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273 lines
10 KiB
C
273 lines
10 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "rrd.h"
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typedef struct rrddimvar {
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struct rrddim *rrddim;
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STRING *prefix;
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STRING *suffix;
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void *value;
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const RRDVAR_ACQUIRED *rrdvar_local_dim_id;
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const RRDVAR_ACQUIRED *rrdvar_local_dim_name;
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const RRDVAR_ACQUIRED *rrdvar_family_id;
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const RRDVAR_ACQUIRED *rrdvar_family_name;
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const RRDVAR_ACQUIRED *rrdvar_family_context_dim_id;
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const RRDVAR_ACQUIRED *rrdvar_family_context_dim_name;
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const RRDVAR_ACQUIRED *rrdvar_host_chart_id_dim_id;
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const RRDVAR_ACQUIRED *rrdvar_host_chart_id_dim_name;
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const RRDVAR_ACQUIRED *rrdvar_host_chart_name_dim_id;
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const RRDVAR_ACQUIRED *rrdvar_host_chart_name_dim_name;
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RRDVAR_FLAGS flags:24;
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RRDVAR_TYPE type:8;
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} RRDDIMVAR;
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// ----------------------------------------------------------------------------
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// RRDDIMVAR management
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// DIMENSION VARIABLES
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#define RRDDIMVAR_ID_MAX 1024
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static inline void rrddimvar_free_variables_unsafe(RRDDIMVAR *rs) {
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RRDDIM *rd = rs->rrddim;
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RRDSET *st = rd->rrdset;
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RRDHOST *host = st->rrdhost;
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// CHART VARIABLES FOR THIS DIMENSION
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if(st->rrdvars) {
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rrdvar_release_and_del(st->rrdvars, rs->rrdvar_local_dim_id);
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rs->rrdvar_local_dim_id = NULL;
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rrdvar_release_and_del(st->rrdvars, rs->rrdvar_local_dim_name);
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rs->rrdvar_local_dim_name = NULL;
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}
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// FAMILY VARIABLES FOR THIS DIMENSION
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if(st->rrdfamily) {
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rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_id);
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rs->rrdvar_family_id = NULL;
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rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_name);
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rs->rrdvar_family_name = NULL;
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rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_context_dim_id);
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rs->rrdvar_family_context_dim_id = NULL;
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rrdvar_release_and_del(rrdfamily_rrdvars_dict(st->rrdfamily), rs->rrdvar_family_context_dim_name);
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rs->rrdvar_family_context_dim_name = NULL;
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}
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// HOST VARIABLES FOR THIS DIMENSION
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if(host->rrdvars && host->health.health_enabled) {
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rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_id_dim_id);
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rs->rrdvar_host_chart_id_dim_id = NULL;
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rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_id_dim_name);
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rs->rrdvar_host_chart_id_dim_name = NULL;
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rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_name_dim_id);
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rs->rrdvar_host_chart_name_dim_id = NULL;
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rrdvar_release_and_del(host->rrdvars, rs->rrdvar_host_chart_name_dim_name);
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rs->rrdvar_host_chart_name_dim_name = NULL;
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}
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}
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static inline void rrddimvar_update_variables_unsafe(RRDDIMVAR *rs) {
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rrddimvar_free_variables_unsafe(rs);
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RRDDIM *rd = rs->rrddim;
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RRDSET *st = rd->rrdset;
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RRDHOST *host = st->rrdhost;
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char buffer[RRDDIMVAR_ID_MAX + 1];
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// KEYS
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", string2str(rs->prefix), rrddim_id(rd), string2str(rs->suffix));
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STRING *key_dim_id = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", string2str(rs->prefix), rrddim_name(rd), string2str(rs->suffix));
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STRING *key_dim_name = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_id(st), string2str(key_dim_id));
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STRING *key_chart_id_dim_id = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_id(st), string2str(key_dim_name));
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STRING *key_chart_id_dim_name = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_context(st), string2str(key_dim_id));
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STRING *key_context_dim_id = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_context(st), string2str(key_dim_name));
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STRING *key_context_dim_name = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_name(st), string2str(key_dim_id));
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STRING *key_chart_name_dim_id = string_strdupz(buffer);
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snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rrdset_name(st), string2str(key_dim_name));
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STRING *key_chart_name_dim_name = string_strdupz(buffer);
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// CHART VARIABLES FOR THIS DIMENSION
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// -----------------------------------
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//
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// dimensions are available as:
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// - $id
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// - $name
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if(st->rrdvars) {
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rs->rrdvar_local_dim_id = rrdvar_add_and_acquire("local", st->rrdvars, key_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_local_dim_name = rrdvar_add_and_acquire("local", st->rrdvars, key_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
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}
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// FAMILY VARIABLES FOR THIS DIMENSION
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// -----------------------------------
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//
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// dimensions are available as:
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// - $id (only the first, when multiple overlap)
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// - $name (only the first, when multiple overlap)
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// - $chart-context.id
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// - $chart-context.name
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if(st->rrdfamily) {
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rs->rrdvar_family_id = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_family_name = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_family_context_dim_id = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_context_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_family_context_dim_name = rrdvar_add_and_acquire("family", rrdfamily_rrdvars_dict(st->rrdfamily), key_context_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
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}
