| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "storage-engine.h" |
| 4 | #include "ram/rrddim_mem.h" |
| 5 | #ifdef ENABLE_DBENGINE |
| 6 | #include "engine/rrdengineapi.h" |
| 7 | #endif |
| 8 | |
| 9 | static STORAGE_ENGINE engines[] = { |
| 10 | { |
| 11 | .id = RRD_DB_MODE_NONE, |
| 12 | .name = RRD_DB_MODE_NONE_NAME, |
| 13 | .seb = STORAGE_ENGINE_BACKEND_RRDDIM, |
| 14 | .api = { |
| 15 | .metric_get_by_id = rrddim_metric_get_by_id, |
| 16 | .metric_get_by_uuid = rrddim_metric_get_by_uuid, |
| 17 | .metric_get_or_create = rrddim_metric_get_or_create, |
| 18 | .metric_dup = rrddim_metric_dup, |
| 19 | .metric_release = rrddim_metric_release, |
| 20 | .metric_retention_by_id = rrddim_metric_retention_by_id, |
| 21 | .metric_retention_by_uuid = rrddim_metric_retention_by_uuid, |
| 22 | .metric_retention_delete_by_id = rrddim_retention_delete_by_id, |
| 23 | } |
| 24 | }, |
| 25 | { |
| 26 | .id = RRD_DB_MODE_RAM, |
| 27 | .name = RRD_DB_MODE_RAM_NAME, |
| 28 | .seb = STORAGE_ENGINE_BACKEND_RRDDIM, |
| 29 | .api = { |
| 30 | .metric_get_by_id = rrddim_metric_get_by_id, |
| 31 | .metric_get_by_uuid = rrddim_metric_get_by_uuid, |
| 32 | .metric_get_or_create = rrddim_metric_get_or_create, |
| 33 | .metric_dup = rrddim_metric_dup, |
| 34 | .metric_release = rrddim_metric_release, |
| 35 | .metric_retention_by_id = rrddim_metric_retention_by_id, |
| 36 | .metric_retention_by_uuid = rrddim_metric_retention_by_uuid, |
| 37 | .metric_retention_delete_by_id = rrddim_retention_delete_by_id, |
| 38 | } |
| 39 | }, |
| 40 | { |
| 41 | .id = RRD_DB_MODE_ALLOC, |
| 42 | .name = RRD_DB_MODE_ALLOC_NAME, |
| 43 | .seb = STORAGE_ENGINE_BACKEND_RRDDIM, |
| 44 | .api = { |
| 45 | .metric_get_by_id = rrddim_metric_get_by_id, |
| 46 | .metric_get_by_uuid = rrddim_metric_get_by_uuid, |
| 47 | .metric_get_or_create = rrddim_metric_get_or_create, |
| 48 | .metric_dup = rrddim_metric_dup, |
| 49 | .metric_release = rrddim_metric_release, |
| 50 | .metric_retention_by_id = rrddim_metric_retention_by_id, |
| 51 | .metric_retention_by_uuid = rrddim_metric_retention_by_uuid, |
| 52 | .metric_retention_delete_by_id = rrddim_retention_delete_by_id, |
| 53 | } |
| 54 | }, |
| 55 | #ifdef ENABLE_DBENGINE |
| 56 | { |
| 57 | .id = RRD_DB_MODE_DBENGINE, |
| 58 | .name = RRD_DB_MODE_DBENGINE_NAME, |
| 59 | .seb = STORAGE_ENGINE_BACKEND_DBENGINE, |
| 60 | .api = { |
| 61 | .metric_get_by_id = rrdeng_metric_get_by_id, |
| 62 | .metric_get_by_uuid = rrdeng_metric_get_by_uuid, |
| 63 | .metric_get_or_create = rrdeng_metric_get_or_create, |
| 64 | .metric_dup = rrdeng_metric_dup, |
| 65 | .metric_release = rrdeng_metric_release, |
| 66 | .metric_retention_by_id = rrdeng_metric_retention_by_id, |
| 67 | .metric_retention_by_uuid = rrdeng_metric_retention_by_uuid, |
| 68 | .metric_retention_delete_by_id = rrdeng_metric_retention_delete_by_id, |
| 69 | } |
| 70 | }, |
| 71 | #endif |
| 72 | { .id = RRD_DB_MODE_NONE, .name = NULL } |
| 73 | }; |
| 74 | |
| 75 | STORAGE_ENGINE* storage_engine_find(const char* name) |
| 76 | { |
| 77 | for (STORAGE_ENGINE* it = engines; it->name; it++) { |
| 78 | if (strcmp(it->name, name) == 0) |
| 79 | return it; |
| 80 | } |
| 81 | return NULL; |
| 82 | } |
| 83 | |
| 84 | STORAGE_ENGINE* storage_engine_get(RRD_DB_MODE mmode) |
| 85 | { |
| 86 | for (STORAGE_ENGINE* it = engines; it->name; it++) { |
| 87 | if (it->id == mmode) |
| 88 | return it; |
| 89 | } |
| 90 | return NULL; |
| 91 | } |
| 92 | |
| 93 | STORAGE_ENGINE* storage_engine_foreach_init() |
| 94 | { |
| 95 | // Assuming at least one engine exists |
| 96 | return &engines[0]; |
| 97 | } |
| 98 | |
| 99 | STORAGE_ENGINE* storage_engine_foreach_next(STORAGE_ENGINE* it) |
| 100 | { |
| 101 | if (!it || !it->name) |
| 102 | return NULL; |
| 103 | |
| 104 | it++; |
| 105 | return it->name ? it : NULL; |
| 106 | } |