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// SPDX-License-Identifier: GPL-3.0-or-later
#include "storage_engine.h"
#include "ram/rrddim_mem.h"
#ifdef ENABLE_DBENGINE
#include "engine/rrdengineapi.h"
#endif
#define im_collect_ops { \
.init = rrddim_collect_init, \
.store_metric = rrddim_collect_store_metric, \
.flush = rrddim_store_metric_flush, \
.finalize = rrddim_collect_finalize, \
.change_collection_frequency = rrddim_store_metric_change_collection_frequency, \
.metrics_group_get = rrddim_metrics_group_get, \
.metrics_group_release = rrddim_metrics_group_release, \
}
#define im_query_ops { \
.init = rrddim_query_init, \
.next_metric = rrddim_query_next_metric, \
.is_finished = rrddim_query_is_finished, \
.finalize = rrddim_query_finalize, \
.latest_time_s = rrddim_query_latest_time_s, \
.oldest_time_s = rrddim_query_oldest_time_s, \
.align_to_optimal_before = rrddim_query_align_to_optimal_before, \
}
static STORAGE_ENGINE engines[] = {
{
.id = RRD_MEMORY_MODE_NONE,
.name = RRD_MEMORY_MODE_NONE_NAME,
.api = {
.metric_get = rrddim_metric_get,
.metric_get_or_create = rrddim_metric_get_or_create,
.metric_dup = rrddim_metric_dup,
.metric_release = rrddim_metric_release,
.metric_retention_by_uuid = rrddim_metric_retention_by_uuid,
.collect_ops = im_collect_ops,
.query_ops = im_query_ops,
}
},
{
.id = RRD_MEMORY_MODE_RAM,
.name = RRD_MEMORY_MODE_RAM_NAME,
.api = {
.metric_get = rrddim_metric_get,
.metric_get_or_create = rrddim_metric_get_or_create,
.metric_dup = rrddim_metric_dup,
.metric_release = rrddim_metric_release,
.metric_retention_by_uuid = rrddim_metric_retention_by_uuid,
.collect_ops = im_collect_ops,
.query_ops = im_query_ops,
}
},
{
.id = RRD_MEMORY_MODE_MAP,
.name = RRD_MEMORY_MODE_MAP_NAME,
.api = {
.metric_get = rrddim_metric_get,
.metric_get_or_create = rrddim_metric_get_or_create,
.metric_dup = rrddim_metric_dup,
.metric_release = rrddim_metric_release,
.metric_retention_by_uuid = rrddim_metric_retention_by_uuid,
.collect_ops = im_collect_ops,
.query_ops = im_query_ops,
}
},
{
.id = RRD_MEMORY_MODE_SAVE,
.name = RRD_MEMORY_MODE_SAVE_NAME,
.api = {
.metric_get = rrddim_metric_get,
.metric_get_or_create = rrddim_metric_get_or_create,
.metric_dup = rrddim_metric_dup,
.metric_release = rrddim_metric_release,
.metric_retention_by_uuid = rrddim_metric_retention_by_uuid,
.collect_ops = im_collect_ops,
.query_ops = im_query_ops,
}
},
{
.id = RRD_MEMORY_MODE_ALLOC,
.name = RRD_MEMORY_MODE_ALLOC_NAME,
.api = {
.metric_get = rrddim_metric_get,
.metric_get_or_create = rrddim_metric_get_or_create,
.metric_dup = rrddim_metric_dup,
.metric_release = rrddim_metric_release,
.metric_retention_by_uuid = rrddim_metric_retention_by_uuid,
.collect_ops = im_collect_ops,
.query_ops = im_query_ops,
}
},
#ifdef ENABLE_DBENGINE
{
.id = RRD_MEMORY_MODE_DBENGINE,
.name = RRD_MEMORY_MODE_DBENGINE_NAME,
.api = {
.metric_get = rrdeng_metric_get,
.metric_get_or_create = rrdeng_metric_get_or_create,
.metric_dup = rrdeng_metric_dup,
.metric_release = rrdeng_metric_release,
.metric_retention_by_uuid = rrdeng_metric_retention_by_uuid,
.collect_ops = {
.init = rrdeng_store_metric_init,
.store_metric = rrdeng_store_metric_next,
.flush = rrdeng_store_metric_flush_current_page,
.finalize = rrdeng_store_metric_finalize,
.change_collection_frequency = rrdeng_store_metric_change_collection_frequency,
.metrics_group_get = rrdeng_metrics_group_get,
.metrics_group_release = rrdeng_metrics_group_release,
},
.query_ops = {
.init = rrdeng_load_metric_init,
.next_metric = rrdeng_load_metric_next,
.is_finished = rrdeng_load_metric_is_finished,
.finalize = rrdeng_load_metric_finalize,
.latest_time_s = rrdeng_metric_latest_time,
.oldest_time_s = rrdeng_metric_oldest_time,
.align_to_optimal_before = rrdeng_load_align_to_optimal_before,
}
}
},
#endif
{ .id = RRD_MEMORY_MODE_NONE, .name = NULL }
};
STORAGE_ENGINE* storage_engine_find(const char* name)
{
for (STORAGE_ENGINE* it = engines; it->name; it++) {
if (strcmp(it->name, name) == 0)
return it;
}
return NULL;
}
STORAGE_ENGINE* storage_engine_get(RRD_MEMORY_MODE mmode)
{
for (STORAGE_ENGINE* it = engines; it->name; it++) {
if (it->id == mmode)
return it;
}
return NULL;
}
STORAGE_ENGINE* storage_engine_foreach_init()
{
// Assuming at least one engine exists
return &engines[0];
}
STORAGE_ENGINE* storage_engine_foreach_next(STORAGE_ENGINE* it)
{
if (!it || !it->name)
return NULL;
it++;
return it->name ? it : NULL;
}
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