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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2016, 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.
*/
#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 */
#include "../src/rdkafka_protocol.h"
/**
* Issue #559: make sure auto.offset.reset works with invalid offsets.
*/
static void do_test_reset(const char *topic,
int partition,
const char *reset,
int64_t initial_offset,
int exp_eofcnt,
int exp_msgcnt,
int exp_errcnt,
int exp_resetcnt) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
int eofcnt = 0, msgcnt = 0, errcnt = 0, resetcnt = 0;
rd_kafka_conf_t *conf;
TEST_SAY(
"Test auto.offset.reset=%s, "
"expect %d msgs, %d EOFs, %d errors, %d resets\n",
reset, exp_msgcnt, exp_eofcnt, exp_errcnt, exp_resetcnt);
test_conf_init(&conf, NULL, 60);
test_conf_set(conf, "enable.partition.eof", "true");
rk = test_create_consumer(NULL, NULL, conf, NULL);
rkt = test_create_topic_object(rk, topic, "auto.offset.reset", reset,
NULL);
test_consumer_start(reset, rkt, partition, initial_offset);
while (1) {
rd_kafka_message_t *rkm;
rkm = rd_kafka_consume(rkt, partition, tmout_multip(1000 * 10));
if (!rkm)
TEST_FAIL(
"%s: no message for 10s: "
"%d/%d messages, %d/%d EOFs, %d/%d errors\n",
reset, msgcnt, exp_msgcnt, eofcnt, exp_eofcnt,
errcnt, exp_errcnt);
if (rkm->err == RD_KAFKA_RESP_ERR__PARTITION_EOF) {
TEST_SAY("%s: received EOF at offset %" PRId64 "\n",
reset, rkm->offset);
eofcnt++;
} else if (rkm->err == RD_KAFKA_RESP_ERR__AUTO_OFFSET_RESET) {
TEST_SAY(
"%s: auto.offset.reset error at offset %" PRId64
": %s: %s\n",
reset, rkm->offset, rd_kafka_err2name(rkm->err),
rd_kafka_message_errstr(rkm));
resetcnt++;
} else if (rkm->err) {
TEST_SAY(
"%s: consume error at offset %" PRId64 ": %s\n",
reset, rkm->offset, rd_kafka_message_errstr(rkm));
errcnt++;
} else {
msgcnt++;
}
rd_kafka_message_destroy(rkm);
if (eofcnt == exp_eofcnt && errcnt == exp_errcnt &&
msgcnt == exp_msgcnt && resetcnt == exp_resetcnt)
break;
else if (eofcnt > exp_eofcnt || errcnt > exp_errcnt ||
msgcnt > exp_msgcnt || resetcnt > exp_resetcnt)
TEST_FAIL(
"%s: unexpected: "
"%d/%d messages, %d/%d EOFs, %d/%d errors, "
"%d/%d resets\n",
reset, msgcnt, exp_msgcnt, eofcnt, exp_eofcnt,
errcnt, exp_errcnt, resetcnt, exp_resetcnt);
}
TEST_SAY(
"%s: Done: "
"%d/%d messages, %d/%d EOFs, %d/%d errors, %d/%d resets\n",
reset, msgcnt, exp_msgcnt, eofcnt, exp_eofcnt, errcnt, exp_errcnt,
resetcnt, exp_resetcnt);
test_consumer_stop(reset, rkt, partition);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
}
int main_0034_offset_reset(int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
const int partition = 0;
const int msgcnt = test_quick ? 20 : 100;
/* Produce messages */
test_produce_msgs_easy(topic, 0, partition, msgcnt);
/* auto.offset.reset=latest: Consume messages from invalid offset:
* Should return EOF. */
do_test_reset(topic, partition, "latest", msgcnt + 5, 1, 0, 0, 0);
/* auto.offset.reset=earliest: Consume messages from invalid offset:
* Should return messages from beginning. */
do_test_reset(topic, partition, "earliest", msgcnt + 5, 1, msgcnt, 0,
0);
/* auto.offset.reset=error: Consume messages from invalid offset:
* Should return error. */
do_test_reset(topic, partition, "error", msgcnt + 5, 0, 0, 0, 1);
return 0;
}
/**
* @brief Verify auto.offset.reset=error behaviour for a range of different
* error cases.
