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0137-barrier_batch_consume.c
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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2022, Magnus Edenhill
* 2023, Confluent Inc.
* 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"
/* 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 */
typedef struct consumer_s {
const char *what;
rd_kafka_queue_t *rkq;
int timeout_ms;
int consume_msg_cnt;
int expected_msg_cnt;
rd_kafka_t *rk;
uint64_t testid;
test_msgver_t *mv;
struct test *test;
} consumer_t;
static int consumer_batch_queue(void *arg) {
consumer_t *arguments = arg;
int msg_cnt = 0;
int i;
test_timing_t t_cons;
rd_kafka_queue_t *rkq = arguments->rkq;
int timeout_ms = arguments->timeout_ms;
const int consume_msg_cnt = arguments->consume_msg_cnt;
rd_kafka_t *rk = arguments->rk;
uint64_t testid = arguments->testid;
rd_kafka_message_t **rkmessage =
malloc(consume_msg_cnt * sizeof(*rkmessage));
if (arguments->test)
test_curr = arguments->test;
TEST_SAY(
"%s calling consume_batch_queue(timeout=%d, msgs=%d) "
"and expecting %d messages back\n",
rd_kafka_name(rk), timeout_ms, consume_msg_cnt,
arguments->expected_msg_cnt);
TIMING_START(&t_cons, "CONSUME");
msg_cnt = (int)rd_kafka_consume_batch_queue(rkq, timeout_ms, rkmessage,
consume_msg_cnt);
TIMING_STOP(&t_cons);
TEST_SAY("%s consumed %d/%d/%d message(s)\n", rd_kafka_name(rk),
msg_cnt, arguments->consume_msg_cnt,
arguments->expected_msg_cnt);
TEST_ASSERT(msg_cnt == arguments->expected_msg_cnt,
"consumed %d messages, expected %d", msg_cnt,
arguments->expected_msg_cnt);
for (i = 0; i < msg_cnt; i++) {
if (test_msgver_add_msg(rk, arguments->mv, rkmessage[i]) == 0)
TEST_FAIL(
"The message is not from testid "
"%" PRId64,
testid);
rd_kafka_message_destroy(rkmessage[i]);
}
rd_free(rkmessage);
return 0;
}
static void do_test_consume_batch_with_seek(void) {
rd_kafka_queue_t *rkq;
const char *topic;
rd_kafka_t *consumer;
int p;
uint64_t testid;
rd_kafka_conf_t *conf;
consumer_t consumer_args = RD_ZERO_INIT;
test_msgver_t mv;
thrd_t thread_id;
rd_kafka_error_t *err;
rd_kafka_topic_partition_list_t *seek_toppars;
const int partition_cnt = 2;
const int timeout_ms = 10000;
const int consume_msg_cnt = 10;
const int produce_msg_cnt = 8;
const int32_t seek_partition = 0;
const int64_t seek_offset = 1;
const int expected_msg_cnt = produce_msg_cnt - seek_offset;
SUB_TEST();
test_conf_init(&conf, NULL, 60);
test_conf_set(conf, "enable.auto.commit", "false");
test_conf_set(conf, "auto.offset.reset", "earliest");
testid = test_id_generate();
test_msgver_init(&mv, testid);
/* Produce messages */
topic = test_mk_topic_name("0137-barrier_batch_consume", 1);
test_create_topic_wait_exists(NULL, topic, partition_cnt, 1, 5000);
for (p = 0; p < partition_cnt; p++)
test_produce_msgs_easy(topic, testid, p,
produce_msg_cnt / partition_cnt);
/* Create consumers */
consumer = test_create_consumer(topic, NULL, conf, NULL);
test_consumer_subscribe(consumer, topic);
test_consumer_wait_assignment(consumer, rd_false);
/* Create generic consume queue */
