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authorDaniel Baumann <daniel.baumann@progress-linux.org>2023-05-08 16:27:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2023-05-08 16:27:04 +0000
commita836a244a3d2bdd4da1ee2641e3e957850668cea (patch)
treecb87c75b3677fab7144f868435243f864048a1e6 /database/rrdcontext.c
parentAdding upstream version 1.38.1. (diff)
downloadnetdata-a836a244a3d2bdd4da1ee2641e3e957850668cea.tar.xz
netdata-a836a244a3d2bdd4da1ee2641e3e957850668cea.zip
Adding upstream version 1.39.0.upstream/1.39.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'database/rrdcontext.c')
-rw-r--r--database/rrdcontext.c3993
1 files changed, 0 insertions, 3993 deletions
diff --git a/database/rrdcontext.c b/database/rrdcontext.c
deleted file mode 100644
index 3f1ce73f8..000000000
--- a/database/rrdcontext.c
+++ /dev/null
@@ -1,3993 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "rrdcontext.h"
-#include "sqlite/sqlite_context.h"
-#include "aclk/schema-wrappers/context.h"
-#include "aclk/aclk_contexts_api.h"
-#include "aclk/aclk.h"
-#include "storage_engine.h"
-
-#define MESSAGES_PER_BUNDLE_TO_SEND_TO_HUB_PER_HOST 5000
-#define FULL_RETENTION_SCAN_DELAY_AFTER_DB_ROTATION_SECS 120
-#define RRDCONTEXT_WORKER_THREAD_HEARTBEAT_USEC (1000 * USEC_PER_MS)
-#define RRDCONTEXT_MINIMUM_ALLOWED_PRIORITY 10
-
-#define LOG_TRANSITIONS false
-
-#define WORKER_JOB_HOSTS 1
-#define WORKER_JOB_CHECK 2
-#define WORKER_JOB_SEND 3
-#define WORKER_JOB_DEQUEUE 4
-#define WORKER_JOB_RETENTION 5
-#define WORKER_JOB_QUEUED 6
-#define WORKER_JOB_CLEANUP 7
-#define WORKER_JOB_CLEANUP_DELETE 8
-#define WORKER_JOB_PP_METRIC 9 // post-processing metrics
-#define WORKER_JOB_PP_INSTANCE 10 // post-processing instances
-#define WORKER_JOB_PP_CONTEXT 11 // post-processing contexts
-#define WORKER_JOB_HUB_QUEUE_SIZE 12
-#define WORKER_JOB_PP_QUEUE_SIZE 13
-
-
-typedef enum __attribute__ ((__packed__)) {
- RRD_FLAG_NONE = 0,
- RRD_FLAG_DELETED = (1 << 0), // this is a deleted object (metrics, instances, contexts)
- RRD_FLAG_COLLECTED = (1 << 1), // this object is currently being collected
- RRD_FLAG_UPDATED = (1 << 2), // this object has updates to propagate
- RRD_FLAG_ARCHIVED = (1 << 3), // this object is not currently being collected
- RRD_FLAG_OWN_LABELS = (1 << 4), // this instance has its own labels - not linked to an RRDSET
- RRD_FLAG_LIVE_RETENTION = (1 << 5), // we have got live retention from the database
- RRD_FLAG_QUEUED_FOR_HUB = (1 << 6), // this context is currently queued to be dispatched to hub
- RRD_FLAG_QUEUED_FOR_PP = (1 << 7), // this context is currently queued to be post-processed
- RRD_FLAG_HIDDEN = (1 << 8), // don't expose this to the hub or the API
-
- RRD_FLAG_UPDATE_REASON_TRIGGERED = (1 << 9), // the update was triggered by the child object
- RRD_FLAG_UPDATE_REASON_LOAD_SQL = (1 << 10), // this object has just been loaded from SQL
- RRD_FLAG_UPDATE_REASON_NEW_OBJECT = (1 << 11), // this object has just been created
- RRD_FLAG_UPDATE_REASON_UPDATED_OBJECT = (1 << 12), // we received an update on this object
- RRD_FLAG_UPDATE_REASON_CHANGED_LINKING = (1 << 13), // an instance or a metric switched RRDSET or RRDDIM
- RRD_FLAG_UPDATE_REASON_CHANGED_METADATA = (1 << 14), // this context or instance changed uuid, name, units, title, family, chart type, priority, update every, rrd changed flags
- RRD_FLAG_UPDATE_REASON_ZERO_RETENTION = (1 << 15), // this object has no retention
- RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T = (1 << 16), // this object changed its oldest time in the db
- RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T = (1 << 17), // this object change its latest time in the db
- RRD_FLAG_UPDATE_REASON_STOPPED_BEING_COLLECTED = (1 << 18), // this object has stopped being collected
- RRD_FLAG_UPDATE_REASON_STARTED_BEING_COLLECTED = (1 << 19), // this object has started being collected
- RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD = (1 << 20), // this context belongs to a host that just disconnected
- RRD_FLAG_UPDATE_REASON_UNUSED = (1 << 21), // this context is not used anymore
- RRD_FLAG_UPDATE_REASON_DB_ROTATION = (1 << 22), // this context changed because of a db rotation
-
- // action to perform on an object
- RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION = (1 << 30), // this object has to update its retention from the db
-} RRD_FLAGS;
-
-#define RRD_FLAG_ALL_UPDATE_REASONS ( \
- RRD_FLAG_UPDATE_REASON_TRIGGERED \
- |RRD_FLAG_UPDATE_REASON_LOAD_SQL \
- |RRD_FLAG_UPDATE_REASON_NEW_OBJECT \
- |RRD_FLAG_UPDATE_REASON_UPDATED_OBJECT \
- |RRD_FLAG_UPDATE_REASON_CHANGED_LINKING \
- |RRD_FLAG_UPDATE_REASON_CHANGED_METADATA \
- |RRD_FLAG_UPDATE_REASON_ZERO_RETENTION \
- |RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T \
- |RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T \
- |RRD_FLAG_UPDATE_REASON_STOPPED_BEING_COLLECTED \
- |RRD_FLAG_UPDATE_REASON_STARTED_BEING_COLLECTED \
- |RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD \
- |RRD_FLAG_UPDATE_REASON_DB_ROTATION \
- |RRD_FLAG_UPDATE_REASON_UNUSED \
- )
-
-#define RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS ( \
- RRD_FLAG_ARCHIVED \
- |RRD_FLAG_HIDDEN \
- |RRD_FLAG_ALL_UPDATE_REASONS \
- )
-
-#define RRD_FLAGS_REQUIRED_FOR_DELETIONS ( \
- RRD_FLAG_DELETED \
- |RRD_FLAG_LIVE_RETENTION \
-)
-
-#define RRD_FLAGS_PREVENTING_DELETIONS ( \
- RRD_FLAG_QUEUED_FOR_HUB \
- |RRD_FLAG_COLLECTED \
- |RRD_FLAG_QUEUED_FOR_PP \
-)
-
-// get all the flags of an object
-#define rrd_flags_get(obj) __atomic_load_n(&((obj)->flags), __ATOMIC_SEQ_CST)
-
-// check if ANY of the given flags (bits) is set
-#define rrd_flag_check(obj, flag) (rrd_flags_get(obj) & (flag))
-
-// check if ALL the given flags (bits) are set
-#define rrd_flag_check_all(obj, flag) (rrd_flag_check(obj, flag) == (flag))
-
-// set one or more flags (bits)
-#define rrd_flag_set(obj, flag) __atomic_or_fetch(&((obj)->flags), flag, __ATOMIC_SEQ_CST)
-
-// clear one or more flags (bits)
-#define rrd_flag_clear(obj, flag) __atomic_and_fetch(&((obj)->flags), ~(flag), __ATOMIC_SEQ_CST)
-
-// replace the flags of an object, with the supplied ones
-#define rrd_flags_replace(obj, all_flags) __atomic_store_n(&((obj)->flags), all_flags, __ATOMIC_SEQ_CST)
-
-static inline void
-rrd_flag_add_remove_atomic(RRD_FLAGS *flags, RRD_FLAGS check, RRD_FLAGS conditionally_add, RRD_FLAGS always_remove) {
- RRD_FLAGS expected, desired;
-
- do {
- expected = *flags;
-
- desired = expected;
- desired &= ~(always_remove);
-
- if(!(expected & check))
- desired |= (check | conditionally_add);
-
- } while(!__atomic_compare_exchange_n(flags, &expected, desired, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST));
-}
-
-#define rrd_flag_set_collected(obj) \
- rrd_flag_add_remove_atomic(&((obj)->flags) \
- /* check this flag */ \
- , RRD_FLAG_COLLECTED \
- \
- /* add these flags together with the above, if the above is not already set */ \
- , RRD_FLAG_UPDATE_REASON_STARTED_BEING_COLLECTED | RRD_FLAG_UPDATED \
- \
- /* always remove these flags */ \
- , RRD_FLAG_ARCHIVED \
- | RRD_FLAG_DELETED \
- | RRD_FLAG_UPDATE_REASON_STOPPED_BEING_COLLECTED \
- | RRD_FLAG_UPDATE_REASON_ZERO_RETENTION \
- | RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD \
- )
-
-#define rrd_flag_set_archived(obj) \
- rrd_flag_add_remove_atomic(&((obj)->flags) \
- /* check this flag */ \
- , RRD_FLAG_ARCHIVED \
- \
- /* add these flags together with the above, if the above is not already set */ \
- , RRD_FLAG_UPDATE_REASON_STOPPED_BEING_COLLECTED | RRD_FLAG_UPDATED \
- \
- /* always remove these flags */ \
- , RRD_FLAG_COLLECTED \
- | RRD_FLAG_DELETED \
- | RRD_FLAG_UPDATE_REASON_STARTED_BEING_COLLECTED \
- | RRD_FLAG_UPDATE_REASON_ZERO_RETENTION \
- )
-
-#define rrd_flag_set_deleted(obj, reason) \
- rrd_flag_add_remove_atomic(&((obj)->flags) \
- /* check this flag */ \
- , RRD_FLAG_DELETED \
- \
- /* add these flags together with the above, if the above is not already set */ \
- , RRD_FLAG_UPDATE_REASON_ZERO_RETENTION | RRD_FLAG_UPDATED | (reason) \
- \
- /* always remove these flags */ \
- , RRD_FLAG_ARCHIVED \
- | RRD_FLAG_COLLECTED \
- )
-
-#define rrd_flag_is_collected(obj) rrd_flag_check(obj, RRD_FLAG_COLLECTED)
-#define rrd_flag_is_archived(obj) rrd_flag_check(obj, RRD_FLAG_ARCHIVED)
-#define rrd_flag_is_deleted(obj) rrd_flag_check(obj, RRD_FLAG_DELETED)
-#define rrd_flag_is_updated(obj) rrd_flag_check(obj, RRD_FLAG_UPDATED)
-
-// mark an object as updated, providing reasons (additional bits)
-#define rrd_flag_set_updated(obj, reason) rrd_flag_set(obj, RRD_FLAG_UPDATED | (reason))
-
-// clear an object as being updated, clearing also all the reasons
-#define rrd_flag_unset_updated(obj) rrd_flag_clear(obj, RRD_FLAG_UPDATED | RRD_FLAG_ALL_UPDATE_REASONS)
-
-
-static struct rrdcontext_reason {
- RRD_FLAGS flag;
- const char *name;
- usec_t delay_ut;
-} rrdcontext_reasons[] = {
- // context related
- {RRD_FLAG_UPDATE_REASON_TRIGGERED, "triggered transition", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_NEW_OBJECT, "object created", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_UPDATED_OBJECT, "object updated", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_LOAD_SQL, "loaded from sql", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_CHANGED_METADATA, "changed metadata", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_ZERO_RETENTION, "has no retention", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T, "updated first_time_t", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T, "updated last_time_t", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_STOPPED_BEING_COLLECTED, "stopped collected", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_STARTED_BEING_COLLECTED, "started collected", 5 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_UNUSED, "unused", 5 * USEC_PER_SEC },
-
- // not context related
- {RRD_FLAG_UPDATE_REASON_CHANGED_LINKING, "changed rrd link", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD, "child disconnected", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_DB_ROTATION, "db rotation", 65 * USEC_PER_SEC },
- {RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION, "updated retention", 65 * USEC_PER_SEC },
-
- // terminator
- {0, NULL, 0 },
-};
-
-
-typedef struct rrdmetric {
- uuid_t uuid;
-
- STRING *id;
- STRING *name;
-
- RRDDIM *rrddim;
-
- time_t first_time_s;
- time_t last_time_s;
- RRD_FLAGS flags;
-
- struct rrdinstance *ri;
-} RRDMETRIC;
-
-typedef struct rrdinstance {
- uuid_t uuid;
-
- STRING *id;
- STRING *name;
- STRING *title;
- STRING *units;
- STRING *family;
- uint32_t priority;
- RRDSET_TYPE chart_type;
-
- RRD_FLAGS flags; // flags related to this instance
- time_t first_time_s;
- time_t last_time_s;
-
- time_t update_every_s; // data collection frequency
- RRDSET *rrdset; // pointer to RRDSET when collected, or NULL
-
- DICTIONARY *rrdlabels; // linked to RRDSET->chart_labels or own version
-
- struct rrdcontext *rc;
- DICTIONARY *rrdmetrics;
-
- struct {
- uint32_t collected_metrics_count; // a temporary variable to detect BEGIN/END without SET
- // don't use it for other purposes
- // it goes up and then resets to zero, on every iteration
- } internal;
-} RRDINSTANCE;
-
-typedef struct rrdcontext {
- uint64_t version;
-
- STRING *id;
- STRING *title;
- STRING *units;
- STRING *family;
- uint32_t priority;
- RRDSET_TYPE chart_type;
-
- RRD_FLAGS flags;
- time_t first_time_s;
- time_t last_time_s;
-
- VERSIONED_CONTEXT_DATA hub;
-
- DICTIONARY *rrdinstances;
- RRDHOST *rrdhost;
-
- struct {
- RRD_FLAGS queued_flags; // the last flags that triggered the post-processing
- usec_t queued_ut; // the last time this was queued
- usec_t dequeued_ut; // the last time we sent (or deduplicated) this context
- size_t executions; // how many times this context has been processed
- } pp;
-
- struct {
- RRD_FLAGS queued_flags; // the last flags that triggered the queueing
- usec_t queued_ut; // the last time this was queued
- usec_t delay_calc_ut; // the last time we calculated the scheduled_dispatched_ut
- usec_t scheduled_dispatch_ut; // the time it was/is scheduled to be sent
- usec_t dequeued_ut; // the last time we sent (or deduplicated) this context
- size_t dispatches; // the number of times this has been dispatched to hub
- } queue;
-
- netdata_mutex_t mutex;
-} RRDCONTEXT;
-
-// ----------------------------------------------------------------------------
-// helper one-liners for RRDMETRIC
-
-static bool rrdmetric_update_retention(RRDMETRIC *rm);
-
-static inline RRDMETRIC *rrdmetric_acquired_value(RRDMETRIC_ACQUIRED *rma) {
- return dictionary_acquired_item_value((DICTIONARY_ITEM *)rma);
-}
-
-static inline RRDMETRIC_ACQUIRED *rrdmetric_acquired_dup(RRDMETRIC_ACQUIRED *rma) {
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
- return (RRDMETRIC_ACQUIRED *)dictionary_acquired_item_dup(rm->ri->rrdmetrics, (DICTIONARY_ITEM *)rma);
-}
-
-static inline void rrdmetric_release(RRDMETRIC_ACQUIRED *rma) {
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
- dictionary_acquired_item_release(rm->ri->rrdmetrics, (DICTIONARY_ITEM *)rma);
-}
-
-const char *rrdmetric_acquired_id(RRDMETRIC_ACQUIRED *rma) {
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
- return string2str(rm->id);
-}
-
-const char *rrdmetric_acquired_name(RRDMETRIC_ACQUIRED *rma) {
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
- return string2str(rm->name);
-}
-
-NETDATA_DOUBLE rrdmetric_acquired_last_stored_value(RRDMETRIC_ACQUIRED *rma) {
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
-
- if(rm->rrddim)
- return rm->rrddim->last_stored_value;
-
- return NAN;
-}
-
-// ----------------------------------------------------------------------------
-// helper one-liners for RRDINSTANCE
-
-static inline RRDINSTANCE *rrdinstance_acquired_value(RRDINSTANCE_ACQUIRED *ria) {
- return dictionary_acquired_item_value((DICTIONARY_ITEM *)ria);
-}
-
-static inline RRDINSTANCE_ACQUIRED *rrdinstance_acquired_dup(RRDINSTANCE_ACQUIRED *ria) {
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- return (RRDINSTANCE_ACQUIRED *)dictionary_acquired_item_dup(ri->rc->rrdinstances, (DICTIONARY_ITEM *)ria);
-}
-
-static inline void rrdinstance_release(RRDINSTANCE_ACQUIRED *ria) {
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- dictionary_acquired_item_release(ri->rc->rrdinstances, (DICTIONARY_ITEM *)ria);
-}
-
-const char *rrdinstance_acquired_id(RRDINSTANCE_ACQUIRED *ria) {
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- return string2str(ri->id);
-}
-
-const char *rrdinstance_acquired_name(RRDINSTANCE_ACQUIRED *ria) {
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- return string2str(ri->name);
-}
-
-DICTIONARY *rrdinstance_acquired_labels(RRDINSTANCE_ACQUIRED *ria) {
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- return ri->rrdlabels;
-}
-
-DICTIONARY *rrdinstance_acquired_functions(RRDINSTANCE_ACQUIRED *ria) {
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- if(!ri->rrdset) return NULL;
- return ri->rrdset->functions_view;
-}
-
-// ----------------------------------------------------------------------------
-// helper one-liners for RRDCONTEXT
-
-static inline RRDCONTEXT *rrdcontext_acquired_value(RRDCONTEXT_ACQUIRED *rca) {
- return dictionary_acquired_item_value((DICTIONARY_ITEM *)rca);
-}
-
-const char *rrdcontext_acquired_id(RRDCONTEXT_ACQUIRED *rca) {
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
- return string2str(rc->id);
-}
-
-static inline RRDCONTEXT_ACQUIRED *rrdcontext_acquired_dup(RRDCONTEXT_ACQUIRED *rca) {
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
- return (RRDCONTEXT_ACQUIRED *)dictionary_acquired_item_dup((DICTIONARY *)rc->rrdhost->rrdctx, (DICTIONARY_ITEM *)rca);
-}
-
-static inline void rrdcontext_release(RRDCONTEXT_ACQUIRED *rca) {
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
- dictionary_acquired_item_release((DICTIONARY *)rc->rrdhost->rrdctx, (DICTIONARY_ITEM *)rca);
-}
-
-static void rrdcontext_recalculate_context_retention(RRDCONTEXT *rc, RRD_FLAGS reason, bool worker_jobs);
-static void rrdcontext_recalculate_host_retention(RRDHOST *host, RRD_FLAGS reason, bool worker_jobs);
-
-#define rrdcontext_version_hash(host) rrdcontext_version_hash_with_callback(host, NULL, false, NULL)
-static uint64_t rrdcontext_version_hash_with_callback(RRDHOST *host, void (*callback)(RRDCONTEXT *, bool, void *), bool snapshot, void *bundle);
-
-static void rrdcontext_garbage_collect_single_host(RRDHOST *host, bool worker_jobs);
-static void rrdcontext_garbage_collect_for_all_hosts(void);
-
-#define rrdcontext_lock(rc) netdata_mutex_lock(&((rc)->mutex))
-#define rrdcontext_unlock(rc) netdata_mutex_unlock(&((rc)->mutex))
-
-// ----------------------------------------------------------------------------
-// Forward definitions
-
-static uint64_t rrdcontext_get_next_version(RRDCONTEXT *rc);
-static bool check_if_cloud_version_changed_unsafe(RRDCONTEXT *rc, bool sending __maybe_unused);
-static void rrdcontext_message_send_unsafe(RRDCONTEXT *rc, bool snapshot __maybe_unused, void *bundle __maybe_unused);
-
-static void rrdcontext_delete_from_sql_unsafe(RRDCONTEXT *rc);
-
-static void rrdcontext_dequeue_from_post_processing(RRDCONTEXT *rc);
-static void rrdcontext_queue_for_post_processing(RRDCONTEXT *rc, const char *function, RRD_FLAGS flags);
-static void rrdcontext_post_process_updates(RRDCONTEXT *rc, bool force, RRD_FLAGS reason, bool worker_jobs);
-
-static void rrdmetric_trigger_updates(RRDMETRIC *rm, const char *function);
-static void rrdinstance_trigger_updates(RRDINSTANCE *ri, const char *function);
-static void rrdcontext_trigger_updates(RRDCONTEXT *rc, const char *function);
-
-// ----------------------------------------------------------------------------
-// visualizing flags
-
-static void rrd_flags_to_buffer(RRD_FLAGS flags, BUFFER *wb) {
- if(flags & RRD_FLAG_QUEUED_FOR_HUB)
- buffer_strcat(wb, "QUEUED ");
-
- if(flags & RRD_FLAG_DELETED)
- buffer_strcat(wb, "DELETED ");
-
- if(flags & RRD_FLAG_COLLECTED)
- buffer_strcat(wb, "COLLECTED ");
-
- if(flags & RRD_FLAG_UPDATED)
- buffer_strcat(wb, "UPDATED ");
-
- if(flags & RRD_FLAG_ARCHIVED)
- buffer_strcat(wb, "ARCHIVED ");
-
- if(flags & RRD_FLAG_OWN_LABELS)
- buffer_strcat(wb, "OWN_LABELS ");
-
- if(flags & RRD_FLAG_LIVE_RETENTION)
- buffer_strcat(wb, "LIVE_RETENTION ");
-
- if(flags & RRD_FLAG_HIDDEN)
- buffer_strcat(wb, "HIDDEN ");
-
- if(flags & RRD_FLAG_QUEUED_FOR_PP)
- buffer_strcat(wb, "PENDING_UPDATES ");
-}
-
-static void rrd_reasons_to_buffer(RRD_FLAGS flags, BUFFER *wb) {
- for(int i = 0, added = 0; rrdcontext_reasons[i].name ; i++) {
- if (flags & rrdcontext_reasons[i].flag) {
- if (added)
- buffer_strcat(wb, ", ");
- buffer_strcat(wb, rrdcontext_reasons[i].name);
- added++;
- }
- }
-}
-
-// ----------------------------------------------------------------------------
-// RRDMETRIC
-
-// free the contents of RRDMETRIC.
