diff options
Diffstat (limited to 'web/api/queries/sum/sum.h')
-rw-r--r-- | web/api/queries/sum/sum.h | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/web/api/queries/sum/sum.h b/web/api/queries/sum/sum.h index 898782775..5e07f45d6 100644 --- a/web/api/queries/sum/sum.h +++ b/web/api/queries/sum/sum.h @@ -6,10 +6,51 @@ #include "../query.h" #include "../rrdr.h" -void grouping_create_sum(RRDR *r, const char *options __maybe_unused); -void grouping_reset_sum(RRDR *r); -void grouping_free_sum(RRDR *r); -void grouping_add_sum(RRDR *r, NETDATA_DOUBLE value); -NETDATA_DOUBLE grouping_flush_sum(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr); +struct tg_sum { + NETDATA_DOUBLE sum; + size_t count; +}; + +static inline void tg_sum_create(RRDR *r, const char *options __maybe_unused) { + r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_sum)); +} + +// resets when switches dimensions +// so, clear everything to restart +static inline void tg_sum_reset(RRDR *r) { + struct tg_sum *g = (struct tg_sum *)r->time_grouping.data; + g->sum = 0; + g->count = 0; +} + +static inline void tg_sum_free(RRDR *r) { + onewayalloc_freez(r->internal.owa, r->time_grouping.data); + r->time_grouping.data = NULL; +} + +static inline void tg_sum_add(RRDR *r, NETDATA_DOUBLE value) { + struct tg_sum *g = (struct tg_sum *)r->time_grouping.data; + g->sum += value; + g->count++; +} + +static inline NETDATA_DOUBLE tg_sum_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) { + struct tg_sum *g = (struct tg_sum *)r->time_grouping.data; + + NETDATA_DOUBLE value; + + if(unlikely(!g->count)) { + value = 0.0; + *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY; + } + else { + value = g->sum; + } + + g->sum = 0.0; + g->count = 0; + + return value; +} #endif //NETDATA_API_QUERY_SUM_H |