rkq = rd_kafka_queue_get_consumer(consumer);
consumer_args.what = "CONSUMER";
consumer_args.rkq = rkq;
consumer_args.timeout_ms = timeout_ms;
consumer_args.consume_msg_cnt = consume_msg_cnt;
consumer_args.expected_msg_cnt = expected_msg_cnt;
consumer_args.rk = consumer;
consumer_args.testid = testid;
consumer_args.mv = &mv;
consumer_args.test = test_curr;
if (thrd_create(&thread_id, consumer_batch_queue, &consumer_args) !=
thrd_success)
TEST_FAIL("Failed to create thread for %s", "CONSUMER");
seek_toppars = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(seek_toppars, topic, seek_partition);
rd_kafka_topic_partition_list_set_offset(seek_toppars, topic,
seek_partition, seek_offset);
err = rd_kafka_seek_partitions(consumer, seek_toppars, 2000);
TEST_ASSERT(
!err, "Failed to seek partition %d for topic %s to offset %" PRId64,
seek_partition, topic, seek_offset);
thrd_join(thread_id, NULL);
test_msgver_verify("CONSUME", &mv,
TEST_MSGVER_ORDER | TEST_MSGVER_DUP |
TEST_MSGVER_BY_OFFSET,
0, expected_msg_cnt);
test_msgver_clear(&mv);
rd_kafka_topic_partition_list_destroy(seek_toppars);
rd_kafka_queue_destroy(rkq);
test_consumer_close(consumer);
rd_kafka_destroy(consumer);
SUB_TEST_PASS();
}
static void do_test_consume_batch_with_pause_and_resume_different_batch(void) {
rd_kafka_queue_t *rkq;
const char *topic;
rd_kafka_t *consumer;
int p;
uint64_t testid;
rd_kafka_conf_t *conf;
consumer_t consumer_args = RD_ZERO_INIT;
test_msgver_t mv;
thrd_t thread_id;
rd_kafka_resp_err_t err;
rd_kafka_topic_partition_list_t *pause_partition_list;
const int timeout_ms = 2000;
const int consume_msg_cnt = 10;
const int produce_msg_cnt = 8;
const int partition_cnt = 2;
const int expected_msg_cnt = 4;
int32_t pause_partition = 0;
int32_t running_partition = 1;
SUB_TEST();
test_conf_init(&conf, NULL, 60);
test_conf_set(conf, "enable.auto.commit", "false");
test_conf_set(conf, "auto.offset.reset", "earliest");
testid = test_id_generate();
test_msgver_init(&mv, testid);
/* Produce messages */
topic = test_mk_topic_name("0137-barrier_batch_consume", 1);
test_create_topic_wait_exists(NULL, topic, partition_cnt, 1, 5000);
for (p = 0; p < partition_cnt; p++)
test_produce_msgs_easy(topic, testid, p,
produce_msg_cnt / partition_cnt);
/* Create consumers */
consumer = test_create_consumer(topic, NULL, conf, NULL);
test_consumer_subscribe(consumer, topic);
test_consumer_wait_assignment(consumer, rd_false);
/* Create generic consume queue */
rkq = rd_kafka_queue_get_consumer(consumer);
consumer_args.what = "CONSUMER";
consumer_args.rkq = rkq;
consumer_args.timeout_ms = timeout_ms;
consumer_args.consume_msg_cnt = consume_msg_cnt;
consumer_args.expected_msg_cnt = expected_msg_cnt;
consumer_args.rk = consumer;
consumer_args.testid = testid;
consumer_args.mv = &mv;
consumer_args.test = test_curr;
if (thrd_create(&thread_id, consumer_batch_queue, &consumer_args) !=
thrd_success)
TEST_FAIL("Failed to create thread for %s", "CONSUMER");
pause_partition_list = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(pause_partition_list, topic,
pause_partition);
rd_sleep(1);
