/**
* Trigger an empty cgrp commit (issue #803)
*/
static void do_empty_commit (void) {
rd_kafka_t *rk;
char group_id[64];
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *tconf;
rd_kafka_resp_err_t err, expect;
test_conf_init(&conf, &tconf, 20);
test_conf_set(conf, "enable.auto.commit", "false");
test_topic_conf_set(tconf, "auto.offset.reset", "earliest");
test_str_id_generate(group_id, sizeof(group_id));
TEST_SAY(_C_MAG "[ do_empty_commit group.id %s ]\n", group_id);
rk = test_create_consumer(group_id, NULL, conf, tconf, NULL);
test_consumer_subscribe(rk, topic);
test_consumer_poll("consume", rk, testid, -1, -1, 100, NULL);
TEST_SAY("First commit\n");
expect = RD_KAFKA_RESP_ERR_NO_ERROR;
err = rd_kafka_commit_queue(rk, NULL, NULL,
empty_offset_commit_cb, &expect);
if (err != expect)
TEST_FAIL("commit failed: %s", rd_kafka_err2str(err));
else
TEST_SAY("First commit returned %s\n",
rd_kafka_err2str(err));
TEST_SAY("Second commit, should be empty\n");
expect = RD_KAFKA_RESP_ERR__NO_OFFSET;
err = rd_kafka_commit_queue(rk, NULL, NULL,
empty_offset_commit_cb, &expect);
if (err != RD_KAFKA_RESP_ERR__NO_OFFSET)
TEST_FAIL("unexpected commit result, wanted NO_OFFSET, got: %s",
rd_kafka_err2str(err));
else
TEST_SAY("Second commit returned %s\n",
rd_kafka_err2str(err));
test_consumer_close(rk);
rd_kafka_destroy(rk);
}
static void subscribe_consume_many (char **topics, int topic_cnt,
uint64_t testid) {
rd_kafka_t *rk;
int i;
rd_kafka_topic_conf_t *tconf;
rd_kafka_topic_partition_list_t *parts;
rd_kafka_resp_err_t err;
test_msgver_t mv;
TEST_SAY(_C_MAG "%s\n" _C_CLR, __FUNCTION__);
test_conf_init(NULL, &tconf, 60);
test_topic_conf_set(tconf, "auto.offset.reset", "earliest");
rk = test_create_consumer(__FUNCTION__, NULL, NULL, tconf);
parts = rd_kafka_topic_partition_list_new(topic_cnt);
for (i = 0 ; i < topic_cnt ; i++)
rd_kafka_topic_partition_list_add(parts, topics[i],
RD_KAFKA_PARTITION_UA);
TEST_SAY("Subscribing to %d topics\n", topic_cnt);
err = rd_kafka_subscribe(rk, parts);
if (err)
TEST_FAIL("subscribe() failed: %s\n", rd_kafka_err2str(err));
rd_kafka_topic_partition_list_destroy(parts);
test_msgver_init(&mv, testid);
test_consumer_poll("consume.subscribe", rk, testid,
-1, 0, msgs_per_topic * topic_cnt, &mv);
for (i = 0 ; i < topic_cnt ; i++)
test_msgver_verify_part("subscribe", &mv, TEST_MSGVER_ALL_PART,
topics[i], 0, i * msgs_per_topic,
msgs_per_topic);
test_msgver_clear(&mv);
test_consumer_close(rk);
rd_kafka_destroy(rk);
}
/**
* Create high-level consumer subscribing to \p topic from BEGINNING
* and expects \d exp_msgcnt with matching \p testid
* Destroys consumer when done.
*
* If \p group_id is NULL a new unique group is generated
*/
void
test_consume_msgs_easy (const char *group_id, const char *topic,
uint64_t testid, int exp_msgcnt) {
rd_kafka_t *rk;
rd_kafka_topic_conf_t *tconf;
rd_kafka_resp_err_t err;
rd_kafka_topic_partition_list_t *topics;
char grpid0[64];
test_conf_init(NULL, &tconf, 0);
if (!group_id)
group_id = test_str_id_generate(grpid0, sizeof(grpid0));
test_topic_conf_set(tconf, "auto.offset.reset", "smallest");
rk = test_create_consumer(group_id, NULL, tconf, NULL);
rd_kafka_poll_set_consumer(rk);
topics = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(topics, topic, RD_KAFKA_PARTITION_UA);
TEST_SAY("Subscribing to topic %s in group %s "
"(expecting %d msgs with testid %"PRIu64")\n",
topic, group_id, exp_msgcnt, testid);
err = rd_kafka_subscribe(rk, topics);
if (err)
TEST_FAIL("Failed to subscribe to %s: %s\n",
topic, rd_kafka_err2str(err));
rd_kafka_topic_partition_list_destroy(topics);
/* Consume messages */
test_consumer_poll("consume.easy", rk, testid, -1, -1, exp_msgcnt);
test_consumer_close(rk);
rd_kafka_destroy(rk);
}
/**
* Create topic_t object with va-arg list as key-value config pairs
* terminated by NULL.
