From 5da14042f70711ea5cf66e034699730335462f66 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 14:08:03 +0200 Subject: Merging upstream version 1.45.3+dfsg. Signed-off-by: Daniel Baumann --- src/web/api/queries/max/max.h | 59 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 src/web/api/queries/max/max.h (limited to 'src/web/api/queries/max/max.h') diff --git a/src/web/api/queries/max/max.h b/src/web/api/queries/max/max.h new file mode 100644 index 000000000..c26bb79ad --- /dev/null +++ b/src/web/api/queries/max/max.h @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_API_QUERY_MAX_H +#define NETDATA_API_QUERY_MAX_H + +#include "../query.h" +#include "../rrdr.h" + +struct tg_max { + NETDATA_DOUBLE max; + size_t count; +}; + +static inline void tg_max_create(RRDR *r, const char *options __maybe_unused) { + r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_max)); +} + +// resets when switches dimensions +// so, clear everything to restart +static inline void tg_max_reset(RRDR *r) { + struct tg_max *g = (struct tg_max *)r->time_grouping.data; + g->max = 0; + g->count = 0; +} + +static inline void tg_max_free(RRDR *r) { + onewayalloc_freez(r->internal.owa, r->time_grouping.data); + r->time_grouping.data = NULL; +} + +static inline void tg_max_add(RRDR *r, NETDATA_DOUBLE value) { + struct tg_max *g = (struct tg_max *)r->time_grouping.data; + + if(!g->count || fabsndd(value) > fabsndd(g->max)) { + g->max = value; + g->count++; + } +} + +static inline NETDATA_DOUBLE tg_max_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) { + struct tg_max *g = (struct tg_max *)r->time_grouping.data; + + NETDATA_DOUBLE value; + + if(unlikely(!g->count)) { + value = 0.0; + *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY; + } + else { + value = g->max; + } + + g->max = 0.0; + g->count = 0; + + return value; +} + +#endif //NETDATA_API_QUERY_MAX_H -- cgit v1.2.3