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0011-produce_batch.c
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0011-produce_batch.c
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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2012-2013, 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.
*/
/**
* Tests messages are produced in order.
*/
#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 */
static int msgid_next = 0;
static int fails = 0;
static int msgcounter = 0;
static int *dr_partition_count = NULL;
static const int topic_num_partitions = 4;
static int msg_partition_wo_flag = 2;
static int msg_partition_wo_flag_success = 0;
/**
* Delivery reported callback.
* Called for each message once to signal its delivery status.
*/
static void dr_single_partition_cb (rd_kafka_t *rk, void *payload, size_t len,
rd_kafka_resp_err_t err, void *opaque, void *msg_opaque) {
int msgid = *(int *)msg_opaque;
free(msg_opaque);
if (err != RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("Message delivery failed: %s\n",
rd_kafka_err2str(err));
if (msgid != msgid_next) {
fails++;
TEST_FAIL("Delivered msg %i, expected %i\n",
msgid, msgid_next);
return;
}
msgid_next = msgid+1;
msgcounter--;
}
/* Produce a batch of messages to a single partition. */
static void test_single_partition (void) {
int partition = 0;
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
int msgcnt = test_quick ? 100 : 100000;
int failcnt = 0;
int i;
rd_kafka_message_t *rkmessages;
msgid_next = 0;
test_conf_init(&conf, &topic_conf, 20);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_single_partition_cb);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
TEST_SAY("test_single_partition: Created kafka instance %s\n",
rd_kafka_name(rk));
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0011", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Create messages */
rkmessages = calloc(sizeof(*rkmessages), msgcnt);
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s:%s test message #%i",
__FILE__, __FUNCTION__, i);
rkmessages[i].payload = rd_strdup(msg);
rkmessages[i].len = strlen(msg);
rkmessages[i]._private = msgidp;
rkmessages[i].partition = 2; /* Will be ignored since
* RD_KAFKA_MSG_F_PARTITION
* is not supplied. */
}
r = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_FREE,
rkmessages, msgcnt);
/* Scan through messages to check for errors. */
for (i = 0 ; i < msgcnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].err));
}
}
/* All messages should've been produced. */
if (r < msgcnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, msgcnt);
if (msgcnt - r != failcnt)
TEST_SAY("Discrepency between failed messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, msgcnt - r, msgcnt, r);
TEST_FAIL("%i/%i messages failed\n", msgcnt - r, msgcnt);
}
free(rkmessages);
TEST_SAY("Single partition: "
"Produced %i messages, waiting for deliveries\n", r);
msgcounter = msgcnt;
/* Wait for messages to be delivered */
test_wait_delivery(rk, &msgcounter);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (msgid_next != msgcnt)
TEST_FAIL("Still waiting for messages: next %i != end %i\n",
msgid_next, msgcnt);
/* 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);
return;
}
/**
* Delivery reported callback.
* Called for each message once to signal its delivery status.
*/
static void dr_partitioner_cb (rd_kafka_t *rk, void *payload, size_t len,
rd_kafka_resp_err_t err, void *opaque, void *msg_opaque) {
int msgid = *(int *)msg_opaque;
free(msg_opaque);
if (err != RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("Message delivery failed: %s\n",
rd_kafka_err2str(err));
if (msgcounter <= 0)
TEST_FAIL("Too many message dr_cb callback calls "
"(at msgid #%i)\n", msgid);
msgcounter--;
}
/* Produce a batch of messages using random (default) partitioner */
static void test_partitioner (void) {
int partition = RD_KAFKA_PARTITION_UA;
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
int msgcnt = test_quick ? 100 : 100000;
int failcnt = 0;
int i;
rd_kafka_message_t *rkmessages;
test_conf_init(&conf, &topic_conf, 30);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_partitioner_cb);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
TEST_SAY("test_partitioner: Created kafka instance %s\n",
rd_kafka_name(rk));
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0011", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Create messages */
rkmessages = calloc(sizeof(*rkmessages), msgcnt);
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s:%s test message #%i",
__FILE__, __FUNCTION__, i);
rkmessages[i].payload = rd_strdup(msg);
rkmessages[i].len = strlen(msg);
rkmessages[i]._private = msgidp;
}
r = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_FREE,
rkmessages, msgcnt);
/* Scan through messages to check for errors. */
for (i = 0 ; i < msgcnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].err));
}
}
/* All messages should've been produced. */
if (r < msgcnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, msgcnt);
if (msgcnt - r != failcnt)
TEST_SAY("Discrepency between failed messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, msgcnt - r, msgcnt, r);
TEST_FAIL("%i/%i messages failed\n", msgcnt - r, msgcnt);
}
free(rkmessages);
TEST_SAY("Partitioner: "
"Produced %i messages, waiting for deliveries\n", r);
msgcounter = msgcnt;
/* Wait for messages to be delivered */
test_wait_delivery(rk, &msgcounter);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (msgcounter != 0)
TEST_FAIL("Still waiting for %i/%i messages\n",
msgcounter, msgcnt);
/* 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);
return;
}
static void
dr_per_message_partition_cb (rd_kafka_t *rk,
const rd_kafka_message_t *rkmessage,
void *opaque) {
free(rkmessage->_private);
if (rkmessage->err != RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("Message delivery failed: %s\n",