*/
rd_kafka_topic_t *test_create_topic (rd_kafka_t *rk,
const char *topic, ...) {
rd_kafka_topic_t *rkt;
rd_kafka_topic_conf_t *topic_conf;
va_list ap;
const char *name, *val;
test_conf_init(NULL, &topic_conf, 0);
va_start(ap, topic);
while ((name = va_arg(ap, const char *)) &&
(val = va_arg(ap, const char *))) {
test_topic_conf_set(topic_conf, name, val);
}
va_end(ap);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_kafka_err2str(rd_kafka_errno2err(errno)));
return rkt;
}
int main_0029_assign_offset (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_topic_conf_t *tconf;
rd_kafka_topic_partition_list_t *parts;
uint64_t testid;
int i;
test_timing_t t_simple, t_hl;
test_msgver_t mv;
test_conf_init(NULL, &tconf, 20 + (test_session_timeout_ms * 3 / 1000));
test_topic_conf_set(tconf, "auto.offset.reset", "smallest");
/* Produce X messages to Y partitions so we get a
* nice seekable 0..X offset one each partition. */
/* Produce messages */
testid = test_id_generate();
rk = test_create_producer();
rkt = test_create_producer_topic(rk, topic, NULL);
parts = rd_kafka_topic_partition_list_new(partitions);
for (i = 0 ; i < partitions ; i++) {
test_produce_msgs(rk, rkt, testid, i, 0, msgcnt, NULL, 0);
rd_kafka_topic_partition_list_add(parts, topic, i)->offset =
msgcnt / 2;
}
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* Simple consumer */
TIMING_START(&t_simple, "SIMPLE.CONSUMER");
rk = test_create_consumer(topic, NULL, NULL, NULL);
test_msgver_init(&mv, testid);
test_consumer_assign("SIMPLE.ASSIGN", rk, parts);
test_consumer_poll("SIMPLE.CONSUME", rk, testid, -1, 0,
partitions * (msgcnt / 2), &mv);
for (i = 0 ; i < partitions ; i++)
test_msgver_verify_part("HL.MSGS", &mv, TEST_MSGVER_ALL_PART,
topic, i, msgcnt/2, msgcnt/2);
test_msgver_clear(&mv);
test_consumer_close(rk);
rd_kafka_destroy(rk);
TIMING_STOP(&t_simple);
rd_kafka_topic_partition_list_destroy(parts);
/* High-level consumer.
* Offsets are set in rebalance callback. */
TIMING_START(&t_hl, "HL.CONSUMER");
test_msgver_init(&mv, testid);
rk = test_create_consumer(topic, rebalance_cb, NULL, NULL);
test_consumer_subscribe(rk, topic);
test_consumer_poll("HL.CONSUME", rk, testid, -1, 0,
partitions * (msgcnt / 2), &mv);
for (i = 0 ; i < partitions ; i++)
test_msgver_verify_part("HL.MSGS", &mv, TEST_MSGVER_ALL_PART,
topic, i, msgcnt/2, msgcnt/2);
test_msgver_clear(&mv);
test_consumer_close(rk);
rd_kafka_destroy(rk);
TIMING_STOP(&t_hl);
rd_kafka_topic_conf_destroy(tconf);
return 0;
}
int main_0040_io_event (int argc, char **argv) {
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *tconf;
rd_kafka_t *rk_p, *rk_c;
const char *topic;
rd_kafka_topic_t *rkt_p;
rd_kafka_queue_t *queue;
uint64_t testid;
int msgcnt = 100;
int recvd = 0;
int fds[2];
int wait_multiplier = 1;
struct pollfd pfd;
int r;
enum {
_NOPE,
_YEP,
_REBALANCE
} expecting_io = _REBALANCE;
testid = test_id_generate();
topic = test_mk_topic_name(__FUNCTION__, 1);
rk_p = test_create_producer();
rkt_p = test_create_producer_topic(rk_p, topic, NULL);
test_auto_create_topic_rkt(rk_p, rkt_p);
test_conf_init(&conf, &tconf, 0);
rd_kafka_conf_set_events(conf, RD_KAFKA_EVENT_REBALANCE);
test_conf_set(conf, "session.timeout.ms", "6000");
test_conf_set(conf, "enable.partition.eof", "false");
/* Speed up propagation of new topics */
test_conf_set(conf, "metadata.max.age.ms", "5000");
test_topic_conf_set(tconf, "auto.offset.reset", "earliest");
rk_c = test_create_consumer(topic, NULL, conf, tconf);
queue = rd_kafka_queue_get_consumer(rk_c);
test_consumer_subscribe(rk_c, topic);
#ifndef _MSC_VER
r = pipe(fds);
#else
r = _pipe(fds, 2, _O_BINARY);
#endif
if (r == -1)
TEST_FAIL("pipe() failed: %s\n", strerror(errno));
rd_kafka_queue_io_event_enable(queue, fds[1], "1", 1);
pfd.fd = fds[0];
pfd.events = POLLIN;
pfd.revents = 0;
/**
* 1) Wait for rebalance event
* 2) Wait 1 interval (1s) expecting no IO (nothing produced).
