1 files changed, 54 insertions, 0 deletions
diff --git a/database/ram/rrddim_mem.h b/database/ram/rrddim_mem.h
new file mode 100644
index 00000000..a75814a0
--- /dev/null
+++ b/database/ram/rrddim_mem.h
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_RRDDIMMEM_H
+#define NETDATA_RRDDIMMEM_H
+
+#include "database/rrd.h"
+
+struct mem_collect_handle {
+    struct storage_collect_handle common; // has to be first item
+
+    STORAGE_METRIC_HANDLE *db_metric_handle;
+    RRDDIM *rd;
+};
+
+struct mem_query_handle {
+    STORAGE_METRIC_HANDLE *db_metric_handle;
+    time_t dt;
+    time_t next_timestamp;
+    time_t last_timestamp;
+    time_t slot_timestamp;
+    size_t slot;
+    size_t last_slot;
+};
+
+STORAGE_METRIC_HANDLE *rrddim_metric_get_or_create(RRDDIM *rd, STORAGE_INSTANCE *db_instance);
+STORAGE_METRIC_HANDLE *rrddim_metric_get(STORAGE_INSTANCE *db_instance, uuid_t *uuid);
+STORAGE_METRIC_HANDLE *rrddim_metric_dup(STORAGE_METRIC_HANDLE *db_metric_handle);
+void rrddim_metric_release(STORAGE_METRIC_HANDLE *db_metric_handle);
+
+bool rrddim_metric_retention_by_uuid(STORAGE_INSTANCE *db_instance, uuid_t *uuid, time_t *first_entry_s, time_t *last_entry_s);
+
+STORAGE_METRICS_GROUP *rrddim_metrics_group_get(STORAGE_INSTANCE *db_instance, uuid_t *uuid);
+void rrddim_metrics_group_release(STORAGE_INSTANCE *db_instance, STORAGE_METRICS_GROUP *smg);
+
+STORAGE_COLLECT_HANDLE *rrddim_collect_init(STORAGE_METRIC_HANDLE *db_metric_handle, uint32_t update_every, STORAGE_METRICS_GROUP *smg);
+void rrddim_store_metric_change_collection_frequency(STORAGE_COLLECT_HANDLE *collection_handle, int update_every);
+void rrddim_collect_store_metric(STORAGE_COLLECT_HANDLE *collection_handle, usec_t point_in_time_ut, NETDATA_DOUBLE n,
+                                 NETDATA_DOUBLE min_value,
+                                 NETDATA_DOUBLE max_value,
+                                 uint16_t count,
+                                 uint16_t anomaly_count,
+                                 SN_FLAGS flags);
+void rrddim_store_metric_flush(STORAGE_COLLECT_HANDLE *collection_handle);
+int rrddim_collect_finalize(STORAGE_COLLECT_HANDLE *collection_handle);
+
+void rrddim_query_init(STORAGE_METRIC_HANDLE *db_metric_handle, struct storage_engine_query_handle *handle, time_t start_time_s, time_t end_time_s, STORAGE_PRIORITY priority);
+STORAGE_POINT rrddim_query_next_metric(struct storage_engine_query_handle *handle);
+int rrddim_query_is_finished(struct storage_engine_query_handle *handle);
+void rrddim_query_finalize(struct storage_engine_query_handle *handle);
+time_t rrddim_query_latest_time_s(STORAGE_METRIC_HANDLE *db_metric_handle);
+time_t rrddim_query_oldest_time_s(STORAGE_METRIC_HANDLE *db_metric_handle);
+time_t rrddim_query_align_to_optimal_before(struct storage_engine_query_handle *rrddim_handle);
+
+#endif