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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2022-11-30 18:47:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2022-11-30 18:47:05 +0000 |
| commit | 97e01009d69b8fbebfebf68f51e3d126d0ed43fc (patch) | |
| tree | 02e8b836c3a9d89806f3e67d4a5fe9f52dbb0061 /database/rrd.h | |
| parent | Releasing debian version 1.36.1-1. (diff) | |
| download | netdata-97e01009d69b8fbebfebf68f51e3d126d0ed43fc.tar.xz netdata-97e01009d69b8fbebfebf68f51e3d126d0ed43fc.zip | |
Merging upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'database/rrd.h')
| -rw-r--r-- | database/rrd.h | 1159 |
1 files changed, 614 insertions, 545 deletions
diff --git a/database/rrd.h b/database/rrd.h index 605ff50b..f071ee25 100644 --- a/database/rrd.h +++ b/database/rrd.h @@ -11,26 +11,40 @@ extern "C" { // 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 rrdvar RRDVAR; -typedef struct rrdsetvar RRDSETVAR; -typedef struct rrddimvar RRDDIMVAR; typedef struct rrdcalc RRDCALC; typedef struct rrdcalctemplate RRDCALCTEMPLATE; typedef struct alarm_entry ALARM_ENTRY; -typedef struct context_param CONTEXT_PARAM; + +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 void *ml_host_t; typedef void *ml_dimension_t; +typedef enum { + QUERY_SOURCE_UNKNOWN, + QUERY_SOURCE_API_DATA, + QUERY_SOURCE_API_BADGE, + QUERY_SOURCE_API_WEIGHTS, + QUERY_SOURCE_HEALTH, + QUERY_SOURCE_ML, + QUERY_SOURCE_UNITTEST, +} QUERY_SOURCE; + // forward declarations struct rrddim_tier; -struct rrdset_volatile; -struct context_param; #ifdef ENABLE_DBENGINE struct rrdeng_page_descr; @@ -51,8 +65,10 @@ struct pg_cache_page_index; #include "sqlite/sqlite_health.h" #include "rrdcontext.h" -extern int storage_tiers; -extern int storage_tiers_grouping_iterations[RRD_STORAGE_TIERS]; +extern bool unittest_running; +extern bool dbengine_enabled; +extern size_t storage_tiers; +extern size_t storage_tiers_grouping_iterations[RRD_STORAGE_TIERS]; typedef enum { RRD_BACKFILL_NONE, @@ -75,11 +91,6 @@ struct context_param { uint8_t flags; }; -#define META_CHART_UPDATED 1 -#define META_PLUGIN_UPDATED 2 -#define META_MODULE_UPDATED 4 -#define META_CHART_ACTIVATED 8 - #define UPDATE_EVERY 1 #define UPDATE_EVERY_MAX 3600 @@ -122,7 +133,9 @@ typedef enum rrd_memory_mode { RRD_MEMORY_MODE_MAP = 2, RRD_MEMORY_MODE_SAVE = 3, RRD_MEMORY_MODE_ALLOC = 4, - RRD_MEMORY_MODE_DBENGINE = 5 + RRD_MEMORY_MODE_DBENGINE = 5, + + // this is 8-bit } RRD_MEMORY_MODE; #define RRD_MEMORY_MODE_NONE_NAME "none" @@ -134,8 +147,8 @@ typedef enum rrd_memory_mode { extern RRD_MEMORY_MODE default_rrd_memory_mode; -extern const char *rrd_memory_mode_name(RRD_MEMORY_MODE id); -extern RRD_MEMORY_MODE rrd_memory_mode_id(const char *name); +const char *rrd_memory_mode_name(RRD_MEMORY_MODE id); +RRD_MEMORY_MODE rrd_memory_mode_id(const char *name); // ---------------------------------------------------------------------------- @@ -145,7 +158,9 @@ typedef enum rrd_algorithm { RRD_ALGORITHM_ABSOLUTE = 0, RRD_ALGORITHM_INCREMENTAL = 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL = 2, - RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL = 3 + RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL = 3, + + // this is 8-bit } RRD_ALGORITHM; #define RRD_ALGORITHM_ABSOLUTE_NAME "absolute" @@ -153,43 +168,50 @@ typedef enum rrd_algorithm { #define RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL_NAME "percentage-of-incremental-row" #define RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL_NAME "percentage-of-absolute-row" -extern RRD_ALGORITHM rrd_algorithm_id(const char *name); -extern const char *rrd_algorithm_name(RRD_ALGORITHM algorithm); +RRD_ALGORITHM rrd_algorithm_id(const char *name); +const char *rrd_algorithm_name(RRD_ALGORITHM algorithm); // ---------------------------------------------------------------------------- // RRD FAMILY -struct rrdfamily { - avl_t avl; +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); - const char *family; - uint32_t hash_family; - size_t use_count; +// ---------------------------------------------------------------------------- +// flags & options - avl_tree_lock rrdvar_root_index; -}; -typedef struct rrdfamily RRDFAMILY; +// options are permanent configuration options (no atomics to alter/access them) +typedef enum 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 + // this is 8-bit +} RRDDIM_OPTIONS; -// ---------------------------------------------------------------------------- -// 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. +#define rrddim_option_check(rd, option) ((rd)->options & (option)) +#define rrddim_option_set(rd, option) (rd)->options |= (option) +#define rrddim_option_clear(rd, option) (rd)->options &= ~(option) +// flags are runtime changing status flags (atomics are required to alter/access them) typedef enum rrddim_flags { RRDDIM_FLAG_NONE = 0, - RRDDIM_FLAG_HIDDEN = (1 << 0), // this dimension will not be offered to callers - RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS = (1 << 1), // do not offer RESET or OVERFLOW info to callers + RRDDIM_FLAG_PENDING_HEALTH_INITIALIZATION = (1 << 0), + RRDDIM_FLAG_OBSOLETE = (1 << 2), // 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 + // 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 << 3), - RRDDIM_FLAG_ACLK = (1 << 4), + RRDDIM_FLAG_METADATA_UPDATE = (1 << 4), // Metadata needs to go to the database - RRDDIM_FLAG_PENDING_FOREACH_ALARM = (1 << 5), // set when foreach alarm has not been initialized yet RRDDIM_FLAG_META_HIDDEN = (1 << 6), // Status of hidden option in the metadata database + + // this is 8 bit } RRDDIM_FLAGS; #define rrddim_flag_check(rd, flag) (__atomic_load_n(&((rd)->flags), __ATOMIC_SEQ_CST) & (flag)) @@ -211,62 +233,55 @@ typedef enum rrdlabel_source { #define RRDLABEL_FLAG_INTERNAL (RRDLABEL_FLAG_OLD | RRDLABEL_FLAG_NEW | RRDLABEL_FLAG_PERMANENT) -extern DICTIONARY *rrdlabels_create(void); -extern void rrdlabels_destroy(DICTIONARY *labels_dict); -extern void rrdlabels_add(DICTIONARY *dict, const char *name, const char *value, RRDLABEL_SRC ls); -extern void rrdlabels_add_pair(DICTIONARY *dict, const char *string, RRDLABEL_SRC ls); -extern void rrdlabels_get_value_to_buffer_or_null(DICTIONARY *labels, BUFFER *wb, const char *key, const char *quote, const char *null); +size_t text_sanitize(unsigned char *dst, const unsigned char *src, size_t dst_size, unsigned char *char_map, bool utf, const char *empty, size_t *multibyte_length); -extern void rrdlabels_unmark_all(DICTIONARY *labels); -extern void rrdlabels_remove_all_unmarked(DICTIONARY *labels); +DICTIONARY *rrdlabels_create(void); +void rrdlabels_destroy(DICTIONARY *labels_dict); +void rrdlabels_add(DICTIONARY *dict, const char *name, const char *value, RRDLABEL_SRC ls); +void rrdlabels_add_pair(DICTIONARY *dict, const char *string, RRDLABEL_SRC ls); +void rrdlabels_get_value_to_buffer_or_null(DICTIONARY *labels, BUFFER *wb, const char *key, const char *quote, const char *null); +void rrdlabels_get_value_to_char_or_null(DICTIONARY *labels, char **value, const char *key); +void rrdlabels_flush(DICTIONARY *labels_dict); -extern int rrdlabels_walkthrough_read(DICTIONARY *labels, int (*callback)(const char *name, const char *value, RRDLABEL_SRC ls, void *data), void *data); -extern int rrdlabels_sorted_walkthrough_read(DICTIONARY *labels, int (*callback)(const char *name, const char *value, RRDLABEL_SRC ls, void *data), void *data); +void rrdlabels_unmark_all(DICTIONARY *labels); +void rrdlabels_remove_all_unmarked(DICTIONARY *labels); -extern void rrdlabels_log_to_buffer(DICTIONARY *labels, BUFFER *wb); -extern bool