* 3) Produce half the messages
* 4) Expect IO
* 5) Consume the available messages
* 6) Wait 1 interval expecting no IO.
* 7) Produce remaing half
* 8) Expect IO
* 9) Done.
*/
while (recvd < msgcnt) {
int r;
#ifndef _MSC_VER
r = poll(&pfd, 1, 1000 * wait_multiplier);
#else
r = WSAPoll(&pfd, 1, 1000 * wait_multiplier);
#endif
if (r == -1) {
TEST_FAIL("poll() failed: %s", strerror(errno));
} else if (r == 1) {
rd_kafka_event_t *rkev;
char b;
int eventcnt = 0;
if (pfd.events & POLLERR)
TEST_FAIL("Poll error\n");
if (!(pfd.events & POLLIN)) {
TEST_SAY("Stray event 0x%x\n", (int)pfd.events);
continue;
}
TEST_SAY("POLLIN\n");
/* Read signaling token to purge socket queue and
* eventually silence POLLIN */
#ifndef _MSC_VER
r = read(pfd.fd, &b, 1);
#else
r = _read((int)pfd.fd, &b, 1);
#endif
if (r == -1)
TEST_FAIL("read failed: %s\n", strerror(errno));
if (!expecting_io)
TEST_WARN("Got unexpected IO after %d/%d msgs\n",
recvd, msgcnt);
while ((rkev = rd_kafka_queue_poll(queue, 0))) {
eventcnt++;
switch (rd_kafka_event_type(rkev))
{
case RD_KAFKA_EVENT_REBALANCE:
TEST_SAY("Got %s: %s\n", rd_kafka_event_name(rkev),
rd_kafka_err2str(rd_kafka_event_error(rkev)));
if (expecting_io != _REBALANCE)
TEST_FAIL("Got Rebalance when expecting message\n");
if (rd_kafka_event_error(rkev) == RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS) {
rd_kafka_assign(rk_c, rd_kafka_event_topic_partition_list(rkev));
expecting_io = _NOPE;
} else
rd_kafka_assign(rk_c, NULL);
break;
case RD_KAFKA_EVENT_FETCH:
if (expecting_io != _YEP)
TEST_FAIL("Did not expect more messages at %d/%d\n",
recvd, msgcnt);
recvd++;
if (recvd == (msgcnt / 2) || recvd == msgcnt)
expecting_io = _NOPE;
break;
case RD_KAFKA_EVENT_ERROR:
TEST_FAIL("Error: %s\n", rd_kafka_event_error_string(rkev));
break;
default:
TEST_SAY("Ignoring event %s\n", rd_kafka_event_name(rkev));
}
rd_kafka_event_destroy(rkev);
}
TEST_SAY("%d events, Consumed %d/%d messages\n", eventcnt, recvd, msgcnt);
wait_multiplier = 1;
} else {
if (expecting_io == _REBALANCE) {
continue;
} else if (expecting_io == _YEP) {
TEST_FAIL("Did not see expected IO after %d/%d msgs\n",
recvd, msgcnt);
}
TEST_SAY("IO poll timeout (good)\n");
TEST_SAY("Got idle period, producing\n");
test_produce_msgs(rk_p, rkt_p, testid, 0, recvd, msgcnt/2,
NULL, 10);
expecting_io = _YEP;
/* When running slowly (e.g., valgrind) it might take
* some time before the first message is received
* after producing. */
wait_multiplier = 3;
}
}
TEST_SAY("Done\n");
rd_kafka_topic_destroy(rkt_p);
rd_kafka_destroy(rk_p);
rd_kafka_queue_destroy(queue);
rd_kafka_consumer_close(rk_c);
rd_kafka_destroy(rk_c);
#ifndef _MSC_VER
close(fds[0]);
close(fds[1]);
#else
_close(fds[0]);
_close(fds[1]);
#endif
return 0;
}
static void do_offset_test (const char *what, int auto_commit, int auto_store,
int async) {
test_timing_t t_all;
char groupid[64];
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *tconf;
int cnt = 0;
const int extra_cnt = 5;
rd_kafka_resp_err_t err;
rd_kafka_topic_partition_list_t *parts;
rd_kafka_topic_partition_t *rktpar;
int64_t next_offset = -1;
test_conf_init(&conf, &tconf, 20);
test_conf_set(conf, "enable.auto.commit", auto_commit ? "true":"false");
test_conf_set(conf, "enable.auto.offset.store", auto_store ?"true":"false");
test_conf_set(conf, "auto.commit.interval.ms", "500");
rd_kafka_conf_set_offset_commit_cb(conf, offset_commit_cb);
test_topic_conf_set(tconf, "auto.offset.reset", "smallest");
test_str_id_generate(groupid, sizeof(groupid));
test_conf_set(conf, "group.id", groupid);
rd_kafka_conf_set_default_topic_conf(conf, tconf);
TEST_SAY(_C_MAG "[ do_offset_test: %s with group.id %s ]\n",
what, groupid);
TIMING_START(&t_all, what);
expected_offset = 0;
committed_offset = -1;
/* MO:
* - Create consumer.