-// RRDMETRIC itself is managed by DICTIONARY - no need to free it here.
-static void rrdmetric_free(RRDMETRIC *rm) {
- string_freez(rm->id);
- string_freez(rm->name);
-
- rm->id = NULL;
- rm->name = NULL;
- rm->ri = NULL;
-}
-
-// called when this rrdmetric is inserted to the rrdmetrics dictionary of a rrdinstance
-// the constructor of the rrdmetric object
-static void rrdmetric_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdinstance) {
- RRDMETRIC *rm = value;
-
- // link it to its parent
- rm->ri = rrdinstance;
-
- // remove flags that we need to figure out at runtime
- rm->flags = rm->flags & RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS; // no need for atomics
-
- // signal the react callback to do the job
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_NEW_OBJECT);
-}
-
-// called when this rrdmetric is deleted from the rrdmetrics dictionary of a rrdinstance
-// the destructor of the rrdmetric object
-static void rrdmetric_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdinstance __maybe_unused) {
- RRDMETRIC *rm = value;
-
- internal_error(rm->rrddim, "RRDMETRIC: '%s' is freed but there is a RRDDIM linked to it.", string2str(rm->id));
-
- // free the resources
- rrdmetric_free(rm);
-}
-
-// called when the same rrdmetric is inserted again to the rrdmetrics dictionary of a rrdinstance
-// while this is called, the dictionary is write locked, but there may be other users of the object
-static bool rrdmetric_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *old_value, void *new_value, void *rrdinstance __maybe_unused) {
- RRDMETRIC *rm = old_value;
- RRDMETRIC *rm_new = new_value;
-
- internal_error(rm->id != rm_new->id,
- "RRDMETRIC: '%s' cannot change id to '%s'",
- string2str(rm->id), string2str(rm_new->id));
-
- if(uuid_compare(rm->uuid, rm_new->uuid) != 0) {
-#ifdef NETDATA_INTERNAL_CHECKS
- char uuid1[UUID_STR_LEN], uuid2[UUID_STR_LEN];
- uuid_unparse(rm->uuid, uuid1);
- uuid_unparse(rm_new->uuid, uuid2);
-
- time_t old_first_time_s = 0;
- time_t old_last_time_s = 0;
- if(rrdmetric_update_retention(rm)) {
- old_first_time_s = rm->first_time_s;
- old_last_time_s = rm->last_time_s;
- }
-
- uuid_copy(rm->uuid, rm_new->uuid);
-
- time_t new_first_time_s = 0;
- time_t new_last_time_s = 0;
- if(rrdmetric_update_retention(rm)) {
- new_first_time_s = rm->first_time_s;
- new_last_time_s = rm->last_time_s;
- }
-
- internal_error(true,
- "RRDMETRIC: '%s' of instance '%s' of host '%s' changed UUID from '%s' (retention %ld to %ld, %ld secs) to '%s' (retention %ld to %ld, %ld secs)"
- , string2str(rm->id)
- , string2str(rm->ri->id)
- , rrdhost_hostname(rm->ri->rc->rrdhost)
- , uuid1, old_first_time_s, old_last_time_s, old_last_time_s - old_first_time_s
- , uuid2, new_first_time_s, new_last_time_s, new_last_time_s - new_first_time_s
- );
-#else
- uuid_copy(rm->uuid, rm_new->uuid);
-#endif
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- if(rm->rrddim && rm_new->rrddim && rm->rrddim != rm_new->rrddim) {
- rm->rrddim = rm_new->rrddim;
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_LINKING);
- }
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(rm->rrddim && uuid_compare(rm->uuid, rm->rrddim->metric_uuid) != 0) {
- char uuid1[UUID_STR_LEN], uuid2[UUID_STR_LEN];
- uuid_unparse(rm->uuid, uuid1);
- uuid_unparse(rm_new->uuid, uuid2);
- internal_error(true, "RRDMETRIC: '%s' is linked to RRDDIM '%s' but they have different UUIDs. RRDMETRIC has '%s', RRDDIM has '%s'", string2str(rm->id), rrddim_id(rm->rrddim), uuid1, uuid2);
- }
-#endif
-
- if(rm->rrddim != rm_new->rrddim)
- rm->rrddim = rm_new->rrddim;
-
- if(rm->name != rm_new->name) {
- STRING *old = rm->name;
- rm->name = string_dup(rm_new->name);
- string_freez(old);
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- if(!rm->first_time_s || (rm_new->first_time_s && rm_new->first_time_s < rm->first_time_s)) {
- rm->first_time_s = rm_new->first_time_s;
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if(!rm->last_time_s || (rm_new->last_time_s && rm_new->last_time_s > rm->last_time_s)) {
- rm->last_time_s = rm_new->last_time_s;
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- rrd_flag_set(rm, rm_new->flags & RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS); // no needs for atomics on rm_new
-
- if(rrd_flag_is_collected(rm) && rrd_flag_is_archived(rm))
- rrd_flag_set_collected(rm);
-
- if(rrd_flag_check(rm, RRD_FLAG_UPDATED))
- rrd_flag_set(rm, RRD_FLAG_UPDATE_REASON_UPDATED_OBJECT);
-
- rrdmetric_free(rm_new);
-
- // the react callback will continue from here
- return rrd_flag_is_updated(rm);
-}
-
-// this is called after the insert or the conflict callbacks,
-// but the dictionary is now unlocked
-static void rrdmetric_react_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdinstance __maybe_unused) {
- RRDMETRIC *rm = value;
- rrdmetric_trigger_updates(rm, __FUNCTION__ );
-}
-
-static void rrdmetrics_create_in_rrdinstance(RRDINSTANCE *ri) {
- if(unlikely(!ri)) return;
- if(likely(ri->rrdmetrics)) return;
-
- ri->rrdmetrics = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE,
- &dictionary_stats_category_rrdcontext, sizeof(RRDMETRIC));
-
- dictionary_register_insert_callback(ri->rrdmetrics, rrdmetric_insert_callback, ri);
- dictionary_register_delete_callback(ri->rrdmetrics, rrdmetric_delete_callback, ri);
- dictionary_register_conflict_callback(ri->rrdmetrics, rrdmetric_conflict_callback, ri);
- dictionary_register_react_callback(ri->rrdmetrics, rrdmetric_react_callback, ri);
-}
-
-static void rrdmetrics_destroy_from_rrdinstance(RRDINSTANCE *ri) {
- if(unlikely(!ri || !ri->rrdmetrics)) return;
- dictionary_destroy(ri->rrdmetrics);
- ri->rrdmetrics = NULL;
-}
-
-// trigger post-processing of the rrdmetric, escalating changes to the rrdinstance it belongs
-static void rrdmetric_trigger_updates(RRDMETRIC *rm, const char *function) {
- if(unlikely(rrd_flag_is_collected(rm)) && (!rm->rrddim || rrd_flag_check(rm, RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD)))
- rrd_flag_set_archived(rm);
-
- if(rrd_flag_is_updated(rm) || !rrd_flag_check(rm, RRD_FLAG_LIVE_RETENTION)) {
- rrd_flag_set_updated(rm->ri, RRD_FLAG_UPDATE_REASON_TRIGGERED);
- rrdcontext_queue_for_post_processing(rm->ri->rc, function, rm->flags);
- }
-}
-
-// ----------------------------------------------------------------------------
-// RRDMETRIC HOOKS ON RRDDIM
-
-static inline void rrdmetric_from_rrddim(RRDDIM *rd) {
- if(unlikely(!rd->rrdset))
- fatal("RRDMETRIC: rrddim '%s' does not have a rrdset.", rrddim_id(rd));
-
- if(unlikely(!rd->rrdset->rrdhost))
- fatal("RRDMETRIC: rrdset '%s' does not have a rrdhost", rrdset_id(rd->rrdset));
-
- if(unlikely(!rd->rrdset->rrdinstance))
- fatal("RRDMETRIC: rrdset '%s' does not have a rrdinstance", rrdset_id(rd->rrdset));
-
- RRDINSTANCE *ri = rrdinstance_acquired_value(rd->rrdset->rrdinstance);
-
- RRDMETRIC trm = {
- .id = string_dup(rd->id),
- .name = string_dup(rd->name),
- .flags = RRD_FLAG_NONE, // no need for atomics
- .rrddim = rd,
- };
- uuid_copy(trm.uuid, rd->metric_uuid);
-
- RRDMETRIC_ACQUIRED *rma = (RRDMETRIC_ACQUIRED *)dictionary_set_and_acquire_item(ri->rrdmetrics, string2str(trm.id), &trm, sizeof(trm));
-
- if(rd->rrdmetric)
- rrdmetric_release(rd->rrdmetric);
-
- rd->rrdmetric = rma;
-}
-
-#define rrddim_get_rrdmetric(rd) rrddim_get_rrdmetric_with_trace(rd, __FUNCTION__)
-static inline RRDMETRIC *rrddim_get_rrdmetric_with_trace(RRDDIM *rd, const char *function) {
- if(unlikely(!rd->rrdmetric)) {
- error("RRDMETRIC: RRDDIM '%s' is not linked to an RRDMETRIC at %s()", rrddim_id(rd), function);
- return NULL;
- }
-
- RRDMETRIC *rm = rrdmetric_acquired_value(rd->rrdmetric);
- if(unlikely(!rm)) {
- error("RRDMETRIC: RRDDIM '%s' lost the link to its RRDMETRIC at %s()", rrddim_id(rd), function);
- return NULL;
- }
-
- if(unlikely(rm->rrddim != rd))
- fatal("RRDMETRIC: '%s' is not linked to RRDDIM '%s' at %s()", string2str(rm->id), rrddim_id(rd), function);
-
- return rm;
-}
-
-static inline void rrdmetric_rrddim_is_freed(RRDDIM *rd) {
- RRDMETRIC *rm = rrddim_get_rrdmetric(rd);
- if(unlikely(!rm)) return;
-
- if(unlikely(rrd_flag_is_collected(rm)))
- rrd_flag_set_archived(rm);
-
- rm->rrddim = NULL;
- rrdmetric_trigger_updates(rm, __FUNCTION__ );
- rrdmetric_release(rd->rrdmetric);
- rd->rrdmetric = NULL;
-}
-
-static inline void rrdmetric_updated_rrddim_flags(RRDDIM *rd) {
- RRDMETRIC *rm = rrddim_get_rrdmetric(rd);
- if(unlikely(!rm)) return;
-
- if(unlikely(rrddim_flag_check(rd, RRDDIM_FLAG_ARCHIVED|RRDDIM_FLAG_OBSOLETE))) {
- if(unlikely(rrd_flag_is_collected(rm)))
- rrd_flag_set_archived(rm);
- }
-
- rrdmetric_trigger_updates(rm, __FUNCTION__ );
-}
-
-static inline void rrdmetric_collected_rrddim(RRDDIM *rd) {
- RRDMETRIC *rm = rrddim_get_rrdmetric(rd);
- if(unlikely(!rm)) return;
-
- if(unlikely(!rrd_flag_is_collected(rm)))
- rrd_flag_set_collected(rm);
-
- // we use this variable to detect BEGIN/END without SET
- rm->ri->internal.collected_metrics_count++;
-
- rrdmetric_trigger_updates(rm, __FUNCTION__ );
-}
-
-// ----------------------------------------------------------------------------
-// RRDINSTANCE
-
-static void rrdinstance_free(RRDINSTANCE *ri) {
-
- if(rrd_flag_check(ri, RRD_FLAG_OWN_LABELS))
- dictionary_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_compare(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_compare(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)) {
- DICTIONARY *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;
-}
-
-static 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
-
-static 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((DICTIONARY *)st->rrdhost->rrdctx, 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->rrdcontext;
- RRDINSTANCE_ACQUIRED *ria_old = st->rrdinstance;
-
- st->rrdcontext = rca;
- st->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->rrdmetric) continue;
-
- RRDMETRIC *rm_old = rrdmetric_acquired_value(rd->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->rrdmetric);
- rd->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->rrdinstance)) {
- error("RRDINSTANCE: RRDSET '%s' is not linked to an RRDINSTANCE at %s()", rrdset_id(st), function);
- return NULL;
- }
-
- RRDINSTANCE *ri = rrdinstance_acquired_value(st->rrdinstance);
- if(unlikely(!ri)) {
- 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;
-}
-
-static 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->rrdinstance);
- st->rrdinstance = NULL;
-
- rrdcontext_release(st->rrdcontext);
- st->rrdcontext = NULL;
-}
-
-static inline void rrdinstance_rrdset_has_updated_retention(RRDSET *st) {
- 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__ );
-}
-
-static inline void rrdinstance_updated_rrdset_name(RRDSET *st) {
- // the chart may not be initialized when this is called
- if(unlikely(!st->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__ );
- }
-}
-
-static 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);
- }
- }
-}
-
-static inline void rrdinstance_updated_rrdset_flags(RRDSET *st) {
- RRDINSTANCE *ri = rrdset_get_rrdinstance(st);
- if(unlikely(!ri)) return;
-
- if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_ARCHIVED|RRDSET_FLAG_OBSOLETE)))
- rrd_flag_set_archived(ri);
-
- rrdinstance_updated_rrdset_flags_no_action(ri, st);
-
- rrdinstance_trigger_updates(ri, __FUNCTION__ );
-}
-
-static inline void rrdinstance_collected_rrdset(RRDSET *st) {
- RRDINSTANCE *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__ );
-}
-
-// ----------------------------------------------------------------------------
-// RRDCONTEXT
-
-static void rrdcontext_freez(RRDCONTEXT *rc) {
- string_freez(rc->id);
- string_freez(rc->title);
- string_freez(rc->units);
- string_freez(rc->family);
-}
-
-static void rrdcontext_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdhost) {
- RRDHOST *host = (RRDHOST *)rrdhost;
- RRDCONTEXT *rc = (RRDCONTEXT *)value;
-
- rc->rrdhost = host;
- rc->flags = rc->flags & RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS; // no need for atomics at constructor
-
- if(rc->hub.version) {
- // we are loading data from the SQL database
-
- if(rc->version)
- error("RRDCONTEXT: context '%s' is already initialized with version %"PRIu64", but it is loaded again from SQL with version %"PRIu64"", string2str(rc->id), rc->version, rc->hub.version);
-
- // IMPORTANT
- // replace all string pointers in rc->hub with our own versions
- // the originals are coming from a tmp allocation of sqlite
-
- string_freez(rc->id);
- rc->id = string_strdupz(rc->hub.id);
- rc->hub.id = string2str(rc->id);
-
- string_freez(rc->title);
- rc->title = string_strdupz(rc->hub.title);
- rc->hub.title = string2str(rc->title);
-
- string_freez(rc->units);
- rc->units = string_strdupz(rc->hub.units);
- rc->hub.units = string2str(rc->units);
-
- string_freez(rc->family);
- rc->family = string_strdupz(rc->hub.family);
- rc->hub.family = string2str(rc->family);
-
- rc->chart_type = rrdset_type_id(rc->hub.chart_type);
- rc->hub.chart_type = rrdset_type_name(rc->chart_type);
-
- rc->version = rc->hub.version;
- rc->priority = rc->hub.priority;
- rc->first_time_s = (time_t)rc->hub.first_time_s;
- rc->last_time_s = (time_t)rc->hub.last_time_s;
-
- if(rc->hub.deleted || !rc->hub.first_time_s)
- rrd_flag_set_deleted(rc, RRD_FLAG_NONE);
- else {
- if (rc->last_time_s == 0)
- rrd_flag_set_collected(rc);
- else
- rrd_flag_set_archived(rc);
- }
-
- rc->flags |= RRD_FLAG_UPDATE_REASON_LOAD_SQL; // no need for atomics at constructor
- }
- else {
- // we are adding this context now for the first time
- rc->version = now_realtime_sec();
- }
-
- rrdinstances_create_in_rrdcontext(rc);
- netdata_mutex_init(&rc->mutex);
-
- // signal the react callback to do the job
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_NEW_OBJECT);
-}
-
-static void rrdcontext_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdhost __maybe_unused) {
-
- RRDCONTEXT *rc = (RRDCONTEXT *)value;
-
- rrdinstances_destroy_from_rrdcontext(rc);
- netdata_mutex_destroy(&rc->mutex);
- rrdcontext_freez(rc);
-}
-
-static bool rrdcontext_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *old_value, void *new_value, void *rrdhost __maybe_unused) {
- RRDCONTEXT *rc = (RRDCONTEXT *)old_value;
- RRDCONTEXT *rc_new = (RRDCONTEXT *)new_value;
-
- //current rc is not archived, new_rc is archived, don't merge
- if (!rrd_flag_is_archived(rc) && rrd_flag_is_archived(rc_new)) {
- rrdcontext_freez(rc_new);
- return false;
- }
-
- rrdcontext_lock(rc);
-
- if(rc->title != rc_new->title) {
- STRING *old_title = rc->title;
- if (rrd_flag_is_archived(rc) && !rrd_flag_is_archived(rc_new))
- rc->title = string_dup(rc_new->title);
- else
- rc->title = string_2way_merge(rc->title, rc_new->title);
- string_freez(old_title);
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- if(rc->units != rc_new->units) {
- STRING *old_units = rc->units;
- rc->units = string_dup(rc_new->units);
- string_freez(old_units);
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- if(rc->family != rc_new->family) {
- STRING *old_family = rc->family;
- if (rrd_flag_is_archived(rc) && !rrd_flag_is_archived(rc_new))
- rc->family = string_dup(rc_new->family);
- else
- rc->family = string_2way_merge(rc->family, rc_new->family);
- string_freez(old_family);