*/
static void offset_reset_errors(void) {
rd_kafka_t *c;
rd_kafka_conf_t *conf;
rd_kafka_mock_cluster_t *mcluster;
const char *bootstraps;
const char *topic = "topic";
const int32_t partition = 0;
const int msgcnt = 10;
const int broker_id = 1;
rd_kafka_queue_t *queue;
int i;
struct {
rd_kafka_resp_err_t inject;
rd_kafka_resp_err_t expect;
/** Note: don't use OFFSET_BEGINNING since it might
* use the cached low wmark, and thus not be subject to
* the injected mock error. Use TAIL(msgcnt) instead.*/
int64_t start_offset;
int64_t expect_offset;
rd_bool_t broker_down; /**< Bring the broker down */
} test[] = {
{
RD_KAFKA_RESP_ERR__TRANSPORT,
RD_KAFKA_RESP_ERR_NO_ERROR,
RD_KAFKA_OFFSET_TAIL(msgcnt),
0,
.broker_down = rd_true,
},
{
RD_KAFKA_RESP_ERR__TRANSPORT,
RD_KAFKA_RESP_ERR_NO_ERROR,
RD_KAFKA_OFFSET_TAIL(msgcnt),
0,
/* only disconnect on the ListOffsets request */
.broker_down = rd_false,
},
{RD_KAFKA_RESP_ERR_TOPIC_AUTHORIZATION_FAILED,
RD_KAFKA_RESP_ERR_TOPIC_AUTHORIZATION_FAILED,
RD_KAFKA_OFFSET_TAIL(msgcnt), -1},
{RD_KAFKA_RESP_ERR_NO_ERROR, RD_KAFKA_RESP_ERR__NO_OFFSET,
RD_KAFKA_OFFSET_STORED, /* There's no committed offset */
-1},
};
SUB_TEST_QUICK();
mcluster = test_mock_cluster_new(1, &bootstraps);
/* Seed partition 0 with some messages so we can differ
* between beginning and end. */
test_produce_msgs_easy_v(topic, 0, partition, 0, msgcnt, 10,
"security.protocol", "plaintext",
"bootstrap.servers", bootstraps, NULL);
test_conf_init(&conf, NULL, 60 * 5);
test_conf_set(conf, "security.protocol", "plaintext");
test_conf_set(conf, "bootstrap.servers", bootstraps);
test_conf_set(conf, "enable.partition.eof", "true");
test_conf_set(conf, "enable.auto.commit", "false");
/* Speed up reconnects */
test_conf_set(conf, "reconnect.backoff.max.ms", "1000");
/* Raise an error (ERR__AUTO_OFFSET_RESET) so we can verify
* if auto.offset.reset is triggered or not. */
test_conf_set(conf, "auto.offset.reset", "error");
rd_kafka_conf_set_events(conf, RD_KAFKA_EVENT_ERROR);
c = test_create_consumer("mygroup", NULL, conf, NULL);
queue = rd_kafka_queue_get_consumer(c);
for (i = 0; i < (int)RD_ARRAYSIZE(test); i++) {
rd_kafka_event_t *ev;
rd_bool_t broker_down = rd_false;
/* Make sure consumer is connected */
test_wait_topic_exists(c, topic, 5000);
TEST_SAY(_C_YEL "#%d: injecting %s, expecting %s\n", i,
rd_kafka_err2name(test[i].inject),
rd_kafka_err2name(test[i].expect));
if (test[i].broker_down) {
TEST_SAY("Bringing down the broker\n");
rd_kafka_mock_broker_set_down(mcluster, broker_id);
broker_down = rd_true;
} else if (test[i].inject) {
rd_kafka_mock_push_request_errors(
mcluster, RD_KAFKAP_ListOffsets, 5, test[i].inject,
test[i].inject, test[i].inject, test[i].inject,
