From b485aab7e71c1625cfc27e0f92c9509f42378458 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 13:19:16 +0200 Subject: Adding upstream version 1.45.3+dfsg. Signed-off-by: Daniel Baumann --- database/contexts/instance.c | 536 ------------------------------------------- 1 file changed, 536 deletions(-) delete mode 100644 database/contexts/instance.c (limited to 'database/contexts/instance.c') diff --git a/database/contexts/instance.c b/database/contexts/instance.c deleted file mode 100644 index 39837dbf6..000000000 --- a/database/contexts/instance.c +++ /dev/null @@ -1,536 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "internal.h" - -// ---------------------------------------------------------------------------- -// helper one-liners for RRDINSTANCE - -bool rrdinstance_acquired_id_and_name_are_same(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return ri->id == ri->name; -} - -inline const char *rrdinstance_acquired_id(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return string2str(ri->id); -} - -inline const char *rrdinstance_acquired_name(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return string2str(ri->name); -} - -inline bool rrdinstance_acquired_has_name(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return (ri->name && ri->name != ri->id); -} - -inline const char *rrdinstance_acquired_units(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return string2str(ri->units); -} - -inline STRING *rrdinstance_acquired_units_dup(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return string_dup(ri->units); -} - -inline RRDLABELS *rrdinstance_acquired_labels(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return ri->rrdlabels; -} - -inline DICTIONARY *rrdinstance_acquired_functions(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - if(!ri->rrdset) return NULL; - return ri->rrdset->functions_view; -} - -inline RRDHOST *rrdinstance_acquired_rrdhost(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return ri->rc->rrdhost; -} - -inline bool rrdinstance_acquired_belongs_to_context(RRDINSTANCE_ACQUIRED *ria, RRDCONTEXT_ACQUIRED *rca) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - RRDCONTEXT *rc = rrdcontext_acquired_value(rca); - return ri->rc == rc; -} - -inline time_t rrdinstance_acquired_update_every(RRDINSTANCE_ACQUIRED *ria) { - RRDINSTANCE *ri = rrdinstance_acquired_value(ria); - return ri->update_every_s; -} - -// ---------------------------------------------------------------------------- -// RRDINSTANCE - -static void rrdinstance_free(RRDINSTANCE *ri) { - - if(rrd_flag_check(ri, RRD_FLAG_OWN_LABELS)) - rrdlabels_destroy(ri->rrdlabels); - - rrdmetrics_destroy_from_rrdinstance(ri); - string_freez(ri->id); - string_freez(ri->name); - string_freez(ri->title); - string_freez(ri->units); - string_freez(ri->family); - - ri->id = NULL; - ri->name = NULL; - ri->title = NULL; - ri->units = NULL; - ri->family = NULL; - ri->rc = NULL; - ri->rrdlabels = NULL; - ri->rrdmetrics = NULL; - ri->rrdset = NULL; -} - -static void rrdinstance_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdcontext) { - RRDINSTANCE *ri = value; - - // link it to its parent - ri->rc = rrdcontext; - - ri->flags = ri->flags & RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS; // no need for atomics - - if(!ri->name) - ri->name = string_dup(ri->id); - - if(ri->rrdset) { - ri->rrdlabels = ri->rrdset->rrdlabels; - ri->flags &= ~RRD_FLAG_OWN_LABELS; // no need of atomics at the constructor - } - else { - ri->rrdlabels = rrdlabels_create(); - ri->flags |= RRD_FLAG_OWN_LABELS; // no need of atomics at the constructor - } - - if(ri->rrdset) { - if(unlikely(rrdset_flag_check(ri->rrdset, RRDSET_FLAG_HIDDEN))) - ri->flags |= RRD_FLAG_HIDDEN; // no need of atomics at the constructor - else - ri->flags &= ~RRD_FLAG_HIDDEN; // no need of atomics at the constructor - } - - rrdmetrics_create_in_rrdinstance(ri); - - // signal the react callback to do the job - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_NEW_OBJECT); -} - -static void rrdinstance_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdcontext __maybe_unused) { - RRDINSTANCE *ri = (RRDINSTANCE *)value; - - internal_error(ri->rrdset, "RRDINSTANCE: '%s' is freed but there is a RRDSET linked to it.", string2str(ri->id)); - - rrdinstance_free(ri); -} - -static bool rrdinstance_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *old_value, void *new_value, void *rrdcontext __maybe_unused) { - RRDINSTANCE *ri = (RRDINSTANCE *)old_value; - RRDINSTANCE *ri_new = (RRDINSTANCE *)new_value; - - internal_error(ri->id != ri_new->id, - "RRDINSTANCE: '%s' cannot change id to '%s'", - string2str(ri->id), string2str(ri_new->id)); - - if(uuid_memcmp(&ri->uuid, &ri_new->uuid) != 0) { -#ifdef NETDATA_INTERNAL_CHECKS - char uuid1[UUID_STR_LEN], uuid2[UUID_STR_LEN]; - uuid_unparse(ri->uuid, uuid1); - uuid_unparse(ri_new->uuid, uuid2); - internal_error(true, "RRDINSTANCE: '%s' of host '%s' changed UUID from '%s' to '%s'", - string2str(ri->id), rrdhost_hostname(ri->rc->rrdhost), uuid1, uuid2); -#endif - - uuid_copy(ri->uuid, ri_new->uuid); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->rrdset && ri_new->rrdset && ri->rrdset != ri_new->rrdset) { - ri->rrdset = ri_new->rrdset; - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_LINKING); - } - -#ifdef NETDATA_INTERNAL_CHECKS - if(ri->rrdset && uuid_memcmp(&ri->uuid, &ri->rrdset->chart_uuid) != 0) { - char uuid1[UUID_STR_LEN], uuid2[UUID_STR_LEN]; - uuid_unparse(ri->uuid, uuid1); - uuid_unparse(ri->rrdset->chart_uuid, uuid2); - internal_error(true, "RRDINSTANCE: '%s' is linked to RRDSET '%s' but they have different UUIDs. RRDINSTANCE has '%s', RRDSET has '%s'", string2str(ri->id), rrdset_id(ri->rrdset), uuid1, uuid2); - } -#endif - - if(ri->name != ri_new->name) { - STRING *old = ri->name; - ri->name = string_dup(ri_new->name); - string_freez(old); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->title != ri_new->title) { - STRING *old = ri->title; - ri->title = string_dup(ri_new->title); - string_freez(old); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->units != ri_new->units) { - STRING *old = ri->units; - ri->units = string_dup(ri_new->units); - string_freez(old); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->family != ri_new->family) { - STRING *old = ri->family; - ri->family = string_dup(ri_new->family); - string_freez(old); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->chart_type != ri_new->chart_type) { - ri->chart_type = ri_new->chart_type; - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->priority != ri_new->priority) { - ri->priority = ri_new->priority; - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->update_every_s != ri_new->update_every_s) { - ri->update_every_s = ri_new->update_every_s; - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - - if(ri->rrdset != ri_new->rrdset) { - ri->rrdset = ri_new->rrdset; - - if(ri->rrdset && rrd_flag_check(ri, RRD_FLAG_OWN_LABELS)) { - RRDLABELS *old = ri->rrdlabels; - ri->rrdlabels = ri->rrdset->rrdlabels; - rrd_flag_clear(ri, RRD_FLAG_OWN_LABELS); - rrdlabels_destroy(old); - } - else if(!ri->rrdset && !rrd_flag_check(ri, RRD_FLAG_OWN_LABELS)) { - ri->rrdlabels = rrdlabels_create(); - rrd_flag_set(ri, RRD_FLAG_OWN_LABELS); - } - } - - if(ri->rrdset) { - if(unlikely(rrdset_flag_check(ri->rrdset, RRDSET_FLAG_HIDDEN))) - rrd_flag_set(ri, RRD_FLAG_HIDDEN); - else - rrd_flag_clear(ri, RRD_FLAG_HIDDEN); - } - - rrd_flag_set(ri, ri_new->flags & RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS); // no need for atomics on ri_new - - if(rrd_flag_is_collected(ri) && rrd_flag_is_archived(ri)) - rrd_flag_set_collected(ri); - - if(rrd_flag_is_updated(ri)) - rrd_flag_set(ri, RRD_FLAG_UPDATE_REASON_UPDATED_OBJECT); - - // free the new one - rrdinstance_free(ri_new); - - // the react callback will continue from here - return rrd_flag_is_updated(ri); -} - -static void rrdinstance_react_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdcontext __maybe_unused) { - RRDINSTANCE *ri = value; - - rrdinstance_trigger_updates(ri, __FUNCTION__ ); -} - -void rrdinstances_create_in_rrdcontext(RRDCONTEXT *rc) { - if(unlikely(!rc || rc->rrdinstances)) return; - - rc->rrdinstances = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE, - &dictionary_stats_category_rrdcontext, sizeof(RRDINSTANCE)); - - dictionary_register_insert_callback(rc->rrdinstances, rrdinstance_insert_callback, rc); - dictionary_register_delete_callback(rc->rrdinstances, rrdinstance_delete_callback, rc); - dictionary_register_conflict_callback(rc->rrdinstances, rrdinstance_conflict_callback, rc); - dictionary_register_react_callback(rc->rrdinstances, rrdinstance_react_callback, rc); -} - -void rrdinstances_destroy_from_rrdcontext(RRDCONTEXT *rc) { - if(unlikely(!rc || !rc->rrdinstances)) return; - - dictionary_destroy(rc->rrdinstances); - rc->rrdinstances = NULL; -} - -void rrdinstance_trigger_updates(RRDINSTANCE *ri, const char *function) { - RRDSET *st = ri->rrdset; - - if(likely(st)) { - if(unlikely((unsigned int) st->priority != ri->priority)) { - ri->priority = st->priority; - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - if(unlikely(st->update_every != ri->update_every_s)) { - ri->update_every_s = st->update_every; - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - } - else if(unlikely(rrd_flag_is_collected(ri))) { - // there is no rrdset, but we have it as collected! - - rrd_flag_set_archived(ri); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_LINKING); - } - - if(rrd_flag_is_updated(ri) || !rrd_flag_check(ri, RRD_FLAG_LIVE_RETENTION)) { - rrd_flag_set_updated(ri->rc, RRD_FLAG_UPDATE_REASON_TRIGGERED); - rrdcontext_queue_for_post_processing(ri->rc, function, ri->flags); - } -} - -// ---------------------------------------------------------------------------- -// RRDINSTANCE HOOKS ON RRDSET - -inline void rrdinstance_from_rrdset(RRDSET *st) { - RRDCONTEXT trc = { - .id = string_dup(st->context), - .title = string_dup(st->title), - .units = string_dup(st->units), - .family = string_dup(st->family), - .priority = st->priority, - .chart_type = st->chart_type, - .flags = RRD_FLAG_NONE, // no need for atomics - .rrdhost = st->rrdhost, - }; - - RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_set_and_acquire_item(st->rrdhost->rrdctx.contexts, string2str(trc.id), &trc, sizeof(trc)); - RRDCONTEXT *rc = rrdcontext_acquired_value(rca); - - RRDINSTANCE tri = { - .id = string_dup(st->id), - .name = string_dup(st->name), - .units = string_dup(st->units), - .family = string_dup(st->family), - .title = string_dup(st->title), - .chart_type = st->chart_type, - .priority = st->priority, - .update_every_s = st->update_every, - .flags = RRD_FLAG_NONE, // no need for atomics - .rrdset = st, - }; - uuid_copy(tri.uuid, st->chart_uuid); - - RRDINSTANCE_ACQUIRED *ria = (RRDINSTANCE_ACQUIRED *)dictionary_set_and_acquire_item(rc->rrdinstances, string2str(tri.id), &tri, sizeof(tri)); - - RRDCONTEXT_ACQUIRED *rca_old = st->rrdcontexts.rrdcontext; - RRDINSTANCE_ACQUIRED *ria_old = st->rrdcontexts.rrdinstance; - - st->rrdcontexts.rrdcontext = rca; - st->rrdcontexts.rrdinstance = ria; - - if(rca == rca_old) { - rrdcontext_release(rca_old); - rca_old = NULL; - } - - if(ria == ria_old) { - rrdinstance_release(ria_old); - ria_old = NULL; - } - - if(rca_old && ria_old) { - // Oops! The chart changed context! - - // RRDCONTEXT *rc_old = rrdcontext_acquired_value(rca_old); - RRDINSTANCE *ri_old = rrdinstance_acquired_value(ria_old); - - // migrate all dimensions to the new metrics - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - if (!rd->rrdcontexts.rrdmetric) continue; - - RRDMETRIC *rm_old = rrdmetric_acquired_value(rd->rrdcontexts.rrdmetric); - rrd_flags_replace(rm_old, RRD_FLAG_DELETED|RRD_FLAG_UPDATED|RRD_FLAG_LIVE_RETENTION|RRD_FLAG_UPDATE_REASON_UNUSED|RRD_FLAG_UPDATE_REASON_ZERO_RETENTION); - rm_old->rrddim = NULL; - rm_old->first_time_s = 0; - rm_old->last_time_s = 0; - - rrdmetric_release(rd->rrdcontexts.rrdmetric); - rd->rrdcontexts.rrdmetric = NULL; - - rrdmetric_from_rrddim(rd); - } - rrddim_foreach_done(rd); - - // mark the old instance, ready to be deleted - if(!rrd_flag_check(ri_old, RRD_FLAG_OWN_LABELS)) - ri_old->rrdlabels = rrdlabels_create(); - - rrd_flags_replace(ri_old, RRD_FLAG_OWN_LABELS|RRD_FLAG_DELETED|RRD_FLAG_UPDATED|RRD_FLAG_LIVE_RETENTION|RRD_FLAG_UPDATE_REASON_UNUSED|RRD_FLAG_UPDATE_REASON_ZERO_RETENTION); - ri_old->rrdset = NULL; - ri_old->first_time_s = 0; - ri_old->last_time_s = 0; - - rrdinstance_trigger_updates(ri_old, __FUNCTION__ ); - rrdinstance_release(ria_old); - - /* - // trigger updates on the old context - if(!dictionary_entries(rc_old->rrdinstances) && !dictionary_stats_referenced_items(rc_old->rrdinstances)) { - rrdcontext_lock(rc_old); - rc_old->flags = ((rc_old->flags & RRD_FLAG_QUEUED)?RRD_FLAG_QUEUED:RRD_FLAG_NONE)|RRD_FLAG_DELETED|RRD_FLAG_UPDATED|RRD_FLAG_LIVE_RETENTION|RRD_FLAG_UPDATE_REASON_UNUSED|RRD_FLAG_UPDATE_REASON_ZERO_RETENTION; - rc_old->first_time_s = 0; - rc_old->last_time_s = 0; - rrdcontext_unlock(rc_old); - rrdcontext_trigger_updates(rc_old, __FUNCTION__ ); - } - else - rrdcontext_trigger_updates(rc_old, __FUNCTION__ ); - */ - - rrdcontext_release(rca_old); - rca_old = NULL; - ria_old = NULL; - } - - if(rca_old || ria_old) - fatal("RRDCONTEXT: cannot switch rrdcontext without switching rrdinstance too"); -} - -#define rrdset_get_rrdinstance(st) rrdset_get_rrdinstance_with_trace(st, __FUNCTION__); -static inline RRDINSTANCE *rrdset_get_rrdinstance_with_trace(RRDSET *st, const char *function) { - if(unlikely(!st->rrdcontexts.rrdinstance)) { - netdata_log_error("RRDINSTANCE: RRDSET '%s' is not linked to an RRDINSTANCE at %s()", rrdset_id(st), function); - return NULL; - } - - RRDINSTANCE *ri = rrdinstance_acquired_value(st->rrdcontexts.rrdinstance); - if(unlikely(!ri)) { - netdata_log_error("RRDINSTANCE: RRDSET '%s' lost its link to an