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- if(rc->chart_type != rc_new->chart_type) {
- rc->chart_type = rc_new->chart_type;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- if(rc->priority != rc_new->priority) {
- rc->priority = rc_new->priority;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
-
- rrd_flag_set(rc, rc_new->flags & RRD_FLAGS_ALLOWED_EXTERNALLY_ON_NEW_OBJECTS); // no need for atomics on rc_new
-
- if(rrd_flag_is_collected(rc) && rrd_flag_is_archived(rc))
- rrd_flag_set_collected(rc);
-
- if(rrd_flag_is_updated(rc))
- rrd_flag_set(rc, RRD_FLAG_UPDATE_REASON_UPDATED_OBJECT);
-
- rrdcontext_unlock(rc);
-
- // free the resources of the new one
- rrdcontext_freez(rc_new);
-
- // the react callback will continue from here
- return rrd_flag_is_updated(rc);
-}
-
-static void rrdcontext_react_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *rrdhost __maybe_unused) {
- RRDCONTEXT *rc = (RRDCONTEXT *)value;
- rrdcontext_trigger_updates(rc, __FUNCTION__ );
-}
-
-static void rrdcontext_trigger_updates(RRDCONTEXT *rc, const char *function) {
- if(rrd_flag_is_updated(rc) || !rrd_flag_check(rc, RRD_FLAG_LIVE_RETENTION))
- rrdcontext_queue_for_post_processing(rc, function, rc->flags);
-}
-
-static void rrdcontext_hub_queue_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *context, void *nothing __maybe_unused) {
- RRDCONTEXT *rc = context;
- rrd_flag_set(rc, RRD_FLAG_QUEUED_FOR_HUB);
- rc->queue.queued_ut = now_realtime_usec();
- rc->queue.queued_flags = rrd_flags_get(rc);
-}
-
-static void rrdcontext_hub_queue_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *context, void *nothing __maybe_unused) {
- RRDCONTEXT *rc = context;
- rrd_flag_clear(rc, RRD_FLAG_QUEUED_FOR_HUB);
-}
-
-static bool rrdcontext_hub_queue_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *context, void *new_context __maybe_unused, void *nothing __maybe_unused) {
- // context and new_context are the same
- // we just need to update the timings
- RRDCONTEXT *rc = context;
- rrd_flag_set(rc, RRD_FLAG_QUEUED_FOR_HUB);
- rc->queue.queued_ut = now_realtime_usec();
- rc->queue.queued_flags |= rrd_flags_get(rc);
-
- return true;
-}
-
-static void rrdcontext_post_processing_queue_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *context, void *nothing __maybe_unused) {
- RRDCONTEXT *rc = context;
- rrd_flag_set(rc, RRD_FLAG_QUEUED_FOR_PP);
- rc->pp.queued_flags = rc->flags;
- rc->pp.queued_ut = now_realtime_usec();
-}
-
-static void rrdcontext_post_processing_queue_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *context, void *nothing __maybe_unused) {
- RRDCONTEXT *rc = context;
- rrd_flag_clear(rc, RRD_FLAG_QUEUED_FOR_PP);
- rc->pp.dequeued_ut = now_realtime_usec();
-}
-
-static bool rrdcontext_post_processing_queue_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *context, void *new_context __maybe_unused, void *nothing __maybe_unused) {
- RRDCONTEXT *rc = context;
- bool changed = false;
-
- if(!(rc->flags & RRD_FLAG_QUEUED_FOR_PP)) {
- rrd_flag_set(rc, RRD_FLAG_QUEUED_FOR_PP);
- changed = true;
- }
-
- if(rc->pp.queued_flags != rc->flags) {
- rc->pp.queued_flags |= rc->flags;
- changed = true;
- }
-
- return changed;
-}
-
-void rrdhost_create_rrdcontexts(RRDHOST *host) {
- if(unlikely(!host)) return;
- if(likely(host->rrdctx)) return;
-
- host->rrdctx = (RRDCONTEXTS *)dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_FIXED_SIZE,
- &dictionary_stats_category_rrdcontext, sizeof(RRDCONTEXT));
-
- dictionary_register_insert_callback((DICTIONARY *)host->rrdctx, rrdcontext_insert_callback, host);
- dictionary_register_delete_callback((DICTIONARY *)host->rrdctx, rrdcontext_delete_callback, host);
- dictionary_register_conflict_callback((DICTIONARY *)host->rrdctx, rrdcontext_conflict_callback, host);
- dictionary_register_react_callback((DICTIONARY *)host->rrdctx, rrdcontext_react_callback, host);
-
- host->rrdctx_hub_queue = (RRDCONTEXTS *)dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_VALUE_LINK_DONT_CLONE, &dictionary_stats_category_rrdcontext, 0);
- dictionary_register_insert_callback((DICTIONARY *)host->rrdctx_hub_queue, rrdcontext_hub_queue_insert_callback, NULL);
- dictionary_register_delete_callback((DICTIONARY *)host->rrdctx_hub_queue, rrdcontext_hub_queue_delete_callback, NULL);
- dictionary_register_conflict_callback((DICTIONARY *)host->rrdctx_hub_queue, rrdcontext_hub_queue_conflict_callback, NULL);
-
- host->rrdctx_post_processing_queue = (RRDCONTEXTS *)dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_VALUE_LINK_DONT_CLONE, &dictionary_stats_category_rrdcontext, 0);
- dictionary_register_insert_callback((DICTIONARY *)host->rrdctx_post_processing_queue, rrdcontext_post_processing_queue_insert_callback, NULL);
- dictionary_register_delete_callback((DICTIONARY *)host->rrdctx_post_processing_queue, rrdcontext_post_processing_queue_delete_callback, NULL);
- dictionary_register_conflict_callback((DICTIONARY *)host->rrdctx_post_processing_queue, rrdcontext_post_processing_queue_conflict_callback, NULL);
-}
-
-void rrdhost_destroy_rrdcontexts(RRDHOST *host) {
- if(unlikely(!host)) return;
- if(unlikely(!host->rrdctx)) return;
-
- DICTIONARY *old;
-
- if(host->rrdctx_hub_queue) {
- old = (DICTIONARY *)host->rrdctx_hub_queue;
- host->rrdctx_hub_queue = NULL;
-
- RRDCONTEXT *rc;
- dfe_start_write(old, rc) {
- dictionary_del(old, string2str(rc->id));
- }
- dfe_done(rc);
- dictionary_destroy(old);
- }
-
- if(host->rrdctx_post_processing_queue) {
- old = (DICTIONARY *)host->rrdctx_post_processing_queue;
- host->rrdctx_post_processing_queue = NULL;
-
- RRDCONTEXT *rc;
- dfe_start_write(old, rc) {
- dictionary_del(old, string2str(rc->id));
- }
- dfe_done(rc);
- dictionary_destroy(old);
- }
-
- old = (DICTIONARY *)host->rrdctx;
- host->rrdctx = NULL;
- dictionary_destroy(old);
-}
-
-// ----------------------------------------------------------------------------
-// public API
-
-void rrdcontext_updated_rrddim(RRDDIM *rd) {
- rrdmetric_from_rrddim(rd);
-}
-
-void rrdcontext_removed_rrddim(RRDDIM *rd) {
- rrdmetric_rrddim_is_freed(rd);
-}
-
-void rrdcontext_updated_rrddim_algorithm(RRDDIM *rd) {
- rrdmetric_updated_rrddim_flags(rd);
-}
-
-void rrdcontext_updated_rrddim_multiplier(RRDDIM *rd) {
- rrdmetric_updated_rrddim_flags(rd);
-}
-
-void rrdcontext_updated_rrddim_divisor(RRDDIM *rd) {
- rrdmetric_updated_rrddim_flags(rd);
-}
-
-void rrdcontext_updated_rrddim_flags(RRDDIM *rd) {
- rrdmetric_updated_rrddim_flags(rd);
-}
-
-void rrdcontext_collected_rrddim(RRDDIM *rd) {
- rrdmetric_collected_rrddim(rd);
-}
-
-void rrdcontext_updated_rrdset(RRDSET *st) {
- rrdinstance_from_rrdset(st);
-}
-
-void rrdcontext_removed_rrdset(RRDSET *st) {
- rrdinstance_rrdset_is_freed(st);
-}
-
-void rrdcontext_updated_retention_rrdset(RRDSET *st) {
- rrdinstance_rrdset_has_updated_retention(st);
-}
-
-void rrdcontext_updated_rrdset_name(RRDSET *st) {
- rrdinstance_updated_rrdset_name(st);
-}
-
-void rrdcontext_updated_rrdset_flags(RRDSET *st) {
- rrdinstance_updated_rrdset_flags(st);
-}
-
-void rrdcontext_collected_rrdset(RRDSET *st) {
- rrdinstance_collected_rrdset(st);
-}
-
-void rrdcontext_host_child_connected(RRDHOST *host) {
- (void)host;
-
- // no need to do anything here
- ;
-}
-
-int rrdcontext_find_dimension_uuid(RRDSET *st, const char *id, uuid_t *store_uuid) {
- if(!st->rrdhost) return 1;
- if(!st->context) return 2;
-
- RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_get_and_acquire_item((DICTIONARY *)st->rrdhost->rrdctx, string2str(st->context));
- if(!rca) return 3;
-
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
-
- RRDINSTANCE_ACQUIRED *ria = (RRDINSTANCE_ACQUIRED *)dictionary_get_and_acquire_item(rc->rrdinstances, string2str(st->id));
- if(!ria) {
- rrdcontext_release(rca);
- return 4;
- }
-
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
-
- RRDMETRIC_ACQUIRED *rma = (RRDMETRIC_ACQUIRED *)dictionary_get_and_acquire_item(ri->rrdmetrics, id);
- if(!rma) {
- rrdinstance_release(ria);
- rrdcontext_release(rca);
- return 5;
- }
-
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
-
- uuid_copy(*store_uuid, rm->uuid);
-
- rrdmetric_release(rma);
- rrdinstance_release(ria);
- rrdcontext_release(rca);
- return 0;
-}
-
-int rrdcontext_find_chart_uuid(RRDSET *st, uuid_t *store_uuid) {
- if(!st->rrdhost) return 1;
- if(!st->context) return 2;
-
- RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_get_and_acquire_item((DICTIONARY *)st->rrdhost->rrdctx, string2str(st->context));
- if(!rca) return 3;
-
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
-
- RRDINSTANCE_ACQUIRED *ria = (RRDINSTANCE_ACQUIRED *)dictionary_get_and_acquire_item(rc->rrdinstances, string2str(st->id));
- if(!ria) {
- rrdcontext_release(rca);
- return 4;
- }
-
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- uuid_copy(*store_uuid, ri->uuid);
-
- rrdinstance_release(ria);
- rrdcontext_release(rca);
- return 0;
-}
-
-void rrdcontext_host_child_disconnected(RRDHOST *host) {
- rrdcontext_recalculate_host_retention(host, RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD, false);
-}
-
-static usec_t rrdcontext_next_db_rotation_ut = 0;
-void rrdcontext_db_rotation(void) {
- // called when the db rotates its database
- rrdcontext_next_db_rotation_ut = now_realtime_usec() + FULL_RETENTION_SCAN_DELAY_AFTER_DB_ROTATION_SECS * USEC_PER_SEC;
-}
-
-int rrdcontext_foreach_instance_with_rrdset_in_context(RRDHOST *host, const char *context, int (*callback)(RRDSET *st, void *data), void *data) {
- if(unlikely(!host || !context || !*context || !callback))
- return -1;
-
- RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_get_and_acquire_item((DICTIONARY *)host->rrdctx, context);
- if(unlikely(!rca)) return -1;
-
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
- if(unlikely(!rc)) return -1;
-
- int ret = 0;
- RRDINSTANCE *ri;
- dfe_start_read(rc->rrdinstances, ri) {
- if(ri->rrdset) {
- int r = callback(ri->rrdset, data);
- if(r >= 0) ret += r;
- else {
- ret = r;
- break;
- }
- }
- }
- dfe_done(ri);
-
- rrdcontext_release(rca);
-
- return ret;
-}
-
-// ----------------------------------------------------------------------------
-// ACLK interface
-
-static bool rrdhost_check_our_claim_id(const char *claim_id) {
- if(!localhost->aclk_state.claimed_id) return false;
- return (strcasecmp(claim_id, localhost->aclk_state.claimed_id) == 0) ? true : false;
-}
-
-static RRDHOST *rrdhost_find_by_node_id(const char *node_id) {
- uuid_t uuid;
- if (uuid_parse(node_id, uuid))
- return NULL;
-
- RRDHOST *host = NULL;
-
- rrd_rdlock();
- rrdhost_foreach_read(host) {
- if(!host->node_id) continue;
-
- if(uuid_compare(uuid, *host->node_id) == 0)
- break;
- }
- rrd_unlock();
-
- return host;
-}
-
-void rrdcontext_hub_checkpoint_command(void *ptr) {
- struct ctxs_checkpoint *cmd = ptr;
-
- if(!rrdhost_check_our_claim_id(cmd->claim_id)) {
- error("RRDCONTEXT: received checkpoint command for claim_id '%s', node id '%s', but this is not our claim id. Ours '%s', received '%s'. Ignoring command.",
- cmd->claim_id, cmd->node_id,
- localhost->aclk_state.claimed_id?localhost->aclk_state.claimed_id:"NOT SET",
- cmd->claim_id);
-
- return;
- }
-
- RRDHOST *host = rrdhost_find_by_node_id(cmd->node_id);
- if(!host) {
- error("RRDCONTEXT: received checkpoint command for claim id '%s', node id '%s', but there is no node with such node id here. Ignoring command.",
- cmd->claim_id, cmd->node_id);
-
- return;
- }
-
- if(rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS)) {
- info("RRDCONTEXT: received checkpoint command for claim id '%s', node id '%s', while node '%s' has an active context streaming.",
- cmd->claim_id, cmd->node_id, rrdhost_hostname(host));
-
- // disable it temporarily, so that our worker will not attempt to send messages in parallel
- rrdhost_flag_clear(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS);
- }
-
- uint64_t our_version_hash = rrdcontext_version_hash(host);
-
- if(cmd->version_hash != our_version_hash) {
- error("RRDCONTEXT: received version hash %"PRIu64" for host '%s', does not match our version hash %"PRIu64". Sending snapshot of all contexts.",
- cmd->version_hash, rrdhost_hostname(host), our_version_hash);
-
-#ifdef ENABLE_ACLK
- // prepare the snapshot
- char uuid[UUID_STR_LEN];
- uuid_unparse_lower(*host->node_id, uuid);
- contexts_snapshot_t bundle = contexts_snapshot_new(cmd->claim_id, uuid, our_version_hash);
-
- // do a deep scan on every metric of the host to make sure all our data are updated
- rrdcontext_recalculate_host_retention(host, RRD_FLAG_NONE, false);
-
- // calculate version hash and pack all the messages together in one go
- our_version_hash = rrdcontext_version_hash_with_callback(host, rrdcontext_message_send_unsafe, true, bundle);
-
- // update the version
- contexts_snapshot_set_version(bundle, our_version_hash);
-
- // send it
- aclk_send_contexts_snapshot(bundle);
-#endif
- }
-
- internal_error(true, "RRDCONTEXT: host '%s' enabling streaming of contexts", rrdhost_hostname(host));
- rrdhost_flag_set(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS);
- char node_str[UUID_STR_LEN];
- uuid_unparse_lower(*host->node_id, node_str);
- log_access("ACLK REQ [%s (%s)]: STREAM CONTEXTS ENABLED", node_str, rrdhost_hostname(host));
-}
-
-void rrdcontext_hub_stop_streaming_command(void *ptr) {
- struct stop_streaming_ctxs *cmd = ptr;
-
- if(!rrdhost_check_our_claim_id(cmd->claim_id)) {
- error("RRDCONTEXT: received stop streaming command for claim_id '%s', node id '%s', but this is not our claim id. Ours '%s', received '%s'. Ignoring command.",
- cmd->claim_id, cmd->node_id,
- localhost->aclk_state.claimed_id?localhost->aclk_state.claimed_id:"NOT SET",
- cmd->claim_id);
-
- return;
- }
-
- RRDHOST *host = rrdhost_find_by_node_id(cmd->node_id);
- if(!host) {
- error("RRDCONTEXT: received stop streaming command for claim id '%s', node id '%s', but there is no node with such node id here. Ignoring command.",
- cmd->claim_id, cmd->node_id);
-
- return;
- }
-
- if(!rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS)) {
- error("RRDCONTEXT: received stop streaming command for claim id '%s', node id '%s', but node '%s' does not have active context streaming. Ignoring command.",
- cmd->claim_id, cmd->node_id, rrdhost_hostname(host));
-
- return;
- }
-
- internal_error(true, "RRDCONTEXT: host '%s' disabling streaming of contexts", rrdhost_hostname(host));
- rrdhost_flag_clear(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS);
-}
-
-// ----------------------------------------------------------------------------
-// web API
-
-struct rrdcontext_to_json {
- BUFFER *wb;
- RRDCONTEXT_TO_JSON_OPTIONS options;
- time_t after;
- time_t before;
- SIMPLE_PATTERN *chart_label_key;
- SIMPLE_PATTERN *chart_labels_filter;
- SIMPLE_PATTERN *chart_dimensions;
- size_t written;
- time_t now;
- time_t combined_first_time_s;
- time_t combined_last_time_s;
- RRD_FLAGS combined_flags;
-};
-
-static inline int rrdmetric_to_json_callback(const DICTIONARY_ITEM *item, void *value, void *data) {
- const char *id = dictionary_acquired_item_name(item);
- struct rrdcontext_to_json * t = data;
- RRDMETRIC *rm = value;
- BUFFER *wb = t->wb;
- RRDCONTEXT_TO_JSON_OPTIONS options = t->options;
- time_t after = t->after;
- time_t before = t->before;
-
- if(unlikely(rrd_flag_is_deleted(rm) && !(options & RRDCONTEXT_OPTION_SHOW_DELETED)))
