1 /*
2  * librdkafka - Apache Kafka C library
3  *
4  * Copyright (c) 2012-2015, Magnus Edenhill
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  *    this list of conditions and the following disclaimer in the documentation
14  *    and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "test.h"
30 #include "rdkafka.h"
31 
32 
33 /**
34  * Make sure library behaves when the partition count for a topic changes.
35  * This test requires to be run under trivup to be able to use kafka-topics.sh
36  */
37 
38 
39 
40 /**
41  * - Create topic with 2 partitions
42  * - Start producing messages to UA partition
43  * - Change to 4 partitions
44  * - Produce more messages to UA partition
45  * - Wait for DRs
46  * - Close
47  */
48 
test_producer_partition_cnt_change(void)49 static void test_producer_partition_cnt_change (void) {
50 	rd_kafka_t *rk;
51 	rd_kafka_conf_t *conf;
52 	rd_kafka_topic_t *rkt;
53 	const char *topic = test_mk_topic_name(__FUNCTION__, 1);
54 	const int partition_cnt = 4;
55 	int msgcnt = test_quick ? 500 : 100000;
56 	test_timing_t t_destroy;
57 	int produced = 0;
58 
59 	test_conf_init(&conf, NULL, 20);
60         rd_kafka_conf_set_dr_msg_cb(conf, test_dr_msg_cb);
61 	rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
62 
63         test_create_topic(rk, topic, partition_cnt/2, 1);
64 
65 	rkt = test_create_topic_object(rk, __FUNCTION__,
66 				       "message.timeout.ms",
67                                        tsprintf("%d", tmout_multip(10000)),
68                                        NULL);
69 
70 	test_produce_msgs_nowait(rk, rkt, 0, RD_KAFKA_PARTITION_UA, 0, msgcnt/2,
71 				 NULL, 100, 0, &produced);
72 
73         test_create_partitions(rk, topic, partition_cnt);
74 
75 	test_produce_msgs_nowait(rk, rkt, 0, RD_KAFKA_PARTITION_UA,
76 				 msgcnt/2, msgcnt/2,
77 				 NULL, 100, 0, &produced);
78 
79 	test_wait_delivery(rk, &produced);
80 
81 	rd_kafka_topic_destroy(rkt);
82 
83 	TIMING_START(&t_destroy, "rd_kafka_destroy()");
84 	rd_kafka_destroy(rk);
85 	TIMING_STOP(&t_destroy);
86 }
87 
main_0044_partition_cnt(int argc,char ** argv)88 int main_0044_partition_cnt (int argc, char **argv) {
89 	if (!test_can_create_topics(1))
90 		return 0;
91 
92 	test_producer_partition_cnt_change();
93 
94         return 0;
95 }
96