err = rd_kafka_pause_partitions(consumer, pause_partition_list);
TEST_ASSERT(!err, "Failed to pause partition %d for topic %s",
pause_partition, topic);
thrd_join(thread_id, NULL);
test_msgver_verify_part("CONSUME", &mv,
TEST_MSGVER_ORDER | TEST_MSGVER_DUP |
TEST_MSGVER_BY_OFFSET,
topic, running_partition, 0, expected_msg_cnt);
test_msgver_clear(&mv);
test_msgver_init(&mv, testid);
consumer_args.mv = &mv;
err = rd_kafka_resume_partitions(consumer, pause_partition_list);
TEST_ASSERT(!err, "Failed to resume partition %d for topic %s",
pause_partition, topic);
consumer_batch_queue(&consumer_args);
test_msgver_verify_part("CONSUME", &mv,
TEST_MSGVER_ORDER | TEST_MSGVER_DUP |
TEST_MSGVER_BY_OFFSET,
topic, pause_partition, 0, expected_msg_cnt);
rd_kafka_topic_partition_list_destroy(pause_partition_list);
test_msgver_clear(&mv);
rd_kafka_queue_destroy(rkq);
test_consumer_close(consumer);
rd_kafka_destroy(consumer);
SUB_TEST_PASS();
}
static void do_test_consume_batch_with_pause_and_resume_same_batch(void) {
rd_kafka_queue_t *rkq;
const char *topic;
rd_kafka_t *consumer;
int p;
uint64_t testid;
rd_kafka_conf_t *conf;
consumer_t consumer_args = RD_ZERO_INIT;
test_msgver_t mv;
thrd_t thread_id;
rd_kafka_resp_err_t err;
rd_kafka_topic_partition_list_t *pause_partition_list;
const int timeout_ms = 10000;
const int consume_msg_cnt = 10;
const int produce_msg_cnt = 8;
const int partition_cnt = 2;
int32_t pause_partition = 0;
SUB_TEST();
test_conf_init(&conf, NULL, 60);
test_conf_set(conf, "enable.auto.commit", "false");
test_conf_set(conf, "auto.offset.reset", "earliest");
testid = test_id_generate();
test_msgver_init(&mv, testid);
/* Produce messages */
topic = test_mk_topic_name("0137-barrier_batch_consume", 1);
test_create_topic_wait_exists(NULL, topic, partition_cnt, 1, 5000);
for (p = 0; p < partition_cnt; p++)
test_produce_msgs_easy(topic, testid, p,
produce_msg_cnt / partition_cnt);
/* Create consumers */
consumer = test_create_consumer(topic, NULL, conf, NULL);
test_consumer_subscribe(consumer, topic);
test_consumer_wait_assignment(consumer, rd_false);
/* Create generic consume queue */
rkq = rd_kafka_queue_get_consumer(consumer);
consumer_args.what = "CONSUMER";
consumer_args.rkq = rkq;
consumer_args.timeout_ms = timeout_ms;
consumer_args.consume_msg_cnt = consume_msg_cnt;
consumer_args.expected_msg_cnt = produce_msg_cnt;
consumer_args.rk = consumer;
consumer_args.testid = testid;
consumer_args.mv = &mv;
consumer_args.test = test_curr;
if (thrd_create(&thread_id, consumer_batch_queue, &consumer_args) !=
thrd_success)
TEST_FAIL("Failed to create thread for %s", "CONSUMER");
pause_partition_list = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(pause_partition_list, topic,
pause_partition);
rd_sleep(1);
err = rd_kafka_pause_partitions(consumer, pause_partition_list);
TEST_ASSERT(!err, "Failed to pause partition %d for topic %s",
pause_partition, topic);
rd_sleep(1);
err = rd_kafka_resume_partitions(consumer, pause_partition_list);
TEST_ASSERT(!err, "Failed to resume partition %d for topic %s",
pause_partition, topic);
thrd_join(thread_id, NULL);
