@cryptotaxi247 / netdata
Code Commits Issues Pulls Sessions CI/CD
master
master
h 62 lines 1.61 KB
Raw
1 // SPDX-License-Identifier: GPL-3.0-or-later
2
3 #ifndef NETDATA_API_QUERY_AVERAGE_H
4 #define NETDATA_API_QUERY_AVERAGE_H
5
6 #include "../query.h"
7 #include "../rrdr.h"
8
9 // ----------------------------------------------------------------------------
10 // average
11
12 struct tg_average {
13 NETDATA_DOUBLE sum;
14 size_t count;
15 };
16
17 static inline void tg_average_create(RRDR *r, const char *options __maybe_unused) {
18 r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_average));
19 }
20
21 // resets when switches dimensions
22 // so, clear everything to restart
23 static inline void tg_average_reset(RRDR *r) {
24 struct tg_average *g = (struct tg_average *)r->time_grouping.data;
25 g->sum = 0;
26 g->count = 0;
27 }
28
29 static inline void tg_average_free(RRDR *r) {
30 onewayalloc_freez(r->internal.owa, r->time_grouping.data);
31 r->time_grouping.data = NULL;
32 }
33
34 static inline void tg_average_add(RRDR *r, NETDATA_DOUBLE value) {
35 struct tg_average *g = (struct tg_average *)r->time_grouping.data;
36 g->sum += value;
37 g->count++;
38 }
39
40 static inline NETDATA_DOUBLE tg_average_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
41 struct tg_average *g = (struct tg_average *)r->time_grouping.data;
42
43 NETDATA_DOUBLE value;
44
45 if(unlikely(!g->count)) {
46 value = 0.0;
47 *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
48 }
49 else {
50 if(unlikely(r->time_grouping.resampling_group != 1))
51 value = g->sum / r->time_grouping.resampling_divisor;
52 else
53 value = g->sum / g->count;
54 }
55
56 g->sum = 0.0;
57 g->count = 0;
58
59 return value;
60 }
61
62 #endif //NETDATA_API_QUERY_AVERAGE_H