- return 0;
-
- if(after && (!rm->last_time_s || after > rm->last_time_s))
- return 0;
-
- if(before && (!rm->first_time_s || before < rm->first_time_s))
- return 0;
-
- if(t->chart_dimensions
- && !simple_pattern_matches(t->chart_dimensions, string2str(rm->id))
- && !simple_pattern_matches(t->chart_dimensions, string2str(rm->name)))
- return 0;
-
- if(t->written) {
- buffer_strcat(wb, ",\n");
- t->combined_first_time_s = MIN(t->combined_first_time_s, rm->first_time_s);
- t->combined_last_time_s = MAX(t->combined_last_time_s, rm->last_time_s);
- t->combined_flags |= rrd_flags_get(rm);
- }
- else {
- buffer_strcat(wb, "\n");
- t->combined_first_time_s = rm->first_time_s;
- t->combined_last_time_s = rm->last_time_s;
- t->combined_flags = rrd_flags_get(rm);
- }
-
- buffer_sprintf(wb, "\t\t\t\t\t\t\"%s\": {", id);
-
- if(options & RRDCONTEXT_OPTION_SHOW_UUIDS) {
- char uuid[UUID_STR_LEN];
- uuid_unparse(rm->uuid, uuid);
- buffer_sprintf(wb, "\n\t\t\t\t\t\t\t\"uuid\":\"%s\",", uuid);
- }
-
- buffer_sprintf(wb,
- "\n\t\t\t\t\t\t\t\"name\":\"%s\""
- ",\n\t\t\t\t\t\t\t\"first_time_t\":%lld"
- ",\n\t\t\t\t\t\t\t\"last_time_t\":%lld"
- ",\n\t\t\t\t\t\t\t\"collected\":%s"
- , string2str(rm->name)
- , (long long)rm->first_time_s
- , rrd_flag_is_collected(rm) ? (long long)t->now : (long long)rm->last_time_s
- , rrd_flag_is_collected(rm) ? "true" : "false"
- );
-
- if(options & RRDCONTEXT_OPTION_SHOW_DELETED) {
- buffer_sprintf(wb,
- ",\n\t\t\t\t\t\t\t\"deleted\":%s"
- , rrd_flag_is_deleted(rm) ? "true" : "false"
- );
- }
-
- if(options & RRDCONTEXT_OPTION_SHOW_FLAGS) {
- buffer_strcat(wb, ",\n\t\t\t\t\t\t\t\"flags\":\"");
- rrd_flags_to_buffer(rrd_flags_get(rm), wb);
- buffer_strcat(wb, "\"");
- }
-
- buffer_strcat(wb, "\n\t\t\t\t\t\t}");
- t->written++;
- return 1;
-}
-
-static inline int rrdinstance_to_json_callback(const DICTIONARY_ITEM *item, void *value, void *data) {
- const char *id = dictionary_acquired_item_name(item);
-
- struct rrdcontext_to_json *t_parent = data;
- RRDINSTANCE *ri = value;
- BUFFER *wb = t_parent->wb;
- RRDCONTEXT_TO_JSON_OPTIONS options = t_parent->options;
- time_t after = t_parent->after;
- time_t before = t_parent->before;
- bool has_filter = t_parent->chart_label_key || t_parent->chart_labels_filter || t_parent->chart_dimensions;
-
- if(unlikely(rrd_flag_is_deleted(ri) && !(options & RRDCONTEXT_OPTION_SHOW_DELETED)))
- return 0;
-
- if(after && (!ri->last_time_s || after > ri->last_time_s))
- return 0;
-
- if(before && (!ri->first_time_s || before < ri->first_time_s))
- return 0;
-
- if(t_parent->chart_label_key && !rrdlabels_match_simple_pattern_parsed(ri->rrdlabels, t_parent->chart_label_key, '\0'))
- return 0;
-
- if(t_parent->chart_labels_filter && !rrdlabels_match_simple_pattern_parsed(ri->rrdlabels, t_parent->chart_labels_filter, ':'))
- return 0;
-
- time_t first_time_s = ri->first_time_s;
- time_t last_time_s = ri->last_time_s;
- RRD_FLAGS flags = rrd_flags_get(ri);
-
- BUFFER *wb_metrics = NULL;
- if(options & RRDCONTEXT_OPTION_SHOW_METRICS || t_parent->chart_dimensions) {
-
- wb_metrics = buffer_create(4096, &netdata_buffers_statistics.buffers_api);
-
- struct rrdcontext_to_json t_metrics = {
- .wb = wb_metrics,
- .options = options,
- .chart_label_key = t_parent->chart_label_key,
- .chart_labels_filter = t_parent->chart_labels_filter,
- .chart_dimensions = t_parent->chart_dimensions,
- .after = after,
- .before = before,
- .written = 0,
- .now = t_parent->now,
- };
- dictionary_walkthrough_read(ri->rrdmetrics, rrdmetric_to_json_callback, &t_metrics);
-
- if(has_filter && !t_metrics.written) {
- buffer_free(wb_metrics);
- return 0;
- }
-
- first_time_s = t_metrics.combined_first_time_s;
- last_time_s = t_metrics.combined_last_time_s;
- flags = t_metrics.combined_flags;
- }
-
- if(t_parent->written) {
- buffer_strcat(wb, ",\n");
- t_parent->combined_first_time_s = MIN(t_parent->combined_first_time_s, first_time_s);
- t_parent->combined_last_time_s = MAX(t_parent->combined_last_time_s, last_time_s);
- t_parent->combined_flags |= flags;
- }
- else {
- buffer_strcat(wb, "\n");
- t_parent->combined_first_time_s = first_time_s;
- t_parent->combined_last_time_s = last_time_s;
- t_parent->combined_flags = flags;
- }
-
- buffer_sprintf(wb, "\t\t\t\t\"%s\": {", id);
-
- if(options & RRDCONTEXT_OPTION_SHOW_UUIDS) {
- char uuid[UUID_STR_LEN];
- uuid_unparse(ri->uuid, uuid);
- buffer_sprintf(wb,"\n\t\t\t\t\t\"uuid\":\"%s\",", uuid);
- }
-
- buffer_sprintf(wb,
- "\n\t\t\t\t\t\"name\":\"%s\""
- ",\n\t\t\t\t\t\"context\":\"%s\""
- ",\n\t\t\t\t\t\"title\":\"%s\""
- ",\n\t\t\t\t\t\"units\":\"%s\""
- ",\n\t\t\t\t\t\"family\":\"%s\""
- ",\n\t\t\t\t\t\"chart_type\":\"%s\""
- ",\n\t\t\t\t\t\"priority\":%u"
- ",\n\t\t\t\t\t\"update_every\":%ld"
- ",\n\t\t\t\t\t\"first_time_t\":%lld"
- ",\n\t\t\t\t\t\"last_time_t\":%lld"
- ",\n\t\t\t\t\t\"collected\":%s"
- , string2str(ri->name)
- , string2str(ri->rc->id)
- , string2str(ri->title)
- , string2str(ri->units)
- , string2str(ri->family)
- , rrdset_type_name(ri->chart_type)
- , ri->priority
- , ri->update_every_s
- , (long long)first_time_s
- , (flags & RRD_FLAG_COLLECTED) ? (long long)t_parent->now : (long long)last_time_s
- , (flags & RRD_FLAG_COLLECTED) ? "true" : "false"
- );
-
- if(options & RRDCONTEXT_OPTION_SHOW_DELETED) {
- buffer_sprintf(wb,
- ",\n\t\t\t\t\t\"deleted\":%s"
- , rrd_flag_is_deleted(ri) ? "true" : "false"
- );
- }
-
- if(options & RRDCONTEXT_OPTION_SHOW_FLAGS) {
- buffer_strcat(wb, ",\n\t\t\t\t\t\"flags\":\"");
- rrd_flags_to_buffer(rrd_flags_get(ri), wb);
- buffer_strcat(wb, "\"");
- }
-
- if(options & RRDCONTEXT_OPTION_SHOW_LABELS && ri->rrdlabels && dictionary_entries(ri->rrdlabels)) {
- buffer_sprintf(wb, ",\n\t\t\t\t\t\"labels\": {\n");
- rrdlabels_to_buffer(ri->rrdlabels, wb, "\t\t\t\t\t\t", ":", "\"", ",\n", NULL, NULL, NULL, NULL);
- buffer_strcat(wb, "\n\t\t\t\t\t}");
- }
-
- if(wb_metrics) {
- buffer_sprintf(wb, ",\n\t\t\t\t\t\"dimensions\": {");
- buffer_fast_strcat(wb, buffer_tostring(wb_metrics), buffer_strlen(wb_metrics));
- buffer_strcat(wb, "\n\t\t\t\t\t}");
-
- buffer_free(wb_metrics);
- }
-
- buffer_strcat(wb, "\n\t\t\t\t}");
- t_parent->written++;
- return 1;
-}
-
-static inline int rrdcontext_to_json_callback(const DICTIONARY_ITEM *item, void *value, void *data) {
- const char *id = dictionary_acquired_item_name(item);
- struct rrdcontext_to_json *t_parent = data;
- RRDCONTEXT *rc = value;
- BUFFER *wb = t_parent->wb;
- RRDCONTEXT_TO_JSON_OPTIONS options = t_parent->options;
- time_t after = t_parent->after;
- time_t before = t_parent->before;
- bool has_filter = t_parent->chart_label_key || t_parent->chart_labels_filter || t_parent->chart_dimensions;
-
- if(unlikely(rrd_flag_check(rc, RRD_FLAG_HIDDEN) && !(options & RRDCONTEXT_OPTION_SHOW_HIDDEN)))
- return 0;
-
- if(unlikely(rrd_flag_is_deleted(rc) && !(options & RRDCONTEXT_OPTION_SHOW_DELETED)))
- return 0;
-
- if(options & RRDCONTEXT_OPTION_DEEPSCAN)
- rrdcontext_recalculate_context_retention(rc, RRD_FLAG_NONE, false);
-
- if(after && (!rc->last_time_s || after > rc->last_time_s))
- return 0;
-
- if(before && (!rc->first_time_s || before < rc->first_time_s))
- return 0;
-
- time_t first_time_s = rc->first_time_s;
- time_t last_time_s = rc->last_time_s;
- RRD_FLAGS flags = rrd_flags_get(rc);
-
- BUFFER *wb_instances = NULL;
- if((options & (RRDCONTEXT_OPTION_SHOW_LABELS|RRDCONTEXT_OPTION_SHOW_INSTANCES|RRDCONTEXT_OPTION_SHOW_METRICS))
- || t_parent->chart_label_key
- || t_parent->chart_labels_filter
- || t_parent->chart_dimensions) {
-
- wb_instances = buffer_create(4096, &netdata_buffers_statistics.buffers_api);
-
- struct rrdcontext_to_json t_instances = {
- .wb = wb_instances,
- .options = options,
- .chart_label_key = t_parent->chart_label_key,
- .chart_labels_filter = t_parent->chart_labels_filter,
- .chart_dimensions = t_parent->chart_dimensions,
- .after = after,
- .before = before,
- .written = 0,
- .now = t_parent->now,
- };
- dictionary_walkthrough_read(rc->rrdinstances, rrdinstance_to_json_callback, &t_instances);
-
- if(has_filter && !t_instances.written) {
- buffer_free(wb_instances);
- return 0;
- }
-
- first_time_s = t_instances.combined_first_time_s;
- last_time_s = t_instances.combined_last_time_s;
- flags = t_instances.combined_flags;
- }
-
- if(t_parent->written)
- buffer_strcat(wb, ",\n");
- else
- buffer_strcat(wb, "\n");
-
- if(options & RRDCONTEXT_OPTION_SKIP_ID)
- buffer_sprintf(wb, "\t\t\{");
- else
- buffer_sprintf(wb, "\t\t\"%s\": {", id);
-
- rrdcontext_lock(rc);
-
- buffer_sprintf(wb,
- "\n\t\t\t\"title\":\"%s\""
- ",\n\t\t\t\"units\":\"%s\""
- ",\n\t\t\t\"family\":\"%s\""
- ",\n\t\t\t\"chart_type\":\"%s\""
- ",\n\t\t\t\"priority\":%u"
- ",\n\t\t\t\"first_time_t\":%lld"
- ",\n\t\t\t\"last_time_t\":%lld"
- ",\n\t\t\t\"collected\":%s"
- , string2str(rc->title)
- , string2str(rc->units)
- , string2str(rc->family)
- , rrdset_type_name(rc->chart_type)
- , rc->priority
- , (long long)first_time_s
- , (flags & RRD_FLAG_COLLECTED) ? (long long)t_parent->now : (long long)last_time_s
- , (flags & RRD_FLAG_COLLECTED) ? "true" : "false"
- );
-
- if(options & RRDCONTEXT_OPTION_SHOW_DELETED) {
- buffer_sprintf(wb,
- ",\n\t\t\t\"deleted\":%s"
- , rrd_flag_is_deleted(rc) ? "true" : "false"
- );
- }
-
- if(options & RRDCONTEXT_OPTION_SHOW_FLAGS) {
- buffer_strcat(wb, ",\n\t\t\t\"flags\":\"");
- rrd_flags_to_buffer(rrd_flags_get(rc), wb);
- buffer_strcat(wb, "\"");
- }
-
- if(options & RRDCONTEXT_OPTION_SHOW_QUEUED) {
- buffer_strcat(wb, ",\n\t\t\t\"queued_reasons\":\"");
- rrd_reasons_to_buffer(rc->queue.queued_flags, wb);
- buffer_strcat(wb, "\"");
-
- buffer_sprintf(wb,
- ",\n\t\t\t\"last_queued\":%llu"
- ",\n\t\t\t\"scheduled_dispatch\":%llu"
- ",\n\t\t\t\"last_dequeued\":%llu"
- ",\n\t\t\t\"dispatches\":%zu"
- ",\n\t\t\t\"hub_version\":%"PRIu64""
- ",\n\t\t\t\"version\":%"PRIu64""
- , rc->queue.queued_ut / USEC_PER_SEC
- , rc->queue.scheduled_dispatch_ut / USEC_PER_SEC
- , rc->queue.dequeued_ut / USEC_PER_SEC
- , rc->queue.dispatches
- , rc->hub.version
- , rc->version
- );
-
- buffer_strcat(wb, ",\n\t\t\t\"pp_reasons\":\"");
- rrd_reasons_to_buffer(rc->pp.queued_flags, wb);
- buffer_strcat(wb, "\"");
-
- buffer_sprintf(wb,
- ",\n\t\t\t\"pp_last_queued\":%llu"
- ",\n\t\t\t\"pp_last_dequeued\":%llu"
- ",\n\t\t\t\"pp_executed\":%zu"
- , rc->pp.queued_ut / USEC_PER_SEC
- , rc->pp.dequeued_ut / USEC_PER_SEC
- , rc->pp.executions
- );
- }
-
- rrdcontext_unlock(rc);
-
- if(wb_instances) {
- buffer_sprintf(wb, ",\n\t\t\t\"charts\": {");
- buffer_fast_strcat(wb, buffer_tostring(wb_instances), buffer_strlen(wb_instances));
- buffer_strcat(wb, "\n\t\t\t}");
-
- buffer_free(wb_instances);
- }
-
- buffer_strcat(wb, "\n\t\t}");
- t_parent->written++;
- return 1;
-}
-
-int rrdcontext_to_json(RRDHOST *host, BUFFER *wb, time_t after, time_t before, RRDCONTEXT_TO_JSON_OPTIONS options, const char *context, SIMPLE_PATTERN *chart_label_key, SIMPLE_PATTERN *chart_labels_filter, SIMPLE_PATTERN *chart_dimensions) {
- if(!host->rrdctx) {
- error("%s(): request for host '%s' that does not have rrdcontexts initialized.", __FUNCTION__, rrdhost_hostname(host));
- return HTTP_RESP_NOT_FOUND;
- }
-
- RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_get_and_acquire_item((DICTIONARY *)host->rrdctx, context);
- if(!rca) return HTTP_RESP_NOT_FOUND;
-
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
-
- if(after != 0 && before != 0)
- rrdr_relative_window_to_absolute(&after, &before);
-
- struct rrdcontext_to_json t_contexts = {
- .wb = wb,
- .options = options|RRDCONTEXT_OPTION_SKIP_ID,
- .chart_label_key = chart_label_key,
- .chart_labels_filter = chart_labels_filter,
- .chart_dimensions = chart_dimensions,
- .after = after,
- .before = before,
- .written = 0,
- .now = now_realtime_sec(),
- };
- rrdcontext_to_json_callback((DICTIONARY_ITEM *)rca, rc, &t_contexts);
-
- rrdcontext_release(rca);
-
- if(!t_contexts.written)
- return HTTP_RESP_NOT_FOUND;
-
- return HTTP_RESP_OK;
-}
-
-int rrdcontexts_to_json(RRDHOST *host, BUFFER *wb, time_t after, time_t before, RRDCONTEXT_TO_JSON_OPTIONS options, SIMPLE_PATTERN *chart_label_key, SIMPLE_PATTERN *chart_labels_filter, SIMPLE_PATTERN *chart_dimensions) {
- if(!host->rrdctx) {
- error("%s(): request for host '%s' that does not have rrdcontexts initialized.", __FUNCTION__, rrdhost_hostname(host));
- return HTTP_RESP_NOT_FOUND;
- }
-
- char node_uuid[UUID_STR_LEN] = "";
-
- if(host->node_id)
- uuid_unparse(*host->node_id, node_uuid);
-
- if(after != 0 && before != 0)
- rrdr_relative_window_to_absolute(&after, &before);
-
- buffer_sprintf(wb, "{\n"
- "\t\"hostname\": \"%s\""
- ",\n\t\"machine_guid\": \"%s\""
- ",\n\t\"node_id\": \"%s\""
- ",\n\t\"claim_id\": \"%s\""
- , rrdhost_hostname(host)
- , host->machine_guid
- , node_uuid
- , host->aclk_state.claimed_id ? host->aclk_state.claimed_id : ""
- );
-
- if(options & RRDCONTEXT_OPTION_SHOW_LABELS) {
- buffer_sprintf(wb, ",\n\t\"host_labels\": {\n");
- rrdlabels_to_buffer(host->rrdlabels, wb, "\t\t", ":", "\"", ",\n", NULL, NULL, NULL, NULL);
- buffer_strcat(wb, "\n\t}");
- }
-
- buffer_sprintf(wb, ",\n\t\"contexts\": {");
- struct rrdcontext_to_json t_contexts = {
- .wb = wb,
- .options = options,
- .chart_label_key = chart_label_key,
- .chart_labels_filter = chart_labels_filter,
- .chart_dimensions = chart_dimensions,
- .after = after,
- .before = before,
- .written = 0,
- .now = now_realtime_sec(),
- };
- dictionary_walkthrough_read((DICTIONARY *)host->rrdctx, rrdcontext_to_json_callback, &t_contexts);
-
- // close contexts, close main
- buffer_strcat(wb, "\n\t}\n}");
-
- return HTTP_RESP_OK;
-}
-
-// ----------------------------------------------------------------------------
-// weights API
-
-static void metric_entry_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *data __maybe_unused) {
- struct metric_entry *t = value;
- t->rca = rrdcontext_acquired_dup(t->rca);
- t->ria = rrdinstance_acquired_dup(t->ria);
- t->rma = rrdmetric_acquired_dup(t->rma);
-}
-static void metric_entry_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *data __maybe_unused) {
- struct metric_entry *t = value;
- rrdcontext_release(t->rca);
- rrdinstance_release(t->ria);
- rrdmetric_release(t->rma);
-}
-static bool metric_entry_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *old_value __maybe_unused, void *new_value __maybe_unused, void *data __maybe_unused) {
- fatal("RRDCONTEXT: %s() detected a conflict on a metric pointer!", __FUNCTION__);
- return false;
-}
-
-DICTIONARY *rrdcontext_all_metrics_to_dict(RRDHOST *host, SIMPLE_PATTERN *contexts) {
- if(!host || !host->rrdctx)
- return NULL;
-
- DICTIONARY *dict = dictionary_create_advanced(DICT_OPTION_SINGLE_THREADED|DICT_OPTION_DONT_OVERWRITE_VALUE, &dictionary_stats_category_rrdcontext, 0);
- dictionary_register_insert_callback(dict, metric_entry_insert_callback, NULL);
- dictionary_register_delete_callback(dict, metric_entry_delete_callback, NULL);
- dictionary_register_conflict_callback(dict, metric_entry_conflict_callback, NULL);
-
- RRDCONTEXT *rc;
- dfe_start_reentrant((DICTIONARY *)host->rrdctx, rc) {
- if(rrd_flag_is_deleted(rc))
- continue;
-
- if(contexts && !simple_pattern_matches(contexts, string2str(rc->id)))
- continue;
-
- RRDINSTANCE *ri;
- dfe_start_read(rc->rrdinstances, ri) {
- if(rrd_flag_is_deleted(ri))
- continue;
-