rrdlabels_match_simple_pattern(DICTIONARY *labels, const char *simple_pattern_txt); -extern bool rrdlabels_match_simple_pattern_parsed(DICTIONARY *labels, SIMPLE_PATTERN *pattern, char equal); -extern int rrdlabels_to_buffer(DICTIONARY *labels, BUFFER *wb, const char *before_each, const char *equal, const char *quote, const char *between_them, bool (*filter_callback)(const char *name, const char *value, RRDLABEL_SRC ls, void *data), void *filter_data, void (*name_sanitizer)(char *dst, const char *src, size_t dst_size), void (*value_sanitizer)(char *dst, const char *src, size_t dst_size)); +int rrdlabels_walkthrough_read(DICTIONARY *labels, int (*callback)(const char *name, const char *value, RRDLABEL_SRC ls, void *data), void *data); +int rrdlabels_sorted_walkthrough_read(DICTIONARY *labels, int (*callback)(const char *name, const char *value, RRDLABEL_SRC ls, void *data), void *data); -extern void rrdlabels_migrate_to_these(DICTIONARY *dst, DICTIONARY *src); -extern void rrdlabels_copy(DICTIONARY *dst, DICTIONARY *src); +void rrdlabels_log_to_buffer(DICTIONARY *labels, BUFFER *wb); +bool rrdlabels_match_simple_pattern(DICTIONARY *labels, const char *simple_pattern_txt); +bool rrdlabels_match_simple_pattern_parsed(DICTIONARY *labels, SIMPLE_PATTERN *pattern, char equal); +int rrdlabels_to_buffer(DICTIONARY *labels, BUFFER *wb, const char *before_each, const char *equal, const char *quote, const char *between_them, bool (*filter_callback)(const char *name, const char *value, RRDLABEL_SRC ls, void *data), void *filter_data, void (*name_sanitizer)(char *dst, const char *src, size_t dst_size), void (*value_sanitizer)(char *dst, const char *src, size_t dst_size)); -void reload_host_labels(void); -extern void rrdset_update_rrdlabels(RRDSET *st, DICTIONARY *new_rrdlabels); +void rrdlabels_migrate_to_these(DICTIONARY *dst, DICTIONARY *src); +void rrdlabels_copy(DICTIONARY *dst, DICTIONARY *src); -extern int rrdlabels_unittest(void); +void reload_host_labels(void); +void rrdset_update_rrdlabels(RRDSET *st, DICTIONARY *new_rrdlabels); +void rrdset_save_rrdlabels_to_sql(RRDSET *st); +void rrdhost_set_is_parent_label(int count); +int rrdlabels_unittest(void); // unfortunately this break when defined in exporting_engine.h -extern bool exporting_labels_filter_callback(const char *name, const char *value, RRDLABEL_SRC ls, void *data); +bool exporting_labels_filter_callback(const char *name, const char *value, RRDLABEL_SRC ls, void *data); // ---------------------------------------------------------------------------- // RRD DIMENSION - this is a metric struct rrddim { - // ------------------------------------------------------------------------ - // binary indexing structures - - avl_t avl; // the binary index - this has to be first member! - uuid_t metric_uuid; // global UUID for this metric (unique_across hosts) // ------------------------------------------------------------------------ - // the dimension definition - - const char *id; // the id of this dimension (for internal identification) - const char *name; // the name of this dimension (as presented to user) - // this is a pointer to the config structure - // since the config always has a higher priority - // (the user overwrites the name of the charts) - uint32_t hash; // a simple hash of the id, to speed up searching / indexing - // instead of strcmp() every item in the binary index - // we first compare the hashes - uint32_t hash_name; // a simple hash of the name + // 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; // configuration flags for the dimension + RRD_ALGORITHM algorithm:8; // the algorithm that is applied to add new collected values + RRDDIM_OPTIONS options:8; // permanent configuration options + RRD_MEMORY_MODE rrd_memory_mode:8; // the memory mode for this dimension + /*RRDDIM_FLAGS*/ uint8_t flags; // run time changing status flags bool updated; // 1 when the dimension has been updated since the last processing bool exposed; // 1 when set what have sent this dimension to the central netdata @@ -274,20 +289,31 @@ struct rrddim { collected_number multiplier; // the multiplier of the collected values collected_number divisor; // the divider of the collected values + int update_every; // every how many seconds is this updated + // TODO - remove update_every from rrddim + // it is always the same in rrdset + // ------------------------------------------------------------------------ - // members for temporary data we need for calculations + // operational state members - 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 + ml_dimension_t ml_dimension; // machine learning data about this dimension -#ifdef ENABLE_ACLK - int aclk_live_status; -#endif - ml_dimension_t ml_dimension; + // ------------------------------------------------------------------------ + // linking to siblings and parents + + struct rrdset *rrdset; + + RRDMETRIC_ACQUIRED *rrdmetric; // the rrdmetric of this dimension + + // ------------------------------------------------------------------------ + // data collection members struct rrddim_tier *tiers[RRD_STORAGE_TIERS]; // our tiers of databases + 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 + size_t collections_counter; // the number of times we added values to this rrddim collected_number collected_value_max; // the absolute maximum of the collected value @@ -298,68 +324,42 @@ struct rrddim { collected_number collected_value; // the current value, as collected - resets to 0 after being used collected_number last_collected_value; // the last value that was collected, after being processed - // the *_volume members are used to calculate the accuracy of the rounding done by the - // storage number - they are printed to debug.log when debug is enabled for a set. - NETDATA_DOUBLE collected_volume; // the sum of all collected values so far - NETDATA_DOUBLE stored_volume; // the sum of all stored values so far - - struct rrddim *next; // linking of dimensions within the same data set - struct rrdset *rrdset; - RRDMETRIC_ACQUIRED *rrdmetric; // the rrdmetric of this dimension +#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 // ------------------------------------------------------------------------ - // members for checking the data when loading from disk - - long entries; // how many entries this dimension has in ram - // this is the same to the entries of the data set - // we set it here, to check the data when we load it from disk. - - int update_every; // every how many seconds is this updated + // 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) size_t memsize; // the memory allocated for this dimension (without RRDDIM) - - struct rrddimvar *variables; - - // ------------------------------------------------------------------------ - // the values stored in this dimension, using our floating point numbers - void *rd_on_file; // pointer to the header written on disk storage_number *db; // the array of values }; +#define rrddim_id(rd) string2str((rd)->id) +#define rrddim_name(rd) string2str((rd) ->name) + // returns the RRDDIM cache filename, or NULL if it does not exist -extern const char *rrddim_cache_filename(RRDDIM *rd); +const char *rrddim_cache_filename(RRDDIM *rd); // updated the header with the latest RRDDIM value, for memory mode MAP and SAVE -extern void rrddim_memory_file_update(RRDDIM *rd); +void rrddim_memory_file_update(RRDDIM *rd); // free the memory file structures for memory mode MAP and SAVE -extern void rrddim_memory_file_free(RRDDIM *rd); +void rrddim_memory_file_free(RRDDIM *rd); -extern bool rrddim_memory_load_or_create_map_save(RRDSET *st, RRDDIM *rd, RRD_MEMORY_MODE memory_mode); +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 -extern size_t rrddim_memory_file_header_size(void); - -extern void rrddim_memory_file_save(RRDDIM *rd); +size_t rrddim_memory_file_header_size(void); -// ---------------------------------------------------------------------------- -// engine-specific iterator state for dimension data collection -typedef struct storage_collect_handle STORAGE_COLLECT_HANDLE; - -// ---------------------------------------------------------------------------- -// engine-specific iterator state for dimension data queries -typedef struct storage_query_handle STORAGE_QUERY_HANDLE; +void rrddim_memory_file_save(RRDDIM *rd); // ---------------------------------------------------------------------------- -// iterator state for RRD dimension data queries -struct rrddim_query_handle { - RRDDIM *rd; - time_t start_time; - time_t end_time; - TIER_QUERY_FETCH tier_query_fetch_type; - STORAGE_QUERY_HANDLE* handle; -}; typedef struct storage_point { NETDATA_DOUBLE min; // when count > 1, this is the minimum among them @@ -397,11 +397,19 @@ typedef struct storage_point { #define storage_point_is_unset(x) (!