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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2012-2017, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Tests messages are produced in order.
*/
#include "test.h"
/* Typical include path would be <librdkafka/rdkafka.h>, but this program
* is built from within the librdkafka source tree and thus differs. */
#include "rdkafka.h" /* for Kafka driver */
static int stats_count = 0;
/**
* Handle stats
*/
static void handle_stats(rd_kafka_event_t *rkev) {
const char *stats_json = NULL;
stats_json = rd_kafka_event_stats(rkev);
if (stats_json != NULL) {
TEST_SAY("Stats: %s\n", stats_json);
stats_count++;
} else {
TEST_FAIL("Stats: failed to get stats\n");
}
}
int main_0062_stats_event(int argc, char **argv) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
test_timing_t t_delivery;
rd_kafka_queue_t *eventq;
const int iterations = 5;
int i;
test_conf_init(NULL, NULL, 10);
/* Set up a global config object */
conf = rd_kafka_conf_new();
rd_kafka_conf_set(conf, "statistics.interval.ms", "100", NULL, 0);
rd_kafka_conf_set_events(conf, RD_KAFKA_EVENT_STATS);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
eventq = rd_kafka_queue_get_main(rk);
/* Wait for stats event */
for (i = 0; i < iterations; i++) {
TIMING_START(&t_delivery, "STATS_EVENT");
stats_count = 0;
while (stats_count == 0) {
rd_kafka_event_t *rkev;
rkev = rd_kafka_queue_poll(eventq, 100);
switch (rd_kafka_event_type(rkev)) {
case RD_KAFKA_EVENT_STATS:
TEST_SAY("%s event\n",
rd_kafka_event_name(rkev));
handle_stats(rkev);
break;
case RD_KAFKA_EVENT_NONE:
break;
default:
TEST_SAY("Ignore event: %s\n",
rd_kafka_event_name(rkev));
break;
}
rd_kafka_event_destroy(rkev);
}
TIMING_STOP(&t_delivery);
if (TIMING_DURATION(&t_delivery) < 1000 * 100 * 0.5 ||
TIMING_DURATION(&t_delivery) > 1000 * 100 * 1.5) {
/* CIs and valgrind are too flaky/slow to
* make this failure meaningful. */
if (!test_on_ci && !strcmp(test_mode, "bare")) {
TEST_FAIL(
"Stats duration %.3fms is >= 50%% "
"outside statistics.interval.ms 100",
(float)TIMING_DURATION(&t_delivery) /
1000.0f);
} else {
TEST_WARN(
"Stats duration %.3fms is >= 50%% "
"outside statistics.interval.ms 100\n",
(float)TIMING_DURATION(&t_delivery) /
1000.0f);
}
}
}
rd_kafka_queue_destroy(eventq);
rd_kafka_destroy(rk);
return 0;
}
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