diff options
Diffstat (limited to 'database/rrd.h')
| -rw-r--r-- | database/rrd.h | 1704 |
1 files changed, 0 insertions, 1704 deletions
diff --git a/database/rrd.h b/database/rrd.h deleted file mode 100644 index 5f4bee03..00000000 --- a/database/rrd.h +++ /dev/null @@ -1,1704 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#ifndef NETDATA_RRD_H -#define NETDATA_RRD_H 1 - -#ifdef __cplusplus -extern "C" { -#endif - -#include "libnetdata/libnetdata.h" - -// non-existing structs instead of voids -// to enable type checking at compile time -typedef struct storage_instance STORAGE_INSTANCE; -typedef struct storage_metric_handle STORAGE_METRIC_HANDLE; -typedef struct storage_alignment STORAGE_METRICS_GROUP; - -// forward typedefs -typedef struct rrdhost RRDHOST; -typedef struct rrddim RRDDIM; -typedef struct rrdset RRDSET; -typedef struct rrdcalc RRDCALC; -typedef struct rrdcalctemplate RRDCALCTEMPLATE; -typedef struct alarm_entry ALARM_ENTRY; - -typedef struct rrdlabels RRDLABELS; - -typedef struct rrdfamily_acquired RRDFAMILY_ACQUIRED; -typedef struct rrdvar_acquired RRDVAR_ACQUIRED; -typedef struct rrdsetvar_acquired RRDSETVAR_ACQUIRED; -typedef struct rrdcalc_acquired RRDCALC_ACQUIRED; - -typedef struct rrdhost_acquired RRDHOST_ACQUIRED; -typedef struct rrdset_acquired RRDSET_ACQUIRED; -typedef struct rrddim_acquired RRDDIM_ACQUIRED; - -typedef struct ml_host rrd_ml_host_t; -typedef struct ml_chart rrd_ml_chart_t; -typedef struct ml_dimension rrd_ml_dimension_t; - -typedef enum __attribute__ ((__packed__)) { - QUERY_SOURCE_UNKNOWN = 0, - QUERY_SOURCE_API_DATA, - QUERY_SOURCE_API_BADGE, - QUERY_SOURCE_API_WEIGHTS, - QUERY_SOURCE_HEALTH, - QUERY_SOURCE_ML, - QUERY_SOURCE_UNITTEST, -} QUERY_SOURCE; - -typedef enum __attribute__ ((__packed__)) storage_priority { - STORAGE_PRIORITY_INTERNAL_DBENGINE = 0, - STORAGE_PRIORITY_INTERNAL_QUERY_PREP, - - // query priorities - STORAGE_PRIORITY_HIGH, - STORAGE_PRIORITY_NORMAL, - STORAGE_PRIORITY_LOW, - STORAGE_PRIORITY_BEST_EFFORT, - - // synchronous query, not to be dispatched to workers or queued - STORAGE_PRIORITY_SYNCHRONOUS, - - STORAGE_PRIORITY_INTERNAL_MAX_DONT_USE, -} STORAGE_PRIORITY; - -// forward declarations -struct rrddim_tier; - -#ifdef ENABLE_DBENGINE -struct rrdeng_page_descr; -struct rrdengine_instance; -struct pg_cache_page_index; -#endif - -// ---------------------------------------------------------------------------- -// memory mode - -typedef enum __attribute__ ((__packed__)) rrd_memory_mode { - RRD_MEMORY_MODE_NONE = 0, - RRD_MEMORY_MODE_RAM = 1, - RRD_MEMORY_MODE_MAP = 2, - RRD_MEMORY_MODE_SAVE = 3, - RRD_MEMORY_MODE_ALLOC = 4, - RRD_MEMORY_MODE_DBENGINE = 5, - - // this is 8-bit -} RRD_MEMORY_MODE; - -#define RRD_MEMORY_MODE_NONE_NAME "none" -#define RRD_MEMORY_MODE_RAM_NAME "ram" -#define RRD_MEMORY_MODE_MAP_NAME "map" -#define RRD_MEMORY_MODE_SAVE_NAME "save" -#define RRD_MEMORY_MODE_ALLOC_NAME "alloc" -#define RRD_MEMORY_MODE_DBENGINE_NAME "dbengine" - -extern RRD_MEMORY_MODE default_rrd_memory_mode; - -const char *rrd_memory_mode_name(RRD_MEMORY_MODE id); -RRD_MEMORY_MODE rrd_memory_mode_id(const char *name); - -struct ml_metrics_statistics { - size_t anomalous; - size_t normal; - size_t trained; - size_t pending; - size_t silenced; -}; - -#include "daemon/common.h" -#include "web/api/queries/query.h" -#include "web/api/queries/rrdr.h" -#include "rrdvar.h" -#include "rrdsetvar.h" -#include "rrddimvar.h" -#include "rrdcalc.h" -#include "rrdcalctemplate.h" -#include "rrdlabels.h" -#include "streaming/rrdpush.h" -#include "aclk/aclk_rrdhost_state.h" -#include "sqlite/sqlite_health.h" - -typedef struct storage_query_handle STORAGE_QUERY_HANDLE; - -typedef enum __attribute__ ((__packed__)) { - STORAGE_ENGINE_BACKEND_RRDDIM = 1, - STORAGE_ENGINE_BACKEND_DBENGINE = 2, -} STORAGE_ENGINE_BACKEND; - -#define is_valid_backend(backend) ((backend) >= STORAGE_ENGINE_BACKEND_RRDDIM && (backend) <= STORAGE_ENGINE_BACKEND_DBENGINE) - -// iterator state for RRD dimension data queries -struct storage_engine_query_handle { - time_t start_time_s; - time_t end_time_s; - STORAGE_PRIORITY priority; - STORAGE_ENGINE_BACKEND backend; - STORAGE_QUERY_HANDLE *handle; -}; - -// ---------------------------------------------------------------------------- -// chart types - -typedef enum __attribute__ ((__packed__)) rrdset_type { - RRDSET_TYPE_LINE = 0, - RRDSET_TYPE_AREA = 1, - RRDSET_TYPE_STACKED = 2, -} RRDSET_TYPE; - -#define RRDSET_TYPE_LINE_NAME "line" -#define RRDSET_TYPE_AREA_NAME "area" -#define RRDSET_TYPE_STACKED_NAME "stacked" - -RRDSET_TYPE rrdset_type_id(const char *name); -const char *rrdset_type_name(RRDSET_TYPE chart_type); - -#include "contexts/rrdcontext.h" - -extern bool unittest_running; -extern bool dbengine_enabled; -extern size_t storage_tiers; -extern bool use_direct_io; -extern size_t storage_tiers_grouping_iterations[RRD_STORAGE_TIERS]; - -typedef enum __attribute__ ((__packed__)) { - RRD_BACKFILL_NONE = 0, - RRD_BACKFILL_FULL, - RRD_BACKFILL_NEW -} RRD_BACKFILL; - -extern RRD_BACKFILL storage_tiers_backfill[RRD_STORAGE_TIERS]; - -#define UPDATE_EVERY 1 -#define UPDATE_EVERY_MAX 3600 - -#define RRD_DEFAULT_HISTORY_ENTRIES 3600 -#define RRD_HISTORY_ENTRIES_MAX (86400*365) - -extern int default_rrd_update_every; -extern int default_rrd_history_entries; -extern int gap_when_lost_iterations_above; -extern time_t rrdset_free_obsolete_time_s; - -#if defined(ENV32BIT) -#define MIN_LIBUV_WORKER_THREADS 8 -#define MAX_LIBUV_WORKER_THREADS 128 -#define RESERVED_LIBUV_WORKER_THREADS 3 -#else -#define MIN_LIBUV_WORKER_THREADS 16 -#define MAX_LIBUV_WORKER_THREADS 1024 -#define RESERVED_LIBUV_WORKER_THREADS 6 -#endif - -extern int libuv_worker_threads; -extern bool ieee754_doubles; - -#define RRD_ID_LENGTH_MAX 1000 - -typedef long long total_number; -#define TOTAL_NUMBER_FORMAT "%lld" - -// ---------------------------------------------------------------------------- -// algorithms types - -typedef enum __attribute__ ((__packed__)) rrd_algorithm { - RRD_ALGORITHM_ABSOLUTE = 0, - RRD_ALGORITHM_INCREMENTAL = 1, - RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL = 2, - RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL = 3, - - // this is 8-bit -} RRD_ALGORITHM; - -#define RRD_ALGORITHM_ABSOLUTE_NAME "absolute" -#define RRD_ALGORITHM_INCREMENTAL_NAME "incremental" -#define RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL_NAME "percentage-of-incremental-row" -#define RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL_NAME "percentage-of-absolute-row" - -RRD_ALGORITHM rrd_algorithm_id(const char *name); -const char *rrd_algorithm_name(RRD_ALGORITHM algorithm); - -// ---------------------------------------------------------------------------- -// RRD FAMILY - -const RRDFAMILY_ACQUIRED *rrdfamily_add_and_acquire(RRDHOST *host, const char *id); -void rrdfamily_release(RRDHOST *host, const RRDFAMILY_ACQUIRED *rfa); -void rrdfamily_index_init(RRDHOST *host); -void rrdfamily_index_destroy(RRDHOST *host); -DICTIONARY *rrdfamily_rrdvars_dict(const RRDFAMILY_ACQUIRED *rf); - - -// ---------------------------------------------------------------------------- -// flags & options - -// options are permanent configuration options (no atomics to alter/access them) -typedef enum __attribute__ ((__packed__)) rrddim_options { - RRDDIM_OPTION_NONE = 0, - RRDDIM_OPTION_HIDDEN = (1 << 0), // this dimension will not be offered to callers - RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS = (1 << 1), // do not offer RESET or OVERFLOW info to callers - RRDDIM_OPTION_BACKFILLED_HIGH_TIERS = (1 << 2), // when set, we have backfilled higher tiers - RRDDIM_OPTION_UPDATED = (1 << 3), // single-threaded collector updated flag - - // this is 8-bit -} RRDDIM_OPTIONS; - -#define rrddim_option_check(rd, option) ((rd)->collector.options & (option)) -#define rrddim_option_set(rd, option) (rd)->collector.options |= (option) -#define rrddim_option_clear(rd, option) (rd)->collector.options &= ~(option) - -// flags are runtime changing status flags (atomics are required to alter/access them) -typedef enum __attribute__ ((__packed__)) rrddim_flags { - RRDDIM_FLAG_NONE = 0, - RRDDIM_FLAG_PENDING_HEALTH_INITIALIZATION = (1 << 0), - - RRDDIM_FLAG_OBSOLETE = (1 << 1), // this is marked by the collector/module as obsolete - // No new values have been collected for this dimension since agent start, or it was marked RRDDIM_FLAG_OBSOLETE at - // least