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-rw-r--r--database/rrdcontext.h208
1 files changed, 183 insertions, 25 deletions
diff --git a/database/rrdcontext.h b/database/rrdcontext.h
index a9e0bd2e3..67e6cf394 100644
--- a/database/rrdcontext.h
+++ b/database/rrdcontext.h
@@ -8,7 +8,6 @@
typedef struct rrdmetric_acquired RRDMETRIC_ACQUIRED;
-
// ----------------------------------------------------------------------------
// RRDINSTANCE
@@ -24,15 +23,26 @@ typedef struct rrdcontext_acquired RRDCONTEXT_ACQUIRED;
#include "rrd.h"
+const char *rrdmetric_acquired_id(RRDMETRIC_ACQUIRED *rma);
+const char *rrdmetric_acquired_name(RRDMETRIC_ACQUIRED *rma);
+NETDATA_DOUBLE rrdmetric_acquired_last_stored_value(RRDMETRIC_ACQUIRED *rma);
+
+const char *rrdinstance_acquired_id(RRDINSTANCE_ACQUIRED *ria);
+const char *rrdinstance_acquired_name(RRDINSTANCE_ACQUIRED *ria);
+DICTIONARY *rrdinstance_acquired_labels(RRDINSTANCE_ACQUIRED *ria);
+DICTIONARY *rrdinstance_acquired_functions(RRDINSTANCE_ACQUIRED *ria);
+
// ----------------------------------------------------------------------------
// public API for rrdhost
-extern void rrdhost_load_rrdcontext_data(RRDHOST *host);
-extern void rrdhost_create_rrdcontexts(RRDHOST *host);
-extern void rrdhost_destroy_rrdcontexts(RRDHOST *host);
+void rrdhost_load_rrdcontext_data(RRDHOST *host);
+void rrdhost_create_rrdcontexts(RRDHOST *host);
+void rrdhost_destroy_rrdcontexts(RRDHOST *host);
-extern void rrdcontext_host_child_connected(RRDHOST *host);
-extern void rrdcontext_host_child_disconnected(RRDHOST *host);
+void rrdcontext_host_child_connected(RRDHOST *host);
+void rrdcontext_host_child_disconnected(RRDHOST *host);
+
+int rrdcontext_foreach_instance_with_rrdset_in_context(RRDHOST *host, const char *context, int (*callback)(RRDSET *st, void *data), void *data);
typedef enum {
RRDCONTEXT_OPTION_NONE = 0,
@@ -50,43 +60,191 @@ typedef enum {
#define RRDCONTEXT_OPTIONS_ALL (RRDCONTEXT_OPTION_SHOW_METRICS|RRDCONTEXT_OPTION_SHOW_INSTANCES|RRDCONTEXT_OPTION_SHOW_LABELS|RRDCONTEXT_OPTION_SHOW_QUEUED|RRDCONTEXT_OPTION_SHOW_FLAGS|RRDCONTEXT_OPTION_SHOW_DELETED|RRDCONTEXT_OPTION_SHOW_UUIDS|RRDCONTEXT_OPTION_SHOW_HIDDEN)
-extern int rrdcontext_to_json(RRDHOST *host, BUFFER *wb, time_t after, time_t before, RRDCONTEXT_TO_JSON_OPTIONS options, const char *context, SIMPLE_PATTERN *chart_label_key, SIMPLE_PATTERN *chart_labels_filter, SIMPLE_PATTERN *chart_dimensions);
-extern int rrdcontexts_to_json(RRDHOST *host, BUFFER *wb, time_t after, time_t before, RRDCONTEXT_TO_JSON_OPTIONS options, SIMPLE_PATTERN *chart_label_key, SIMPLE_PATTERN *chart_labels_filter, SIMPLE_PATTERN *chart_dimensions);
+int rrdcontext_to_json(RRDHOST *host, BUFFER *wb, time_t after, time_t before, RRDCONTEXT_TO_JSON_OPTIONS options, const char *context, SIMPLE_PATTERN *chart_label_key, SIMPLE_PATTERN *chart_labels_filter, SIMPLE_PATTERN *chart_dimensions);
+int rrdcontexts_to_json(RRDHOST *host, BUFFER *wb, time_t after, time_t before, RRDCONTEXT_TO_JSON_OPTIONS options, SIMPLE_PATTERN *chart_label_key, SIMPLE_PATTERN *chart_labels_filter, SIMPLE_PATTERN *chart_dimensions);
+
+// ----------------------------------------------------------------------------
+// public API for rrdcontexts
+
+const char *rrdcontext_acquired_id(RRDCONTEXT_ACQUIRED *rca);
// ----------------------------------------------------------------------------
// public API for rrddims
-extern void rrdcontext_updated_rrddim(RRDDIM *rd);