- RRDMETRIC *rm;
- dfe_start_read(ri->rrdmetrics, rm) {
- if(rrd_flag_is_deleted(rm))
- continue;
-
- struct metric_entry tmp = {
- .rca = (RRDCONTEXT_ACQUIRED *)rc_dfe.item,
- .ria = (RRDINSTANCE_ACQUIRED *)ri_dfe.item,
- .rma = (RRDMETRIC_ACQUIRED *)rm_dfe.item,
- };
-
- char buffer[20 + 1];
- ssize_t len = snprintfz(buffer, 20, "%p", rm);
- dictionary_set_advanced(dict, buffer, len + 1, &tmp, sizeof(struct metric_entry), NULL);
- }
- dfe_done(rm);
- }
- dfe_done(ri);
- }
- dfe_done(rc);
-
- return dict;
-}
-
-// ----------------------------------------------------------------------------
-// query API
-
-typedef struct query_target_locals {
- time_t start_s;
-
- QUERY_TARGET *qt;
-
- RRDSET *st;
-
- const char *hosts;
- const char *contexts;
- const char *charts;
- const char *dimensions;
- const char *chart_label_key;
- const char *charts_labels_filter;
-
- long long after;
- long long before;
- bool match_ids;
- bool match_names;
-
- RRDHOST *host;
- RRDCONTEXT_ACQUIRED *rca;
- RRDINSTANCE_ACQUIRED *ria;
-
- size_t metrics_skipped_due_to_not_matching_timeframe;
-} QUERY_TARGET_LOCALS;
-
-static __thread QUERY_TARGET thread_query_target = {};
-void query_target_release(QUERY_TARGET *qt) {
- if(unlikely(!qt)) return;
- if(unlikely(!qt->used)) return;
-
- simple_pattern_free(qt->hosts.pattern);
- qt->hosts.pattern = NULL;
-
- simple_pattern_free(qt->contexts.pattern);
- qt->contexts.pattern = NULL;
-
- simple_pattern_free(qt->instances.pattern);
- qt->instances.pattern = NULL;
-
- simple_pattern_free(qt->instances.chart_label_key_pattern);
- qt->instances.chart_label_key_pattern = NULL;
-
- simple_pattern_free(qt->instances.charts_labels_filter_pattern);
- qt->instances.charts_labels_filter_pattern = NULL;
-
- simple_pattern_free(qt->query.pattern);
- qt->query.pattern = NULL;
-
- // release the query
- for(size_t i = 0, used = qt->query.used; i < used ;i++) {
- string_freez(qt->query.array[i].dimension.id);
- qt->query.array[i].dimension.id = NULL;
-
- string_freez(qt->query.array[i].dimension.name);
- qt->query.array[i].dimension.name = NULL;
-
- string_freez(qt->query.array[i].chart.id);
- qt->query.array[i].chart.id = NULL;
-
- string_freez(qt->query.array[i].chart.name);
- qt->query.array[i].chart.name = NULL;
-
- // reset the plans
- for(size_t p = 0; p < qt->query.array[i].plan.used; p++) {
- internal_fatal(qt->query.array[i].plan.array[p].initialized &&
- !qt->query.array[i].plan.array[p].finalized,
- "QUERY: left-over initialized plan");
-
- qt->query.array[i].plan.array[p].initialized = false;
- qt->query.array[i].plan.array[p].finalized = false;
- }
- qt->query.array[i].plan.used = 0;
-
- // reset the tiers
- for(size_t tier = 0; tier < storage_tiers ;tier++) {
- if(qt->query.array[i].tiers[tier].db_metric_handle) {
- STORAGE_ENGINE *eng = qt->query.array[i].tiers[tier].eng;
- eng->api.metric_release(qt->query.array[i].tiers[tier].db_metric_handle);
- qt->query.array[i].tiers[tier].db_metric_handle = NULL;
- qt->query.array[i].tiers[tier].weight = 0;
- qt->query.array[i].tiers[tier].eng = NULL;
- }
- }
- }
-
- // release the metrics
- for(size_t i = 0, used = qt->metrics.used; i < used ;i++) {
- rrdmetric_release(qt->metrics.array[i]);
- qt->metrics.array[i] = NULL;
- }
-
- // release the instances
- for(size_t i = 0, used = qt->instances.used; i < used ;i++) {
- rrdinstance_release(qt->instances.array[i]);
- qt->instances.array[i] = NULL;
- }
-
- // release the contexts
- for(size_t i = 0, used = qt->contexts.used; i < used ;i++) {
- rrdcontext_release(qt->contexts.array[i]);
- qt->contexts.array[i] = NULL;
- }
-
- // release the hosts
- for(size_t i = 0, used = qt->hosts.used; i < used ;i++) {
- qt->hosts.array[i] = NULL;
- }
-
- qt->query.used = 0;
- qt->metrics.used = 0;
- qt->instances.used = 0;
- qt->contexts.used = 0;
- qt->hosts.used = 0;
-
- qt->db.minimum_latest_update_every_s = 0;
- qt->db.first_time_s = 0;
- qt->db.last_time_s = 0;
-
- qt->id[0] = '\0';
-
- qt->used = false;
-}
-void query_target_free(void) {
- QUERY_TARGET *qt = &thread_query_target;
-
- if(qt->used)
- query_target_release(qt);
-
- __atomic_sub_fetch(&netdata_buffers_statistics.query_targets_size, qt->query.size * sizeof(QUERY_METRIC), __ATOMIC_RELAXED);
- freez(qt->query.array);
- qt->query.array = NULL;
- qt->query.size = 0;
-
- __atomic_sub_fetch(&netdata_buffers_statistics.query_targets_size, qt->metrics.size * sizeof(RRDMETRIC_ACQUIRED *), __ATOMIC_RELAXED);
- freez(qt->metrics.array);
- qt->metrics.array = NULL;
- qt->metrics.size = 0;
-
- __atomic_sub_fetch(&netdata_buffers_statistics.query_targets_size, qt->instances.size * sizeof(RRDINSTANCE_ACQUIRED *), __ATOMIC_RELAXED);
- freez(qt->instances.array);
- qt->instances.array = NULL;
- qt->instances.size = 0;
-
- __atomic_sub_fetch(&netdata_buffers_statistics.query_targets_size, qt->contexts.size * sizeof(RRDCONTEXT_ACQUIRED *), __ATOMIC_RELAXED);
- freez(qt->contexts.array);
- qt->contexts.array = NULL;
- qt->contexts.size = 0;
-
- __atomic_sub_fetch(&netdata_buffers_statistics.query_targets_size, qt->hosts.size * sizeof(RRDHOST *), __ATOMIC_RELAXED);
- freez(qt->hosts.array);
- qt->hosts.array = NULL;
- qt->hosts.size = 0;
-}
-
-static void query_target_add_metric(QUERY_TARGET_LOCALS *qtl, RRDMETRIC_ACQUIRED *rma, RRDINSTANCE *ri,
- bool queryable_instance) {
- QUERY_TARGET *qt = qtl->qt;
-
- RRDMETRIC *rm = rrdmetric_acquired_value(rma);
- if(rrd_flag_is_deleted(rm))
- return;
-
- if(qt->metrics.used == qt->metrics.size) {
- size_t old_mem = qt->metrics.size * sizeof(RRDMETRIC_ACQUIRED *);
- qt->metrics.size = (qt->metrics.size) ? qt->metrics.size * 2 : 1;
- size_t new_mem = qt->metrics.size * sizeof(RRDMETRIC_ACQUIRED *);
- qt->metrics.array = reallocz(qt->metrics.array, new_mem);
-
- __atomic_add_fetch(&netdata_buffers_statistics.query_targets_size, new_mem - old_mem, __ATOMIC_RELAXED);
- }
- qt->metrics.array[qt->metrics.used++] = rrdmetric_acquired_dup(rma);
-
- if(!queryable_instance)
- return;
-
- time_t common_first_time_s = 0;
- time_t common_last_time_s = 0;
- time_t common_update_every_s = 0;
- size_t tiers_added = 0;
- struct {
- STORAGE_ENGINE *eng;
- STORAGE_METRIC_HANDLE *db_metric_handle;
- time_t db_first_time_s;
- time_t db_last_time_s;
- time_t db_update_every_s;
- } tier_retention[storage_tiers];
-
- for (size_t tier = 0; tier < storage_tiers; tier++) {
- STORAGE_ENGINE *eng = qtl->host->db[tier].eng;
- tier_retention[tier].eng = eng;
- tier_retention[tier].db_update_every_s = (time_t) (qtl->host->db[tier].tier_grouping * ri->update_every_s);
-
- if(rm->rrddim && rm->rrddim->tiers[tier].db_metric_handle)
- tier_retention[tier].db_metric_handle = eng->api.metric_dup(rm->rrddim->tiers[tier].db_metric_handle);
- else
- tier_retention[tier].db_metric_handle = eng->api.metric_get(qtl->host->db[tier].instance, &rm->uuid);
-
- if(tier_retention[tier].db_metric_handle) {
- tier_retention[tier].db_first_time_s = tier_retention[tier].eng->api.query_ops.oldest_time_s(tier_retention[tier].db_metric_handle);
- tier_retention[tier].db_last_time_s = tier_retention[tier].eng->api.query_ops.latest_time_s(tier_retention[tier].db_metric_handle);
-
- if(!common_first_time_s)
- common_first_time_s = tier_retention[tier].db_first_time_s;
- else if(tier_retention[tier].db_first_time_s)
- common_first_time_s = MIN(common_first_time_s, tier_retention[tier].db_first_time_s);
-
- if(!common_last_time_s)
- common_last_time_s = tier_retention[tier].db_last_time_s;
- else
- common_last_time_s = MAX(common_last_time_s, tier_retention[tier].db_last_time_s);
-
- if(!common_update_every_s)
- common_update_every_s = tier_retention[tier].db_update_every_s;
- else if(tier_retention[tier].db_update_every_s)
- common_update_every_s = MIN(common_update_every_s, tier_retention[tier].db_update_every_s);
-
- tiers_added++;
- }
- else {
- tier_retention[tier].db_first_time_s = 0;
- tier_retention[tier].db_last_time_s = 0;
- tier_retention[tier].db_update_every_s = 0;
- }
- }
-
- bool release_retention = true;
- bool timeframe_matches =
- (tiers_added
- && (common_first_time_s - common_update_every_s * 2) <= qt->window.before
- && (common_last_time_s + common_update_every_s * 2) >= qt->window.after
- ) ? true : false;
-
- if(timeframe_matches) {
- RRDR_DIMENSION_FLAGS options = RRDR_DIMENSION_DEFAULT;
-
- if (rrd_flag_check(rm, RRD_FLAG_HIDDEN)
- || (rm->rrddim && rrddim_option_check(rm->rrddim, RRDDIM_OPTION_HIDDEN))) {
- options |= RRDR_DIMENSION_HIDDEN;
- options &= ~RRDR_DIMENSION_QUERIED;
- }
-
- if (qt->query.pattern) {
- // we have a dimensions pattern
- // lets see if this dimension is selected
-
- if ((qtl->match_ids && simple_pattern_matches(qt->query.pattern, string2str(rm->id)))
- || (qtl->match_names && simple_pattern_matches(qt->query.pattern, string2str(rm->name)))
- ) {
- // it matches the pattern
- options |= (RRDR_DIMENSION_QUERIED | RRDR_DIMENSION_NONZERO);
- options &= ~RRDR_DIMENSION_HIDDEN;
- }
- else {
- // it does not match the pattern
- options |= RRDR_DIMENSION_HIDDEN;
- options &= ~RRDR_DIMENSION_QUERIED;
- }
- }
- else {
- // we don't have a dimensions pattern
- // so this is a selected dimension
- // if it is not hidden
- if(!(options & RRDR_DIMENSION_HIDDEN))
- options |= RRDR_DIMENSION_QUERIED;
- }
-
- if((options & RRDR_DIMENSION_HIDDEN) && (options & RRDR_DIMENSION_QUERIED))
- options &= ~RRDR_DIMENSION_HIDDEN;
-
- if(!(options & RRDR_DIMENSION_HIDDEN) || (qt->request.options & RRDR_OPTION_PERCENTAGE)) {
- // we have a non-hidden dimension
- // let's add it to the query metrics
-
- if(ri->rrdset)
- ri->rrdset->last_accessed_time_s = qtl->start_s;
-
- if (qt->query.used == qt->query.size) {
- size_t old_mem = qt->query.size * sizeof(QUERY_METRIC);
- qt->query.size = (qt->query.size) ? qt->query.size * 2 : 1;
- size_t new_mem = qt->query.size * sizeof(QUERY_METRIC);
- qt->query.array = reallocz(qt->query.array, new_mem);
-
- __atomic_add_fetch(&netdata_buffers_statistics.query_targets_size, new_mem - old_mem, __ATOMIC_RELAXED);
- }
- QUERY_METRIC *qm = &qt->query.array[qt->query.used++];
-
- qm->plan.used = 0;
- qm->dimension.options = options;
-
- qm->link.host = qtl->host;
- qm->link.rca = qtl->rca;
- qm->link.ria = qtl->ria;
- qm->link.rma = rma;
-
- qm->chart.id = string_dup(ri->id);
- qm->chart.name = string_dup(ri->name);
-
- qm->dimension.id = string_dup(rm->id);
- qm->dimension.name = string_dup(rm->name);
-
- if (!qt->db.first_time_s || common_first_time_s < qt->db.first_time_s)
- qt->db.first_time_s = common_first_time_s;
-
- if (!qt->db.last_time_s || common_last_time_s > qt->db.last_time_s)
- qt->db.last_time_s = common_last_time_s;
-
- for (size_t tier = 0; tier < storage_tiers; tier++) {
- qm->tiers[tier].eng = tier_retention[tier].eng;
- qm->tiers[tier].db_metric_handle = tier_retention[tier].db_metric_handle;
- qm->tiers[tier].db_first_time_s = tier_retention[tier].db_first_time_s;
- qm->tiers[tier].db_last_time_s = tier_retention[tier].db_last_time_s;
- qm->tiers[tier].db_update_every_s = tier_retention[tier].db_update_every_s;
- }
- release_retention = false;
- }
- }
- else
- qtl->metrics_skipped_due_to_not_matching_timeframe++;
-
- if(release_retention) {
- // cleanup anything we allocated to the retention we will not use
- for(size_t tier = 0; tier < storage_tiers ;tier++) {
- if (tier_retention[tier].db_metric_handle)
- tier_retention[tier].eng->api.metric_release(tier_retention[tier].db_metric_handle);
- }
- }
-}
-
-static void query_target_add_instance(QUERY_TARGET_LOCALS *qtl, RRDINSTANCE_ACQUIRED *ria, bool queryable_instance) {
- QUERY_TARGET *qt = qtl->qt;
-
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
- if(rrd_flag_is_deleted(ri))
- return;
-
- if(qt->instances.used == qt->instances.size) {
- size_t old_mem = qt->instances.size * sizeof(RRDINSTANCE_ACQUIRED *);
- qt->instances.size = (qt->instances.size) ? qt->instances.size * 2 : 1;
- size_t new_mem = qt->instances.size * sizeof(RRDINSTANCE_ACQUIRED *);
- qt->instances.array = reallocz(qt->instances.array, new_mem);
-
- __atomic_add_fetch(&netdata_buffers_statistics.query_targets_size, new_mem - old_mem, __ATOMIC_RELAXED);
- }
-
- qtl->ria = qt->instances.array[qt->instances.used++] = rrdinstance_acquired_dup(ria);
-
- if(qt->db.minimum_latest_update_every_s == 0 || ri->update_every_s < qt->db.minimum_latest_update_every_s)
- qt->db.minimum_latest_update_every_s = ri->update_every_s;
-
- if(queryable_instance) {
- if ((qt->instances.chart_label_key_pattern && !rrdlabels_match_simple_pattern_parsed(ri->rrdlabels, qt->instances.chart_label_key_pattern, ':')) ||
- (qt->instances.charts_labels_filter_pattern && !rrdlabels_match_simple_pattern_parsed(ri->rrdlabels, qt->instances.charts_labels_filter_pattern, ':')))
- queryable_instance = false;
- }
-
- size_t added = 0;
-
- if(unlikely(qt->request.rma)) {
- query_target_add_metric(qtl, qt->request.rma, ri, queryable_instance);
- added++;
- }
- else {
- RRDMETRIC *rm;
- dfe_start_read(ri->rrdmetrics, rm) {
- query_target_add_metric(qtl, (RRDMETRIC_ACQUIRED *) rm_dfe.item, ri, queryable_instance);
- added++;
- }
- dfe_done(rm);
- }
-
- if(!added) {
- qt->instances.used--;
- rrdinstance_release(ria);
- }
-}
-
-static void query_target_add_context(QUERY_TARGET_LOCALS *qtl, RRDCONTEXT_ACQUIRED *rca) {
- QUERY_TARGET *qt = qtl->qt;
-
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
- if(rrd_flag_is_deleted(rc))
- return;
-
- if(qt->contexts.used == qt->contexts.size) {
- size_t old_mem = qt->contexts.size * sizeof(RRDCONTEXT_ACQUIRED *);
- qt->contexts.size = (qt->contexts.size) ? qt->contexts.size * 2 : 1;
- size_t new_mem = qt->contexts.size * sizeof(RRDCONTEXT_ACQUIRED *);
- qt->contexts.array = reallocz(qt->contexts.array, new_mem);
-
- __atomic_add_fetch(&netdata_buffers_statistics.query_targets_size, new_mem - old_mem, __ATOMIC_RELAXED);
- }
- qtl->rca = qt->contexts.array[qt->contexts.used++] = rrdcontext_acquired_dup(rca);
-
- size_t added = 0;
- if(unlikely(qt->request.ria)) {
- query_target_add_instance(qtl, qt->request.ria, true);
- added++;
- }
- else if(unlikely(qtl->st && qtl->st->rrdcontext == rca && qtl->st->rrdinstance)) {
- query_target_add_instance(qtl, qtl->st->rrdinstance, true);
- added++;
- }
- else {
- RRDINSTANCE *ri;
- dfe_start_read(rc->rrdinstances, ri) {
- bool queryable_instance = false;
- if(!qt->instances.pattern
- || (qtl->match_ids && simple_pattern_matches(qt->instances.pattern, string2str(ri->id)))
- || (qtl->match_names && simple_pattern_matches(qt->instances.pattern, string2str(ri->name)))
- )
- queryable_instance = true;
-
- query_target_add_instance(qtl, (RRDINSTANCE_ACQUIRED *)ri_dfe.item, queryable_instance);
- added++;
- }
- dfe_done(ri);
- }
-
- if(!added) {
- qt->contexts.used--;
- rrdcontext_release(rca);
- }
-}
-
-static void query_target_add_host(QUERY_TARGET_LOCALS *qtl, RRDHOST *host) {
- QUERY_TARGET *qt = qtl->qt;
-
- if(qt->hosts.used == qt->hosts.size) {
- size_t old_mem = qt->hosts.size * sizeof(RRDHOST *);
- qt->hosts.size = (qt->hosts.size) ? qt->hosts.size * 2 : 1;
- size_t new_mem = qt->hosts.size * sizeof(RRDHOST *);
- qt->hosts.array = reallocz(qt->hosts.array, new_mem);
-
- __atomic_add_fetch(&netdata_buffers_statistics.query_targets_size, new_mem - old_mem, __ATOMIC_RELAXED);
- }
- qtl->host = qt->hosts.array[qt->hosts.used++] = host;
-
- // is the chart given valid?