rrdset_free_obsolete_time seconds ago. - RRDDIM_FLAG_ARCHIVED = (1 << 2), - RRDDIM_FLAG_METADATA_UPDATE = (1 << 3), // Metadata needs to go to the database - - RRDDIM_FLAG_META_HIDDEN = (1 << 4), // Status of hidden option in the metadata database - RRDDIM_FLAG_ML_MODEL_LOAD = (1 << 5), // Do ML LOAD for this dimension - - // this is 8 bit -} RRDDIM_FLAGS; - -#define rrddim_flag_get(rd) __atomic_load_n(&((rd)->flags), __ATOMIC_ACQUIRE) -#define rrddim_flag_check(rd, flag) (__atomic_load_n(&((rd)->flags), __ATOMIC_ACQUIRE) & (flag)) -#define rrddim_flag_set(rd, flag) __atomic_or_fetch(&((rd)->flags), (flag), __ATOMIC_RELEASE) -#define rrddim_flag_clear(rd, flag) __atomic_and_fetch(&((rd)->flags), ~(flag), __ATOMIC_RELEASE) - -// ---------------------------------------------------------------------------- -// engine-specific iterator state for dimension data collection -typedef struct storage_collect_handle { - STORAGE_ENGINE_BACKEND backend; -} STORAGE_COLLECT_HANDLE; - -// ---------------------------------------------------------------------------- -// Storage tier data for every dimension - -struct rrddim_tier { - STORAGE_POINT virtual_point; - STORAGE_ENGINE_BACKEND backend; - uint32_t tier_grouping; - time_t next_point_end_time_s; - STORAGE_METRIC_HANDLE *db_metric_handle; // the metric handle inside the database - STORAGE_COLLECT_HANDLE *db_collection_handle; // the data collection handle -}; - -void rrdr_fill_tier_gap_from_smaller_tiers(RRDDIM *rd, size_t tier, time_t now_s); - -// ---------------------------------------------------------------------------- -// RRD DIMENSION - this is a metric - -struct rrddim { - uuid_t metric_uuid; // global UUID for this metric (unique_across hosts) - - // ------------------------------------------------------------------------ - // dimension definition - - STRING *id; // the id of this dimension (for internal identification) - STRING *name; // the name of this dimension (as presented to user) - - RRD_ALGORITHM algorithm; // the algorithm that is applied to add new collected values - RRD_MEMORY_MODE rrd_memory_mode; // the memory mode for this dimension - RRDDIM_FLAGS flags; // run time changing status flags - - int32_t multiplier; // the multiplier of the collected values - int32_t divisor; // the divider of the collected values - - // ------------------------------------------------------------------------ - // operational state members - - struct rrdset *rrdset; - rrd_ml_dimension_t *ml_dimension; // machine learning data about this dimension - - struct { - RRDMETRIC_ACQUIRED *rrdmetric; // the rrdmetric of this dimension - bool collected; - } rrdcontexts; - -#ifdef NETDATA_LOG_COLLECTION_ERRORS - usec_t rrddim_store_metric_last_ut; // the timestamp we last called rrddim_store_metric() - size_t rrddim_store_metric_count; // the rrddim_store_metric() counter - const char *rrddim_store_metric_last_caller; // the name of the function that last called rrddim_store_metric() -#endif - - // ------------------------------------------------------------------------ - // db mode RAM, SAVE, MAP, ALLOC, NONE specifics - // TODO - they should be managed by storage engine - // (RRDDIM_DB_STATE ptr to an undefined structure, and a call to clean this up during destruction) - - struct { - size_t memsize; // the memory allocated for this dimension (without RRDDIM) - void *rd_on_file; // pointer to the header written on disk - storage_number *data; // the array of values - } db; - - // ------------------------------------------------------------------------ - // streaming - - struct { - struct { - uint32_t sent_version; - uint32_t dim_slot; - } sender; - } rrdpush; - - // ------------------------------------------------------------------------ - // data collection members - - struct { - RRDDIM_OPTIONS options; // permanent configuration options - - uint32_t counter; // the number of times we added values to this rrddim - - collected_number collected_value; // the current value, as collected - resets to 0 after being used - collected_number collected_value_max; // the absolute maximum of the collected value - collected_number last_collected_value; // the last value that was collected, after being processed - - struct timeval last_collected_time; // when was this dimension last updated - // this is actual date time we updated the last_collected_value - // THIS IS DIFFERENT FROM THE SAME MEMBER OF RRDSET - - NETDATA_DOUBLE calculated_value; // the current calculated value, after applying the algorithm - resets to zero after being used - NETDATA_DOUBLE last_calculated_value; // the last calculated value processed - - NETDATA_DOUBLE last_stored_value; // the last value as stored in the database (after interpolation) - } collector; - - // ------------------------------------------------------------------------ - - struct rrddim_tier tiers[]; // our tiers of databases -}; - -size_t rrddim_size(void); - -#define rrddim_id(rd) string2str((rd)->id) -#define rrddim_name(rd) string2str((rd) ->name) - -#define rrddim_check_updated(rd) ((rd)->collector.options & RRDDIM_OPTION_UPDATED) -#define rrddim_set_updated(rd) (rd)->collector.options |= RRDDIM_OPTION_UPDATED -#define rrddim_clear_updated(rd) (rd)->collector.options &= ~RRDDIM_OPTION_UPDATED - -// returns the RRDDIM cache filename, or NULL if it does not exist -const char *rrddim_cache_filename(RRDDIM *rd); - -// updated the header with the latest RRDDIM value, for memory mode MAP and SAVE -void rrddim_memory_file_update(RRDDIM *rd); - -// free the memory file structures for memory mode MAP and SAVE -void rrddim_memory_file_free(RRDDIM *rd); - -bool rrddim_memory_load_or_create_map_save(RRDSET *st, RRDDIM *rd, RRD_MEMORY_MODE memory_mode); - -// return the v019 header size of RRDDIM files -size_t rrddim_memory_file_header_size(void); - -void rrddim_memory_file_save(RRDDIM *rd); - -// ------------------------------------------------------------------------ -// DATA COLLECTION STORAGE OPS - -STORAGE_METRICS_GROUP *rrdeng_metrics_group_get(STORAGE_INSTANCE *db_instance, uuid_t *uuid); -STORAGE_METRICS_GROUP *rrddim_metrics_group_get(STORAGE_INSTANCE *db_instance, uuid_t *uuid); -static inline STORAGE_METRICS_GROUP *storage_engine_metrics_group_get(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_INSTANCE *db_instance, uuid_t *uuid) { - internal_fatal(!is_valid_backend(backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_metrics_group_get(db_instance, uuid); -#endif - return rrddim_metrics_group_get(db_instance, uuid); -} - -void rrdeng_metrics_group_release(STORAGE_INSTANCE *db_instance, STORAGE_METRICS_GROUP *smg); -void rrddim_metrics_group_release(STORAGE_INSTANCE *db_instance, STORAGE_METRICS_GROUP *smg); -static inline void storage_engine_metrics_group_release(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_INSTANCE *db_instance, STORAGE_METRICS_GROUP *smg) { - internal_fatal(!is_valid_backend(backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - rrdeng_metrics_group_release(db_instance, smg); - else -#endif - rrddim_metrics_group_release(db_instance, smg); -} - -STORAGE_COLLECT_HANDLE *rrdeng_store_metric_init(STORAGE_METRIC_HANDLE *db_metric_handle, uint32_t update_every, STORAGE_METRICS_GROUP *smg); -STORAGE_COLLECT_HANDLE *rrddim_collect_init(STORAGE_METRIC_HANDLE *db_metric_handle, uint32_t update_every, STORAGE_METRICS_GROUP *smg); -static inline STORAGE_COLLECT_HANDLE *storage_metric_store_init(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_METRIC_HANDLE *db_metric_handle, uint32_t update_every, STORAGE_METRICS_GROUP *smg) { - internal_fatal(!is_valid_backend(backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_store_metric_init(db_metric_handle, update_every, smg); -#endif - return rrddim_collect_init(db_metric_handle, update_every, smg); -} - -void rrdeng_store_metric_next( - STORAGE_COLLECT_HANDLE *collection_handle, usec_t point_in_time_ut, - NETDATA_DOUBLE n, NETDATA_DOUBLE min_value, NETDATA_DOUBLE max_value, - uint16_t count, uint16_t anomaly_count, SN_FLAGS flags); - -void rrddim_collect_store_metric( - STORAGE_COLLECT_HANDLE *collection_handle, usec_t point_in_time_ut, - NETDATA_DOUBLE n, NETDATA_DOUBLE min_value, NETDATA_DOUBLE max_value, - uint16_t count, uint16_t anomaly_count, SN_FLAGS flags); - -static inline void storage_engine_store_metric( - STORAGE_COLLECT_HANDLE *collection_handle, usec_t point_in_time_ut, - NETDATA_DOUBLE n, NETDATA_DOUBLE min_value, NETDATA_DOUBLE