} RRDVAR_TYPE;
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typedef enum rrdvar_options {
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RRDVAR_OPTION_DEFAULT = 0,
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RRDVAR_OPTION_ALLOCATED = (1 << 0), // the value ptr is allocated (not a reference)
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RRDVAR_OPTION_CUSTOM_HOST_VAR = (1 << 1), // this is a custom host variable, not associated with a dimension
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RRDVAR_OPTION_CUSTOM_CHART_VAR = (1 << 2), // this is a custom chart variable, not associated with a dimension
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RRDVAR_OPTION_RRDCALC_LOCAL_VAR = (1 << 3), // this is a an alarm variable, attached to a chart
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RRDVAR_OPTION_RRDCALC_FAMILY_VAR = (1 << 4), // this is a an alarm variable, attached to a family
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RRDVAR_OPTION_RRDCALC_HOST_CHARTID_VAR = (1 << 5), // this is a an alarm variable, attached to the host, using the chart id
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RRDVAR_OPTION_RRDCALC_HOST_CHARTNAME_VAR = (1 << 6), // this is a an alarm variable, attached to the host, using the chart name
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} RRDVAR_OPTIONS;
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// the variables as stored in the variables indexes
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// there are 3 indexes:
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// 1. at each chart (RRDSET.rrdvar_root_index)
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// 2. at each context (RRDFAMILY.rrdvar_root_index)
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// 3. at each host (RRDHOST.rrdvar_root_index)
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struct rrdvar {
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avl avl;
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char *name;
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uint32_t hash;
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RRDVAR_TYPE type;
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RRDVAR_OPTIONS options;
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void *value;
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time_t last_updated;
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};
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#define RRDVAR_MAX_LENGTH 1024
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extern int rrdvar_fix_name(char *variable);
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#include "rrd.h"
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extern RRDVAR *rrdvar_custom_host_variable_create(RRDHOST *host, const char *name);
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extern void rrdvar_custom_host_variable_set(RRDHOST *host, RRDVAR *rv, calculated_number value);
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extern int foreach_host_variable_callback(RRDHOST *host, int (*callback)(RRDVAR *rv, void *data), void *data);
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extern void rrdvar_free_remaining_variables(RRDHOST *host, avl_tree_lock *tree_lock);
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extern int rrdvar_callback_for_all_host_variables(RRDHOST *host, int (*callback)(void *rrdvar, void *data), void *data);
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extern calculated_number rrdvar2number(RRDVAR *rv);
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extern RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, RRDVAR_TYPE type, RRDVAR_OPTIONS options, void *value);
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extern void rrdvar_free(RRDHOST *host, avl_tree_lock *tree, RRDVAR *rv);
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#endif //NETDATA_RRDVAR_H
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