| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #ifndef DBENGINE_PAGE_H |
| 4 | #define DBENGINE_PAGE_H |
| 5 | |
| 6 | #ifdef __cplusplus |
| 7 | extern "C" { |
| 8 | #endif |
| 9 | |
| 10 | #include "libnetdata/libnetdata.h" |
| 11 | |
| 12 | typedef struct pgd_cursor { |
| 13 | struct pgd *pgd; |
| 14 | uint32_t position; |
| 15 | uint32_t slots; |
| 16 | |
| 17 | gorilla_reader_t gr; |
| 18 | } PGDC; |
| 19 | |
| 20 | #include "rrdengine.h" |
| 21 | |
| 22 | typedef struct pgd PGD; |
| 23 | |
| 24 | #define PGD_EMPTY (PGD *)(-1) |
| 25 | |
| 26 | void pgd_init_arals(void); |
| 27 | |
| 28 | PGD *pgd_create(uint8_t type, uint32_t slots); |
| 29 | PGD *pgd_create_from_disk_data(uint8_t type, void *base, uint32_t size); |
| 30 | void pgd_free(PGD *pg); |
| 31 | |
| 32 | uint32_t pgd_type(PGD *pg); |
| 33 | bool pgd_is_empty(PGD *pg); |
| 34 | uint32_t pgd_slots_used(PGD *pg); |
| 35 | |
| 36 | uint32_t pgd_buffer_memory_footprint(PGD *pg); |
| 37 | uint32_t pgd_memory_footprint(PGD *pg); |
| 38 | uint32_t pgd_capacity(PGD *pg); |
| 39 | uint32_t pgd_disk_footprint(PGD *pg); |
| 40 | |
| 41 | struct aral_statistics *pgd_aral_stats(void); |
| 42 | size_t pgd_padding_bytes(void); |
| 43 | |
| 44 | void pgd_copy_to_extent(PGD *pg, uint8_t *dst, uint32_t dst_size); |
| 45 | |
| 46 | size_t pgd_append_point(PGD *pg, |
| 47 | usec_t point_in_time_ut, |
| 48 | NETDATA_DOUBLE n, |
| 49 | NETDATA_DOUBLE min_value, |
| 50 | NETDATA_DOUBLE max_value, |
| 51 | uint16_t count, |
| 52 | uint16_t anomaly_count, |
| 53 | SN_FLAGS flags, |
| 54 | uint32_t expected_slot); |
| 55 | |
| 56 | void pgdc_reset(PGDC *pgdc, PGD *pgd, uint32_t position); |
| 57 | bool pgdc_get_next_point(PGDC *pgdc, uint32_t expected_position, STORAGE_POINT *sp); |
| 58 | |
| 59 | void *dbengine_extent_alloc(size_t size); |
| 60 | void dbengine_extent_free(void *extent, size_t size); |
| 61 | |
| 62 | #ifdef __cplusplus |
| 63 | } |
| 64 | #endif |
| 65 | |
| 66 | #endif // DBENGINE_PAGE_H |