test_msgver_verify("CONSUME", &mv,
TEST_MSGVER_ORDER | TEST_MSGVER_DUP |
TEST_MSGVER_BY_OFFSET,
0, produce_msg_cnt);
rd_kafka_topic_partition_list_destroy(pause_partition_list);
test_msgver_clear(&mv);
rd_kafka_queue_destroy(rkq);
test_consumer_close(consumer);
rd_kafka_destroy(consumer);
SUB_TEST_PASS();
}
static void do_test_consume_batch_store_offset(void) {
rd_kafka_queue_t *rkq;
const char *topic;
rd_kafka_t *consumer;
int p;
int i;
uint64_t testid;
rd_kafka_conf_t *conf;
consumer_t consumer_args = RD_ZERO_INIT;
test_msgver_t mv;
const int partition_cnt = 1;
const int timeout_ms = 10000;
const int consume_msg_cnt = 4;
const int no_of_consume = 2;
const int produce_msg_cnt = 8;
const int expected_msg_cnt = produce_msg_cnt;
SUB_TEST();
test_conf_init(&conf, NULL, 60);
test_conf_set(conf, "enable.auto.commit", "false");
test_conf_set(conf, "enable.auto.offset.store", "true");
test_conf_set(conf, "auto.offset.reset", "earliest");
testid = test_id_generate();
test_msgver_init(&mv, testid);
/* Produce messages */
topic = test_mk_topic_name("0137-barrier_batch_consume", 1);
test_create_topic_wait_exists(NULL, topic, partition_cnt, 1, 5000);
for (p = 0; p < partition_cnt; p++)
test_produce_msgs_easy(topic, testid, p,
produce_msg_cnt / partition_cnt);
for (i = 0; i < no_of_consume; i++) {
/* Create consumers */
consumer = test_create_consumer(topic, NULL,
rd_kafka_conf_dup(conf), NULL);
test_consumer_subscribe(consumer, topic);
test_consumer_wait_assignment(consumer, rd_false);
/* Create generic consume queue */
rkq = rd_kafka_queue_get_consumer(consumer);
consumer_args.what = "CONSUMER";
consumer_args.rkq = rkq;
consumer_args.timeout_ms = timeout_ms;
consumer_args.consume_msg_cnt = consume_msg_cnt;
consumer_args.expected_msg_cnt =
produce_msg_cnt / no_of_consume;
consumer_args.rk = consumer;
consumer_args.testid = testid;
consumer_args.mv = &mv;
consumer_args.test = test_curr;
consumer_batch_queue(&consumer_args);
rd_kafka_commit(consumer, NULL, rd_false);
rd_kafka_queue_destroy(rkq);
test_consumer_close(consumer);
rd_kafka_destroy(consumer);
}
test_msgver_verify("CONSUME", &mv,
TEST_MSGVER_ORDER | TEST_MSGVER_DUP |
TEST_MSGVER_BY_OFFSET,
0, expected_msg_cnt);
test_msgver_clear(&mv);
rd_kafka_conf_destroy(conf);
SUB_TEST_PASS();
}
static void do_test_consume_batch_control_msgs(void) {
const char *topic = test_mk_topic_name("0137-barrier_batch_consume", 1);
const int32_t partition = 0;
rd_kafka_conf_t *conf, *c_conf;
rd_kafka_t *producer, *consumer;
uint64_t testid;
const int msgcnt[2] = {2, 3};
test_msgver_t mv;
rd_kafka_queue_t *rkq;
consumer_t consumer_args = RD_ZERO_INIT;
const int partition_cnt = 1;
const int timeout_ms = 5000;
const int consume_msg_cnt = 10;
const int expected_msg_cnt = 2;
int32_t pause_partition = 0;
int64_t expected_offset = msgcnt[0] + msgcnt[1] + 2;
rd_kafka_topic_partition_list_t *pause_partition_list;
rd_kafka_resp_err_t err;
thrd_t thread_id;
SUB_TEST("Testing control msgs flow");
testid = test_id_generate();
test_conf_init(&conf, NULL, 30);
test_conf_set(conf, "transactional.id", topic);
test_conf_set(conf, "batch.num.messages", "1");
