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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2020, 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.
*/
#include "test.h"
#include "rdkafka.h"
#include "../src/rdkafka_proto.h"
#include "../src/rdunittest.h"
#include <stdarg.h>
/**
* @name Connecting to two different clusters should emit warning.
*
*/
static void
log_cb(const rd_kafka_t *rk, int level, const char *fac, const char *buf) {
rd_atomic32_t *log_cntp = rd_kafka_opaque(rk);
rd_bool_t matched = !strcmp(fac, "CLUSTERID") &&
strstr(buf, "reports different ClusterId");
TEST_SAY("%sLog: %s level %d fac %s: %s\n", matched ? _C_GRN : "",
rd_kafka_name(rk), level, fac, buf);
if (matched)
rd_atomic32_add(log_cntp, 1);
}
int main_0121_clusterid(int argc, char **argv) {
rd_kafka_mock_cluster_t *cluster_a, *cluster_b;
const char *bootstraps_a, *bootstraps_b;
size_t bs_size;
char *bootstraps;
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
rd_atomic32_t log_cnt;
int cnt = 0;
if (test_needs_auth()) {
TEST_SKIP("Mock cluster does not support SSL/SASL\n");
return 0;
}
/* Create two clusters */
cluster_a = test_mock_cluster_new(1, &bootstraps_a);
cluster_b = test_mock_cluster_new(1, &bootstraps_b);
rd_kafka_mock_broker_set_down(cluster_b, 1);
test_conf_init(&conf, NULL, 10);
/* Combine bootstraps from both clusters */
bs_size = strlen(bootstraps_a) + strlen(bootstraps_b) + 2;
bootstraps = malloc(bs_size);
rd_snprintf(bootstraps, bs_size, "%s,%s", bootstraps_a, bootstraps_b);
test_conf_set(conf, "bootstrap.servers", bootstraps);
free(bootstraps);
rd_atomic32_init(&log_cnt, 0);
rd_kafka_conf_set_log_cb(conf, log_cb);
rd_kafka_conf_set_opaque(conf, &log_cnt);
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
while (rd_atomic32_get(&log_cnt) == 0) {
const rd_kafka_metadata_t *md;
/* After 3 seconds bring down cluster a and bring up
* cluster b, this is to force the client to connect to
* the other cluster. */
if (cnt == 3) {
rd_kafka_mock_broker_set_down(cluster_a, 1);
rd_kafka_mock_broker_set_up(cluster_b, 1);
}
if (!rd_kafka_metadata(rk, 1, NULL, &md, 1000))
rd_kafka_metadata_destroy(md);
rd_sleep(1);
cnt++;
}
rd_kafka_destroy(rk);
test_mock_cluster_destroy(cluster_a);
test_mock_cluster_destroy(cluster_b);
return 0;
}
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