RRDINSTANCE at %s()", rrdset_id(st), function); - return NULL; - } - - if(unlikely(ri->rrdset != st)) - fatal("RRDINSTANCE: '%s' is not linked to RRDSET '%s' at %s()", string2str(ri->id), rrdset_id(st), function); - - return ri; -} - -inline void rrdinstance_rrdset_is_freed(RRDSET *st) { - RRDINSTANCE *ri = rrdset_get_rrdinstance(st); - if(unlikely(!ri)) return; - - rrd_flag_set_archived(ri); - - if(!rrd_flag_check(ri, RRD_FLAG_OWN_LABELS)) { - ri->rrdlabels = rrdlabels_create(); - rrdlabels_copy(ri->rrdlabels, st->rrdlabels); - rrd_flag_set(ri, RRD_FLAG_OWN_LABELS); - } - - ri->rrdset = NULL; - - rrdinstance_trigger_updates(ri, __FUNCTION__ ); - - rrdinstance_release(st->rrdcontexts.rrdinstance); - st->rrdcontexts.rrdinstance = NULL; - - rrdcontext_release(st->rrdcontexts.rrdcontext); - st->rrdcontexts.rrdcontext = NULL; - st->rrdcontexts.collected = false; -} - -inline void rrdinstance_rrdset_has_updated_retention(RRDSET *st) { - st->rrdcontexts.collected = false; - - RRDINSTANCE *ri = rrdset_get_rrdinstance(st); - if(unlikely(!ri)) return; - - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION); - rrdinstance_trigger_updates(ri, __FUNCTION__ ); -} - -inline void rrdinstance_updated_rrdset_name(RRDSET *st) { - st->rrdcontexts.collected = false; - - // the chart may not be initialized when this is called - if(unlikely(!st->rrdcontexts.rrdinstance)) return; - - RRDINSTANCE *ri = rrdset_get_rrdinstance(st); - if(unlikely(!ri)) return; - - if(st->name != ri->name) { - STRING *old = ri->name; - ri->name = string_dup(st->name); - string_freez(old); - - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - rrdinstance_trigger_updates(ri, __FUNCTION__ ); - } -} - -inline void rrdinstance_updated_rrdset_flags_no_action(RRDINSTANCE *ri, RRDSET *st) { - if(unlikely(ri->rrdset != st)) - fatal("RRDCONTEXT: instance '%s' is not linked to chart '%s' on host '%s'", - string2str(ri->id), rrdset_id(st), rrdhost_hostname(st->rrdhost)); - - bool st_is_hidden = rrdset_flag_check(st, RRDSET_FLAG_HIDDEN); - bool ri_is_hidden = rrd_flag_check(ri, RRD_FLAG_HIDDEN); - - if(unlikely(st_is_hidden != ri_is_hidden)) { - if (unlikely(st_is_hidden && !ri_is_hidden)) - rrd_flag_set_updated(ri, RRD_FLAG_HIDDEN | RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - - else if (unlikely(!st_is_hidden && ri_is_hidden)) { - rrd_flag_clear(ri, RRD_FLAG_HIDDEN); - rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA); - } - } -} - -inline void rrdinstance_updated_rrdset_flags(RRDSET *st) { - st->rrdcontexts.collected = false; - - RRDINSTANCE *ri = rrdset_get_rrdinstance(st); - if(unlikely(!ri)) return; - - if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE))) - rrd_flag_set_archived(ri); - - rrdinstance_updated_rrdset_flags_no_action(ri, st); - - rrdinstance_trigger_updates(ri, __FUNCTION__ ); -} - -inline void rrdinstance_collected_rrdset(RRDSET *st) { - if(st->rrdcontexts.collected) - return; - - st->rrdcontexts.collected = true; - - RRDINSTANCE *ri = rrdset_get_rrdinstance(st); - if(unlikely(!ri)) { - rrdcontext_updated_rrdset(st); - ri = rrdset_get_rrdinstance(st); - if(unlikely(!ri)) - return; - } - - rrdinstance_updated_rrdset_flags_no_action(ri, st); - - if(unlikely(ri->internal.collected_metrics_count && !rrd_flag_is_collected(ri))) - rrd_flag_set_collected(ri); - - // we use this variable to detect BEGIN/END without SET - ri->internal.collected_metrics_count = 0; - - rrdinstance_trigger_updates(ri, __FUNCTION__ ); -} - -- cgit v1.2.3