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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* CMetrics
* ========
* Copyright 2021-2022 The CMetrics Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cmetrics/cmetrics.h>
#include <cmetrics/cmt_counter.h>
#include <cmetrics/cmt_gauge.h>
#include <cmetrics/cmt_untyped.h>
#include <cmetrics/cmt_histogram.h>
#include <cmetrics/cmt_summary.h>
#include <cmetrics/cmt_encode_text.h>
#include <cmetrics/cmt_cat.h>
#include "cmt_tests.h"
/* values to observe in a histogram */
double hist_observe_values[10] = {
0.0 , 1.02, 2.04, 3.06,
4.08, 5.10, 6.12, 7.14,
8.16, 9.18
};
/*
* histogram bucket values: the values computed in the buckets,
* all of them are uint64_t.
*
* Note that on all examples we use the default buckets values, created manually
* and through the API:
*
* - 11 bucket values
* - 1 +Inf bucket value
*/
uint64_t hist_buckets_values[12] = {1, 1, 1, 1, 1, 1, 1, 1,
3, 5, 10, 10};
/* histogram _count value */
uint64_t hist_count = 10;
/* histogram _sum value */
double hist_sum = 45.9;
void test_cat()
{
int i;
int ret;
uint64_t val;
uint64_t ts;
cfl_sds_t text;
double sum;
uint64_t count;
double q[6];
double r[6];
struct cmt *cmt1;
struct cmt *cmt2;
struct cmt *cmt3;
struct cmt *cmt4;
struct cmt *cmt5;
struct cmt_counter *c;
struct cmt_gauge *g;
struct cmt_untyped *u;
struct cmt_histogram *h;
struct cmt_histogram_buckets *buckets;
struct cmt_summary *s;
/* cmetrics 1 */
cmt1 = cmt_create();
TEST_CHECK(cmt1 != NULL);
c = cmt_counter_create(cmt1, "cmetrics", "test", "cat_counter", "first counter",
2, (char *[]) {"label1", "label2"});
TEST_CHECK(c != NULL);
g = cmt_gauge_create(cmt1, "cmetrics", "test", "cat_gauge", "first gauge",
2, (char *[]) {"label3", "label4"});
TEST_CHECK(g != NULL);
u = cmt_untyped_create(cmt1, "cmetrics", "test", "cat_untyped", "first untyped",
2, (char *[]) {"label5", "label6"});
TEST_CHECK(u != NULL);
ts = cfl_time_now();
cmt_counter_set(c, ts, 1.1, 2, (char *[]) {"aaa", "bbb"});
ts = cfl_time_now();
cmt_gauge_set(g, ts, 1.2, 2, (char *[]) {"yyy", "xxx"});
ts = cfl_time_now();
cmt_untyped_set(u, ts, 1.3, 2, (char *[]) {"qwe", "asd"});
/* cmetrics 2 */
cmt2 = cmt_create();
TEST_CHECK(cmt2 != NULL);
c = cmt_counter_create(cmt2, "cmetrics", "test", "cat_counter", "second counter",
2, (char *[]) {"label1", "label2"});
TEST_CHECK(c != NULL);
g = cmt_gauge_create(cmt1, "cmetrics", "test", "cat_gauge", "first gauge",
2, (char *[]) {"label3", "label4"});
TEST_CHECK(g != NULL);
ts = cfl_time_now();
cmt_counter_set(c, ts, 2.1, 2, (char *[]) {"ccc", "ddd"});
/* no labels */
cmt_counter_set(c, ts, 5, 0, NULL);
ts = cfl_time_now();
cmt_gauge_add(g, ts, 10, 2, (char *[]) {"tyu", "iop"});
/*
* CAT
* ---
*/
cmt3 = cmt_create();
TEST_CHECK(cmt3 != NULL);
ret = cmt_cat(cmt3, cmt1);
TEST_CHECK(ret == 0);
ret = cmt_cat(cmt3, cmt2);
TEST_CHECK(ret == 0);
/* Create buckets */
buckets = cmt_histogram_buckets_create(11,
0.005, 0.01, 0.025, 0.05,
0.1, 0.25, 0.5, 1.0, 2.5,
5.0, 10.0);
TEST_CHECK(buckets != NULL);
cmt4 = cmt_create();
TEST_CHECK(cmt4 != NULL);
/* Create a histogram metric type */
h = cmt_histogram_create(cmt4,
"k8s", "network", "load", "Network load",
buckets,
1, (char *[]) {"my_label"});
TEST_CHECK(h != NULL);
ts = cfl_time_now();
for (i = 0; i < sizeof(hist_observe_values)/(sizeof(double)); i++) {
val = hist_observe_values[i];
cmt_histogram_observe(h, ts, val, 1, (char *[]) {"my_label"});
}
ret = cmt_cat(cmt4, cmt3);
TEST_CHECK(ret == 0);
cmt5 = cmt_create();
TEST_CHECK(cmt5 != NULL);
ts = cfl_time_now();
/* set quantiles */
q[0] = 0.1;
q[1] = 0.2;
q[2] = 0.3;
q[3] = 0.4;
q[4] = 0.5;
q[5] = 1.0;
r[0] = 1;
r[1] = 2;
r[2] = 3;
r[3] = 4;
r[4] = 5;
r[5] = 6;
/* Create a gauge metric type */
s = cmt_summary_create(cmt5,
"spring", "kafka_listener", "seconds", "Kafka Listener Timer",
6, q,
3, (char *[]) {"exception", "name", "result"});
TEST_CHECK(s != NULL);
/* no quantiles, labels */
sum = 0.0;
count = 1;
cmt_summary_set_default(s, ts, NULL, sum, count,
3, (char *[]) {"ListenerExecutionFailedException",
"org.springframework.kafka.KafkaListenerEndpointContainer#0-0",
"failure"});
/* no quantiles, labels */
sum = 0.1;
count = 2;
cmt_summary_set_default(s, ts, NULL, sum, count,
3, (char *[]) {"none",
"org.springframework.kafka.KafkaListenerEndpointContainer#0-0",
"success"});
/* quantiles, labels */
sum = 0.2;
count = 3;
cmt_summary_set_default(s, ts, r, sum, count,
3, (char *[]) {"extra test",
"org.springframework.kafka.KafkaListenerEndpointContainer#0-0",
"success"});
ret = cmt_cat(cmt5, cmt4);
TEST_CHECK(ret == 0);
/* check output */
text = cmt_encode_text_create(cmt5);
printf("====>\n%s\n", text);
cmt_encode_text_destroy(text);
/* destroy contexts */
cmt_destroy(cmt1);
cmt_destroy(cmt2);
cmt_destroy(cmt3);
cmt_destroy(cmt4);
cmt_destroy(cmt5);
}
TEST_LIST = {
{"cat", test_cat},
{ 0 }
};
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