(x).count) #define storage_point_is_empty(x) (!netdata_double_isnumber((x).sum)) +// ---------------------------------------------------------------------------- +// engine-specific iterator state for dimension data collection +typedef struct storage_collect_handle STORAGE_COLLECT_HANDLE; + +// ---------------------------------------------------------------------------- +// engine-specific iterator state for dimension data queries +typedef struct storage_query_handle STORAGE_QUERY_HANDLE; + // ------------------------------------------------------------------------ // function pointers that handle data collection -struct rrddim_collect_ops { +struct storage_engine_collect_ops { // an initialization function to run before starting collection - STORAGE_COLLECT_HANDLE *(*init)(STORAGE_METRIC_HANDLE *db_metric_handle); + STORAGE_COLLECT_HANDLE *(*init)(STORAGE_METRIC_HANDLE *db_metric_handle, uint32_t update_every); // run this to store each metric into the database void (*store_metric)(STORAGE_COLLECT_HANDLE *collection_handle, usec_t point_in_time, NETDATA_DOUBLE number, NETDATA_DOUBLE min_value, @@ -410,24 +418,38 @@ struct rrddim_collect_ops { // run this to flush / reset the current data collection sequence void (*flush)(STORAGE_COLLECT_HANDLE *collection_handle); - // an finalization function to run after collection is over + // a finalization function to run after collection is over // returns 1 if it's safe to delete the dimension int (*finalize)(STORAGE_COLLECT_HANDLE *collection_handle); + + void (*change_collection_frequency)(STORAGE_COLLECT_HANDLE *collection_handle, int update_every); + + STORAGE_METRICS_GROUP *(*metrics_group_get)(STORAGE_INSTANCE *db_instance, uuid_t *uuid); + void (*metrics_group_release)(STORAGE_INSTANCE *db_instance, STORAGE_METRICS_GROUP *sa); +}; + +// ---------------------------------------------------------------------------- +// iterator state for RRD dimension data queries +struct storage_engine_query_handle { + RRDDIM *rd; + time_t start_time_s; + time_t end_time_s; + STORAGE_QUERY_HANDLE* handle; }; // function pointers that handle database queries -struct rrddim_query_ops { +struct storage_engine_query_ops { // run this before starting a series of next_metric() database queries - void (*init)(STORAGE_METRIC_HANDLE *db_metric_handle, struct rrddim_query_handle *handle, time_t start_time, time_t end_time, TIER_QUERY_FETCH tier_query_fetch_type); + void (*init)(STORAGE_METRIC_HANDLE *db_metric_handle, struct storage_engine_query_handle *handle, time_t start_time, time_t end_time); // run this to load each metric number from the database - STORAGE_POINT (*next_metric)(struct rrddim_query_handle *handle); + STORAGE_POINT (*next_metric)(struct storage_engine_query_handle *handle); // run this to test if the series of next_metric() database queries is finished - int (*is_finished)(struct rrddim_query_handle *handle); + int (*is_finished)(struct storage_engine_query_handle *handle); // run this after finishing a series of load_metric() database queries - void (*finalize)(struct rrddim_query_handle *handle); + void (*finalize)(struct storage_engine_query_handle *handle); // get the timestamp of the last entry of this metric time_t (*latest_time)(STORAGE_METRIC_HANDLE *db_metric_handle); @@ -436,45 +458,60 @@ struct rrddim_query_ops { time_t (*oldest_time)(STORAGE_METRIC_HANDLE *db_metric_handle); }; +typedef struct storage_engine STORAGE_ENGINE; + +// ------------------------------------------------------------------------ +// 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_METRICS_GROUP *smg); + STORAGE_METRIC_HANDLE *(*metric_get_or_create)(RRDDIM *rd, STORAGE_INSTANCE *instance, STORAGE_METRICS_GROUP *smg); + void (*metric_release)(STORAGE_METRIC_HANDLE *); + STORAGE_METRIC_HANDLE *(*metric_dup)(STORAGE_METRIC_HANDLE *); + + // operations + struct storage_engine_collect_ops collect_ops; + struct storage_engine_query_ops query_ops; +} STORAGE_ENGINE_API; + +struct storage_engine { + RRD_MEMORY_MODE id; + const char* name; + STORAGE_ENGINE_API api; +}; + +STORAGE_ENGINE* storage_engine_get(RRD_MEMORY_MODE mmode); +STORAGE_ENGINE* storage_engine_find(const char* name); // ---------------------------------------------------------------------------- // Storage tier data for every dimension struct rrddim_tier { - int tier_grouping; - RRD_MEMORY_MODE mode; // the memory mode of this tier - RRD_BACKFILL backfill; // backfilling configuration + size_t tier_grouping; STORAGE_METRIC_HANDLE *db_metric_handle; // the metric handle inside the database STORAGE_COLLECT_HANDLE *db_collection_handle; // the data collection handle STORAGE_POINT virtual_point; time_t next_point_time; - usec_t last_collected_ut; - struct rrddim_collect_ops collect_ops; - struct rrddim_query_ops query_ops; + struct storage_engine_collect_ops *collect_ops; + struct storage_engine_query_ops *query_ops; }; -extern void rrdr_fill_tier_gap_from_smaller_tiers(RRDDIM *rd, int tier, time_t now); - -// ---------------------------------------------------------------------------- -// volatile state per chart -struct rrdset_volatile { - char *old_title; - char *old_units; - char *old_context; - uuid_t hash_id; - DICTIONARY *chart_labels; - bool is_ar_chart; -}; +void rrdr_fill_tier_gap_from_smaller_tiers(RRDDIM *rd, size_t tier, time_t now); // ---------------------------------------------------------------------------- // these loop macros make sure the linked list is accessed with the right lock #define rrddim_foreach_read(rd, st) \ - for((rd) = (st)->dimensions, rrdset_check_rdlock(st); (rd) ; (rd) = (rd)->next) + dfe_start_read((st)->rrddim_root_index, rd) #define rrddim_foreach_write(rd, st) \ - for((rd) = (st)->dimensions, rrdset_check_wrlock(st); (rd) ; (rd) = (rd)->next) + dfe_start_write((st)->rrddim_root_index, rd) +#define rrddim_foreach_reentrant(rd, st) \ + dfe_start_reentrant((st)->rrddim_root_index, rd) + +#define rrddim_foreach_done(rd) \ + dfe_done(rd) // ---------------------------------------------------------------------------- // RRDSET - this is a chart @@ -484,166 +521,213 @@ struct rrdset_volatile { // and may lead to missing information. typedef enum 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_UPSTREAM_EXPOSED = 1 << 8, // if set, we have sent this chart definition to netdata parent (streaming) - RRDSET_FLAG_STORE_FIRST = 1 << 9, // if set, do not eliminate the first collection during interpolation - RRDSET_FLAG_HETEROGENEOUS = 1 << 10, // if set, the chart is not