-extern void rrdcontext_removed_rrddim(RRDDIM *rd);
-extern void rrdcontext_updated_rrddim_algorithm(RRDDIM *rd);
-extern void rrdcontext_updated_rrddim_multiplier(RRDDIM *rd);
-extern void rrdcontext_updated_rrddim_divisor(RRDDIM *rd);
-extern void rrdcontext_updated_rrddim_flags(RRDDIM *rd);
-extern void rrdcontext_collected_rrddim(RRDDIM *rd);
+void rrdcontext_updated_rrddim(RRDDIM *rd);
+void rrdcontext_removed_rrddim(RRDDIM *rd);
+void rrdcontext_updated_rrddim_algorithm(RRDDIM *rd);
+void rrdcontext_updated_rrddim_multiplier(RRDDIM *rd);
+void rrdcontext_updated_rrddim_divisor(RRDDIM *rd);
+void rrdcontext_updated_rrddim_flags(RRDDIM *rd);
+void rrdcontext_collected_rrddim(RRDDIM *rd);
+int rrdcontext_find_dimension_uuid(RRDSET *st, const char *id, uuid_t *store_uuid);
// ----------------------------------------------------------------------------
// public API for rrdsets
-extern void rrdcontext_updated_rrdset(RRDSET *st);
-extern void rrdcontext_removed_rrdset(RRDSET *st);
-extern void rrdcontext_updated_rrdset_name(RRDSET *st);
-extern void rrdcontext_updated_rrdset_flags(RRDSET *st);
-extern void rrdcontext_collected_rrdset(RRDSET *st);
+void rrdcontext_updated_rrdset(RRDSET *st);
+void rrdcontext_removed_rrdset(RRDSET *st);
+void rrdcontext_updated_rrdset_name(RRDSET *st);
+void rrdcontext_updated_rrdset_flags(RRDSET *st);
+void rrdcontext_updated_retention_rrdset(RRDSET *st);
+void rrdcontext_collected_rrdset(RRDSET *st);
+int rrdcontext_find_chart_uuid(RRDSET *st, uuid_t *store_uuid);
// ----------------------------------------------------------------------------
// public API for ACLK
-extern void rrdcontext_hub_checkpoint_command(void *cmd);
-extern void rrdcontext_hub_stop_streaming_command(void *cmd);
+void rrdcontext_hub_checkpoint_command(void *cmd);
+void rrdcontext_hub_stop_streaming_command(void *cmd);
// ----------------------------------------------------------------------------
// public API for threads
-extern int rrdcontext_enabled;
+void rrdcontext_db_rotation(void);
+void *rrdcontext_main(void *);
+
+// ----------------------------------------------------------------------------
+// public API for weights
+
+struct metric_entry {
+ RRDCONTEXT_ACQUIRED *rca;
+ RRDINSTANCE_ACQUIRED *ria;
+ RRDMETRIC_ACQUIRED *rma;
+};
+
+DICTIONARY *rrdcontext_all_metrics_to_dict(RRDHOST *host, SIMPLE_PATTERN *contexts);
-extern void rrdcontext_db_rotation(void);
-extern void *rrdcontext_main(void *);
+// ----------------------------------------------------------------------------
+// public API for queries
+
+typedef struct query_metric {
+ struct query_metric_tier {
+ struct storage_engine *eng;
+ STORAGE_METRIC_HANDLE *db_metric_handle;
+ time_t db_first_time_t; // the oldest timestamp available for this tier
+ time_t db_last_time_t; // the latest timestamp available for this tier
+ time_t db_update_every; // latest update every for this tier
+ } tiers[RRD_STORAGE_TIERS];
+
+ struct {
+ RRDHOST *host;
+ RRDCONTEXT_ACQUIRED *rca;
+ RRDINSTANCE_ACQUIRED *ria;
+ RRDMETRIC_ACQUIRED *rma;
+ } link;
+
+ struct {
+ STRING *id;
+ STRING *name;
+ RRDR_DIMENSION_FLAGS options;
+ } dimension;
+
+ struct {
+ STRING *id;
+ STRING *name;
+ } chart;
+
+} QUERY_METRIC;
+
+#define MAX_QUERY_TARGET_ID_LENGTH 255
+
+typedef struct query_target_request {
+ RRDHOST *host; // the host to be queried (can be NULL, hosts will be used)
+ RRDCONTEXT_ACQUIRED *rca; // the context to be queried (can be NULL)
