summaryrefslogtreecommitdiffstats
path: root/database/rrd.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--database/rrd.h1159
1 files changed, 614 insertions, 545 deletions
diff --git a/database/rrd.h b/database/rrd.h
index 605ff50bc..f071ee254 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"