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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2012-2015, 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"
/**
* Issue #1371:
* Run two consumers in the same group for a 2-partition topic,
* alter the topic to have 4 partitions, kill off the first consumer,
* the second consumer will segfault.
*/
#include "rdkafka.h"
static rd_kafka_t *c1, *c2;
static rd_kafka_resp_err_t state1, state2;
static void rebalance_cb(rd_kafka_t *rk,
rd_kafka_resp_err_t err,
rd_kafka_topic_partition_list_t *parts,
void *opaque) {
rd_kafka_resp_err_t *statep = NULL;
if (rk == c1)
statep = &state1;
else if (rk == c2)
statep = &state2;
else
TEST_FAIL("Invalid rk %p", rk);
TEST_SAY("Rebalance for %s: %s:\n", rd_kafka_name(rk),
rd_kafka_err2str(err));
test_print_partition_list(parts);
if (err == RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS)
rd_kafka_assign(rk, parts);
else if (err == RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS)
rd_kafka_assign(rk, NULL);
*statep = err;
}
int main_0069_consumer_add_parts(int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__ + 5, 1);
int64_t ts_start;
int wait_sec;
test_conf_init(NULL, NULL, 60);
TEST_SAY("Creating 2 consumers\n");
c1 = test_create_consumer(topic, rebalance_cb, NULL, NULL);
c2 = test_create_consumer(topic, rebalance_cb, NULL, NULL);
TEST_SAY("Creating topic %s with 2 partitions\n", topic);
test_create_topic(c1, topic, 2, 1);
test_wait_topic_exists(c1, topic, 10 * 1000);
TEST_SAY("Subscribing\n");
test_consumer_subscribe(c1, topic);
test_consumer_subscribe(c2, topic);
TEST_SAY("Waiting for initial assignment for both consumers\n");
while (state1 != RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS ||
state2 != RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS) {
test_consumer_poll_no_msgs("wait-rebalance", c1, 0, 1000);
test_consumer_poll_no_msgs("wait-rebalance", c2, 0, 1000);
}
TEST_SAY("Changing partition count for topic %s\n", topic);
test_create_partitions(NULL, topic, 4);
TEST_SAY(
"Closing consumer 1 (to quickly trigger rebalance with new "
"partitions)\n");
test_consumer_close(c1);
rd_kafka_destroy(c1);
TEST_SAY("Wait 10 seconds for consumer 2 not to crash\n");
wait_sec = test_quick ? 5 : 10;
ts_start = test_clock();
do {
test_consumer_poll_no_msgs("wait-stable", c2, 0, 1000);
} while (test_clock() < ts_start + (wait_sec * 1000000));
TEST_ASSERT(state2 == RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS,
"Expected consumer 2 to have assignment, not in state %s",
rd_kafka_err2str(state2));
test_consumer_close(c2);
rd_kafka_destroy(c2);
return 0;
}
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