+ RRDINSTANCE_ACQUIRED *ria; // the instance to be queried (can be NULL)
+ RRDMETRIC_ACQUIRED *rma; // the metric to be queried (can be NULL)
+ RRDSET *st; // the chart to be queried (NULL, for context queries)
+ const char *hosts; // hosts simple pattern
+ const char *contexts; // contexts simple pattern (context queries)
+ const char *charts; // charts simple pattern (for context queries)
+ const char *dimensions; // dimensions simple pattern
+ const char *chart_label_key; // select only the chart having this label key
+ const char *charts_labels_filter; // select only the charts having this combo of label key:value
+ time_t after; // the requested timeframe
+ time_t before; // the requested timeframe
+ size_t points; // the requested number of points
+ time_t timeout; // the timeout of the query in seconds
+ uint32_t format; // DATASOURCE_FORMAT
+ RRDR_OPTIONS options;
+ RRDR_GROUPING group_method;
+ const char *group_options;
+ time_t resampling_time;
+ size_t tier;
+ QUERY_SOURCE query_source;
+} QUERY_TARGET_REQUEST;
+
+typedef struct query_target {
+ char id[MAX_QUERY_TARGET_ID_LENGTH + 1]; // query identifier (for logging)
+ QUERY_TARGET_REQUEST request;
+
+ bool used; // when true, this query is currently being used
+ size_t queries; // how many query we have done so far
+
+ struct {
+ bool relative; // true when the request made with relative timestamps, true if it was absolute
+ bool aligned;
+ time_t after; // the absolute timestamp this query is about
+ time_t before; // the absolute timestamp this query is about
+ time_t query_granularity;
+ size_t points; // the number of points the query will return (maybe different from the request)
+ size_t group;
+ RRDR_GROUPING group_method;
+ const char *group_options;
+ size_t resampling_group;
+ NETDATA_DOUBLE resampling_divisor;
+ RRDR_OPTIONS options;
+ size_t tier;
+ } window;
+
+ struct {
+ time_t first_time_t; // the combined first_time_t of all metrics in the query, across all tiers
+ time_t last_time_t; // the combined last_time_T of all metrics in the query, across all tiers
+ time_t minimum_latest_update_every; // the min update every of the metrics in the query
+ } db;
+
+ struct {
+ QUERY_METRIC *array; // the metrics to be queried (all of them should be queried, no exceptions)
+ uint32_t used; // how many items of the array are used
+ uint32_t size; // the size of the array
+ SIMPLE_PATTERN *pattern;
+ } query;
+
+ struct {
+ RRDMETRIC_ACQUIRED **array;
+ uint32_t used; // how many items of the array are used
+ uint32_t size; // the size of the array
+ } metrics;
+
+ struct {
+ RRDINSTANCE_ACQUIRED **array;
+ uint32_t used; // how many items of the array are used
+ uint32_t size; // the size of the array
+ SIMPLE_PATTERN *pattern;
+ SIMPLE_PATTERN *chart_label_key_pattern;
+ SIMPLE_PATTERN *charts_labels_filter_pattern;
+ } instances;
+
+ struct {
+ RRDCONTEXT_ACQUIRED **array;
+ uint32_t used; // how many items of the array are used
+ uint32_t size; // the size of the array
+ SIMPLE_PATTERN *pattern;
+ } contexts;
+
+ struct {
+ RRDHOST **array;
+ uint32_t used; // how many items of the array are used
+ uint32_t size; // the size of the array
+ SIMPLE_PATTERN *pattern;
+ } hosts;
+
+} QUERY_TARGET;
+
+void query_target_free(void);
+void query_target_release(QUERY_TARGET *qt);
+
+QUERY_TARGET *query_target_create(QUERY_TARGET_REQUEST *qtr);
#endif // NETDATA_RRDCONTEXT_H
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-06 03:49:03 +0000