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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rrddim_mem.h"
// ----------------------------------------------------------------------------
// RRDDIM legacy data collection functions
void rrddim_collect_init(RRDDIM *rd) {
rd->values[rd->rrdset->current_entry] = SN_EMPTY_SLOT;
rd->state->handle = calloc(1, sizeof(struct mem_collect_handle));
}
void rrddim_collect_store_metric(RRDDIM *rd, usec_t point_in_time, storage_number number) {
(void)point_in_time;
rd->values[rd->rrdset->current_entry] = number;
}
int rrddim_collect_finalize(RRDDIM *rd) {
free((struct mem_collect_handle*)rd->state->handle);
return 0;
}
// ----------------------------------------------------------------------------
// RRDDIM legacy database query functions
void rrddim_query_init(RRDDIM *rd, struct rrddim_query_handle *handle, time_t start_time, time_t end_time) {
handle->rd = rd;
handle->start_time = start_time;
handle->end_time = end_time;
struct mem_query_handle* h = calloc(1, sizeof(struct mem_query_handle));
h->slot = rrdset_time2slot(rd->rrdset, start_time);
h->last_slot = rrdset_time2slot(rd->rrdset, end_time);
h->finished = 0;
handle->handle = (STORAGE_QUERY_HANDLE *)h;
}
storage_number rrddim_query_next_metric(struct rrddim_query_handle *handle, time_t *current_time) {
RRDDIM *rd = handle->rd;
struct mem_query_handle* h = (struct mem_query_handle*)handle->handle;
long entries = rd->rrdset->entries;
long slot = h->slot;
(void)current_time;
if (unlikely(h->slot == h->last_slot))
h->finished = 1;
storage_number n = rd->values[slot++];
if(unlikely(slot >= entries)) slot = 0;
h->slot = slot;
return n;
}
int rrddim_query_is_finished(struct rrddim_query_handle *handle) {
struct mem_query_handle* h = (struct mem_query_handle*)handle->handle;
return h->finished;
}
void rrddim_query_finalize(struct rrddim_query_handle *handle) {
freez(handle->handle);
}
time_t rrddim_query_latest_time(RRDDIM *rd) {
return rrdset_last_entry_t_nolock(rd->rrdset);
}
time_t rrddim_query_oldest_time(RRDDIM *rd) {
return rrdset_first_entry_t_nolock(rd->rrdset);
}
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