69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#define NETDATA_RRD_INTERNALS
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#include "rrd.h"
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typedef struct rrdfamily {
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STRING *family;
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DICTIONARY *rrdvars;
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} RRDFAMILY;
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// ----------------------------------------------------------------------------
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// RRDFAMILY index
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struct rrdfamily_constructor {
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const char *family;
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};
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static void rrdfamily_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdfamily, void *constructor_data) {
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RRDFAMILY *rf = rrdfamily;
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struct rrdfamily_constructor *ctr = constructor_data;
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rf->family = string_strdupz(ctr->family);
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rf->rrdvars = rrdvariables_create();
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}
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static void rrdfamily_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *rrdfamily, void *rrdhost __maybe_unused) {
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RRDFAMILY *rf = rrdfamily;
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string_freez(rf->family);
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rrdvariables_destroy(rf->rrdvars);
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rf->family = NULL;
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rf->rrdvars = NULL;
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}
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void rrdfamily_index_init(RRDHOST *host) {
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if(!host->rrdfamily_root_index) {
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host->rrdfamily_root_index = dictionary_create(DICT_OPTION_DONT_OVERWRITE_VALUE);
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dictionary_register_insert_callback(host->rrdfamily_root_index, rrdfamily_insert_callback, NULL);
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dictionary_register_delete_callback(host->rrdfamily_root_index, rrdfamily_delete_callback, host);
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}
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}
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void rrdfamily_index_destroy(RRDHOST *host) {
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dictionary_destroy(host->rrdfamily_root_index);
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host->rrdfamily_root_index = NULL;
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}
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// ----------------------------------------------------------------------------
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// RRDFAMILY management
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const RRDFAMILY_ACQUIRED *rrdfamily_add_and_acquire(RRDHOST *host, const char *id) {
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struct rrdfamily_constructor tmp = {
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.family = id,
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};
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return (const RRDFAMILY_ACQUIRED *)dictionary_set_and_acquire_item_advanced(host->rrdfamily_root_index, id, -1, NULL, sizeof(RRDFAMILY), &tmp);
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}
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void rrdfamily_release(RRDHOST *host, const RRDFAMILY_ACQUIRED *rfa) {
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if(unlikely(!rfa)) return;
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dictionary_acquired_item_release(host->rrdfamily_root_index, (const DICTIONARY_ITEM *)rfa);
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}
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DICTIONARY *rrdfamily_rrdvars_dict(const RRDFAMILY_ACQUIRED *rfa) {
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if(unlikely(!rfa)) return NULL;
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RRDFAMILY *rf = dictionary_acquired_item_value((const DICTIONARY_ITEM *)rfa);
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return(rf->rrdvars);
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}
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