homogeneous (dimensions in it have multiple algorithms, multipliers or dividers) - RRDSET_FLAG_HOMOGENEOUS_CHECK = 1 << 11, // if set, the chart should be checked to determine if the dimensions are homogeneous - RRDSET_FLAG_HIDDEN = 1 << 12, // if set, do not show this chart on the dashboard, but use it for exporting - RRDSET_FLAG_SYNC_CLOCK = 1 << 13, // if set, microseconds on next data collection will be ignored (the chart will be synced to now) - RRDSET_FLAG_OBSOLETE_DIMENSIONS = 1 << 14, // this is marked by the collector/module when a chart has obsolete dimensions - // No new values have been collected for this chart since agent start or it was marked RRDSET_FLAG_OBSOLETE at - // least rrdset_free_obsolete_time seconds ago. - RRDSET_FLAG_ARCHIVED = 1 << 15, - RRDSET_FLAG_ACLK = 1 << 16, - RRDSET_FLAG_PENDING_FOREACH_ALARMS = 1 << 17, // contains dims with uninitialized foreach alarms - RRDSET_FLAG_ANOMALY_DETECTION = 1 << 18 // flag to identify anomaly detection charts. + 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_UPSTREAM_EXPOSED = (1 << 8), // if set, we have sent this chart definition to netdata parent (streaming) + + RRDSET_FLAG_STORE_FIRST = (1 << 9), // if set, do not eliminate the first collection during interpolation + RRDSET_FLAG_HETEROGENEOUS = (1 << 10), // if set, the chart is not homogeneous (dimensions in it have multiple algorithms, multipliers or dividers) + RRDSET_FLAG_HOMOGENEOUS_CHECK = (1 << 11), // if set, the chart should be checked to determine if the dimensions are homogeneous + RRDSET_FLAG_HIDDEN = (1 << 12), // if set, do not show this chart on the dashboard, but use it for exporting + RRDSET_FLAG_SYNC_CLOCK = (1 << 13), // if set, microseconds on next data collection will be ignored (the chart will be synced to now) + RRDSET_FLAG_OBSOLETE_DIMENSIONS = (1 << 14), // this is marked by the collector/module when a chart has obsolete dimensions + // No new values have been collected for this chart since agent start, or it was marked RRDSET_FLAG_OBSOLETE at + // least rrdset_free_obsolete_time seconds ago. + RRDSET_FLAG_ARCHIVED = (1 << 15), + RRDSET_FLAG_METADATA_UPDATE = (1 << 16), // Mark that metadata needs to be stored + RRDSET_FLAG_ANOMALY_DETECTION = (1 << 18), // flag to identify anomaly detection charts. + RRDSET_FLAG_INDEXED_ID = (1 << 19), // the rrdset is indexed by its id + RRDSET_FLAG_INDEXED_NAME = (1 << 20), // the rrdset is indexed by its name + + RRDSET_FLAG_PENDING_HEALTH_INITIALIZATION = (1 << 21), + + RRDSET_FLAG_SENDER_REPLICATION_IN_PROGRESS = (1 << 22), // the sending side has replication in progress + RRDSET_FLAG_SENDER_REPLICATION_FINISHED = (1 << 23), // the sending side has completed replication + RRDSET_FLAG_RECEIVER_REPLICATION_IN_PROGRESS = (1 << 24), // the receiving side has replication in progress + RRDSET_FLAG_RECEIVER_REPLICATION_FINISHED = (1 << 25), // the receiving side has completed replication + + RRDSET_FLAG_UPSTREAM_SEND_VARIABLES = (1 << 26), // a custom variable has been updated and needs to be exposed to parent } RRDSET_FLAGS; #define rrdset_flag_check(st, flag) (__atomic_load_n(&((st)->flags), __ATOMIC_SEQ_CST) & (flag)) #define rrdset_flag_set(st, flag) __atomic_or_fetch(&((st)->flags), flag, __ATOMIC_SEQ_CST) -#define rrdset_flag_clear(st, flag) __atomic_and_fetch(&((st)->flags), ~flag, __ATOMIC_SEQ_CST) +#define rrdset_flag_clear(st, flag) __atomic_and_fetch(&((st)->flags), ~(flag), __ATOMIC_SEQ_CST) -struct rrdset { - // ------------------------------------------------------------------------ - // binary indexing structures +#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)) - avl_t avl; // the index, with key the id - this has to be first! - avl_t avlname; // the index, with key the name +struct rrdset { + uuid_t chart_uuid; // the global UUID for this chart // ------------------------------------------------------------------------ - // the set configuration - - char id[RRD_ID_LENGTH_MAX + 1]; // id of the data set - - const char *name; // the name of this dimension (as presented to user) - // this is a pointer to the config structure - // since the config always has a higher priority - // (the user overwrites the name of the charts) + // 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 - char *type; // the type of graph RRD_TYPE_* (a category, for determining graphing options) - char *family; // grouping sets under the same family - char *title; // title shown to user - char *units; // units of measurement - - char *context; // the template of this data set - uint32_t hash_context; // the hash of the chart's context + RRDSET_TYPE chart_type; // line, area, stacked - RRDINSTANCE_ACQUIRED *rrdinstance; // the rrdinstance of this chart - RRDCONTEXT_ACQUIRED *rrdcontext; // the rrdcontext this chart belongs to + long priority; // the sorting priority of this chart - RRDSET_TYPE chart_type; // line, area, stacked + int update_every; // data collection frequency - int update_every; // every how many seconds is this updated? + DICTIONARY *rrdlabels; // chart labels + DICTIONARY *rrdsetvar_root_index; // chart variables + DICTIONARY *rrddimvar_root_index; // dimension variables + // we use this dictionary to manage their allocation - long entries; // total number of entries in the data set + // ------------------------------------------------------------------------ + // operational state members - long current_entry; // the entry that is currently being updated - // it goes around in a round-robin fashion + RRDSET_FLAGS flags; // flags + RRD_MEMORY_MODE rrd_memory_mode; // the db mode of this rrdset - RRDSET_FLAGS flags; // configuration flags - RRDSET_FLAGS *exporting_flags; // array of flags for exporting connector instances + DICTIONARY *rrddim_root_index; // dimensions index int gap_when_lost_iterations_above; // after how many lost iterations a gap should be stored // netdata will interpolate values for gaps lower than this + // TODO - use the global - all charts have the same value - long priority; // the sorting priority of this chart - + STORAGE_METRICS_GROUP *storage_metrics_groups[RRD_STORAGE_TIERS]; // ------------------------------------------------------------------------ - // members for temporary data we need for calculations + // linking to siblings and parents - RRD_MEMORY_MODE rrd_memory_mode; // if set to 1, this is memory mapped + RRDHOST *rrdhost; // pointer to RRDHOST this chart belongs to - char *cache_dir; // the directory to store dimensions + RRDINSTANCE_ACQUIRED *rrdinstance; // the rrdinstance of this chart + RRDCONTEXT_ACQUIRED *rrdcontext; // the rrdcontext this chart belongs to - netdata_rwlock_t rrdset_rwlock; // protects dimensions linked list + // ------------------------------------------------------------------------ + // data collection members size_t counter; // the number of times we added values to this database size_t counter_done; // the number of times rrdset_done() has been called - union { - time_t last_accessed_time; // the last time this RRDSET has been accessed - time_t last_entry_t; // the last_entry_t computed for transient RRDSET - }; - time_t upstream_resync_time; // the timestamp up to which we should resync clock upstream - - char *plugin_name; // the name of the plugin that generated this - char *module_name; // the name of the plugin module that generated this - uuid_t *chart_uuid; // Store the global GUID for this chart - // this object. - struct rrdset_volatile *state; // volatile state that is not persistently stored - - size_t rrddim_page_alignment; // keeps metric pages in alignment when using dbengine - - uint32_t hash; // a simple hash on the