- if(unlikely(qtl->st && (!qtl->st->rrdinstance || !qtl->st->rrdcontext))) {
- error("QUERY TARGET: RRDSET '%s' given, because it is not linked to rrdcontext structures. Switching to context query.", rrdset_name(qtl->st));
-
- if(!is_valid_sp(qtl->charts))
- qtl->charts = rrdset_name(qtl->st);
-
- qtl->st = NULL;
- }
-
- size_t added = 0;
- if(unlikely(qt->request.rca)) {
- query_target_add_context(qtl, qt->request.rca);
- added++;
- }
- else if(unlikely(qtl->st)) {
- // single chart data queries
- query_target_add_context(qtl, qtl->st->rrdcontext);
- added++;
- }
- else {
- // context pattern queries
- RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_get_and_acquire_item((DICTIONARY *)qtl->host->rrdctx, qtl->contexts);
- if(likely(rca)) {
- // we found it!
- query_target_add_context(qtl, rca);
- rrdcontext_release(rca);
- added++;
- }
- else {
- // Probably it is a pattern, we need to search for it...
- RRDCONTEXT *rc;
- dfe_start_read((DICTIONARY *)qtl->host->rrdctx, rc) {
- if(qt->contexts.pattern && !simple_pattern_matches(qt->contexts.pattern, string2str(rc->id)))
- continue;
-
- query_target_add_context(qtl, (RRDCONTEXT_ACQUIRED *)rc_dfe.item);
- added++;
- }
- dfe_done(rc);
- }
- }
-
- if(!added) {
- qt->hosts.used--;
- }
-}
-
-void query_target_generate_name(QUERY_TARGET *qt) {
- char options_buffer[100 + 1];
- web_client_api_request_v1_data_options_to_string(options_buffer, 100, qt->request.options);
-
- char resampling_buffer[20 + 1] = "";
- if(qt->request.resampling_time > 1)
- snprintfz(resampling_buffer, 20, "/resampling:%lld", (long long)qt->request.resampling_time);
-
- char tier_buffer[20 + 1] = "";
- if(qt->request.options & RRDR_OPTION_SELECTED_TIER)
- snprintfz(tier_buffer, 20, "/tier:%zu", qt->request.tier);
-
- if(qt->request.st)
- snprintfz(qt->id, MAX_QUERY_TARGET_ID_LENGTH, "chart://host:%s/instance:%s/dimensions:%s/after:%lld/before:%lld/points:%zu/group:%s%s/options:%s%s%s"
- , rrdhost_hostname(qt->request.st->rrdhost)
- , rrdset_name(qt->request.st)
- , (qt->request.dimensions) ? qt->request.dimensions : "*"
- , (long long)qt->request.after
- , (long long)qt->request.before
- , qt->request.points
- , web_client_api_request_v1_data_group_to_string(qt->request.group_method)
- , qt->request.group_options?qt->request.group_options:""
- , options_buffer
- , resampling_buffer
- , tier_buffer
- );
- else if(qt->request.host && qt->request.rca && qt->request.ria && qt->request.rma)
- snprintfz(qt->id, MAX_QUERY_TARGET_ID_LENGTH, "metric://host:%s/context:%s/instance:%s/dimension:%s/after:%lld/before:%lld/points:%zu/group:%s%s/options:%s%s%s"
- , rrdhost_hostname(qt->request.host)
- , rrdcontext_acquired_id(qt->request.rca)
- , rrdinstance_acquired_id(qt->request.ria)
- , rrdmetric_acquired_id(qt->request.rma)
- , (long long)qt->request.after
- , (long long)qt->request.before
- , qt->request.points
- , web_client_api_request_v1_data_group_to_string(qt->request.group_method)
- , qt->request.group_options?qt->request.group_options:""
- , options_buffer
- , resampling_buffer
- , tier_buffer
- );
- else
- snprintfz(qt->id, MAX_QUERY_TARGET_ID_LENGTH, "context://host:%s/contexts:%s/instances:%s/dimensions:%s/after:%lld/before:%lld/points:%zu/group:%s%s/options:%s%s%s"
- , (qt->request.host) ? rrdhost_hostname(qt->request.host) : ((qt->request.hosts) ? qt->request.hosts : "*")
- , (qt->request.contexts) ? qt->request.contexts : "*"
- , (qt->request.charts) ? qt->request.charts : "*"
- , (qt->request.dimensions) ? qt->request.dimensions : "*"
- , (long long)qt->request.after
- , (long long)qt->request.before
- , qt->request.points
- , web_client_api_request_v1_data_group_to_string(qt->request.group_method)
- , qt->request.group_options?qt->request.group_options:""
- , options_buffer
- , resampling_buffer
- , tier_buffer
- );
-
- json_fix_string(qt->id);
-}
-
-QUERY_TARGET *query_target_create(QUERY_TARGET_REQUEST *qtr) {
- if(!service_running(ABILITY_DATA_QUERIES))
- return NULL;
-
- QUERY_TARGET *qt = &thread_query_target;
-
- if(qt->used)
- fatal("QUERY TARGET: this query target is already used (%zu queries made with this QUERY_TARGET so far).", qt->queries);
-
- qt->used = true;
- qt->queries++;
-
- // copy the request into query_thread_target
- qt->request = *qtr;
-
- query_target_generate_name(qt);
- qt->window.after = qt->request.after;
- qt->window.before = qt->request.before;
- rrdr_relative_window_to_absolute(&qt->window.after, &qt->window.before);
-
- // prepare our local variables - we need these across all these functions
- QUERY_TARGET_LOCALS qtl = {
- .qt = qt,
- .start_s = now_realtime_sec(),
- .host = qt->request.host,
- .st = qt->request.st,
- .hosts = qt->request.hosts,
- .contexts = qt->request.contexts,
- .charts = qt->request.charts,
- .dimensions = qt->request.dimensions,
- .chart_label_key = qt->request.chart_label_key,
- .charts_labels_filter = qt->request.charts_labels_filter,
- };
-
- qt->db.minimum_latest_update_every_s = 0; // it will be updated by query_target_add_query()
-
- // prepare all the patterns
- qt->hosts.pattern = is_valid_sp(qtl.hosts) ? simple_pattern_create(qtl.hosts, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT) : NULL;
- qt->contexts.pattern = is_valid_sp(qtl.contexts) ? simple_pattern_create(qtl.contexts, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT) : NULL;
- qt->instances.pattern = is_valid_sp(qtl.charts) ? simple_pattern_create(qtl.charts, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT) : NULL;
- qt->query.pattern = is_valid_sp(qtl.dimensions) ? simple_pattern_create(qtl.dimensions, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT) : NULL;
- qt->instances.chart_label_key_pattern = is_valid_sp(qtl.chart_label_key) ? simple_pattern_create(qtl.chart_label_key, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT) : NULL;
- qt->instances.charts_labels_filter_pattern = is_valid_sp(qtl.charts_labels_filter) ? simple_pattern_create(qtl.charts_labels_filter, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT) : NULL;
-
- qtl.match_ids = qt->request.options & RRDR_OPTION_MATCH_IDS;
- qtl.match_names = qt->request.options & RRDR_OPTION_MATCH_NAMES;
- if(likely(!qtl.match_ids && !qtl.match_names))
- qtl.match_ids = qtl.match_names = true;
-
- // verify that the chart belongs to the host we are interested
- if(qtl.st) {
- if (!qtl.host) {
- // It is NULL, set it ourselves.
- qtl.host = qtl.st->rrdhost;
- }
- else if (unlikely(qtl.host != qtl.st->rrdhost)) {
- // Oops! A different host!
- error("QUERY TARGET: RRDSET '%s' given does not belong to host '%s'. Switching query host to '%s'",
- rrdset_name(qtl.st), rrdhost_hostname(qtl.host), rrdhost_hostname(qtl.st->rrdhost));
- qtl.host = qtl.st->rrdhost;
- }
- }
-
- if(qtl.host) {
- // single host query
- query_target_add_host(&qtl, qtl.host);
- qtl.hosts = rrdhost_hostname(qtl.host);
- }
- else {
- // multi host query
- rrd_rdlock();
- rrdhost_foreach_read(qtl.host) {
- if(!qt->hosts.pattern || simple_pattern_matches(qt->hosts.pattern, rrdhost_hostname(qtl.host)))
- query_target_add_host(&qtl, qtl.host);
- }
- rrd_unlock();
- }
-
- // make sure everything is good
- if(!qt->query.used || !qt->metrics.used || !qt->instances.used || !qt->contexts.used || !qt->hosts.used) {
- internal_error(
- true
- , "QUERY TARGET: query '%s' does not have all the data required. "
- "Matched %u hosts, %u contexts, %u instances, %u dimensions, %u metrics to query, "
- "%zu metrics skipped because they don't have data in the desired time-frame. "
- "Aborting it."
- , qt->id
- , qt->hosts.used
- , qt->contexts.used
- , qt->instances.used
- , qt->metrics.used
- , qt->query.used
- , qtl.metrics_skipped_due_to_not_matching_timeframe
- );
-
- query_target_release(qt);
- return NULL;
- }
-
- if(!query_target_calculate_window(qt)) {
- query_target_release(qt);
- return NULL;
- }
-
- return qt;
-}
-
-
-// ----------------------------------------------------------------------------
-// load from SQL
-
-static void rrdinstance_load_clabel(SQL_CLABEL_DATA *sld, void *data) {
- RRDINSTANCE *ri = data;
- rrdlabels_add(ri->rrdlabels, sld->label_key, sld->label_value, sld->label_source);
-}
-
-static void rrdinstance_load_dimension(SQL_DIMENSION_DATA *sd, void *data) {
- RRDINSTANCE *ri = data;
-
- RRDMETRIC trm = {
- .id = string_strdupz(sd->id),
- .name = string_strdupz(sd->name),
- .flags = RRD_FLAG_ARCHIVED | RRD_FLAG_UPDATE_REASON_LOAD_SQL, // no need for atomic
- };
- if(sd->hidden) trm.flags |= RRD_FLAG_HIDDEN;
-
- uuid_copy(trm.uuid, sd->dim_id);
-
- dictionary_set(ri->rrdmetrics, string2str(trm.id), &trm, sizeof(trm));
-}
-
-static void rrdinstance_load_chart_callback(SQL_CHART_DATA *sc, void *data) {
- RRDHOST *host = data;
-
- RRDCONTEXT tc = {
- .id = string_strdupz(sc->context),
- .title = string_strdupz(sc->title),
- .units = string_strdupz(sc->units),
- .family = string_strdupz(sc->family),
- .priority = sc->priority,
- .chart_type = sc->chart_type,
- .flags = RRD_FLAG_ARCHIVED | RRD_FLAG_UPDATE_REASON_LOAD_SQL, // no need for atomics
- .rrdhost = host,
- };
-
- RRDCONTEXT_ACQUIRED *rca = (RRDCONTEXT_ACQUIRED *)dictionary_set_and_acquire_item((DICTIONARY *)host->rrdctx, string2str(tc.id), &tc, sizeof(tc));
- RRDCONTEXT *rc = rrdcontext_acquired_value(rca);
-
- RRDINSTANCE tri = {
- .id = string_strdupz(sc->id),
- .name = string_strdupz(sc->name),
- .title = string_strdupz(sc->title),
- .units = string_strdupz(sc->units),
- .family = string_strdupz(sc->family),
- .chart_type = sc->chart_type,
- .priority = sc->priority,
- .update_every_s = sc->update_every,
- .flags = RRD_FLAG_ARCHIVED | RRD_FLAG_UPDATE_REASON_LOAD_SQL, // no need for atomics
- };
- uuid_copy(tri.uuid, sc->chart_id);
-
- RRDINSTANCE_ACQUIRED *ria = (RRDINSTANCE_ACQUIRED *)dictionary_set_and_acquire_item(rc->rrdinstances, sc->id, &tri, sizeof(tri));
- RRDINSTANCE *ri = rrdinstance_acquired_value(ria);
-
- ctx_get_dimension_list(&ri->uuid, rrdinstance_load_dimension, ri);
- ctx_get_label_list(&ri->uuid, rrdinstance_load_clabel, ri);
- rrdinstance_trigger_updates(ri, __FUNCTION__ );
- rrdinstance_release(ria);
- rrdcontext_release(rca);
-}
-
-static void rrdcontext_load_context_callback(VERSIONED_CONTEXT_DATA *ctx_data, void *data) {
- RRDHOST *host = data;
- (void)host;
-
- RRDCONTEXT trc = {
- .id = string_strdupz(ctx_data->id),
- .flags = RRD_FLAG_ARCHIVED | RRD_FLAG_UPDATE_REASON_LOAD_SQL, // no need for atomics
-
- // no need to set more data here
- // we only need the hub data
-
- .hub = *ctx_data,
- };
- dictionary_set((DICTIONARY *)host->rrdctx, string2str(trc.id), &trc, sizeof(trc));
-}
-
-void rrdhost_load_rrdcontext_data(RRDHOST *host) {
- if(host->rrdctx) return;
-
- rrdhost_create_rrdcontexts(host);
- ctx_get_context_list(&host->host_uuid, rrdcontext_load_context_callback, host);
- ctx_get_chart_list(&host->host_uuid, rrdinstance_load_chart_callback, host);
-
- RRDCONTEXT *rc;
- dfe_start_read((DICTIONARY *)host->rrdctx, rc) {
- rrdcontext_trigger_updates(rc, __FUNCTION__ );
- }
- dfe_done(rc);
-
- rrdcontext_garbage_collect_single_host(host, false);
-}
-
-// ----------------------------------------------------------------------------
-// version hash calculation
-
-static uint64_t rrdcontext_version_hash_with_callback(
- RRDHOST *host,
- void (*callback)(RRDCONTEXT *, bool, void *),
- bool snapshot,
- void *bundle) {
-
- if(unlikely(!host || !host->rrdctx)) return 0;
-
- RRDCONTEXT *rc;
- uint64_t hash = 0;
-
- // loop through all contexts of the host
- dfe_start_read((DICTIONARY *)host->rrdctx, rc) {
-
- rrdcontext_lock(rc);
-
- if(unlikely(rrd_flag_check(rc, RRD_FLAG_HIDDEN))) {
- rrdcontext_unlock(rc);
- continue;
- }
-
- if(unlikely(callback))
- callback(rc, snapshot, bundle);
-
- // skip any deleted contexts
- if(unlikely(rrd_flag_is_deleted(rc))) {
- rrdcontext_unlock(rc);
- continue;
- }
-
- // we use rc->hub.* which has the latest
- // metadata we have sent to the hub
-
- // if a context is currently queued, rc->hub.* does NOT
- // reflect the queued changes. rc->hub.* is updated with
- // their metadata, after messages are dispatched to hub.