max_value, - uint16_t count, uint16_t anomaly_count, SN_FLAGS flags) { - internal_fatal(!is_valid_backend(collection_handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(collection_handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_store_metric_next(collection_handle, point_in_time_ut, - n, min_value, max_value, - count, anomaly_count, flags); -#endif - return rrddim_collect_store_metric(collection_handle, point_in_time_ut, - n, min_value, max_value, - count, anomaly_count, flags); -} - -uint64_t rrdeng_disk_space_max(STORAGE_INSTANCE *db_instance); -static inline uint64_t storage_engine_disk_space_max(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_INSTANCE *db_instance __maybe_unused) { -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_disk_space_max(db_instance); -#endif - - return 0; -} - -uint64_t rrdeng_disk_space_used(STORAGE_INSTANCE *db_instance); -static inline uint64_t storage_engine_disk_space_used(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_INSTANCE *db_instance __maybe_unused) { -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_disk_space_used(db_instance); -#endif - - // TODO - calculate the total host disk space for memory mode save and map - return 0; -} - -time_t rrdeng_global_first_time_s(STORAGE_INSTANCE *db_instance); -static inline time_t storage_engine_global_first_time_s(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_INSTANCE *db_instance __maybe_unused) { -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_global_first_time_s(db_instance); -#endif - - return now_realtime_sec() - (time_t)(default_rrd_history_entries * default_rrd_update_every); -} - -size_t rrdeng_currently_collected_metrics(STORAGE_INSTANCE *db_instance); -static inline size_t storage_engine_collected_metrics(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_INSTANCE *db_instance __maybe_unused) { -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_currently_collected_metrics(db_instance); -#endif - - // TODO - calculate the total host disk space for memory mode save and map - return 0; -} - -void rrdeng_store_metric_flush_current_page(STORAGE_COLLECT_HANDLE *collection_handle); -void rrddim_store_metric_flush(STORAGE_COLLECT_HANDLE *collection_handle); -static inline void storage_engine_store_flush(STORAGE_COLLECT_HANDLE *collection_handle) { - if(unlikely(!collection_handle)) - return; - - internal_fatal(!is_valid_backend(collection_handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(collection_handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - rrdeng_store_metric_flush_current_page(collection_handle); - else -#endif - rrddim_store_metric_flush(collection_handle); -} - -int rrdeng_store_metric_finalize(STORAGE_COLLECT_HANDLE *collection_handle); -int rrddim_collect_finalize(STORAGE_COLLECT_HANDLE *collection_handle); -// a finalization function to run after collection is over -// returns 1 if it's safe to delete the dimension -static inline int storage_engine_store_finalize(STORAGE_COLLECT_HANDLE *collection_handle) { - internal_fatal(!is_valid_backend(collection_handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(collection_handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_store_metric_finalize(collection_handle); -#endif - - return rrddim_collect_finalize(collection_handle); -} - -void rrdeng_store_metric_change_collection_frequency(STORAGE_COLLECT_HANDLE *collection_handle, int update_every); -void rrddim_store_metric_change_collection_frequency(STORAGE_COLLECT_HANDLE *collection_handle, int update_every); -static inline void storage_engine_store_change_collection_frequency(STORAGE_COLLECT_HANDLE *collection_handle, int update_every) { - internal_fatal(!is_valid_backend(collection_handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(collection_handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - rrdeng_store_metric_change_collection_frequency(collection_handle, update_every); - else -#endif - rrddim_store_metric_change_collection_frequency(collection_handle, update_every); -} - - -// ---------------------------------------------------------------------------- -// STORAGE ENGINE QUERY OPS - -time_t rrdeng_metric_oldest_time(STORAGE_METRIC_HANDLE *db_metric_handle); -time_t rrddim_query_oldest_time_s(STORAGE_METRIC_HANDLE *db_metric_handle); -static inline time_t storage_engine_oldest_time_s(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_METRIC_HANDLE *db_metric_handle) { - internal_fatal(!is_valid_backend(backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_metric_oldest_time(db_metric_handle); -#endif - return rrddim_query_oldest_time_s(db_metric_handle); -} - -time_t rrdeng_metric_latest_time(STORAGE_METRIC_HANDLE *db_metric_handle); -time_t rrddim_query_latest_time_s(STORAGE_METRIC_HANDLE *db_metric_handle); -static inline time_t storage_engine_latest_time_s(STORAGE_ENGINE_BACKEND backend __maybe_unused, STORAGE_METRIC_HANDLE *db_metric_handle) { - internal_fatal(!is_valid_backend(backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_metric_latest_time(db_metric_handle); -#endif - return rrddim_query_latest_time_s(db_metric_handle); -} - -void rrdeng_load_metric_init( - STORAGE_METRIC_HANDLE *db_metric_handle, struct storage_engine_query_handle *rrddim_handle, - time_t start_time_s, time_t end_time_s, STORAGE_PRIORITY priority); - -void rrddim_query_init( - STORAGE_METRIC_HANDLE *db_metric_handle, struct storage_engine_query_handle *handle, - time_t start_time_s, time_t end_time_s, STORAGE_PRIORITY priority); - -static inline void storage_engine_query_init( - STORAGE_ENGINE_BACKEND backend __maybe_unused, - STORAGE_METRIC_HANDLE *db_metric_handle, struct storage_engine_query_handle *handle, - time_t start_time_s, time_t end_time_s, STORAGE_PRIORITY priority) { - internal_fatal(!is_valid_backend(backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - rrdeng_load_metric_init(db_metric_handle, handle, start_time_s, end_time_s, priority); - else -#endif - rrddim_query_init(db_metric_handle, handle, start_time_s, end_time_s, priority); -} - -STORAGE_POINT rrdeng_load_metric_next(struct storage_engine_query_handle *rrddim_handle); -STORAGE_POINT rrddim_query_next_metric(struct storage_engine_query_handle *handle); -static inline STORAGE_POINT storage_engine_query_next_metric(struct storage_engine_query_handle *handle) { - internal_fatal(!is_valid_backend(handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_load_metric_next(handle); -#endif - return rrddim_query_next_metric(handle); -} - -int rrdeng_load_metric_is_finished(struct storage_engine_query_handle *rrddim_handle); -int rrddim_query_is_finished(struct storage_engine_query_handle *handle); -static inline int storage_engine_query_is_finished(struct storage_engine_query_handle *handle) { - internal_fatal(!is_valid_backend(handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_load_metric_is_finished(handle); -#endif - return rrddim_query_is_finished(handle); -} - -void rrdeng_load_metric_finalize(struct storage_engine_query_handle *rrddim_handle); -void rrddim_query_finalize(struct storage_engine_query_handle *handle); -static inline void storage_engine_query_finalize(struct storage_engine_query_handle *handle) { - internal_fatal(!is_valid_backend(handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - rrdeng_load_metric_finalize(handle); - else -#endif - rrddim_query_finalize(handle); -} - -time_t rrdeng_load_align_to_optimal_before(struct storage_engine_query_handle *rrddim_handle); -time_t rrddim_query_align_to_optimal_before(struct storage_engine_query_handle *rrddim_handle); -static inline time_t storage_engine_align_to_optimal_before(struct storage_engine_query_handle *handle) { - internal_fatal(!is_valid_backend(handle->backend), "STORAGE: invalid backend"); - -#ifdef ENABLE_DBENGINE - if(likely(handle->backend == STORAGE_ENGINE_BACKEND_DBENGINE)) - return rrdeng_load_align_to_optimal_before(handle); -#endif - return rrddim_query_align_to_optimal_before(handle); -} - -// ------------------------------------------------------------------------ -// function pointers for all APIs provided by a storage engine -typedef struct storage_engine_api { - // metric management - STORAGE_METRIC_HANDLE *(*metric_get)(STORAGE_INSTANCE *instance, uuid_t *uuid); - STORAGE_METRIC_HANDLE *(*metric_get_or_create)(RRDDIM *rd, STORAGE_INSTANCE *instance); - void (*metric_release)(STORAGE_METRIC_HANDLE *); - STORAGE_METRIC_HANDLE *(*metric_dup)(STORAGE_METRIC_HANDLE *); - bool (*metric_retention_by_uuid)(STORAGE_INSTANCE *db_instance, uuid_t *uuid, time_t *first_entry_s, time_t *last_entry_s); -} STORAGE_ENGINE_API; - -typedef struct storage_engine { - STORAGE_ENGINE_BACKEND backend; - RRD_MEMORY_MODE id; - const char* name; - STORAGE_ENGINE_API api; -} STORAGE_ENGINE; - -STORAGE_ENGINE* storage_engine_get(RRD_MEMORY_MODE mmode); -STORAGE_ENGINE* storage_engine_find(const char* name); - -// ---------------------------------------------------------------------------- -// these loop macros make sure the linked list is accessed with the right lock - -#define rrddim_foreach_read(rd, st) \ - dfe_start_read((st)->rrddim_root_index, rd) -#define rrddim_foreach_done(rd) \ - dfe_done(rd) - -// ---------------------------------------------------------------------------- -// RRDSET - this is a chart - -// use this for configuration flags, not for state control -// flags are set/unset in a manner that is not thread safe -// and may lead to missing information. - -typedef enum __attribute__ ((__packed__)) rrdset_flags { - RRDSET_FLAG_DETAIL = (1 << 1), // if set, the data set should be considered as a detail of another - // (the master data set should be the one that has the same family and is not detail) - RRDSET_FLAG_DEBUG = (1 << 2), // enables or disables debugging for a chart - RRDSET_FLAG_OBSOLETE = (1 << 3), // this is marked by the collector/module as obsolete - RRDSET_FLAG_EXPORTING_SEND = (1 << 4), // if set, this chart should be sent to Prometheus web API and external databases - RRDSET_FLAG_EXPORTING_IGNORE = (1 << 5), // if set, this chart should not be sent to Prometheus web API and external databases - - RRDSET_FLAG_UPSTREAM_SEND = (1 << 6), // if set, this chart should be sent upstream (streaming) - RRDSET_FLAG_UPSTREAM_IGNORE = (1 << 7), // if set, this chart should not be sent upstream (streaming) - - RRDSET_FLAG_STORE_FIRST = (1 << 8), // if set, do not eliminate the first collection during interpolation - RRDSET_FLAG_HETEROGENEOUS = (1 << 9), // if set, the chart is not homogeneous (dimensions in it have multiple algorithms, multipliers or dividers) - RRDSET_FLAG_HOMOGENEOUS_CHECK = (1 << 10), // if set, the chart should be checked to determine if the dimensions are homogeneous - RRDSET_FLAG_HIDDEN = (1 << 11), // if set, do not show this chart on the dashboard, but use it for exporting - RRDSET_FLAG_SYNC_CLOCK = (1 << 12), // if set, microseconds on next data collection will be ignored (the chart will be synced to now) - RRDSET_FLAG_OBSOLETE_DIMENSIONS = (1 << 13), // this is marked by the collector/module when a chart has obsolete dimensions - - RRDSET_FLAG_METADATA_UPDATE = (1 << 14), // Mark that metadata needs to be stored - RRDSET_FLAG_ANOMALY_DETECTION = (1 << 15), // flag to identify anomaly detection charts. - RRDSET_FLAG_INDEXED_ID = (1 << 16), // the rrdset is indexed by its id - RRDSET_FLAG_INDEXED_NAME = (1 << 17), // the rrdset is indexed by its name - - RRDSET_FLAG_PENDING_HEALTH_INITIALIZATION = (1 << 18), - - RRDSET_FLAG_SENDER_REPLICATION_IN_PROGRESS = (1 << 19), // the sending side has replication in progress - RRDSET_FLAG_SENDER_REPLICATION_FINISHED = (1 << 20), // the sending side has completed replication - RRDSET_FLAG_RECEIVER_REPLICATION_IN_PROGRESS = (1 << 21), // the receiving side has replication in progress - RRDSET_FLAG_RECEIVER_REPLICATION_FINISHED = (1 << 22), // the receiving side has completed replication - - RRDSET_FLAG_UPSTREAM_SEND_VARIABLES = (1 << 23), // a custom variable has been updated and needs to be exposed to parent - - RRDSET_FLAG_COLLECTION_FINISHED = (1 << 24), // when set, data collection is not available for this chart - - RRDSET_FLAG_HAS_RRDCALC_LINKED = (1 << 25), // this chart has at least one rrdcal linked -} RRDSET_FLAGS; - -#define rrdset_flag_get(st) __atomic_load_n(&((st)->flags), __ATOMIC_ACQUIRE) -#define rrdset_flag_check(st, flag) (__atomic_load_n(&((st)->flags), __ATOMIC_ACQUIRE) & (flag)) -#define rrdset_flag_set(st, flag) __atomic_or_fetch(&((st)->flags), flag, __ATOMIC_RELEASE) -#define rrdset_flag_clear(st, flag) __atomic_and_fetch(&((st)->flags), ~(flag), __ATOMIC_RELEASE) - -#define rrdset_is_replicating(st) (rrdset_flag_check(st, RRDSET_FLAG_SENDER_REPLICATION_IN_PROGRESS|RRDSET_FLAG_RECEIVER_REPLICATION_IN_PROGRESS) \ - && !rrdset_flag_check(st, RRDSET_FLAG_SENDER_REPLICATION_FINISHED|RRDSET_FLAG_RECEIVER_REPLICATION_FINISHED)) - -struct pluginsd_rrddim { - RRDDIM_ACQUIRED *rda; - RRDDIM *rd; - const char *id; -}; - -struct rrdset { - uuid_t chart_uuid; // the global UUID for this chart - - // ------------------------------------------------------------------------ - // chart configuration - - struct { - STRING *type; // the type of {type}.{id} - STRING *id; // the id of {type}.{id} - STRING *name; // the name of {type}.{name} - } parts; - - STRING *id; // the unique ID of the rrdset as {type}.{id} - STRING *name; // the unique name of the rrdset as {type}.{name} - STRING *family; // grouping sets under the same family - STRING *title; // title shown to user - STRING *units; // units of measurement - STRING *context; // the template of this data set - STRING *plugin_name; // the name of the plugin that generated this - STRING *module_name; // the name of the plugin module that generated this - - int32_t priority; // the sorting priority of this chart - int32_t update_every; // data collection frequency - - RRDLABELS *rrdlabels; // chart labels - DICTIONARY *rrdsetvar_root_index; // chart variables - DICTIONARY *rrddimvar_root_index; // dimension variables - // we use this dictionary to manage their allocation - - uint32_t version; // the metadata version (auto-increment) - - RRDSET_TYPE chart_type; // line, area, stacked - - // ------------------------------------------------------------------------ - // operational state members - - RRDSET_FLAGS flags; // flags - RRD_MEMORY_MODE rrd_memory_mode; // the db mode of this rrdset - - DICTIONARY *rrddim_root_index; // dimensions index - - rrd_ml_chart_t *ml_chart; - - STORAGE_METRICS_GROUP *storage_metrics_groups[RRD_STORAGE_TIERS]; - - // ------------------------------------------------------------------------ - // linking to siblings and parents - - RRDHOST *rrdhost; // pointer to RRDHOST this chart belongs to - - struct { - RRDINSTANCE_ACQUIRED *rrdinstance; // the rrdinstance of this chart - RRDCONTEXT_ACQUIRED *rrdcontext; // the rrdcontext this chart belongs to - bool collected; - } rrdcontexts; - - // ------------------------------------------------------------------------ - // data collection members - - SPINLOCK data_collection_lock; - - uint32_t counter; // the number of times we added values to this database - uint32_t counter_done; // the number of times rrdset_done() has been called - - time_t last_accessed_time_s; // the last time this RRDSET has been accessed - usec_t usec_since_last_update; // the time in microseconds since the last collection of data - - struct timeval last_updated; // when this data set was last updated (updated every time the rrd_stats_done() function) - struct timeval last_collected_time; // when did this data set last collected values - - size_t rrdlabels_last_saved_version; - - DICTIONARY *functions_view; // collector functions this rrdset supports, can be NULL - - // ------------------------------------------------------------------------ - // data collection - streaming to parents, temp variables - - struct { - struct { - uint32_t sent_version; - uint32_t chart_slot; - uint32_t dim_last_slot_used; - - time_t resync_time_s; // the timestamp up to which we should resync clock upstream - } sender; - } rrdpush; - - // ------------------------------------------------------------------------ - // db mode SAVE, MAP specifics - // TODO - they should be managed by storage engine - // (RRDSET_DB_STATE ptr to an undefined structure, and a call to clean this up during destruction) - - struct { - char *cache_dir; // the directory to store dimensions - void *st_on_file; // compatibility with V019 RRDSET files - - int32_t entries; // total number of entries in the data set - - int32_t current_entry; // the entry that is currently being updated - // it goes around in a round-robin fashion - } db; - - // ------------------------------------------------------------------------ - // exporting to 3rd party time-series members - // TODO - they should be managed by