static void consume_messages (uint64_t testid, const char *topic,
int32_t partition, int msg_base, int batch_cnt,
int msgcnt) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
int i;
test_conf_init(&conf, &topic_conf, 20);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_CONSUMER, conf);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_kafka_err2str(rd_kafka_last_error()));
TEST_SAY("Consuming %i messages from partition %i\n",
batch_cnt, partition);
/* Consume messages */
if (rd_kafka_consume_start(rkt, partition,
RD_KAFKA_OFFSET_TAIL(batch_cnt)) == -1)
TEST_FAIL("consume_start(%i, -%i) failed: %s",
(int)partition, batch_cnt,
rd_kafka_err2str(rd_kafka_last_error()));
for (i = 0 ; i < batch_cnt ; i++) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consume(rkt, partition, tmout_multip(5000));
if (!rkmessage)
TEST_FAIL("Failed to consume message %i/%i from "
"partition %i: %s",
i, batch_cnt, (int)partition,
rd_kafka_err2str(rd_kafka_last_error()));
if (rkmessage->err)
TEST_FAIL("Consume message %i/%i from partition %i "
"has error: %s",
i, batch_cnt, (int)partition,
rd_kafka_err2str(rkmessage->err));
verify_consumed_msg(testid, partition, msg_base+i, rkmessage);
rd_kafka_message_destroy(rkmessage);
}
rd_kafka_consume_stop(rkt, partition);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
rd_kafka_destroy(rk);
}
static void consume_messages_with_queues (uint64_t testid, const char *topic,
int partition_cnt, int msgcnt) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
rd_kafka_queue_t *rkqu;
int i;
int32_t partition;
int batch_cnt = msgcnt / partition_cnt;
test_conf_init(&conf, &topic_conf, 20);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_CONSUMER, conf);
/* Create queue */
rkqu = rd_kafka_queue_new(rk);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
TEST_SAY("Consuming %i messages from one queue serving %i partitions\n",
msgcnt, partition_cnt);
/* Start consuming each partition */
for (partition = 0 ; partition < partition_cnt ; partition++) {
/* Consume messages */
TEST_SAY("Start consuming partition %i at offset -%i\n",
partition, batch_cnt);
if (rd_kafka_consume_start_queue(rkt, partition,
RD_KAFKA_OFFSET_TAIL(batch_cnt),
rkqu) == -1)
TEST_FAIL("consume_start_queue(%i) failed: %s",
(int)partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
}
/* Consume messages from queue */
for (i = 0 ; i < msgcnt ; ) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consume_queue(rkqu, tmout_multip(5000));
if (!rkmessage)
TEST_FAIL("Failed to consume message %i/%i from "
"queue: %s",
i, msgcnt,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
if (rkmessage->err) {
if (rkmessage->err == RD_KAFKA_RESP_ERR__PARTITION_EOF){
TEST_SAY("Topic %s [%"PRId32"] reached "
"EOF at offset %"PRId64"\n",
rd_kafka_topic_name(rkmessage->rkt),
rkmessage->partition,
rkmessage->offset);
rd_kafka_message_destroy(rkmessage);
continue;
}
TEST_FAIL("Consume message %i/%i from queue "
"has error (offset %"PRId64
", partition %"PRId32"): %s",
i, msgcnt,
rkmessage->offset, rkmessage->partition,
rd_kafka_err2str(rkmessage->err));
}
verify_consumed_msg(testid, -1, -1, rkmessage);
rd_kafka_message_destroy(rkmessage);
i++;
}
/* Stop consuming each partition */
for (partition = 0 ; partition < partition_cnt ; partition++)
rd_kafka_consume_stop(rkt, partition);
/* Destroy queue */
rd_kafka_queue_destroy(rkqu);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
rd_kafka_destroy(rk);
}
static void consume_messages (uint64_t testid, const char *topic,
int32_t partition, int msg_base, int batch_cnt,
int msgcnt) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
int i;
test_conf_init(&conf, &topic_conf, 20);
/* Create kafka instance */
rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf, errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
TEST_SAY("Created kafka instance %s\n", rd_kafka_name(rk));
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
TEST_SAY("Consuming %i messages from partition %i\n",
batch_cnt, partition);
/* Consume messages */
if (rd_kafka_consume_start(rkt, partition,
RD_KAFKA_OFFSET_TAIL(batch_cnt)) == -1)
TEST_FAIL("consume_start(%i, -%i) failed: %s",
(int)partition, batch_cnt,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
for (i = 0 ; i < batch_cnt ; ) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consume(rkt, partition, 5000);
if (!rkmessage)
TEST_FAIL("Failed to consume message %i/%i from "
"partition %i: %s",
i, batch_cnt, (int)partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
if (rkmessage->err) {
if (rkmessage->err == RD_KAFKA_RESP_ERR__PARTITION_EOF){
rd_kafka_message_destroy(rkmessage);
continue;
}
TEST_FAIL("Consume message %i/%i from partition %i "
"has error: %s",
i, batch_cnt, (int)partition,
rd_kafka_err2str(rkmessage->err));
}
verify_consumed_msg(testid, partition, msg_base+i, rkmessage);
rd_kafka_message_destroy(rkmessage);
i++;
}
rd_kafka_consume_stop(rkt, partition);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
rd_kafka_destroy(rk);
}
static void consume_messages_with_queues (uint64_t testid, const char *topic,
int partition_cnt, int msgcnt) {
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
rd_kafka_queue_t *rkqu;
char errstr[512];
char msg[128];
int failcnt;
int i;
rd_kafka_message_t *rkmessages;
int32_t partition;
int cnt = 0;
int batch_cnt = msgcnt / partition_cnt;
test_conf_init(&conf, &topic_conf, 20);
/* Create kafka instance */
rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf, errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
TEST_SAY("Created kafka instance %s\n", rd_kafka_name(rk));
/* Create queue */
rkqu = rd_kafka_queue_new(rk);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
TEST_SAY("Consuming %i messages from one queue serving %i partitions\n",
msgcnt, partition_cnt);
/* Start consuming each partition */
for (partition = 0 ; partition < partition_cnt ; partition++) {
/* Consume messages */
TEST_SAY("Start consuming partition %i at offset -%i\n",
partition, batch_cnt);
if (rd_kafka_consume_start_queue(rkt, partition,
RD_KAFKA_OFFSET_TAIL(batch_cnt),
rkqu) == -1)
TEST_FAIL("consume_start_queue(%i) failed: %s",
(int)partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
}
/* Consume messages from queue */
for (i = 0 ; i < msgcnt ; i++) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consume_queue(rkqu, 5000);
if (!rkmessage)
TEST_FAIL("Failed to consume message %i/%i from "
"queue: %s",
i, msgcnt,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
if (rkmessage->err)
TEST_FAIL("Consume message %i/%i from queue "
"has error (partition %"PRId32"): %s",
i, msgcnt,
rkmessage->partition,
rd_kafka_err2str(rkmessage->err));
verify_consumed_msg(testid, -1, -1, rkmessage);
rd_kafka_message_destroy(rkmessage);
}
/* Stop consuming each partition */
for (partition = 0 ; partition < partition_cnt ; partition++)
rd_kafka_consume_stop(rkt, partition);
/* Destroy queue */
rd_kafka_queue_destroy(rkqu);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
rd_kafka_destroy(rk);
}