test[i].inject);
/* mock handler will close the connection on this
* request */
if (test[i].inject == RD_KAFKA_RESP_ERR__TRANSPORT)
broker_down = rd_true;
}
test_consumer_assign_partition("ASSIGN", c, topic, partition,
test[i].start_offset);
while (1) {
/* Poll until we see an AUTO_OFFSET_RESET error,
* timeout, or a message, depending on what we're
* looking for. */
ev = rd_kafka_queue_poll(queue, 5000);
if (!ev) {
TEST_ASSERT(broker_down,
"#%d: poll timeout, but broker "
"was not down",
i);
/* Bring the broker back up and continue */
TEST_SAY("Bringing up the broker\n");
if (test[i].broker_down)
rd_kafka_mock_broker_set_up(mcluster,
broker_id);
broker_down = rd_false;
} else if (rd_kafka_event_type(ev) ==
RD_KAFKA_EVENT_ERROR) {
if (rd_kafka_event_error(ev) !=
RD_KAFKA_RESP_ERR__AUTO_OFFSET_RESET) {
TEST_SAY(
"#%d: Ignoring %s event: %s\n", i,
rd_kafka_event_name(ev),
rd_kafka_event_error_string(ev));
rd_kafka_event_destroy(ev);
continue;
}
TEST_SAY(
"#%d: injected %s, got error %s: %s\n", i,
rd_kafka_err2name(test[i].inject),
rd_kafka_err2name(rd_kafka_event_error(ev)),
rd_kafka_event_error_string(ev));
/* The auto reset error code is always
* ERR__AUTO_OFFSET_RESET, and the original
* error is provided in the error string.
* So use err2str() to compare the error
* string to the expected error. */
TEST_ASSERT(
strstr(rd_kafka_event_error_string(ev),
rd_kafka_err2str(test[i].expect)),
"#%d: expected %s, got %s", i,
rd_kafka_err2name(test[i].expect),
rd_kafka_err2name(
rd_kafka_event_error(ev)));
rd_kafka_event_destroy(ev);
break;
} else if (rd_kafka_event_type(ev) ==
RD_KAFKA_EVENT_FETCH) {
const rd_kafka_message_t *rkm =
rd_kafka_event_message_next(ev);
TEST_ASSERT(rkm, "#%d: got null message", i);
TEST_SAY("#%d: message at offset %" PRId64
" (%s)\n",
i, rkm->offset,
rd_kafka_err2name(rkm->err));
TEST_ASSERT(!test[i].expect,
"#%d: got message when expecting "
"error",
i);
TEST_ASSERT(
test[i].expect_offset == rkm->offset,
"#%d: expected message offset "
"%" PRId64 ", got %" PRId64 " (%s)",
i, test[i].expect_offset, rkm->offset,
rd_kafka_err2name(rkm->err));
TEST_SAY(
"#%d: got expected message at "
"offset %" PRId64 " (%s)\n",
i, rkm->offset,
rd_kafka_err2name(rkm->err));
rd_kafka_event_destroy(ev);
break;
} else {
TEST_SAY("#%d: Ignoring %s event: %s\n", i,
rd_kafka_event_name(ev),
rd_kafka_event_error_string(ev));
rd_kafka_event_destroy(ev);
}
}
rd_kafka_mock_clear_request_errors(mcluster,
RD_KAFKAP_ListOffsets);
}
rd_kafka_queue_destroy(queue);
rd_kafka_destroy(c);
test_mock_cluster_destroy(mcluster);
SUB_TEST_PASS();
}
int main_0034_offset_reset_mock(int argc, char **argv) {
offset_reset_errors();
return 0;
}
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