exporting engine - // (RRDSET_EXPORTING_STATE ptr to an undefined structure, and a call to clean this up during destruction) - - RRDSET_FLAGS *exporting_flags; // array of flags for exporting connector instances - - // ------------------------------------------------------------------------ - // health monitoring members - // TODO - they should be managed by health - // (RRDSET_HEALTH_STATE ptr to an undefined structure, and a call to clean this up during destruction) - - NETDATA_DOUBLE green; // green threshold for this chart - NETDATA_DOUBLE red; // red threshold for this chart - - DICTIONARY *rrdvars; // RRDVAR index for this chart - const RRDFAMILY_ACQUIRED *rrdfamily; // pointer to RRDFAMILY dictionary item, this chart belongs to - - struct { - RW_SPINLOCK spinlock; // protection for RRDCALC *base - RRDCALC *base; // double linked list of RRDCALC related to this RRDSET - } alerts; - - struct { - SPINLOCK spinlock; // used only for cleanup - pid_t collector_tid; - bool dims_with_slots; - bool set; - uint32_t pos; - int32_t last_slot; - uint32_t size; - struct pluginsd_rrddim *prd_array; - } pluginsd; - -#ifdef NETDATA_LOG_REPLICATION_REQUESTS - struct { - bool log_next_data_collection; - bool start_streaming; - time_t after; - time_t before; - } replay; -#endif // NETDATA_LOG_REPLICATION_REQUESTS -}; - -#define rrdset_plugin_name(st) string2str((st)->plugin_name) -#define rrdset_module_name(st) string2str((st)->module_name) -#define rrdset_units(st) string2str((st)->units) -#define rrdset_parts_type(st) string2str((st)->parts.type) -#define rrdset_family(st) string2str((st)->family) -#define rrdset_title(st) string2str((st)->title) -#define rrdset_context(st) string2str((st)->context) -#define rrdset_name(st) string2str((st)->name) -#define rrdset_id(st) string2str((st)->id) - -static inline uint32_t rrdset_metadata_version(RRDSET *st) { - return __atomic_load_n(&st->version, __ATOMIC_RELAXED); -} - -static inline uint32_t rrdset_metadata_upstream_version(RRDSET *st) { - return __atomic_load_n(&st->rrdpush.sender.sent_version, __ATOMIC_RELAXED); -} - -void rrdset_metadata_updated(RRDSET *st); - -static inline void rrdset_metadata_exposed_upstream(RRDSET *st, uint32_t version) { - __atomic_store_n(&st->rrdpush.sender.sent_version, version, __ATOMIC_RELAXED); -} - -static inline bool rrdset_check_upstream_exposed(RRDSET *st) { - return rrdset_metadata_version(st) == rrdset_metadata_upstream_version(st); -} - -static inline uint32_t rrddim_metadata_version(RRDDIM *rd) { - // the metadata version of the dimension, is the version of the chart - return rrdset_metadata_version(rd->rrdset); -} - -static inline uint32_t rrddim_metadata_upstream_version(RRDDIM *rd) { - return __atomic_load_n(&rd->rrdpush.sender.sent_version, __ATOMIC_RELAXED); -} - -void rrddim_metadata_updated(RRDDIM *rd); - -static inline void rrddim_metadata_exposed_upstream(RRDDIM *rd, uint32_t version) { - __atomic_store_n(&rd->rrdpush.sender.sent_version, version, __ATOMIC_RELAXED); -} - -static inline void rrddim_metadata_exposed_upstream_clear(RRDDIM *rd) { - __atomic_store_n(&rd->rrdpush.sender.sent_version, 0, __ATOMIC_RELAXED); -} - -static inline bool rrddim_check_upstream_exposed(RRDDIM *rd) { - return rrddim_metadata_upstream_version(rd) != 0; -} - -// the collector sets the exposed flag, but anyone can remove it -// still, it can be removed, after the collector has finished -// so, it is safe to check it without atomics -static inline bool rrddim_check_upstream_exposed_collector(RRDDIM *rd) { - return rd->rrdset->version == rd->rrdpush.sender.sent_version; -} - -STRING *rrd_string_strdupz(const char *s); - -// ---------------------------------------------------------------------------- -// these loop macros make sure the linked list is accessed with the right lock - -#define rrdset_foreach_read(st, host) \ - dfe_start_read((host)->rrdset_root_index, st) - -#define rrdset_foreach_write(st, host) \ - dfe_start_write((host)->rrdset_root_index, st) - -#define rrdset_foreach_reentrant(st, host) \ - dfe_start_reentrant((host)->rrdset_root_index, st) - -#define rrdset_foreach_done(st) \ - dfe_done(st) - -#define rrdset_number_of_dimensions(st) \ - dictionary_entries((st)->rrddim_root_index) - -void rrdset_memory_file_save(RRDSET *st); -void rrdset_memory_file_free(RRDSET *st); -void rrdset_memory_file_update(RRDSET *st); -const char *rrdset_cache_filename(RRDSET *st); -bool rrdset_memory_load_or_create_map_save(RRDSET *st_on_file, RRD_MEMORY_MODE memory_mode); - -#include "rrdfunctions.h" - -// ---------------------------------------------------------------------------- -// RRDHOST flags -// use this for configuration flags, not for state control -// flags are set/unset in a manner that is not thread safe -// and may lead to missing information. - -typedef enum __attribute__ ((__packed__)) rrdhost_flags { - - // Careful not to overlap with rrdhost_options to avoid bugs if - // rrdhost_flags_xxx is used instead of rrdhost_option_xxx or vice-versa - // Orphan, Archived and Obsolete flags - RRDHOST_FLAG_ORPHAN = (1 << 8), // this host is orphan (not receiving data) - RRDHOST_FLAG_ARCHIVED = (1 << 9), // The host is archived, no collected charts yet - RRDHOST_FLAG_PENDING_OBSOLETE_CHARTS = (1 << 10), // the host has pending chart obsoletions - RRDHOST_FLAG_PENDING_OBSOLETE_DIMENSIONS = (1 << 11), // the host has pending dimension obsoletions - - // Streaming sender - RRDHOST_FLAG_RRDPUSH_SENDER_INITIALIZED = (1 << 12), // the host has initialized rrdpush structures - RRDHOST_FLAG_RRDPUSH_SENDER_SPAWN = (1 << 13), // When set, the sender thread is running - RRDHOST_FLAG_RRDPUSH_SENDER_CONNECTED = (1 << 14), // When set, the host is connected to a parent - RRDHOST_FLAG_RRDPUSH_SENDER_READY_4_METRICS = (1 << 15), // when set, rrdset_done() should push metrics to parent - RRDHOST_FLAG_RRDPUSH_SENDER_LOGGED_STATUS = (1 << 16), // when set, we have logged the status of metrics streaming - - // Health - RRDHOST_FLAG_PENDING_HEALTH_INITIALIZATION = (1 << 17), // contains charts and dims with uninitialized variables - RRDHOST_FLAG_INITIALIZED_HEALTH = (1 << 18), // the host has initialized health structures - - // Exporting - RRDHOST_FLAG_EXPORTING_SEND = (1 << 19), // send it to external databases - RRDHOST_FLAG_EXPORTING_DONT_SEND = (1 << 20), // don't send it to external databases - - // ACLK - RRDHOST_FLAG_ACLK_STREAM_CONTEXTS = (1 << 21), // when set, we should send ACLK stream context updates - RRDHOST_FLAG_ACLK_STREAM_ALERTS = (1 << 22), // set when the receiver part is disconnected - - // Metadata - RRDHOST_FLAG_METADATA_UPDATE = (1 << 23), // metadata needs to be stored in the database - RRDHOST_FLAG_METADATA_LABELS = (1 << 24), // metadata needs to be stored in the database - RRDHOST_FLAG_METADATA_INFO = (1 << 25), // metadata needs to be stored in the database - RRDHOST_FLAG_PENDING_CONTEXT_LOAD = (1 << 26), // metadata needs to be stored in the database - RRDHOST_FLAG_CONTEXT_LOAD_IN_PROGRESS = (1 << 27), // metadata needs to be stored in the database - - RRDHOST_FLAG_METADATA_CLAIMID = (1 << 28), // metadata needs to be stored in the database - RRDHOST_FLAG_RRDPUSH_RECEIVER_DISCONNECTED = (1 << 29), // set when the receiver part is disconnected - - RRDHOST_FLAG_GLOBAL_FUNCTIONS_UPDATED = (1 << 30), // set when the host has updated global functions -} RRDHOST_FLAGS; - -#define rrdhost_flag_check(host, flag) (__atomic_load_n(&((host)->flags), __ATOMIC_SEQ_CST) & (flag)) -#define rrdhost_flag_set(host, flag) __atomic_or_fetch(&((host)->flags), flag, __ATOMIC_SEQ_CST) -#define rrdhost_flag_clear(host, flag) __atomic_and_fetch(&((host)->flags), ~(flag), __ATOMIC_SEQ_CST) - -#ifdef NETDATA_INTERNAL_CHECKS -#define rrdset_debug(st, fmt, args...) do { if(unlikely(debug_flags & D_RRD_STATS && rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) \ - netdata_logger(NDLS_DEBUG, NDLP_DEBUG, __FILE__, __FUNCTION__, __LINE__, "%s: " fmt, rrdset_name(st), ##args); } while(0) -#else -#define rrdset_debug(st, fmt, args...) debug_dummy() -#endif - -typedef enum __attribute__ ((__packed__)) { - // Indexing - RRDHOST_OPTION_INDEXED_MACHINE_GUID = (1 << 0), // when set, we have indexed its machine guid - RRDHOST_OPTION_INDEXED_HOSTNAME = (1 << 1), // when set, we have indexed its hostname - - // Streaming configuration - RRDHOST_OPTION_SENDER_ENABLED = (1 << 2), // set when the host is configured to send metrics to a parent - - // Configuration options - RRDHOST_OPTION_DELETE_OBSOLETE_CHARTS = (1 << 3), // delete files of obsolete charts - RRDHOST_OPTION_DELETE_ORPHAN_HOST = (1 << 4), // delete the entire host when orphan - - RRDHOST_OPTION_REPLICATION = (1 << 5), // when set, we support replication for this host - - RRDHOST_OPTION_VIRTUAL_HOST = (1 << 6), // when set, this host is a virtual one - RRDHOST_OPTION_EPHEMERAL_HOST = (1 << 7), // when set, this host is an ephemeral one -} RRDHOST_OPTIONS; - -#define rrdhost_option_check(host, flag) ((host)->options & (flag)) -#define rrdhost_option_set(host, flag) (host)->options |= flag -#define rrdhost_option_clear(host, flag) (host)->options &= ~(flag) - -#define rrdhost_has_rrdpush_sender_enabled(host) (rrdhost_option_check(host, RRDHOST_OPTION_SENDER_ENABLED) && (host)->sender) - -#define rrdhost_can_send_definitions_to_parent(host) (rrdhost_has_rrdpush_sender_enabled(host) && rrdhost_flag_check(host, RRDHOST_FLAG_RRDPUSH_SENDER_CONNECTED)) - -// ---------------------------------------------------------------------------- -// Health data - -struct alarm_entry { - uint32_t unique_id; - uint32_t alarm_id; - uint32_t alarm_event_id; - usec_t global_id; - uuid_t config_hash_id; - uuid_t transition_id; - - time_t when; - time_t duration; - time_t non_clear_duration; - - STRING *name; - STRING *chart; - STRING *chart_context; - STRING *chart_name; - - STRING *classification; - STRING *component; - STRING *type; - - STRING *exec; - STRING *recipient; - time_t exec_run_timestamp; - int exec_code; - uint64_t exec_spawn_serial; - - STRING *source; - STRING *units; - STRING *summary; - STRING *info; - - NETDATA_DOUBLE old_value; - NETDATA_DOUBLE new_value; - - STRING *old_value_string; - STRING *new_value_string; - - RRDCALC_STATUS old_status; - RRDCALC_STATUS new_status; - - uint32_t flags; - - int delay; - time_t delay_up_to_timestamp; - - uint32_t updated_by_id; - uint32_t updates_id; - - time_t last_repeat; - - struct alarm_entry *next; - struct alarm_entry *next_in_progress; - struct alarm_entry *prev_in_progress; -}; - -#define ae_name(ae) string2str((ae)->name) -#define ae_chart_id(ae) string2str((ae)->chart) -#define ae_chart_name(ae) string2str((ae)->chart_name) -#define ae_chart_context(ae) string2str((ae)->chart_context) -#define ae_classification(ae) string2str((ae)->classification) -#define ae_exec(ae) string2str((ae)->exec) -#define ae_recipient(ae) string2str((ae)->recipient) -#define ae_source(ae) string2str((ae)->source) -#define ae_units(ae) string2str((ae)->units) -#define ae_summary(ae) string2str((ae)->summary) -#define ae_info(ae) string2str((ae)->info) -#define ae_old_value_string(ae) string2str((ae)->old_value_string) -#define ae_new_value_string(ae) string2str((ae)->new_value_string) - -typedef struct alarm_log { - uint32_t next_log_id; - uint32_t next_alarm_id; - unsigned int count; - unsigned int max; - uint32_t health_log_history; // the health log history in seconds to be kept in db - ALARM_ENTRY *alarms; - RW_SPINLOCK spinlock; -} ALARM_LOG; - -typedef struct health { - time_t health_delay_up_to; // a timestamp to delay alarms processing up to - STRING *health_default_exec; // the full path of the alarms notifications program - STRING *health_default_recipient; // the default recipient for all alarms - uint32_t health_default_warn_repeat_every; // the default value for the interval between repeating warning notifications - uint32_t health_default_crit_repeat_every; // the default value for the interval between repeating critical notifications - unsigned int health_enabled; // 1 when this host has health enabled - bool use_summary_for_notifications; // whether or not to use the summary field as a subject for notifications -} HEALTH; - -// ---------------------------------------------------------------------------- -// RRD HOST - -struct rrdhost_system_info { - char *cloud_provider_type; - char *cloud_instance_type; - char *cloud_instance_region; - - char *host_os_name; - char *host_os_id; - char *host_os_id_like; - char *host_os_version; - char *host_os_version_id; - char *host_os_detection; - char *host_cores; - char *host_cpu_freq; - char *host_ram_total; - char *host_disk_space; - char *container_os_name; - char *container_os_id; - char *container_os_id_like; - char *container_os_version; - char *container_os_version_id; - char *container_os_detection; - char *kernel_name; - char *kernel_version; - char *architecture; - char *virtualization; - char *virt_detection; - char *container; - char *container_detection; - char *is_k8s_node; - uint16_t hops; - bool ml_capable; - bool ml_enabled; - char *install_type; - char *prebuilt_arch; - char *prebuilt_dist; - int mc_version; -}; - -struct rrdhost_system_info *rrdhost_labels_to_system_info(RRDLABELS *labels); - -struct rrdhost { - char machine_guid[GUID_LEN + 1]; // the unique ID of this host - - // ------------------------------------------------------------------------ - // host information - - STRING *hostname; // the hostname of this host - STRING *registry_hostname; // the registry hostname for this host - STRING *os; // the O/S type of the host - STRING *tags; // tags for this host - STRING *timezone; // the timezone of the host - STRING *abbrev_timezone; // the abbriviated timezone of the host - STRING *program_name; // the program name that collects metrics for this host - STRING *program_version; // the program version that collects metrics for this host - - int32_t utc_offset; // the offset in seconds from utc - - RRDHOST_OPTIONS options; // configuration option for this RRDHOST (no atomics on this) - RRDHOST_FLAGS flags; // runtime flags about this RRDHOST (atomics on this) - RRDHOST_FLAGS *exporting_flags; // array of flags for exporting connector instances - - int32_t rrd_update_every; // the update frequency of the host - int32_t rrd_history_entries; // the number of history entries for the host's charts - - RRD_MEMORY_MODE rrd_memory_mode; // the configured memory more for the charts of this host - // the actual per tier is at .db[tier].mode - - char *cache_dir; // the directory to save RRD cache files - - struct { - RRD_MEMORY_MODE mode; // the db mode for this tier - STORAGE_ENGINE *eng; // the storage engine API for this tier - STORAGE_INSTANCE *instance; // the db instance for this tier - uint32_t tier_grouping; // tier 0 iterations aggregated on this tier - } db[RRD_STORAGE_TIERS]; - - struct rrdhost_system_info *system_info; // information collected from the host environment - - // ------------------------------------------------------------------------ - // streaming of data to remote hosts - rrdpush sender - - struct { - struct { - struct { - struct { - SPINLOCK spinlock; - - bool ignore; // when set, freeing slots will not put them in the available - uint32_t used; - uint32_t size; - uint32_t *array; - } available; // keep track of the available chart slots per host - - uint32_t last_used; // the last slot we used for a chart (increments only) - } pluginsd_chart_slots; - } send; - - struct { - struct { - SPINLOCK spinlock; // lock for the management of the allocation - uint32_t size; - RRDSET **array; - } pluginsd_chart_slots; - } receive; - } rrdpush; - - char *rrdpush_send_destination; // where to send metrics to - char *rrdpush_send_api_key; // the api key at the receiving netdata - struct rrdpush_destinations *destinations; // a linked list of possible destinations - struct rrdpush_destinations *destination; // the current destination from the above list - SIMPLE_PATTERN *rrdpush_send_charts_matching; // pattern to match the charts to be sent - - int32_t rrdpush_last_receiver_exit_reason; - time_t rrdpush_seconds_to_replicate; // max time we want to replicate from the child - time_t rrdpush_replication_step; // seconds per replication step - size_t rrdpush_receiver_replicating_charts; // the number of charts currently being replicated from a child - NETDATA_DOUBLE rrdpush_receiver_replication_percent; // the % of replication completion - - // the following are state information for the threading - // streaming metrics from this netdata to an upstream netdata - struct sender_state *sender; - netdata_thread_t rrdpush_sender_thread; // the sender thread - size_t rrdpush_sender_replicating_charts; // the number of charts currently being replicated to a parent - struct aclk_sync_cfg_t *aclk_config; - - uint32_t rrdpush_receiver_connection_counter; // the number of times