rd_kafka_err2str(rkmessage->err));
if (msgcounter <= 0)
TEST_FAIL("Too many message dr_cb callback calls "
"(at msg offset #%"PRId64")\n", rkmessage->offset);
TEST_ASSERT(rkmessage->partition < topic_num_partitions);
msgcounter--;
dr_partition_count[rkmessage->partition]++;
}
/* Produce a batch of messages using with per message partition flag */
static void test_per_message_partition_flag (void) {
int partition = 0;
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
int msgcnt = test_quick ? 100 : 1000;
int failcnt = 0;
int i;
int *rkpartition_counts;
rd_kafka_message_t *rkmessages;
const char *topic_name;
test_conf_init(&conf, &topic_conf, 30);
/* Set delivery report callback */
rd_kafka_conf_set_dr_msg_cb(conf, dr_per_message_partition_cb);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
TEST_SAY("test_per_message_partition_flag: Created kafka instance %s\n",
rd_kafka_name(rk));
topic_name = test_mk_topic_name("0011_per_message_flag", 1);
test_create_topic(rk, topic_name, topic_num_partitions, 1);
rkt = rd_kafka_topic_new(rk, topic_name,
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Create messages */
rkpartition_counts = calloc(sizeof(int), topic_num_partitions);
dr_partition_count = calloc(sizeof(int), topic_num_partitions);
rkmessages = calloc(sizeof(*rkmessages), msgcnt);
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s:%s test message #%i",
__FILE__, __FUNCTION__, i);
rkmessages[i].payload = rd_strdup(msg);
rkmessages[i].len = strlen(msg);
rkmessages[i]._private = msgidp;
rkmessages[i].partition = jitter(0, topic_num_partitions - 1);
rkpartition_counts[rkmessages[i].partition]++;
}
r = rd_kafka_produce_batch(rkt, partition,
RD_KAFKA_MSG_F_PARTITION|RD_KAFKA_MSG_F_FREE,
rkmessages, msgcnt);
/* Scan through messages to check for errors. */
for (i = 0 ; i < msgcnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].err));
}
}
/* All messages should've been produced. */
if (r < msgcnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, msgcnt);
if (msgcnt - r != failcnt)
TEST_SAY("Discrepency between failed messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, msgcnt - r, msgcnt, r);
TEST_FAIL("%i/%i messages failed\n", msgcnt - r, msgcnt);
}
free(rkmessages);
TEST_SAY("Per-message partition: "
"Produced %i messages, waiting for deliveries\n", r);
msgcounter = msgcnt;
/* Wait for messages to be delivered */
test_wait_delivery(rk, &msgcounter);
if (msgcounter != 0)
TEST_FAIL("Still waiting for %i/%i messages\n",
msgcounter, msgcnt);
for (i = 0; i < topic_num_partitions; i++) {
if (dr_partition_count[i] != rkpartition_counts[i]) {
TEST_FAIL("messages were not sent to designated "
"partitions expected messages %i in "
"partition %i, but only "
"%i messages were sent",
rkpartition_counts[i],
i, dr_partition_count[i]);
}
}
free(rkpartition_counts);
free(dr_partition_count);
/* 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);
return;
}
static void
dr_partitioner_wo_per_message_flag_cb (rd_kafka_t *rk,
const rd_kafka_message_t *rkmessage,
void *opaque) {
free(rkmessage->_private);
if (rkmessage->err != RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("Message delivery failed: %s\n",
rd_kafka_err2str(rkmessage->err));
if (msgcounter <= 0)
TEST_FAIL("Too many message dr_cb callback calls "
"(at msg offset #%"PRId64")\n", rkmessage->offset);
if (rkmessage->partition != msg_partition_wo_flag)
msg_partition_wo_flag_success = 1;
msgcounter--;
}
/**
* @brief Produce a batch of messages using partitioner
* without per message partition flag
*/
static void test_message_partitioner_wo_per_message_flag (void) {
int partition = RD_KAFKA_PARTITION_UA;
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
int msgcnt = test_quick ? 100 : 1000;
int failcnt = 0;
int i;
rd_kafka_message_t *rkmessages;
test_conf_init(&conf, &topic_conf, 30);
/* Set delivery report callback */
rd_kafka_conf_set_dr_msg_cb(conf,
dr_partitioner_wo_per_message_flag_cb);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
TEST_SAY("test_partitioner: Created kafka instance %s\n",
rd_kafka_name(rk));
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0011", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Create messages */
rkmessages = calloc(sizeof(*rkmessages), msgcnt);
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s:%s test message #%i",
__FILE__, __FUNCTION__, i);
rkmessages[i].payload = rd_strdup(msg);
rkmessages[i].len = strlen(msg);
rkmessages[i]._private = msgidp;
rkmessages[i].partition = msg_partition_wo_flag;
}
r = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_FREE,
rkmessages, msgcnt);
/* Scan through messages to check for errors. */
for (i = 0 ; i < msgcnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].err));
}
}
/* All messages should've been produced. */
if (r < msgcnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, msgcnt);
if (msgcnt - r != failcnt)
TEST_SAY("Discrepency between failed messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, msgcnt - r, msgcnt, r);
TEST_FAIL("%i/%i messages failed\n", msgcnt - r, msgcnt);
}
free(rkmessages);
TEST_SAY("Partitioner: "
"Produced %i messages, waiting for deliveries\n", r);
msgcounter = msgcnt;
/* Wait for messages to be delivered */
test_wait_delivery(rk, &msgcounter);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (msgcounter != 0)
TEST_FAIL("Still waiting for %i/%i messages\n",
msgcounter, msgcnt);
if (msg_partition_wo_flag_success == 0) {
TEST_FAIL("partitioner was not used, all messages were sent to"
"message specified partition %i", i);
}
/* 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);
return;
}
int main_0011_produce_batch (int argc, char **argv) {
test_message_partitioner_wo_per_message_flag();
test_single_partition();
test_partitioner();
if (test_can_create_topics(1))
test_per_message_partition_flag();
return 0;
}