-
- // when the context is being collected,
- // rc->hub.last_time_t is already zero
-
- hash += rc->hub.version + rc->hub.last_time_s - rc->hub.first_time_s;
-
- rrdcontext_unlock(rc);
-
- }
- dfe_done(rc);
-
- return hash;
-}
-
-// ----------------------------------------------------------------------------
-// retention recalculation
-
-static void rrdcontext_recalculate_context_retention(RRDCONTEXT *rc, RRD_FLAGS reason, bool worker_jobs) {
- rrdcontext_post_process_updates(rc, true, reason, worker_jobs);
-}
-
-static void rrdcontext_recalculate_host_retention(RRDHOST *host, RRD_FLAGS reason, bool worker_jobs) {
- if(unlikely(!host || !host->rrdctx)) return;
-
- RRDCONTEXT *rc;
- dfe_start_read((DICTIONARY *)host->rrdctx, rc) {
- rrdcontext_recalculate_context_retention(rc, reason, worker_jobs);
- }
- dfe_done(rc);
-}
-
-static void rrdcontext_recalculate_retention_all_hosts(void) {
- rrdcontext_next_db_rotation_ut = 0;
- rrd_rdlock();
- RRDHOST *host;
- rrdhost_foreach_read(host) {
- worker_is_busy(WORKER_JOB_RETENTION);
- rrdcontext_recalculate_host_retention(host, RRD_FLAG_UPDATE_REASON_DB_ROTATION, true);
- }
- rrd_unlock();
-}
-
-// ----------------------------------------------------------------------------
-// garbage collector
-
-static bool rrdmetric_update_retention(RRDMETRIC *rm) {
- time_t min_first_time_t = LONG_MAX, max_last_time_t = 0;
-
- if(rm->rrddim) {
- min_first_time_t = rrddim_first_entry_s(rm->rrddim);
- max_last_time_t = rrddim_last_entry_s(rm->rrddim);
- }
- else {
- RRDHOST *rrdhost = rm->ri->rc->rrdhost;
- for (size_t tier = 0; tier < storage_tiers; tier++) {
- STORAGE_ENGINE *eng = rrdhost->db[tier].eng;
-
- time_t first_time_t, last_time_t;
- if (eng->api.metric_retention_by_uuid(rrdhost->db[tier].instance, &rm->uuid, &first_time_t, &last_time_t)) {
- if (first_time_t < min_first_time_t)
- min_first_time_t = first_time_t;
-
- if (last_time_t > max_last_time_t)
- max_last_time_t = last_time_t;
- }
- }
- }
-
- if((min_first_time_t == LONG_MAX || min_first_time_t == 0) && max_last_time_t == 0)
- return false;
-
- if(min_first_time_t == LONG_MAX)
- min_first_time_t = 0;
-
- if(min_first_time_t > max_last_time_t) {
- internal_error(true, "RRDMETRIC: retention of '%s' is flipped, first_time_t = %ld, last_time_t = %ld", string2str(rm->id), min_first_time_t, max_last_time_t);
- time_t tmp = min_first_time_t;
- min_first_time_t = max_last_time_t;
- max_last_time_t = tmp;
- }
-
- // check if retention changed
-
- if (min_first_time_t != rm->first_time_s) {
- rm->first_time_s = min_first_time_t;
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if (max_last_time_t != rm->last_time_s) {
- rm->last_time_s = max_last_time_t;
- rrd_flag_set_updated(rm, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- if(unlikely(!rm->first_time_s && !rm->last_time_s))
- rrd_flag_set_deleted(rm, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
-
- rrd_flag_set(rm, RRD_FLAG_LIVE_RETENTION);
-
- return true;
-}
-
-static inline bool rrdmetric_should_be_deleted(RRDMETRIC *rm) {
- if(likely(!rrd_flag_check(rm, RRD_FLAGS_REQUIRED_FOR_DELETIONS)))
- return false;
-
- if(likely(rrd_flag_check(rm, RRD_FLAGS_PREVENTING_DELETIONS)))
- return false;
-
- if(likely(rm->rrddim))
- return false;
-
- rrdmetric_update_retention(rm);
- if(rm->first_time_s || rm->last_time_s)
- return false;
-
- return true;
-}
-
-static inline bool rrdinstance_should_be_deleted(RRDINSTANCE *ri) {
- if(likely(!rrd_flag_check(ri, RRD_FLAGS_REQUIRED_FOR_DELETIONS)))
- return false;
-
- if(likely(rrd_flag_check(ri, RRD_FLAGS_PREVENTING_DELETIONS)))
- return false;
-
- if(likely(ri->rrdset))
- return false;
-
- if(unlikely(dictionary_referenced_items(ri->rrdmetrics) != 0))
- return false;
-
- if(unlikely(dictionary_entries(ri->rrdmetrics) != 0))
- return false;
-
- if(ri->first_time_s || ri->last_time_s)
- return false;
-
- return true;
-}
-
-static inline bool rrdcontext_should_be_deleted(RRDCONTEXT *rc) {
- if(likely(!rrd_flag_check(rc, RRD_FLAGS_REQUIRED_FOR_DELETIONS)))
- return false;
-
- if(likely(rrd_flag_check(rc, RRD_FLAGS_PREVENTING_DELETIONS)))
- return false;
-
- if(unlikely(dictionary_referenced_items(rc->rrdinstances) != 0))
- return false;
-
- if(unlikely(dictionary_entries(rc->rrdinstances) != 0))
- return false;
-
- if(unlikely(rc->first_time_s || rc->last_time_s))
- return false;
-
- return true;
-}
-
-void rrdcontext_delete_from_sql_unsafe(RRDCONTEXT *rc) {
- // we need to refresh the string pointers in rc->hub
- // in case the context changed values
- rc->hub.id = string2str(rc->id);
- rc->hub.title = string2str(rc->title);
- rc->hub.units = string2str(rc->units);
- rc->hub.family = string2str(rc->family);
-
- // delete it from SQL
- if(ctx_delete_context(&rc->rrdhost->host_uuid, &rc->hub) != 0)
- error("RRDCONTEXT: failed to delete context '%s' version %"PRIu64" from SQL.", rc->hub.id, rc->hub.version);
-}
-
-static void rrdcontext_garbage_collect_single_host(RRDHOST *host, bool worker_jobs) {
-
- internal_error(true, "RRDCONTEXT: garbage collecting context structures of host '%s'", rrdhost_hostname(host));
-
- RRDCONTEXT *rc;
- dfe_start_reentrant((DICTIONARY *)host->rrdctx, rc) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- if(worker_jobs) worker_is_busy(WORKER_JOB_CLEANUP);
-
- rrdcontext_lock(rc);
-
- RRDINSTANCE *ri;
- dfe_start_reentrant(rc->rrdinstances, ri) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- RRDMETRIC *rm;
- dfe_start_write(ri->rrdmetrics, rm) {
- if(rrdmetric_should_be_deleted(rm)) {
- if(worker_jobs) worker_is_busy(WORKER_JOB_CLEANUP_DELETE);
- if(!dictionary_del(ri->rrdmetrics, string2str(rm->id)))
- error("RRDCONTEXT: metric '%s' of instance '%s' of context '%s' of host '%s', failed to be deleted from rrdmetrics dictionary.",
- string2str(rm->id),
- string2str(ri->id),
- string2str(rc->id),
- rrdhost_hostname(host));
- else
- internal_error(
- true,
- "RRDCONTEXT: metric '%s' of instance '%s' of context '%s' of host '%s', deleted from rrdmetrics dictionary.",
- string2str(rm->id),
- string2str(ri->id),
- string2str(rc->id),
- rrdhost_hostname(host));
- }
- }
- dfe_done(rm);
-
- if(rrdinstance_should_be_deleted(ri)) {
- if(worker_jobs) worker_is_busy(WORKER_JOB_CLEANUP_DELETE);
- if(!dictionary_del(rc->rrdinstances, string2str(ri->id)))
- error("RRDCONTEXT: instance '%s' of context '%s' of host '%s', failed to be deleted from rrdmetrics dictionary.",
- string2str(ri->id),
- string2str(rc->id),
- rrdhost_hostname(host));
- else
- internal_error(
- true,
- "RRDCONTEXT: instance '%s' of context '%s' of host '%s', deleted from rrdmetrics dictionary.",
- string2str(ri->id),
- string2str(rc->id),
- rrdhost_hostname(host));
- }
- }
- dfe_done(ri);
-
- if(unlikely(rrdcontext_should_be_deleted(rc))) {
- if(worker_jobs) worker_is_busy(WORKER_JOB_CLEANUP_DELETE);
- rrdcontext_dequeue_from_post_processing(rc);
- rrdcontext_delete_from_sql_unsafe(rc);
-
- if(!dictionary_del((DICTIONARY *)host->rrdctx, string2str(rc->id)))
- error("RRDCONTEXT: context '%s' of host '%s', failed to be deleted from rrdmetrics dictionary.",
- string2str(rc->id),
- rrdhost_hostname(host));
- else
- internal_error(
- true,
- "RRDCONTEXT: context '%s' of host '%s', deleted from rrdmetrics dictionary.",
- string2str(rc->id),
- rrdhost_hostname(host));
- }
-
- // the item is referenced in the dictionary
- // so, it is still here to unlock, even if we have deleted it
- rrdcontext_unlock(rc);
- }
- dfe_done(rc);
-}
-
-static void rrdcontext_garbage_collect_for_all_hosts(void) {
- rrd_rdlock();
- RRDHOST *host;
- rrdhost_foreach_read(host) {
- rrdcontext_garbage_collect_single_host(host, true);
- }
- rrd_unlock();
-}
-
-// ----------------------------------------------------------------------------
-// post processing
-
-static void rrdmetric_process_updates(RRDMETRIC *rm, bool force, RRD_FLAGS reason, bool worker_jobs) {
- if(reason != RRD_FLAG_NONE)
- rrd_flag_set_updated(rm, reason);
-
- if(!force && !rrd_flag_is_updated(rm) && rrd_flag_check(rm, RRD_FLAG_LIVE_RETENTION) && !rrd_flag_check(rm, RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION))
- return;
-
- if(worker_jobs)
- worker_is_busy(WORKER_JOB_PP_METRIC);
-
- if(reason & RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD) {
- rrd_flag_set_archived(rm);
- rrd_flag_set(rm, RRD_FLAG_UPDATE_REASON_DISCONNECTED_CHILD);
- }
- if(rrd_flag_is_deleted(rm) && (reason & RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION))
- rrd_flag_set_archived(rm);
-
- rrdmetric_update_retention(rm);
-
- rrd_flag_unset_updated(rm);
-}
-
-static void rrdinstance_post_process_updates(RRDINSTANCE *ri, bool force, RRD_FLAGS reason, bool worker_jobs) {
- if(reason != RRD_FLAG_NONE)
- rrd_flag_set_updated(ri, reason);
-
- if(!force && !rrd_flag_is_updated(ri) && rrd_flag_check(ri, RRD_FLAG_LIVE_RETENTION))
- return;
-
- if(worker_jobs)
- worker_is_busy(WORKER_JOB_PP_INSTANCE);
-
- time_t min_first_time_t = LONG_MAX, max_last_time_t = 0;
- size_t metrics_active = 0, metrics_deleted = 0;
- bool live_retention = true, currently_collected = false;
- if(dictionary_entries(ri->rrdmetrics) > 0) {
- RRDMETRIC *rm;
- dfe_start_read((DICTIONARY *)ri->rrdmetrics, rm) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- RRD_FLAGS reason_to_pass = reason;
- if(rrd_flag_check(ri, RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION))
- reason_to_pass |= RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION;
-
- rrdmetric_process_updates(rm, force, reason_to_pass, worker_jobs);
-
- if(unlikely(!rrd_flag_check(rm, RRD_FLAG_LIVE_RETENTION)))
- live_retention = false;
-
- if (unlikely((rrdmetric_should_be_deleted(rm)))) {
- metrics_deleted++;
- continue;
- }
-
- if(!currently_collected && rrd_flag_check(rm, RRD_FLAG_COLLECTED) && rm->first_time_s)
- currently_collected = true;
-
- metrics_active++;
-
- if (rm->first_time_s && rm->first_time_s < min_first_time_t)
- min_first_time_t = rm->first_time_s;
-
- if (rm->last_time_s && rm->last_time_s > max_last_time_t)
- max_last_time_t = rm->last_time_s;
- }
- dfe_done(rm);
- }
-
- if(unlikely(live_retention && !rrd_flag_check(ri, RRD_FLAG_LIVE_RETENTION)))
- rrd_flag_set(ri, RRD_FLAG_LIVE_RETENTION);
- else if(unlikely(!live_retention && rrd_flag_check(ri, RRD_FLAG_LIVE_RETENTION)))
- rrd_flag_clear(ri, RRD_FLAG_LIVE_RETENTION);
-
- if(unlikely(!metrics_active)) {
- // no metrics available
-
- if(ri->first_time_s) {
- ri->first_time_s = 0;
- rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if(ri->last_time_s) {
- ri->last_time_s = 0;
- rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- rrd_flag_set_deleted(ri, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
- }
- else {
- // we have active metrics...
-
- if (unlikely(min_first_time_t == LONG_MAX))
- min_first_time_t = 0;
-
- if (unlikely(min_first_time_t == 0 || max_last_time_t == 0)) {
- if(ri->first_time_s) {
- ri->first_time_s = 0;
- rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if(ri->last_time_s) {
- ri->last_time_s = 0;
- rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- if(likely(live_retention))
- rrd_flag_set_deleted(ri, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
- }
- else {
- rrd_flag_clear(ri, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
-
- if (unlikely(ri->first_time_s != min_first_time_t)) {
- ri->first_time_s = min_first_time_t;
- rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if (unlikely(ri->last_time_s != max_last_time_t)) {
- ri->last_time_s = max_last_time_t;
- rrd_flag_set_updated(ri, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- if(likely(currently_collected))
- rrd_flag_set_collected(ri);
- else
- rrd_flag_set_archived(ri);
- }
- }
-
- rrd_flag_unset_updated(ri);
-}
-
-static void rrdcontext_post_process_updates(RRDCONTEXT *rc, bool force, RRD_FLAGS reason, bool worker_jobs) {
- if(reason != RRD_FLAG_NONE)
- rrd_flag_set_updated(rc, reason);
-
- if(worker_jobs)
- worker_is_busy(WORKER_JOB_PP_CONTEXT);
-
- size_t min_priority_collected = LONG_MAX;
- size_t min_priority_not_collected = LONG_MAX;
- size_t min_priority = LONG_MAX;
- time_t min_first_time_t = LONG_MAX, max_last_time_t = 0;
- size_t instances_active = 0, instances_deleted = 0;
- bool live_retention = true, currently_collected = false, hidden = true;
- if(dictionary_entries(rc->rrdinstances) > 0) {
- RRDINSTANCE *ri;
- dfe_start_reentrant(rc->rrdinstances, ri) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- RRD_FLAGS reason_to_pass = reason;
- if(rrd_flag_check(rc, RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION))
- reason_to_pass |= RRD_FLAG_UPDATE_REASON_UPDATE_RETENTION;
-
- rrdinstance_post_process_updates(ri, force, reason_to_pass, worker_jobs);
-
- if(unlikely(hidden && !rrd_flag_check(ri, RRD_FLAG_HIDDEN)))
- hidden = false;
-
- if(unlikely(live_retention && !rrd_flag_check(ri, RRD_FLAG_LIVE_RETENTION)))
- live_retention = false;
-
- if (unlikely(rrdinstance_should_be_deleted(ri))) {
- instances_deleted++;
- continue;
- }
-
- if(unlikely(!currently_collected && rrd_flag_is_collected(ri) && ri->first_time_s))
- currently_collected = true;
-
- internal_error(rc->units != ri->units,
- "RRDCONTEXT: '%s' rrdinstance '%s' has different units, context '%s', instance '%s'",
- string2str(rc->id), string2str(ri->id),
- string2str(rc->units), string2str(ri->units));
-
- instances_active++;
-
- if (ri->priority >= RRDCONTEXT_MINIMUM_ALLOWED_PRIORITY) {
- if(rrd_flag_check(ri, RRD_FLAG_COLLECTED)) {
- if(ri->priority < min_priority_collected)
- min_priority_collected = ri->priority;
- }
- else {
- if(ri->priority < min_priority_not_collected)
- min_priority_not_collected = ri->priority;
- }
- }
-
- if (ri->first_time_s && ri->first_time_s < min_first_time_t)
- min_first_time_t = ri->first_time_s;
-
- if (ri->last_time_s && ri->last_time_s > max_last_time_t)
- max_last_time_t = ri->last_time_s;
- }
- dfe_done(ri);
-
- if(min_priority_collected != LONG_MAX)
- // use the collected priority
- min_priority = min_priority_collected;
- else
- // use the non-collected priority
- min_priority = min_priority_not_collected;
- }
-
- {
- bool previous_hidden = rrd_flag_check(rc, RRD_FLAG_HIDDEN);
- if (hidden != previous_hidden) {
- if (hidden && !rrd_flag_check(rc, RRD_FLAG_HIDDEN))
- rrd_flag_set(rc, RRD_FLAG_HIDDEN);
- else if (!hidden && rrd_flag_check(rc, RRD_FLAG_HIDDEN))
- rrd_flag_clear(rc, RRD_FLAG_HIDDEN);
- }
-
- bool previous_live_retention = rrd_flag_check(rc, RRD_FLAG_LIVE_RETENTION);
- if (live_retention != previous_live_retention) {
- if (live_retention && !rrd_flag_check(rc, RRD_FLAG_LIVE_RETENTION))
- rrd_flag_set(rc, RRD_FLAG_LIVE_RETENTION);
- else if (!live_retention && rrd_flag_check(rc, RRD_FLAG_LIVE_RETENTION))
- rrd_flag_clear(rc, RRD_FLAG_LIVE_RETENTION);
- }
- }
-
- rrdcontext_lock(rc);
- rc->pp.executions++;
-
- if(unlikely(!instances_active)) {
- // we had some instances, but they are gone now...
