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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;
/**
* Delivery reported callback.
* Called for each message once to signal its delivery status.
*/
static void dr_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;
}
int main_0005_order(int argc, char **argv) {
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 ? 500 : 50000;
int i;
test_timing_t t_produce, t_delivery;
test_conf_init(&conf, &topic_conf, 10);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_cb);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0005", 0), topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n", rd_strerror(errno));
/* Produce messages */
TIMING_START(&t_produce, "PRODUCE");
for (i = 0; i < msgcnt; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s test message #%i", argv[0],
i);
r = rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY, msg,
strlen(msg), NULL, 0, msgidp);
if (r == -1)
TEST_FAIL("Failed to produce message #%i: %s\n", i,
rd_strerror(errno));
}
TIMING_STOP(&t_produce);
TEST_SAY("Produced %i messages, waiting for deliveries\n", msgcnt);
/* Wait for messages to be delivered */
TIMING_START(&t_delivery, "DELIVERY");
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 50);
TIMING_STOP(&t_delivery);
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 0;
}
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