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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_API_QUERY_AVERAGE_H
#define NETDATA_API_QUERY_AVERAGE_H
#include "../query.h"
#include "../rrdr.h"
// ----------------------------------------------------------------------------
// average
struct tg_average {
NETDATA_DOUBLE sum;
size_t count;
};
static inline void tg_average_create(RRDR *r, const char *options __maybe_unused) {
r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_average));
}
// resets when switches dimensions
// so, clear everything to restart
static inline void tg_average_reset(RRDR *r) {
struct tg_average *g = (struct tg_average *)r->time_grouping.data;
g->sum = 0;
g->count = 0;
}
static inline void tg_average_free(RRDR *r) {
onewayalloc_freez(r->internal.owa, r->time_grouping.data);
r->time_grouping.data = NULL;
}
static inline void tg_average_add(RRDR *r, NETDATA_DOUBLE value) {
struct tg_average *g = (struct tg_average *)r->time_grouping.data;
g->sum += value;
g->count++;
}
static inline NETDATA_DOUBLE tg_average_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct tg_average *g = (struct tg_average *)r->time_grouping.data;
NETDATA_DOUBLE value;
if(unlikely(!g->count)) {
value = 0.0;
*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
}
else {
if(unlikely(r->time_grouping.resampling_group != 1))
value = g->sum / r->time_grouping.resampling_divisor;
else
value = g->sum / g->count;
}
g->sum = 0.0;
g->count = 0;
return value;
}
#endif //NETDATA_API_QUERY_AVERAGE_H
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