rd_kafka_conf_set_dr_msg_cb(conf, test_dr_msg_cb);
producer = test_create_handle(RD_KAFKA_PRODUCER, conf);
test_create_topic_wait_exists(producer, topic, partition_cnt, 1, 5000);
TEST_CALL_ERROR__(rd_kafka_init_transactions(producer, 30 * 1000));
/*
* Transaction 1
*/
TEST_SAY("Transaction 1: %d msgs\n", msgcnt[0]);
TEST_CALL_ERROR__(rd_kafka_begin_transaction(producer));
test_produce_msgs2(producer, topic, testid, partition, 0, msgcnt[0],
NULL, 0);
TEST_CALL_ERROR__(rd_kafka_commit_transaction(producer, -1));
/*
* Transaction 2
*/
TEST_SAY("Transaction 2: %d msgs\n", msgcnt[1]);
TEST_CALL_ERROR__(rd_kafka_begin_transaction(producer));
test_produce_msgs2(producer, topic, testid, partition, 0, msgcnt[1],
NULL, 0);
TEST_CALL_ERROR__(rd_kafka_abort_transaction(producer, -1));
rd_kafka_destroy(producer);
rd_sleep(2);
/*
* Consumer
*/
test_conf_init(&c_conf, NULL, 0);
test_conf_set(c_conf, "enable.auto.commit", "false");
test_conf_set(c_conf, "enable.auto.offset.store", "true");
test_conf_set(c_conf, "auto.offset.reset", "earliest");
consumer = test_create_consumer(topic, NULL, c_conf, NULL);
test_consumer_subscribe(consumer, topic);
test_consumer_wait_assignment(consumer, rd_false);
/* Create generic consume queue */
rkq = rd_kafka_queue_get_consumer(consumer);
test_msgver_init(&mv, testid);
test_msgver_ignore_eof(&mv);
consumer_args.what = "CONSUMER";
consumer_args.rkq = rkq;
consumer_args.timeout_ms = timeout_ms;
consumer_args.consume_msg_cnt = consume_msg_cnt;
consumer_args.expected_msg_cnt = expected_msg_cnt;
consumer_args.rk = consumer;
consumer_args.testid = testid;
consumer_args.mv = &mv;
consumer_args.test = test_curr;
if (thrd_create(&thread_id, consumer_batch_queue, &consumer_args) !=
thrd_success)
TEST_FAIL("Failed to create thread for %s", "CONSUMER");
pause_partition_list = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(pause_partition_list, topic,
pause_partition);
rd_sleep(1);
err = rd_kafka_pause_partitions(consumer, pause_partition_list);
TEST_ASSERT(!err, "Failed to pause partition %d for topic %s",
pause_partition, topic);
rd_sleep(1);
err = rd_kafka_resume_partitions(consumer, pause_partition_list);
TEST_ASSERT(!err, "Failed to resume partition %d for topic %s",
pause_partition, topic);
thrd_join(thread_id, NULL);
rd_kafka_commit(consumer, NULL, rd_false);
rd_kafka_committed(consumer, pause_partition_list, timeout_ms);
TEST_ASSERT(pause_partition_list->elems[0].offset == expected_offset,
"Expected offset should be %" PRId64 ", but it is %" PRId64,
expected_offset, pause_partition_list->elems[0].offset);
rd_kafka_topic_partition_list_destroy(pause_partition_list);
rd_kafka_queue_destroy(rkq);
test_msgver_clear(&mv);
test_consumer_close(consumer);
rd_kafka_destroy(consumer);
SUB_TEST_PASS();
}
int main_0137_barrier_batch_consume(int argc, char **argv) {
do_test_consume_batch_with_seek();
do_test_consume_batch_store_offset();
do_test_consume_batch_with_pause_and_resume_different_batch();
do_test_consume_batch_with_pause_and_resume_same_batch();
do_test_consume_batch_control_msgs();
return 0;
}