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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_API_QUERY_COUNTIF_H
#define NETDATA_API_QUERY_COUNTIF_H
#include "../query.h"
#include "../rrdr.h"
enum tg_countif_cmp {
TG_COUNTIF_EQUAL,
TG_COUNTIF_NOTEQUAL,
TG_COUNTIF_LESS,
TG_COUNTIF_LESSEQUAL,
TG_COUNTIF_GREATER,
TG_COUNTIF_GREATEREQUAL,
};
struct tg_countif {
enum tg_countif_cmp comparison;
NETDATA_DOUBLE target;
size_t count;
size_t matched;
};
static inline void tg_countif_create(RRDR *r, const char *options __maybe_unused) {
struct tg_countif *g = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_countif));
r->time_grouping.data = g;
if(options && *options) {
// skip any leading spaces
while(isspace(*options)) options++;
// find the comparison function
switch(*options) {
case '!':
options++;
if(*options != '=' && *options != ':')
options--;
g->comparison = TG_COUNTIF_NOTEQUAL;
break;
case '>':
options++;
if(*options == '=' || *options == ':') {
g->comparison = TG_COUNTIF_GREATEREQUAL;
}
else {
options--;
g->comparison = TG_COUNTIF_GREATER;
}
break;
case '<':
options++;
if(*options == '>') {
g->comparison = TG_COUNTIF_NOTEQUAL;
}
else if(*options == '=' || *options == ':') {
g->comparison = TG_COUNTIF_LESSEQUAL;
}
else {
options--;
g->comparison = TG_COUNTIF_LESS;
}
break;
default:
case '=':
case ':':
g->comparison = TG_COUNTIF_EQUAL;
break;
}
if(*options) options++;
// skip everything up to the first digit
while(isspace(*options)) options++;
g->target = str2ndd(options, NULL);
}
else {
g->target = 0.0;
g->comparison = TG_COUNTIF_EQUAL;
}
}
// resets when switches dimensions
// so, clear everything to restart
static inline void tg_countif_reset(RRDR *r) {
struct tg_countif *g = (struct tg_countif *)r->time_grouping.data;
g->matched = 0;
g->count = 0;
}
static inline void tg_countif_free(RRDR *r) {
onewayalloc_freez(r->internal.owa, r->time_grouping.data);
r->time_grouping.data = NULL;
}
static inline void tg_countif_add(RRDR *r, NETDATA_DOUBLE value) {
struct tg_countif *g = (struct tg_countif *)r->time_grouping.data;
switch(g->comparison) {
case TG_COUNTIF_GREATER:
if(value > g->target) g->matched++;
break;
case TG_COUNTIF_GREATEREQUAL:
if(value >= g->target) g->matched++;
break;
case TG_COUNTIF_LESS:
if(value < g->target) g->matched++;
break;
case TG_COUNTIF_LESSEQUAL:
if(value <= g->target) g->matched++;
break;
case TG_COUNTIF_EQUAL:
if(value == g->target) g->matched++;
break;
case TG_COUNTIF_NOTEQUAL:
if(value != g->target) g->matched++;
break;
}
g->count++;
}
static inline NETDATA_DOUBLE tg_countif_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct tg_countif *g = (struct tg_countif *)r->time_grouping.data;
NETDATA_DOUBLE value;
if(unlikely(!g->count)) {
value = 0.0;
*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
}
else {
value = (NETDATA_DOUBLE)g->matched * 100 / (NETDATA_DOUBLE)g->count;
}
g->matched = 0;
g->count = 0;
return value;
}
#endif //NETDATA_API_QUERY_COUNTIF_H
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