id, to speed up searching - // we first compare hashes, and only if the hashes are equal we do string comparisons - - uint32_t hash_name; // a simple hash on the name + time_t last_accessed_time; // 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 - total_number collected_total; // used internally to calculate percentages - total_number last_collected_total; // used internally to calculate percentages - - RRDFAMILY *rrdfamily; // pointer to RRDFAMILY this chart belongs to - RRDHOST *rrdhost; // pointer to RRDHOST this chart belongs to + size_t rrdlabels_last_saved_version; - struct rrdset *next; // linking of rrdsets + DICTIONARY *functions_view; // collector functions this rrdset supports, can be NULL // ------------------------------------------------------------------------ - // local variables + // data collection - streaming to parents, temp variables - NETDATA_DOUBLE green; // green threshold for this chart - NETDATA_DOUBLE red; // red threshold for this chart - - avl_tree_lock rrdvar_root_index; // RRDVAR index for this chart - RRDSETVAR *variables; // RRDSETVAR linked list for this chart (one RRDSETVAR, many RRDVARs) - RRDCALC *alarms; // RRDCALC linked list for this chart + time_t upstream_resync_time; // the timestamp up to which we should resync clock upstream // ------------------------------------------------------------------------ - // members for checking the data when loading from disk + // 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) + char *cache_dir; // the directory to store dimensions unsigned long memsize; // how much mem we have allocated for this (without dimensions) void *st_on_file; // compatibility with V019 RRDSET files // ------------------------------------------------------------------------ - // the dimensions + // db mode RAM, SAVE, MAP, ALLOC, NONE 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) - avl_tree_lock dimensions_index; // the root of the dimensions index - RRDDIM *dimensions; // the actual data for every dimension + long entries; // total number of entries in the data set + + long current_entry; // the entry that is currently being updated + // it goes around in a round-robin fashion + + // ------------------------------------------------------------------------ + // 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 { + netdata_rwlock_t rwlock; // protection for RRDCALC *base + RRDCALC *base; // double linked list of RRDCALC related to this RRDSET + } alerts; + +#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_rdlock(st) netdata_rwlock_rdlock(&((st)->rrdset_rwlock)) -#define rrdset_wrlock(st) netdata_rwlock_wrlock(&((st)->rrdset_rwlock)) -#define rrdset_unlock(st) netdata_rwlock_unlock(&((st)->rrdset_rwlock)) +#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) +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) \ - for((st) = (host)->rrdset_root, rrdhost_check_rdlock(host); st ; (st) = (st)->next) + dfe_start_read((host)->rrdset_root_index, st) #define rrdset_foreach_write(st, host) \ - for((st) = (host)->rrdset_root, rrdhost_check_wrlock(host); st ; (st) = (st)->next) + 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) -extern void rrdset_memory_file_save(RRDSET *st); -extern void rrdset_memory_file_free(RRDSET *st); -extern void rrdset_memory_file_update(RRDSET *st); -extern const char *rrdset_cache_filename(RRDSET *st); -extern bool rrdset_memory_load_or_create_map_save(RRDSET *st_on_file, RRD_MEMORY_MODE memory_mode); +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 @@ -652,30 +736,70 @@ extern bool rrdset_memory_load_or_create_map_save(RRDSET *st_on_file, RRD_MEMORY // and may lead to missing information. typedef enum rrdhost_flags { - RRDHOST_FLAG_ORPHAN = (1 << 0), // this host is orphan (not receiving data) - RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS = (1 << 1), // delete files of obsolete charts - RRDHOST_FLAG_DELETE_ORPHAN_HOST = (1 << 2), // delete the entire host when orphan - RRDHOST_FLAG_EXPORTING_SEND = (1 << 3), // send it to external databases - RRDHOST_FLAG_EXPORTING_DONT_SEND = (1 << 4), // don't send it to external databases - RRDHOST_FLAG_ARCHIVED = (1 << 5), // The host is archived, no collected charts yet - RRDHOST_FLAG_MULTIHOST = (1 << 6), // Host belongs to localhost/megadb - RRDHOST_FLAG_PENDING_FOREACH_ALARMS = (1 << 7), // contains dims with uninitialized foreach alarms - RRDHOST_FLAG_STREAM_LABELS_UPDATE = (1 << 8), - RRDHOST_FLAG_STREAM_LABELS_STOP = (1 << 9), - RRDHOST_FLAG_ACLK_STREAM_CONTEXTS = (1 << 10), // when set, we should send ACLK stream context updates + // Orphan, Archived and Obsolete flags + RRDHOST_FLAG_ORPHAN = (1 << 10), // this host is orphan (not receiving data) + RRDHOST_FLAG_ARCHIVED = (1 << 11), // The host is archived, no collected charts yet + RRDHOST_FLAG_PENDING_OBSOLETE_CHARTS = (1 << 12), // the host has pending chart obsoletions + RRDHOST_FLAG_PENDING_OBSOLETE_DIMENSIONS = (1 << 13), // the host has pending dimension obsoletions + + // Streaming sender + RRDHOST_FLAG_RRDPUSH_SENDER_INITIALIZED = (1 << 14), // the host has initialized rrdpush structures + RRDHOST_FLAG_RRDPUSH_SENDER_SPAWN = (1 << 15), // When set, the sender thread is running + RRDHOST_FLAG_RRDPUSH_SENDER_CONNECTED = (1 << 16), // When set, the host is connected to a parent + RRDHOST_FLAG_RRDPUSH_SENDER_READY_4_METRICS = (1 << 17), // when set, rrdset_done() should push metrics to parent + RRDHOST_FLAG_RRDPUSH_SENDER_LOGGED_STATUS = (1 << 18), // when set, we have logged the status of metrics streaming + RRDHOST_FLAG_RRDPUSH_SENDER_JOIN = (1 << 19), // When set, we want to join the sender thread + + // Health + RRDHOST_FLAG_PENDING_HEALTH_INITIALIZATION = (1 << 20), // contains charts and dims with uninitialized variables + RRDHOST_FLAG_INITIALIZED_HEALTH = (1 << 21), // the host has initialized health structures + + // Exporting + RRDHOST_FLAG_EXPORTING_SEND = (1 << 22), // send it to external databases + RRDHOST_FLAG_EXPORTING_DONT_SEND = (1 << 23), // don't send it to external databases + + // ACLK + RRDHOST_FLAG_ACLK_STREAM_CONTEXTS = (1 << 24), // when set, we should send ACLK stream context updates + // Metadata + RRDHOST_FLAG_METADATA_UPDATE = (1 << 25), // metadata needs to be stored in the database + + RRDHOST_FLAG_RRDPUSH_RECEIVER_DISCONNECTED = ( 1 << 26), // set when the receiver part is disconnected } 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) +#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))) \ - debug_int(__FILE__, __FUNCTION__, __LINE__, "%s: " fmt, st->name, ##args); } while(0) + debug_int(__FILE__, __FUNCTION__, __LINE__, "%s: " fmt, rrdset_name(st), ##args); } while(0) #else #define rrdset_debug(st, fmt, args...) debug_dummy() #endif +typedef enum { + // 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_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 @@ -689,34 +813,30 @@ struct alarm_entry { time_t duration; time_t non_clear_duration; - char *name; - uint32_t hash_name; - - char *chart; - uint32_t hash_chart; - char *chart_context; + STRING *name; + STRING *chart; + STRING *chart_context; + STRING *family; - char *family; + STRING *classification; + STRING *component; + STRING *type; - char *classification; - char *component; - char *type; - - char *exec; - char *recipient; + STRING *exec; + STRING *recipient; time_t exec_run_timestamp; int exec_code; uint64_t exec_spawn_serial; - char *source; - char *units; - char *info; + STRING *source; + STRING *units; + STRING *info; NETDATA_DOUBLE old_value; NETDATA_DOUBLE new_value; - char *old_value_string; - char *new_value_string; + STRING *old_value_string; + STRING *new_value_string; RRDCALC_STATUS old_status; RRDCALC_STATUS new_status; @@ -736,6 +856,20 @@ struct alarm_entry { struct alarm_entry *prev_in_progress; }; +#define ae_name(ae) string2str((ae)->name) +#define ae_chart_name(ae) string2str((ae)->chart) +#define ae_chart_context(ae) string2str((ae)->chart_context) +#define ae_family(ae) string2str((ae)->family) +#define ae_classification(ae) string2str((ae)->classification) +#define ae_component(ae) string2str((ae)->component) +#define ae_type(ae) string2str((ae)->type) +#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_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; @@ -789,79 +923,71 @@ struct rrdhost_system_info { }; struct rrdhost { - avl_t avl; // the index of hosts + char machine_guid[GUID_LEN + 1]; // the unique ID of this host // ------------------------------------------------------------------------ // host information - char *hostname; // the hostname of this host - uint32_t hash_hostname; // the hostname hash + 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 - char *registry_hostname; // the registry hostname for this host - - char machine_guid[GUID_LEN + 1]; // the unique ID of this host - uint32_t hash_machine_guid; // the hash of the unique ID - - const char *os; // the O/S type of the host - const char *tags; // tags for this host - const char *timezone; // the timezone of the host - - const char *abbrev_timezone; // the abbriviated timezone of the host int32_t utc_offset; // the offset in seconds from utc - RRDHOST_FLAGS flags; // flags about this RRDHOST + 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 int rrd_update_every; // the update frequency of the host long rrd_history_entries; // the number of history entries for the host's charts - RRD_MEMORY_MODE rrd_memory_mode; // the memory more for the charts of this host + + 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 char *varlib_dir; // the directory to save health log - char *program_name; // the program name that collects metrics for this host - char *program_version; // the program version that collects metrics for this host + 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 + size_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 + // streaming of data to remote hosts - rrdpush sender - unsigned int rrdpush_send_enabled; // 1 when this host sends metrics to another netdata 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 + + 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 // the following are state information for the threading // streaming metrics from this netdata to an upstream netdata struct sender_state *sender; - volatile unsigned int rrdpush_sender_spawn; // 1 when the sender thread has been spawn 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 void *dbsync_worker; - bool rrdpush_sender_connected; // 1 when the sender is ready to push metrics - int rrdpush_sender_socket; // the fd of the socket to the remote host, or -1 - - volatile unsigned int rrdpush_sender_error_shown; // 1 when we have logged a communication error - volatile unsigned int rrdpush_sender_join; // 1 when we have to join the sending thread - - SIMPLE_PATTERN *rrdpush_send_charts_matching; // pattern to match the charts to be sent - - int rrdpush_sender_pipe[2]; // collector to sender thread signaling - //BUFFER *rrdpush_sender_buffer; // collector fills it, sender sends it - - //uint32_t stream_version; //Set the current version of the stream. - // ------------------------------------------------------------------------ - // streaming of data from remote hosts - rrdpush - - volatile size_t connected_senders; // when remote hosts are streaming to this - // host, this is the counter of connected clients + // streaming of data from remote hosts - rrdpush receiver time_t senders_connect_time; // the time the last sender was connected time_t senders_last_chart_command; // the time of the last CHART streaming command time_t senders_disconnected_time; // the time the last sender was disconnected + int senders_count; // number of senders currently streaming struct receiver_state *receiver; netdata_mutex_t receiver_lock; @@ -871,45 +997,30 @@ struct rrdhost { // ------------------------------------------------------------------------ // health monitoring options - unsigned int health_enabled; // 1 when this host has health enabled - time_t health_delay_up_to; // a timestamp to delay alarms processing up to - char *health_default_exec; // the full path of the alarms notifications program - char *health_default_recipient; // the default recipient for all alarms - char *health_log_filename; // the alarms event log filename - size_t health_log_entries_written; // the number of alarm events written to the alarms event log - FILE *health_log_fp; // the FILE pointer to the open alarms event log file - 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 health_spawn; // true when health thread is running + netdata_thread_t health_thread; // the health thread + unsigned int aclk_alert_reloaded; // 1 on thread start and health reload, 0 after removed are sent + 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 + char *health_log_filename; // the alarms event log filename + size_t health_log_entries_written; // the number of alarm events written to the alarms event log + FILE *health_log_fp; // the FILE pointer to the open alarms event log file + 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 // all RRDCALCs are primarily allocated and linked here - // RRDCALCs may be linked to charts at any point - // (charts may or may not exist when these are loaded) - RRDCALC *alarms; - RRDCALC *alarms_with_foreach; - avl_tree_lock alarms_idx_health_log; - avl_tree_lock alarms_idx_name; + 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 - // templates of alarms - // these are used to create alarms when charts - // are created or renamed, that match them - RRDCALCTEMPLATE *templates; - RRDCALCTEMPLATE *alarms_template_with_foreach; - - - // ------------------------------------------------------------------------ - // the charts of the host - - RRDSET *rrdset_root; // the host charts - - unsigned int obsolete_charts_count; - - // ------------------------------------------------------------------------ // locks @@ -921,37 +1032,46 @@ struct rrdhost { // ------------------------------------------------------------------------ // Support for host-level labels - DICTIONARY *host_labels; + DICTIONARY *rrdlabels; // ------------------------------------------------------------------------ - // indexes + // Support for functions + DICTIONARY *functions; // collector functions this rrdset supports, can be NULL - avl_tree_lock rrdset_root_index; // the host's charts index (by id) - avl_tree_lock rrdset_root_index_name; // the host's charts index (by name) + // ------------------------------------------------------------------------ + // indexes - avl_tree_lock rrdfamily_root_index; // the host's chart families index - avl_tree_lock rrdvar_root_index; // the host's chart variables index + DICTIONARY *rrdset_root_index; // the host's charts index (by id) + DICTIONARY *rrdset_root_index_name; // the host's charts index (by name) - STORAGE_INSTANCE *storage_instance[RRD_STORAGE_TIERS]; // the database instances of the storage tiers + DICTIONARY *rrdfamily_root_index; // the host's chart families index + DICTIONARY *rrdvars; // the host's chart variables index + // this includes custom host variables - RRDCONTEXTS *rrdctx_queue; + RRDCONTEXTS *rrdctx_hub_queue; + RRDCONTEXTS *rrdctx_post_processing_queue; RRDCONTEXTS *rrdctx; uuid_t host_uuid; // Global GUID for this host uuid_t *node_id; // Cloud node_id -#ifdef ENABLE_HTTPS - struct netdata_ssl ssl; //Structure used to encrypt the connection - struct netdata_ssl stream_ssl; //Structure used to encrypt the stream -#endif - netdata_mutex_t aclk_state_lock; aclk_rrdhost_state aclk_state; 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_rdlock(host) netdata_rwlock_rdlock(&((host)->rrdhost_rwlock)) #define rrdhost_wrlock(host) netdata_rwlock_wrlock(&((host)->rrdhost_rwlock)) #define rrdhost_unlock(host) netdata_rwlock_unlock(&((host)->rrdhost_rwlock)) @@ -959,6 +1079,19 @@ extern RRDHOST *localhost; #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)) + +extern DICTIONARY *rrdhost_root_index; +long rrdhost_hosts_available(void); + // ---------------------------------------------------------------------------- // these loop macros make sure the linked list is accessed with the right lock @@ -980,19 +1113,24 @@ extern netdata_rwlock_t rrd_rwlock; // ---------------------------------------------------------------------------- -extern bool is_storage_engine_shared(STORAGE_INSTANCE *engine); +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 size_t rrd_hosts_available; extern time_t rrdhost_free_orphan_time; -extern int rrd_init(char *hostname, struct rrdhost_system_info *system_info); +int rrd_init(char *hostname, struct rrdhost_system_info *system_info); -extern RRDHOST *rrdhost_find_by_hostname(const char *hostname, uint32_t hash); -extern RRDHOST *rrdhost_find_by_guid(const char *guid, uint32_t hash); +RRDHOST *rrdhost_find_by_hostname(const char *hostname); +RRDHOST *rrdhost_find_by_guid(const char *guid); -extern RRDHOST *rrdhost_find_or_create( +RRDHOST *rrdhost_find_or_create( const char *hostname , const char *registry_hostname , const char *guid @@ -1011,11 +1149,14 @@ extern RRDHOST *rrdhost_find_or_create( , 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 ); -extern void rrdhost_update(RRDHOST *host +void rrdhost_update(RRDHOST *host , const char *hostname , const char *registry_hostname , const char *guid @@ -1034,18 +1175,21 @@ extern void rrdhost_update(RRDHOST *host , 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 ); -extern int rrdhost_set_system_info_variable(struct rrdhost_system_info *system_info, char *name, char *value); +int rrdhost_set_system_info_variable(struct rrdhost_system_info *system_info, char *name, char *value); #if defined(NETDATA_INTERNAL_CHECKS) && defined(NETDATA_VERIFY_LOCKS) -extern void __rrdhost_check_wrlock(RRDHOST *host, const char *file, const char *function, const unsigned long line); -extern void __rrdhost_check_rdlock(RRDHOST *host, const char *file, const char *function, const unsigned long line); -extern void __rrdset_check_rdlock(RRDSET *st, const char *file, const char *function, const unsigned long line); -extern void __rrdset_check_wrlock(RRDSET *st, const char *file, const char *function, const unsigned long line); -extern void __rrd_check_rdlock(const char *file, const char *function, const unsigned long line); -extern void __rrd_check_wrlock(const char *file, const char *function, const unsigned long line); +void __rrdhost_check_wrlock(RRDHOST *host, const char *file, const char *function, const unsigned long line); +void __rrdhost_check_rdlock(RRDHOST *host, const char *file, const char *function, const unsigned long line); +void __rrdset_check_rdlock(RRDSET *st, const char *file, const char *function, const unsigned long line); +void __rrdset_check_wrlock(RRDSET *st, const char *file, const char *function, const unsigned long line); +void __rrd_check_rdlock(const char *file, const char *function, const unsigned long line); +void __rrd_check_wrlock(const char *file, const char *function, const unsigned long line); #define rrdhost_check_rdlock(host) __rrdhost_check_rdlock(host, __FILE__, __FUNCTION__, __LINE__) #define rrdhost_check_wrlock(host) __rrdhost_check_wrlock(host, __FILE__, __FUNCTION__, __LINE__) @@ -1066,9 +1210,9 @@ extern void __rrd_check_wrlock(const char *file, const char *function, const uns // ---------------------------------------------------------------------------- // RRDSET functions -extern int rrdset_set_name(RRDSET *st, const char *name); +int rrdset_reset_name(RRDSET *st, const char *name); -extern RRDSET *rrdset_create_custom(RRDHOST *host +RRDSET *rrdset_create_custom(RRDHOST *host , const char *type , const char *id , const char *name @@ -1090,22 +1234,22 @@ extern RRDSET *rrdset_create_custom(RRDHOST *host #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) -extern void rrdhost_free_all(void); -extern void rrdhost_save_all(void); -extern void rrdhost_cleanup_all(void); +void rrdhost_free_all(void); +void rrdhost_save_all(void); +void rrdhost_cleanup_all(void); -extern void rrdhost_cleanup_orphan_hosts_nolock(RRDHOST *protected_host); -extern void rrdhost_system_info_free(struct rrdhost_system_info *system_info); -extern void rrdhost_free(RRDHOST *host, bool force); -extern void rrdhost_save_charts(RRDHOST *host); -extern void rrdhost_delete_charts(RRDHOST *host); -extern void rrd_cleanup_obsolete_charts(); +void rrdhost_system_info_free(struct rrdhost_system_info *system_info); +void rrdhost_free(RRDHOST *host, bool force); +void rrdhost_save_charts(RRDHOST *host); +void rrdhost_delete_charts(RRDHOST *host); -extern int rrdhost_should_be_removed(RRDHOST *host, RRDHOST *protected_host, time_t now); +int rrdhost_should_be_removed(RRDHOST *host, RRDHOST *protected_host, time_t now); -extern void rrdset_update_heterogeneous_flag(RRDSET *st); +void rrdset_update_heterogeneous_flag(RRDSET *st); -extern RRDSET *rrdset_find(RRDHOST *host, const char *id); +time_t rrdset_set_update_every(RRDSET *st, time_t update_every); + +RRDSET *rrdset_find(RRDHOST *host, const char *id); #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) @@ -1116,7 +1260,7 @@ static inline RRDSET *rrdset_find_active_localhost(const char *id) return st; } -extern RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id); +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) @@ -1127,7 +1271,7 @@ static inline RRDSET *rrdset_find_active_bytype_localhost(const char *type, cons return st; } -extern RRDSET *rrdset_find_byname(RRDHOST *host, const char *name); +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) @@ -1138,190 +1282,115 @@ static inline RRDSET *rrdset_find_active_byname_localhost(const char *name) return st; } -extern void rrdset_next_usec_unfiltered(RRDSET *st, usec_t microseconds); -extern void rrdset_next_usec(RRDSET *st, usec_t microseconds); +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) -extern void rrdset_done(RRDSET *st); +void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next); +void rrdset_done(RRDSET *st); -extern void rrdset_is_obsolete(RRDSET *st); -extern void rrdset_isnot_obsolete(RRDSET *st); +void rrdset_is_obsolete(RRDSET *st); +void rrdset_isnot_obsolete(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_flag_check(st, RRDSET_FLAG_ARCHIVED) && (st)->dimensions && (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_flag_check(st, RRDSET_FLAG_ARCHIVED) && (st)->dimensions) -#define rrdset_is_archived(st) (rrdset_flag_check(st, RRDSET_FLAG_ARCHIVED) && (st)->dimensions) - -// get the timestamp of the last entry in the round robin database -static inline time_t rrddim_last_entry_t(RRDDIM *rd) { - time_t latest = rd->tiers[0]->query_ops.latest_time(rd->tiers[0]->db_metric_handle); - - for(int tier = 1; tier < storage_tiers ;tier++) { - if(unlikely(!rd->tiers[tier])) continue; - - time_t t = rd->tiers[tier]->query_ops.latest_time(rd->tiers[tier]->db_metric_handle); - if(t > latest) - latest = t; - } - - return