diff options
Diffstat (limited to 'database/engine/rrdengineapi.h')
| -rw-r--r-- | database/engine/rrdengineapi.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/database/engine/rrdengineapi.h b/database/engine/rrdengineapi.h new file mode 100644 index 00000000..e76629a4 --- /dev/null +++ b/database/engine/rrdengineapi.h @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_RRDENGINEAPI_H +#define NETDATA_RRDENGINEAPI_H + +#include "rrdengine.h" + +#define RRDENG_MIN_PAGE_CACHE_SIZE_MB (32) +#define RRDENG_MIN_DISK_SPACE_MB (256) +extern int default_rrdeng_page_cache_mb; +extern int default_rrdeng_disk_quota_mb; + +extern void *rrdeng_create_page(uuid_t *id, struct rrdeng_page_cache_descr **ret_descr); +extern void rrdeng_commit_page(struct rrdengine_instance *ctx, struct rrdeng_page_cache_descr *descr, + Word_t page_correlation_id); +extern void *rrdeng_get_latest_page(struct rrdengine_instance *ctx, uuid_t *id, void **handle); +extern void *rrdeng_get_page(struct rrdengine_instance *ctx, uuid_t *id, usec_t point_in_time, void **handle); +extern void rrdeng_put_page(struct rrdengine_instance *ctx, void *handle); +extern void rrdeng_store_metric_init(RRDDIM *rd); +extern void rrdeng_store_metric_next(RRDDIM *rd, usec_t point_in_time, storage_number number); +extern void rrdeng_store_metric_finalize(RRDDIM *rd); +extern void rrdeng_load_metric_init(RRDDIM *rd, struct rrddim_query_handle *rrdimm_handle, + time_t start_time, time_t end_time); +extern storage_number rrdeng_load_metric_next(struct rrddim_query_handle *rrdimm_handle); +extern int rrdeng_load_metric_is_finished(struct rrddim_query_handle *rrdimm_handle); +extern void rrdeng_load_metric_finalize(struct rrddim_query_handle *rrdimm_handle); +extern time_t rrdeng_metric_latest_time(RRDDIM *rd); +extern time_t rrdeng_metric_oldest_time(RRDDIM *rd); +extern void rrdeng_get_27_statistics(struct rrdengine_instance *ctx, unsigned long long *array); + +/* must call once before using anything */ +extern int rrdeng_init(struct rrdengine_instance **ctxp, char *dbfiles_path, unsigned page_cache_mb, + unsigned disk_space_mb); + +extern int rrdeng_exit(struct rrdengine_instance *ctx); + +#endif /* NETDATA_RRDENGINEAPI_H */
\ No newline at end of file |