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// HOST VARIABLES FOR THIS DIMENSION
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// -----------------------------------
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//
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// dimensions are available as:
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// - $chart-id.id
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// - $chart-id.name
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// - $chart-name.id
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// - $chart-name.name
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if(host->rrdvars && host->health.health_enabled) {
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rs->rrdvar_host_chart_id_dim_id = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_id_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_host_chart_id_dim_name = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_id_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_host_chart_name_dim_id = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_name_dim_id, rs->type, RRDVAR_FLAG_NONE, rs->value);
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rs->rrdvar_host_chart_name_dim_name = rrdvar_add_and_acquire("host", host->rrdvars, key_chart_name_dim_name, rs->type, RRDVAR_FLAG_NONE, rs->value);
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}
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// free the keys
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string_freez(key_dim_id);
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string_freez(key_dim_name);
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string_freez(key_chart_id_dim_id);
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string_freez(key_chart_id_dim_name);
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string_freez(key_context_dim_id);
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string_freez(key_context_dim_name);
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string_freez(key_chart_name_dim_id);
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string_freez(key_chart_name_dim_name);
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}
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struct rrddimvar_constructor {
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RRDDIM *rrddim;
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const char *prefix;
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const char *suffix;
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void *value;
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RRDVAR_FLAGS flags :16;
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RRDVAR_TYPE type:8;
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};
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static void rrddimvar_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddimvar, void *constructor_data) {
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RRDDIMVAR *rs = rrddimvar;
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struct rrddimvar_constructor *ctr = constructor_data;
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if(!ctr->prefix) ctr->prefix = "";
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if(!ctr->suffix) ctr->suffix = "";
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rs->prefix = string_strdupz(ctr->prefix);
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rs->suffix = string_strdupz(ctr->suffix);
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rs->type = ctr->type;
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rs->value = ctr->value;
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rs->flags = ctr->flags;
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rs->rrddim = ctr->rrddim;
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rrddimvar_update_variables_unsafe(rs);
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}
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static bool rrddimvar_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddimvar, void *new_rrddimvar __maybe_unused, void *constructor_data __maybe_unused) {
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RRDDIMVAR *rs = rrddimvar;
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rrddimvar_update_variables_unsafe(rs);
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return true;
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}
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static void rrddimvar_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrddimvar, void *rrdset __maybe_unused) {
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RRDDIMVAR *rs = rrddimvar;
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rrddimvar_free_variables_unsafe(rs);
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string_freez(rs->prefix);
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string_freez(rs->suffix);
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}
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void rrddimvar_index_init(RRDSET *st) {
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if(!st->rrddimvar_root_index) {
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st->rrddimvar_root_index = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE,
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&dictionary_stats_category_rrdhealth, sizeof(RRDDIMVAR));
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dictionary_register_insert_callback(st->rrddimvar_root_index, rrddimvar_insert_callback, NULL);
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dictionary_register_conflict_callback(st->rrddimvar_root_index, rrddimvar_conflict_callback, NULL);
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dictionary_register_delete_callback(st->rrddimvar_root_index, rrddimvar_delete_callback, st);
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}
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}
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void rrddimvar_index_destroy(RRDSET *st) {
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dictionary_destroy(st->rrddimvar_root_index);
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st->rrddimvar_root_index = NULL;
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}
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void rrddimvar_add_and_leave_released(RRDDIM *rd, RRDVAR_TYPE type, const char *prefix, const char *suffix, void *value, RRDVAR_FLAGS flags) {
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if(!prefix) prefix = "";
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if(!suffix) suffix = "";
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char key[RRDDIMVAR_ID_MAX + 1];
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size_t key_len = snprintfz(key, RRDDIMVAR_ID_MAX, "%s_%s_%s", prefix, rrddim_id(rd), suffix);
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struct rrddimvar_constructor tmp = {
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.suffix = suffix,
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.prefix = prefix,
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.type = type,
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.flags = flags,
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.value = value,
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.rrddim = rd
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};
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dictionary_set_advanced(rd->rrdset->rrddimvar_root_index, key, (ssize_t)(key_len + 1), NULL, sizeof(RRDDIMVAR), &tmp);
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}
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void rrddimvar_rename_all(RRDDIM *rd) {
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RRDSET *st = rd->rrdset;
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netdata_log_debug(D_VARIABLES, "RRDDIMVAR rename for chart id '%s' name '%s', dimension id '%s', name '%s'", rrdset_id(st), rrdset_name(st), rrddim_id(rd), rrddim_name(rd));
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RRDDIMVAR *rs;
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dfe_start_write(st->rrddimvar_root_index, rs) {
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if(unlikely(rs->rrddim == rd))
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rrddimvar_update_variables_unsafe(rs);
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}
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dfe_done(rs);
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}
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void rrddimvar_delete_all(RRDDIM *rd) {
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RRDSET *st = rd->rrdset;
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netdata_log_debug(D_VARIABLES, "RRDDIMVAR delete for chart id '%s' name '%s', dimension id '%s', name '%s'", rrdset_id(st), rrdset_name(st), rrddim_id(rd), rrddim_name(rd));
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RRDDIMVAR *rs;
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dfe_start_write(st->rrddimvar_root_index, rs) {
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if(unlikely(rs->rrddim == rd))
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dictionary_del(st->rrddimvar_root_index, rs_dfe.name);
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}
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dfe_done(rs);
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}
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