latest; -} - -static inline time_t rrddim_first_entry_t(RRDDIM *rd) { - time_t oldest = 0; - - for(int tier = 0; tier < storage_tiers ;tier++) { - if(unlikely(!rd->tiers[tier])) continue; - - time_t t = rd->tiers[tier]->query_ops.oldest_time(rd->tiers[tier]->db_metric_handle); - if(t != 0 && (oldest == 0 || t < oldest)) - oldest = t; - } - - return oldest; -} - -// get the timestamp of the last entry in the round robin database -static inline time_t rrdset_last_entry_t_nolock(RRDSET *st) { - RRDDIM *rd; - time_t last_entry_t = 0; - - rrddim_foreach_read(rd, st) { - time_t t = rrddim_last_entry_t(rd); - if(t > last_entry_t) last_entry_t = t; - } - - return last_entry_t; -} - -static inline time_t rrdset_last_entry_t(RRDSET *st) { - time_t last_entry_t; - - netdata_rwlock_rdlock(&st->rrdset_rwlock); - last_entry_t = rrdset_last_entry_t_nolock(st); - netdata_rwlock_unlock(&st->rrdset_rwlock); - - return last_entry_t; -} - -// get the timestamp of first entry in the round robin database -static inline time_t rrdset_first_entry_t_nolock(RRDSET *st) { - RRDDIM *rd; - time_t first_entry_t = LONG_MAX; - - rrddim_foreach_read(rd, st) { - time_t t = rrddim_first_entry_t(rd); - if(t < first_entry_t) - first_entry_t = t; - } - - if (unlikely(LONG_MAX == first_entry_t)) return 0; - return first_entry_t; -} - -static inline time_t rrdset_first_entry_t(RRDSET *st) -{ - time_t first_entry_t; - - netdata_rwlock_rdlock(&st->rrdset_rwlock); - first_entry_t = rrdset_first_entry_t_nolock(st); - netdata_rwlock_unlock(&st->rrdset_rwlock); - - return first_entry_t; -} - +#define rrdset_is_available_for_viewers(st) (!rrdset_flag_check(st, RRDSET_FLAG_HIDDEN) && !rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE) && !rrdset_flag_check(st, RRDSET_FLAG_ARCHIVED) && 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_flag_check(st, RRDSET_FLAG_ARCHIVED) && rrdset_number_of_dimensions(st)) +#define rrdset_is_archived(st) (rrdset_flag_check(st, RRDSET_FLAG_ARCHIVED) && rrdset_number_of_dimensions(st)) + +time_t rrddim_first_entry_t(RRDDIM *rd); +time_t rrddim_first_entry_t_of_tier(RRDDIM *rd, size_t tier); +time_t rrddim_last_entry_t(RRDDIM *rd); +time_t rrdset_last_entry_t(RRDSET *st); +time_t rrdset_first_entry_t_of_tier(RRDSET *st, size_t tier); +time_t rrdset_first_entry_t(RRDSET *st); time_t rrdhost_last_entry_t(RRDHOST *h); // ---------------------------------------------------------------------------- // RRD DIMENSION functions -extern void rrdcalc_link_to_rrddim(RRDDIM *rd, RRDSET *st, RRDHOST *host); -extern 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);//, - //int is_archived, uuid_t *dim_uuid); -#define rrddim_add(st, id, name, multiplier, divisor, algorithm) rrddim_add_custom(st, id, name, multiplier, divisor, \ - algorithm, (st)->rrd_memory_mode)//, 0, NULL) - -extern int rrddim_set_name(RRDSET *st, RRDDIM *rd, const char *name); -extern int rrddim_set_algorithm(RRDSET *st, RRDDIM *rd, RRD_ALGORITHM algorithm); -extern int rrddim_set_multiplier(RRDSET *st, RRDDIM *rd, collected_number multiplier); -extern int rrddim_set_divisor(RRDSET *st, RRDDIM *rd, collected_number divisor); - -extern RRDDIM *rrddim_find(RRDSET *st, const char *id); -/* This will not return dimensions that are archived */ -static inline RRDDIM *rrddim_find_active(RRDSET *st, const char *id) -{ - RRDDIM *rd = rrddim_find(st, id); - if (unlikely(rd && rrddim_flag_check(rd, RRDDIM_FLAG_ARCHIVED))) - return NULL; - return rd; -} +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, collected_number multiplier); +int rrddim_set_divisor(RRDSET *st, RRDDIM *rd, collected_number divisor); -extern int rrddim_hide(RRDSET *st, const char *id); -extern int rrddim_unhide(RRDSET *st, const char *id); +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); -extern void rrddim_is_obsolete(RRDSET *st, RRDDIM *rd); -extern void rrddim_isnot_obsolete(RRDSET *st, RRDDIM *rd); +int rrddim_hide(RRDSET *st, const char *id); +int rrddim_unhide(RRDSET *st, const char *id); + +void rrddim_is_obsolete(RRDSET *st, RRDDIM *rd); +void rrddim_isnot_obsolete(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); -extern collected_number rrddim_set_by_pointer(RRDSET *st, RRDDIM *rd, collected_number value); -extern collected_number rrddim_set(RRDSET *st, const char *id, collected_number value); #ifdef ENABLE_ACLK -extern time_t calc_dimension_liveness(RRDDIM *rd, time_t now); +time_t calc_dimension_liveness(RRDDIM *rd, time_t now); +#endif +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 -extern long align_entries_to_pagesize(RRD_MEMORY_MODE mode, long entries); // ---------------------------------------------------------------------------- // Miscellaneous functions -extern int alarm_compare_id(void *a, void *b); -extern int alarm_compare_name(void *a, void *b); +char *rrdset_strncpyz_name(char *to, const char *from, size_t length); // ---------------------------------------------------------------------------- // RRD internal functions -#ifdef NETDATA_RRD_INTERNALS - -extern avl_tree_lock rrdhost_root_index; +void rrdset_delete_files(RRDSET *st); +void rrdset_save(RRDSET *st); +void rrdset_free(RRDSET *st); -extern char *rrdset_strncpyz_name(char *to, const char *from, size_t length); -extern char *rrdset_cache_dir(RRDHOST *host, const char *id); - -extern void rrddim_free(RRDSET *st, RRDDIM *rd); - -extern int rrddim_compare(void* a, void* b); -extern int rrdset_compare(void* a, void* b); -extern int rrdset_compare_name(void* a, void* b); -extern int rrdfamily_compare(void *a, void *b); +#ifdef NETDATA_RRD_INTERNALS -extern RRDFAMILY *rrdfamily_create(RRDHOST *host, const char *id); -extern void rrdfamily_free(RRDHOST *host, RRDFAMILY *rc); +char *rrdset_cache_dir(RRDHOST *host, const char *id); -#define rrdset_index_add(host, st) (RRDSET *)avl_insert_lock(&((host)->rrdset_root_index), (avl_t *)(st)) -#define rrdset_index_del(host, st) (RRDSET *)avl_remove_lock(&((host)->rrdset_root_index), (avl_t *)(st)) -extern RRDSET *rrdset_index_del_name(RRDHOST *host, RRDSET *st); +void rrddim_free(RRDSET *st, RRDDIM *rd); -extern void rrdset_free(RRDSET *st); -extern void rrdset_reset(RRDSET *st); -extern void rrdset_save(RRDSET *st); -extern void rrdset_delete_files(RRDSET *st); -extern void rrdset_delete_obsolete_dimensions(RRDSET *st); +void rrdset_reset(RRDSET *st); +void rrdset_delete_obsolete_dimensions(RRDSET *st); -extern RRDHOST *rrdhost_create( +RRDHOST *rrdhost_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 entries, RRD_MEMORY_MODE memory_mode, unsigned int health_enabled, unsigned int rrdpush_enabled, - char *rrdpush_destination, char *rrdpush_api_key, char *rrdpush_send_charts_matching, struct rrdhost_system_info *system_info, - int is_localhost, bool is_archived); + 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, int is_localhost, bool is_archived); #endif /* NETDATA_RRD_INTERNALS */ -extern void set_host_properties( - RRDHOST *host, int update_every, RRD_MEMORY_MODE memory_mode, const char *hostname, const char *registry_hostname, - const char *guid, const char *os, const char *tags, const char *tzone, const char *abbrev_tzone, int32_t utc_offset, +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); -extern int get_tier_grouping(int tier); +size_t get_tier_grouping(size_t tier); // ---------------------------------------------------------------------------- // RRD DB engine declarations @@ -1331,8 +1400,8 @@ extern int get_tier_grouping(int tier); #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_chart.h" #include "sqlite/sqlite_aclk_alert.h" #include "sqlite/sqlite_aclk_node.h" #include "sqlite/sqlite_health.h" |