-
- if(rc->first_time_s) {
- rc->first_time_s = 0;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if(rc->last_time_s) {
- rc->last_time_s = 0;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- rrd_flag_set_deleted(rc, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
- }
- else {
- // we have some active instances...
-
- if (unlikely(min_first_time_t == LONG_MAX))
- min_first_time_t = 0;
-
- if (unlikely(min_first_time_t == 0 && max_last_time_t == 0)) {
- if(rc->first_time_s) {
- rc->first_time_s = 0;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if(rc->last_time_s) {
- rc->last_time_s = 0;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- rrd_flag_set_deleted(rc, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
- }
- else {
- rrd_flag_clear(rc, RRD_FLAG_UPDATE_REASON_ZERO_RETENTION);
-
- if (unlikely(rc->first_time_s != min_first_time_t)) {
- rc->first_time_s = min_first_time_t;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_FIRST_TIME_T);
- }
-
- if (rc->last_time_s != max_last_time_t) {
- rc->last_time_s = max_last_time_t;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_LAST_TIME_T);
- }
-
- if(likely(currently_collected))
- rrd_flag_set_collected(rc);
- else
- rrd_flag_set_archived(rc);
- }
-
- if (min_priority != LONG_MAX && rc->priority != min_priority) {
- rc->priority = min_priority;
- rrd_flag_set_updated(rc, RRD_FLAG_UPDATE_REASON_CHANGED_METADATA);
- }
- }
-
- if(unlikely(rrd_flag_is_updated(rc) && rc->rrdhost->rrdctx_hub_queue)) {
- if(check_if_cloud_version_changed_unsafe(rc, false)) {
- rc->version = rrdcontext_get_next_version(rc);
- dictionary_set((DICTIONARY *)rc->rrdhost->rrdctx_hub_queue,
- string2str(rc->id), rc, sizeof(*rc));
- }
- }
-
- rrd_flag_unset_updated(rc);
- rrdcontext_unlock(rc);
-}
-
-static void rrdcontext_queue_for_post_processing(RRDCONTEXT *rc, const char *function __maybe_unused, RRD_FLAGS flags __maybe_unused) {
- if(unlikely(!rc->rrdhost->rrdctx_post_processing_queue)) return;
-
- if(!rrd_flag_check(rc, RRD_FLAG_QUEUED_FOR_PP)) {
- dictionary_set((DICTIONARY *)rc->rrdhost->rrdctx_post_processing_queue,
- string2str(rc->id),
- rc,
- sizeof(*rc));
-
-#if(defined(NETDATA_INTERNAL_CHECKS) && defined(LOG_POST_PROCESSING_QUEUE_INSERTIONS))
- {
- BUFFER *wb_flags = buffer_create(1000);
- rrd_flags_to_buffer(flags, wb_flags);
-
- BUFFER *wb_reasons = buffer_create(1000);
- rrd_reasons_to_buffer(flags, wb_reasons);
-
- internal_error(true, "RRDCONTEXT: '%s' update triggered by function %s(), due to flags: %s, reasons: %s",
- string2str(rc->id), function,
- buffer_tostring(wb_flags),
- buffer_tostring(wb_reasons));
-
- buffer_free(wb_reasons);
- buffer_free(wb_flags);
- }
-#endif
- }
-}
-
-static void rrdcontext_dequeue_from_post_processing(RRDCONTEXT *rc) {
- if(unlikely(!rc->rrdhost->rrdctx_post_processing_queue)) return;
- dictionary_del((DICTIONARY *)rc->rrdhost->rrdctx_post_processing_queue, string2str(rc->id));
-}
-
-static void rrdcontext_post_process_queued_contexts(RRDHOST *host) {
- if(unlikely(!host->rrdctx_post_processing_queue)) return;
-
- RRDCONTEXT *rc;
- dfe_start_reentrant((DICTIONARY *)host->rrdctx_post_processing_queue, rc) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- rrdcontext_dequeue_from_post_processing(rc);
- rrdcontext_post_process_updates(rc, false, RRD_FLAG_NONE, true);
- }
- dfe_done(rc);
-}
-
-// ----------------------------------------------------------------------------
-// dispatching contexts to cloud
-
-static uint64_t rrdcontext_get_next_version(RRDCONTEXT *rc) {
- time_t now = now_realtime_sec();
- uint64_t version = MAX(rc->version, rc->hub.version);
- version = MAX((uint64_t)now, version);
- version++;
- return version;
-}
-
-static void rrdcontext_message_send_unsafe(RRDCONTEXT *rc, bool snapshot __maybe_unused, void *bundle __maybe_unused) {
-
- // save it, so that we know the last version we sent to hub
- rc->version = rc->hub.version = rrdcontext_get_next_version(rc);
- rc->hub.id = string2str(rc->id);
- rc->hub.title = string2str(rc->title);
- rc->hub.units = string2str(rc->units);
- rc->hub.family = string2str(rc->family);
- rc->hub.chart_type = rrdset_type_name(rc->chart_type);
- rc->hub.priority = rc->priority;
- rc->hub.first_time_s = rc->first_time_s;
- rc->hub.last_time_s = rrd_flag_is_collected(rc) ? 0 : rc->last_time_s;
- rc->hub.deleted = rrd_flag_is_deleted(rc) ? true : false;
-
-#ifdef ENABLE_ACLK
- struct context_updated message = {
- .id = rc->hub.id,
- .version = rc->hub.version,
- .title = rc->hub.title,
- .units = rc->hub.units,
- .family = rc->hub.family,
- .chart_type = rc->hub.chart_type,
- .priority = rc->hub.priority,
- .first_entry = rc->hub.first_time_s,
- .last_entry = rc->hub.last_time_s,
- .deleted = rc->hub.deleted,
- };
-
- if(likely(!rrd_flag_check(rc, RRD_FLAG_HIDDEN))) {
- if (snapshot) {
- if (!rc->hub.deleted)
- contexts_snapshot_add_ctx_update(bundle, &message);
- }
- else
- contexts_updated_add_ctx_update(bundle, &message);
- }
-#endif
-
- // store it to SQL
-
- if(rrd_flag_is_deleted(rc))
- rrdcontext_delete_from_sql_unsafe(rc);
-
- else if (ctx_store_context(&rc->rrdhost->host_uuid, &rc->hub) != 0)
- error("RRDCONTEXT: failed to save context '%s' version %"PRIu64" to SQL.", rc->hub.id, rc->hub.version);
-}
-
-static bool check_if_cloud_version_changed_unsafe(RRDCONTEXT *rc, bool sending __maybe_unused) {
- bool id_changed = false,
- title_changed = false,
- units_changed = false,
- family_changed = false,
- chart_type_changed = false,
- priority_changed = false,
- first_time_changed = false,
- last_time_changed = false,
- deleted_changed = false;
-
- RRD_FLAGS flags = rrd_flags_get(rc);
-
- if(unlikely(string2str(rc->id) != rc->hub.id))
- id_changed = true;
-
- if(unlikely(string2str(rc->title) != rc->hub.title))
- title_changed = true;
-
- if(unlikely(string2str(rc->units) != rc->hub.units))
- units_changed = true;
-
- if(unlikely(string2str(rc->family) != rc->hub.family))
- family_changed = true;
-
- if(unlikely(rrdset_type_name(rc->chart_type) != rc->hub.chart_type))
- chart_type_changed = true;
-
- if(unlikely(rc->priority != rc->hub.priority))
- priority_changed = true;
-
- if(unlikely((uint64_t)rc->first_time_s != rc->hub.first_time_s))
- first_time_changed = true;
-
- if(unlikely((uint64_t)((flags & RRD_FLAG_COLLECTED) ? 0 : rc->last_time_s) != rc->hub.last_time_s))
- last_time_changed = true;
-
- if(unlikely(((flags & RRD_FLAG_DELETED) ? true : false) != rc->hub.deleted))
- deleted_changed = true;
-
- if(unlikely(id_changed || title_changed || units_changed || family_changed || chart_type_changed || priority_changed || first_time_changed || last_time_changed || deleted_changed)) {
-
- internal_error(LOG_TRANSITIONS,
- "RRDCONTEXT: %s NEW VERSION '%s'%s of host '%s', version %"PRIu64", title '%s'%s, units '%s'%s, family '%s'%s, chart type '%s'%s, priority %u%s, first_time_t %ld%s, last_time_t %ld%s, deleted '%s'%s, (queued for %llu ms, expected %llu ms)",
- sending?"SENDING":"QUEUE",
- string2str(rc->id), id_changed ? " (CHANGED)" : "",
- rrdhost_hostname(rc->rrdhost),
- rc->version,
- string2str(rc->title), title_changed ? " (CHANGED)" : "",
- string2str(rc->units), units_changed ? " (CHANGED)" : "",
- string2str(rc->family), family_changed ? " (CHANGED)" : "",
- rrdset_type_name(rc->chart_type), chart_type_changed ? " (CHANGED)" : "",
- rc->priority, priority_changed ? " (CHANGED)" : "",
- rc->first_time_s, first_time_changed ? " (CHANGED)" : "",
- (flags & RRD_FLAG_COLLECTED) ? 0 : rc->last_time_s, last_time_changed ? " (CHANGED)" : "",
- (flags & RRD_FLAG_DELETED) ? "true" : "false", deleted_changed ? " (CHANGED)" : "",
- sending ? (now_realtime_usec() - rc->queue.queued_ut) / USEC_PER_MS : 0,
- sending ? (rc->queue.scheduled_dispatch_ut - rc->queue.queued_ut) / USEC_PER_MS : 0
- );
-
- return true;
- }
-
- return false;
-}
-
-static inline usec_t rrdcontext_calculate_queued_dispatch_time_ut(RRDCONTEXT *rc, usec_t now_ut) {
-
- if(likely(rc->queue.delay_calc_ut >= rc->queue.queued_ut))
- return rc->queue.scheduled_dispatch_ut;
-
- RRD_FLAGS flags = rc->queue.queued_flags;
-
- usec_t delay = LONG_MAX;
- int i;
- struct rrdcontext_reason *reason;
- for(i = 0, reason = &rrdcontext_reasons[i]; reason->name ; reason = &rrdcontext_reasons[++i]) {
- if(unlikely(flags & reason->flag)) {
- if(reason->delay_ut < delay)
- delay = reason->delay_ut;
- }
- }
-
- if(unlikely(delay == LONG_MAX)) {
- internal_error(true, "RRDCONTEXT: '%s', cannot find minimum delay of flags %x", string2str(rc->id), (unsigned int)flags);
- delay = 60 * USEC_PER_SEC;
- }
-
- rc->queue.delay_calc_ut = now_ut;
- usec_t dispatch_ut = rc->queue.scheduled_dispatch_ut = rc->queue.queued_ut + delay;
- return dispatch_ut;
-}
-
-static void rrdcontext_dequeue_from_hub_queue(RRDCONTEXT *rc) {
- dictionary_del((DICTIONARY *)rc->rrdhost->rrdctx_hub_queue, string2str(rc->id));
-}
-
-static void rrdcontext_dispatch_queued_contexts_to_hub(RRDHOST *host, usec_t now_ut) {
-
- // check if we have received a streaming command for this host
- if(!rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS) || !aclk_connected || !host->rrdctx_hub_queue)
- return;
-
- // check if there are queued items to send
- if(!dictionary_entries((DICTIONARY *)host->rrdctx_hub_queue))
- return;
-
- if(!host->node_id)
- return;
-
- size_t messages_added = 0;
- contexts_updated_t bundle = NULL;
-
- RRDCONTEXT *rc;
- dfe_start_reentrant((DICTIONARY *)host->rrdctx_hub_queue, rc) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- if(unlikely(messages_added >= MESSAGES_PER_BUNDLE_TO_SEND_TO_HUB_PER_HOST))
- break;
-
- worker_is_busy(WORKER_JOB_QUEUED);
- usec_t dispatch_ut = rrdcontext_calculate_queued_dispatch_time_ut(rc, now_ut);
- char *claim_id = get_agent_claimid();
-
- if(unlikely(now_ut >= dispatch_ut) && claim_id) {
- worker_is_busy(WORKER_JOB_CHECK);
-
- rrdcontext_lock(rc);
-
- if(check_if_cloud_version_changed_unsafe(rc, true)) {
- worker_is_busy(WORKER_JOB_SEND);
-
-#ifdef ENABLE_ACLK
- if(!bundle) {
- // prepare the bundle to send the messages
- char uuid[UUID_STR_LEN];
- uuid_unparse_lower(*host->node_id, uuid);
-
- bundle = contexts_updated_new(claim_id, uuid, 0, now_ut);
- }
-#endif
- // update the hub data of the context, give a new version, pack the message
- // and save an update to SQL
- rrdcontext_message_send_unsafe(rc, false, bundle);
- messages_added++;
-
- rc->queue.dispatches++;
- rc->queue.dequeued_ut = now_ut;
- }
- else
- rc->version = rc->hub.version;
-
- // remove it from the queue
- worker_is_busy(WORKER_JOB_DEQUEUE);
- rrdcontext_dequeue_from_hub_queue(rc);
-
- if(unlikely(rrdcontext_should_be_deleted(rc))) {
- // this is a deleted context - delete it forever...
-
- worker_is_busy(WORKER_JOB_CLEANUP_DELETE);
-
- rrdcontext_dequeue_from_post_processing(rc);
- rrdcontext_delete_from_sql_unsafe(rc);
-
- STRING *id = string_dup(rc->id);
- rrdcontext_unlock(rc);
-
- // delete it from the master dictionary
- if(!dictionary_del((DICTIONARY *)host->rrdctx, string2str(rc->id)))
- error("RRDCONTEXT: '%s' of host '%s' failed to be deleted from rrdcontext dictionary.",
- string2str(id), rrdhost_hostname(host));
-
- string_freez(id);
- }
- else
- rrdcontext_unlock(rc);
- }
- freez(claim_id);
- }
- dfe_done(rc);
-
-#ifdef ENABLE_ACLK
- if(service_running(SERVICE_CONTEXT) && bundle) {
- // we have a bundle to send messages
-
- // update the version hash
- contexts_updated_update_version_hash(bundle, rrdcontext_version_hash(host));
-
- // send it
- aclk_send_contexts_updated(bundle);
- }
- else if(bundle)
- contexts_updated_delete(bundle);
-#endif
-
-}
-
-// ----------------------------------------------------------------------------
-// worker thread
-
-static void rrdcontext_main_cleanup(void *ptr) {
- struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
- static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
-
- // custom code
- worker_unregister();
-
- static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
-}
-
-void *rrdcontext_main(void *ptr) {
- netdata_thread_cleanup_push(rrdcontext_main_cleanup, ptr);
-
- worker_register("RRDCONTEXT");
- worker_register_job_name(WORKER_JOB_HOSTS, "hosts");
- worker_register_job_name(WORKER_JOB_CHECK, "dedup checks");
- worker_register_job_name(WORKER_JOB_SEND, "sent contexts");
- worker_register_job_name(WORKER_JOB_DEQUEUE, "deduplicated contexts");
- worker_register_job_name(WORKER_JOB_RETENTION, "metrics retention");
- worker_register_job_name(WORKER_JOB_QUEUED, "queued contexts");
- worker_register_job_name(WORKER_JOB_CLEANUP, "cleanups");
- worker_register_job_name(WORKER_JOB_CLEANUP_DELETE, "deletes");
- worker_register_job_name(WORKER_JOB_PP_METRIC, "check metrics");
- worker_register_job_name(WORKER_JOB_PP_INSTANCE, "check instances");
- worker_register_job_name(WORKER_JOB_PP_CONTEXT, "check contexts");
-
- worker_register_job_custom_metric(WORKER_JOB_HUB_QUEUE_SIZE, "hub queue size", "contexts", WORKER_METRIC_ABSOLUTE);
- worker_register_job_custom_metric(WORKER_JOB_PP_QUEUE_SIZE, "post processing queue size", "contexts", WORKER_METRIC_ABSOLUTE);
-
- heartbeat_t hb;
- heartbeat_init(&hb);
- usec_t step = RRDCONTEXT_WORKER_THREAD_HEARTBEAT_USEC;
-
- while (service_running(SERVICE_CONTEXT)) {
- worker_is_idle();
- heartbeat_next(&hb, step);
-
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- usec_t now_ut = now_realtime_usec();
-
- if(rrdcontext_next_db_rotation_ut && now_ut > rrdcontext_next_db_rotation_ut) {
- rrdcontext_recalculate_retention_all_hosts();
- rrdcontext_garbage_collect_for_all_hosts();
- rrdcontext_next_db_rotation_ut = 0;
- }
-
- size_t hub_queued_contexts_for_all_hosts = 0;
- size_t pp_queued_contexts_for_all_hosts = 0;
-
- rrd_rdlock();
- RRDHOST *host;
- rrdhost_foreach_read(host) {
- if(unlikely(!service_running(SERVICE_CONTEXT))) break;
-
- worker_is_busy(WORKER_JOB_HOSTS);
-
- if(host->rrdctx_post_processing_queue) {
- pp_queued_contexts_for_all_hosts +=
- dictionary_entries((DICTIONARY *)host->rrdctx_post_processing_queue);
- rrdcontext_post_process_queued_contexts(host);
- }
-
- if(host->rrdctx_hub_queue) {
- hub_queued_contexts_for_all_hosts += dictionary_entries((DICTIONARY *)host->rrdctx_hub_queue);
- rrdcontext_dispatch_queued_contexts_to_hub(host, now_ut);
- }
- }
- rrd_unlock();
-
- worker_set_metric(WORKER_JOB_HUB_QUEUE_SIZE, (NETDATA_DOUBLE)hub_queued_contexts_for_all_hosts);
- worker_set_metric(WORKER_JOB_PP_QUEUE_SIZE, (NETDATA_DOUBLE)pp_queued_contexts_for_all_hosts);
- }
-
- netdata_thread_cleanup_pop(1);
- return NULL;
-}