this receiver has connected - uint32_t rrdpush_sender_connection_counter; // the number of times this sender has connected - - // ------------------------------------------------------------------------ - // streaming of data from remote hosts - rrdpush receiver - - time_t last_connected; // last time child connected (stored in db) - time_t child_connect_time; // the time the last sender was connected - time_t child_last_chart_command; // the time of the last CHART streaming command - time_t child_disconnected_time; // the time the last sender was disconnected - int connected_children_count; // number of senders currently streaming - - struct receiver_state *receiver; - netdata_mutex_t receiver_lock; - int trigger_chart_obsoletion_check; // set when child connects, will instruct parent to - // trigger a check for obsoleted charts since previous connect - - // ------------------------------------------------------------------------ - // health monitoring options - - // health variables - HEALTH health; - - // all RRDCALCs are primarily allocated and linked here - DICTIONARY *rrdcalc_root_index; - - // templates of alarms - DICTIONARY *rrdcalctemplate_root_index; - - ALARM_LOG health_log; // alarms historical events (event log) - uint32_t health_last_processed_id; // the last processed health id from the log - uint32_t health_max_unique_id; // the max alarm log unique id given for the host - uint32_t health_max_alarm_id; // the max alarm id given for the host - size_t health_transitions; // the number of times an alert changed state - - // ------------------------------------------------------------------------ - // locks - - SPINLOCK rrdhost_update_lock; - - // ------------------------------------------------------------------------ - // ML handle - rrd_ml_host_t *ml_host; - - // ------------------------------------------------------------------------ - // Support for host-level labels - RRDLABELS *rrdlabels; - - // ------------------------------------------------------------------------ - // Support for functions - DICTIONARY *functions; // collector functions this rrdset supports, can be NULL - - // ------------------------------------------------------------------------ - // indexes - - DICTIONARY *rrdset_root_index; // the host's charts index (by id) - DICTIONARY *rrdset_root_index_name; // the host's charts index (by name) - - DICTIONARY *rrdfamily_root_index; // the host's chart families index - DICTIONARY *rrdvars; // the host's chart variables index - // this includes custom host variables - - struct { - DICTIONARY *contexts; - DICTIONARY *hub_queue; - DICTIONARY *pp_queue; - uint32_t metrics; - uint32_t instances; - } rrdctx; - - struct { - SPINLOCK spinlock; - time_t first_time_s; - time_t last_time_s; - } retention; - - uuid_t host_uuid; // Global GUID for this host - uuid_t *node_id; // Cloud node_id - - netdata_mutex_t aclk_state_lock; - aclk_rrdhost_state aclk_state; - - DICTIONARY *configurable_plugins; // configurable plugins for this host - - struct rrdhost *next; - struct rrdhost *prev; -}; -extern RRDHOST *localhost; - -#define rrdhost_hostname(host) string2str((host)->hostname) -#define rrdhost_registry_hostname(host) string2str((host)->registry_hostname) -#define rrdhost_os(host) string2str((host)->os) -#define rrdhost_tags(host) string2str((host)->tags) -#define rrdhost_timezone(host) string2str((host)->timezone) -#define rrdhost_abbrev_timezone(host) string2str((host)->abbrev_timezone) -#define rrdhost_program_name(host) string2str((host)->program_name) -#define rrdhost_program_version(host) string2str((host)->program_version) - -#define rrdhost_aclk_state_lock(host) netdata_mutex_lock(&((host)->aclk_state_lock)) -#define rrdhost_aclk_state_unlock(host) netdata_mutex_unlock(&((host)->aclk_state_lock)) - -#define rrdhost_receiver_replicating_charts(host) (__atomic_load_n(&((host)->rrdpush_receiver_replicating_charts), __ATOMIC_RELAXED)) -#define rrdhost_receiver_replicating_charts_plus_one(host) (__atomic_add_fetch(&((host)->rrdpush_receiver_replicating_charts), 1, __ATOMIC_RELAXED)) -#define rrdhost_receiver_replicating_charts_minus_one(host) (__atomic_sub_fetch(&((host)->rrdpush_receiver_replicating_charts), 1, __ATOMIC_RELAXED)) -#define rrdhost_receiver_replicating_charts_zero(host) (__atomic_store_n(&((host)->rrdpush_receiver_replicating_charts), 0, __ATOMIC_RELAXED)) - -#define rrdhost_sender_replicating_charts(host) (__atomic_load_n(&((host)->rrdpush_sender_replicating_charts), __ATOMIC_RELAXED)) -#define rrdhost_sender_replicating_charts_plus_one(host) (__atomic_add_fetch(&((host)->rrdpush_sender_replicating_charts), 1, __ATOMIC_RELAXED)) -#define rrdhost_sender_replicating_charts_minus_one(host) (__atomic_sub_fetch(&((host)->rrdpush_sender_replicating_charts), 1, __ATOMIC_RELAXED)) -#define rrdhost_sender_replicating_charts_zero(host) (__atomic_store_n(&((host)->rrdpush_sender_replicating_charts), 0, __ATOMIC_RELAXED)) - -#define rrdhost_is_online(host) ((host) == localhost || rrdhost_option_check(host, RRDHOST_OPTION_VIRTUAL_HOST) || !rrdhost_flag_check(host, RRDHOST_FLAG_ORPHAN | RRDHOST_FLAG_RRDPUSH_RECEIVER_DISCONNECTED)) -bool rrdhost_matches_window(RRDHOST *host, time_t after, time_t before, time_t now); - -extern DICTIONARY *rrdhost_root_index; -size_t rrdhost_hosts_available(void); - -RRDHOST_ACQUIRED *rrdhost_find_and_acquire(const char *machine_guid); -RRDHOST *rrdhost_acquired_to_rrdhost(RRDHOST_ACQUIRED *rha); -void rrdhost_acquired_release(RRDHOST_ACQUIRED *rha); - -// ---------------------------------------------------------------------------- - -#define rrdhost_foreach_read(var) \ - for((var) = localhost; var ; (var) = (var)->next) - -#define rrdhost_foreach_write(var) \ - for((var) = localhost; var ; (var) = (var)->next) - - -// ---------------------------------------------------------------------------- -// global lock for all RRDHOSTs - -extern netdata_rwlock_t rrd_rwlock; - -#define rrd_rdlock() netdata_rwlock_rdlock(&rrd_rwlock) -#define rrd_wrlock() netdata_rwlock_wrlock(&rrd_rwlock) -#define rrd_unlock() netdata_rwlock_unlock(&rrd_rwlock) - -// ---------------------------------------------------------------------------- - -bool is_storage_engine_shared(STORAGE_INSTANCE *engine); -void rrdset_index_init(RRDHOST *host); -void rrdset_index_destroy(RRDHOST *host); - -void rrddim_index_init(RRDSET *st); -void rrddim_index_destroy(RRDSET *st); - -// ---------------------------------------------------------------------------- - -extern time_t rrdhost_free_orphan_time_s; -extern time_t rrdhost_free_ephemeral_time_s; - -int rrd_init(char *hostname, struct rrdhost_system_info *system_info, bool unittest); - -RRDHOST *rrdhost_find_by_hostname(const char *hostname); -RRDHOST *rrdhost_find_by_guid(const char *guid); -RRDHOST *find_host_by_node_id(char *node_id); - -RRDHOST *rrdhost_find_or_create( - const char *hostname, - const char *registry_hostname, - const char *guid, - const char *os, - const char *timezone, - const char *abbrev_timezone, - int32_t utc_offset, - const char *tags, - const char *program_name, - const char *program_version, - int update_every, - long history, - RRD_MEMORY_MODE mode, - unsigned int health_enabled, - unsigned int rrdpush_enabled, - char *rrdpush_destination, - char *rrdpush_api_key, - char *rrdpush_send_charts_matching, - bool rrdpush_enable_replication, - time_t rrdpush_seconds_to_replicate, - time_t rrdpush_replication_step, - struct rrdhost_system_info *system_info, - bool is_archived); - -int rrdhost_set_system_info_variable(struct rrdhost_system_info *system_info, char *name, char *value); - -// ---------------------------------------------------------------------------- -// RRDSET functions - -int rrdset_reset_name(RRDSET *st, const char *name); - -RRDSET *rrdset_create_custom(RRDHOST *host - , const char *type - , const char *id - , const char *name - , const char *family - , const char *context - , const char *title - , const char *units - , const char *plugin - , const char *module - , long priority - , int update_every - , RRDSET_TYPE chart_type - , RRD_MEMORY_MODE memory_mode - , long history_entries); - -#define rrdset_create(host, type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type) \ - rrdset_create_custom(host, type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type, (host)->rrd_memory_mode, (host)->rrd_history_entries) - -#define rrdset_create_localhost(type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type) \ - rrdset_create(localhost, type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type) - -void rrdhost_free_all(void); -void rrdhost_save_all(void); -void rrdhost_cleanup_all(void); - -void rrdhost_system_info_free(struct rrdhost_system_info *system_info); -void rrdhost_free___while_having_rrd_wrlock(RRDHOST *host, bool force); -void rrdhost_save_charts(RRDHOST *host); -void rrdhost_delete_charts(RRDHOST *host); - -int rrdhost_should_be_removed(RRDHOST *host, RRDHOST *protected_host, time_t now_s); - -void rrdset_update_heterogeneous_flag(RRDSET *st); - -time_t rrdset_set_update_every_s(RRDSET *st, time_t update_every_s); - -RRDSET *rrdset_find(RRDHOST *host, const char *id); - -RRDSET_ACQUIRED *rrdset_find_and_acquire(RRDHOST *host, const char *id); -RRDSET *rrdset_acquired_to_rrdset(RRDSET_ACQUIRED *rsa); -void rrdset_acquired_release(RRDSET_ACQUIRED *rsa); - -#define rrdset_find_localhost(id) rrdset_find(localhost, id) -/* This will not return charts that are archived */ -static inline RRDSET *rrdset_find_active_localhost(const char *id) -{ - RRDSET *st = rrdset_find_localhost(id); - return st; -} - -RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id); -#define rrdset_find_bytype_localhost(type, id) rrdset_find_bytype(localhost, type, id) -/* This will not return charts that are archived */ -static inline RRDSET *rrdset_find_active_bytype_localhost(const char *type, const char *id) -{ - RRDSET *st = rrdset_find_bytype_localhost(type, id); - return st; -} - -RRDSET *rrdset_find_byname(RRDHOST *host, const char *name); -#define rrdset_find_byname_localhost(name) rrdset_find_byname(localhost, name) -/* This will not return charts that are archived */ -static inline RRDSET *rrdset_find_active_byname_localhost(const char *name) -{ - RRDSET *st = rrdset_find_byname_localhost(name); - return st; -} - -void rrdset_next_usec_unfiltered(RRDSET *st, usec_t microseconds); -void rrdset_next_usec(RRDSET *st, usec_t microseconds); -void rrdset_timed_next(RRDSET *st, struct timeval now, usec_t microseconds); -#define rrdset_next(st) rrdset_next_usec(st, 0ULL) - -void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next); -void rrdset_done(RRDSET *st); - -void rrdset_is_obsolete___safe_from_collector_thread(RRDSET *st); -void rrdset_isnot_obsolete___safe_from_collector_thread(RRDSET *st); - -// checks if the RRDSET should be offered to viewers -#define rrdset_is_available_for_viewers(st) (!rrdset_flag_check(st, RRDSET_FLAG_HIDDEN) && !rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE) && rrdset_number_of_dimensions(st) && (st)->rrd_memory_mode != RRD_MEMORY_MODE_NONE) -#define rrdset_is_available_for_exporting_and_alarms(st) (!rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE) && rrdset_number_of_dimensions(st)) - -time_t rrddim_first_entry_s(RRDDIM *rd); -time_t rrddim_first_entry_s_of_tier(RRDDIM *rd, size_t tier); -time_t rrddim_last_entry_s(RRDDIM *rd); -time_t rrddim_last_entry_s_of_tier(RRDDIM *rd, size_t tier); - -time_t rrdset_first_entry_s(RRDSET *st); -time_t rrdset_first_entry_s_of_tier(RRDSET *st, size_t tier); -time_t rrdset_last_entry_s(RRDSET *st); -time_t rrdset_last_entry_s_of_tier(RRDSET *st, size_t tier); - -void rrdset_get_retention_of_tier_for_collected_chart(RRDSET *st, time_t *first_time_s, time_t *last_time_s, time_t now_s, size_t tier); - -void rrdset_update_rrdlabels(RRDSET *st, RRDLABELS *new_rrdlabels); - -// ---------------------------------------------------------------------------- -// RRD DIMENSION functions - -RRDDIM *rrddim_add_custom(RRDSET *st - , const char *id - , const char *name - , collected_number multiplier - , collected_number divisor - , RRD_ALGORITHM algorithm - , RRD_MEMORY_MODE memory_mode - ); - -#define rrddim_add(st, id, name, multiplier, divisor, algorithm) \ - rrddim_add_custom(st, id, name, multiplier, divisor, algorithm, (st)->rrd_memory_mode) - -int rrddim_reset_name(RRDSET *st, RRDDIM *rd, const char *name); -int rrddim_set_algorithm(RRDSET *st, RRDDIM *rd, RRD_ALGORITHM algorithm); -int rrddim_set_multiplier(RRDSET *st, RRDDIM *rd, int32_t multiplier); -int rrddim_set_divisor(RRDSET *st, RRDDIM *rd, int32_t divisor); - -RRDDIM *rrddim_find(RRDSET *st, const char *id); -RRDDIM_ACQUIRED *rrddim_find_and_acquire(RRDSET *st, const char *id); -RRDDIM *rrddim_acquired_to_rrddim(RRDDIM_ACQUIRED *rda); -void rrddim_acquired_release(RRDDIM_ACQUIRED *rda); -RRDDIM *rrddim_find_active(RRDSET *st, const char *id); - -int rrddim_hide(RRDSET *st, const char *id); -int rrddim_unhide(RRDSET *st, const char *id); - -void rrddim_is_obsolete___safe_from_collector_thread(RRDSET *st, RRDDIM *rd); -void rrddim_isnot_obsolete___safe_from_collector_thread(RRDSET *st, RRDDIM *rd); - -collected_number rrddim_timed_set_by_pointer(RRDSET *st, RRDDIM *rd, struct timeval collected_time, collected_number value); -collected_number rrddim_set_by_pointer(RRDSET *st, RRDDIM *rd, collected_number value); -collected_number rrddim_set(RRDSET *st, const char *id, collected_number value); - -bool rrddim_finalize_collection_and_check_retention(RRDDIM *rd); -void rrdset_finalize_collection(RRDSET *st, bool dimensions_too); -void rrdhost_finalize_collection(RRDHOST *host); -void rrd_finalize_collection_for_all_hosts(void); - -long align_entries_to_pagesize(RRD_MEMORY_MODE mode, long entries); - -#ifdef NETDATA_LOG_COLLECTION_ERRORS -#define rrddim_store_metric(rd, point_end_time_ut, n, flags) rrddim_store_metric_with_trace(rd, point_end_time_ut, n, flags, __FUNCTION__) -void rrddim_store_metric_with_trace(RRDDIM *rd, usec_t point_end_time_ut, NETDATA_DOUBLE n, SN_FLAGS flags, const char *function); -#else -void rrddim_store_metric(RRDDIM *rd, usec_t point_end_time_ut, NETDATA_DOUBLE n, SN_FLAGS flags); -#endif - -// ---------------------------------------------------------------------------- -// Miscellaneous functions - -char *rrdset_strncpyz_name(char *to, const char *from, size_t length); -void reload_host_labels(void); -void rrdhost_set_is_parent_label(void); - -// ---------------------------------------------------------------------------- -// RRD internal functions - -void rrdset_delete_files(RRDSET *st); -void rrdset_save(RRDSET *st); -void rrdset_free(RRDSET *st); - -void rrddim_free(RRDSET *st, RRDDIM *rd); - -#ifdef NETDATA_RRD_INTERNALS - -char *rrdhost_cache_dir_for_rrdset_alloc(RRDHOST *host, const char *id); -const char *rrdset_cache_dir(RRDSET *st); - -void rrdset_reset(RRDSET *st); -void rrdset_delete_obsolete_dimensions(RRDSET *st); - -#endif /* NETDATA_RRD_INTERNALS */ - -void set_host_properties( - RRDHOST *host, int update_every, RRD_MEMORY_MODE memory_mode, const char *registry_hostname, - const char *os, const char *tags, const char *tzone, const char *abbrev_tzone, int32_t utc_offset, - const char *program_name, const char *program_version); - -size_t get_tier_grouping(size_t tier); -void store_metric_collection_completed(void); - -static inline void rrdhost_retention(RRDHOST *host, time_t now, bool online, time_t *from, time_t *to) { - time_t first_time_s = 0, last_time_s = 0; - spinlock_lock(&host->retention.spinlock); - first_time_s = host->retention.first_time_s; - last_time_s = host->retention.last_time_s; - spinlock_unlock(&host->retention.spinlock); - - if(from) - *from = first_time_s; - - if(to) - *to = online ? now : last_time_s; -} - -void rrdhost_pluginsd_send_chart_slots_free(RRDHOST *host); -void rrdhost_pluginsd_receive_chart_slots_free(RRDHOST *host); -void rrdset_pluginsd_receive_unslot_and_cleanup(RRDSET *st); -void rrdset_pluginsd_receive_unslot(RRDSET *st); - -// ---------------------------------------------------------------------------- -static inline double rrddim_get_last_stored_value(RRDDIM *rd_dim, double *max_value, double div) { - if (!rd_dim) - return NAN; - - if (isnan(div) || div == 0.0) - div = 1.0; - - double value = rd_dim->collector.last_stored_value / div; - value = ABS(value); - - *max_value = MAX(*max_value, value); - - return value; -} - -// -// RRD DB engine declarations - -#ifdef ENABLE_DBENGINE -#include "database/engine/rrdengineapi.h" -#endif -#include "sqlite/sqlite_functions.h" -#include "sqlite/sqlite_context.h" -#include "sqlite/sqlite_metadata.h" -#include "sqlite/sqlite_aclk.h" -#include "sqlite/sqlite_aclk_alert.h" -#include "sqlite/sqlite_aclk_node.h" -#include "sqlite/sqlite_health.h" - -#ifdef __cplusplus -} -#endif - -#endif /* NETDATA_RRD_H */ |