* - Start consuming from beginning
* - Perform store & commits according to settings
* - Stop storing&committing when half of the messages are consumed,
* - but consume 5 more to check against.
* - Query position.
* - Destroy consumer.
* - Create new consumer with same group.id using stored offsets
* - Should consume the expected message.
*/
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_CONSUMER, rd_kafka_conf_dup(conf));
rd_kafka_poll_set_consumer(rk);
test_consumer_subscribe(rk, topic);
while (cnt - extra_cnt < msgcnt / 2) {
rd_kafka_message_t *rkm;
rkm = rd_kafka_consumer_poll(rk, 10*1000);
if (!rkm)
continue;
if (rkm->err == RD_KAFKA_RESP_ERR__TIMED_OUT)
TEST_FAIL("%s: Timed out waiting for message %d", what,cnt);
else if (rkm->err == RD_KAFKA_RESP_ERR__PARTITION_EOF) {
rd_kafka_message_destroy(rkm);
continue;
} else if (rkm->err)
TEST_FAIL("%s: Consumer error: %s",
what, rd_kafka_message_errstr(rkm));
/* Offset of next message. */
next_offset = rkm->offset + 1;
if (cnt < msgcnt / 2) {
if (!auto_store) {
err = rd_kafka_offset_store(rkm->rkt,rkm->partition,
rkm->offset);
if (err)
TEST_FAIL("%s: offset_store failed: %s\n",
what, rd_kafka_err2str(err));
}
expected_offset = rkm->offset+1;
if (!auto_commit) {
test_timing_t t_commit;
TIMING_START(&t_commit,
async?"commit.async":"commit.sync");
err = rd_kafka_commit_message(rk, rkm, async);
TIMING_STOP(&t_commit);
if (err)
TEST_FAIL("%s: commit failed: %s\n",
what, rd_kafka_err2str(err));
}
} else if (auto_store && auto_commit)
expected_offset = rkm->offset+1;
rd_kafka_message_destroy(rkm);
cnt++;
}
TEST_SAY("%s: done consuming after %d messages, at offset %"PRId64"\n",
what, cnt, expected_offset);
if ((err = rd_kafka_assignment(rk, &parts)))
TEST_FAIL("%s: failed to get assignment(): %s\n",
what, rd_kafka_err2str(err));
/* Verify position */
if ((err = rd_kafka_position(rk, parts)))
TEST_FAIL("%s: failed to get position(): %s\n",
what, rd_kafka_err2str(err));
if (!(rktpar = rd_kafka_topic_partition_list_find(parts,
topic, partition)))
TEST_FAIL("%s: position(): topic lost\n", what);
if (rktpar->offset != next_offset)
TEST_FAIL("%s: Expected position() offset %"PRId64", got %"PRId64,
what, next_offset, rktpar->offset);
TEST_SAY("%s: Position is at %"PRId64", good!\n",
what, rktpar->offset);
/* Pause messages while waiting so we can serve callbacks
* without having more messages received. */
if ((err = rd_kafka_pause_partitions(rk, parts)))
TEST_FAIL("%s: failed to pause partitions: %s\n",
what, rd_kafka_err2str(err));
rd_kafka_topic_partition_list_destroy(parts);
/* Fire off any enqueued offset_commit_cb */
test_consumer_poll_no_msgs(what, rk, testid, 0);
TEST_SAY("%s: committed_offset %"PRId64", expected_offset %"PRId64"\n",
what, committed_offset, expected_offset);
if (!auto_commit && !async) {
/* Sync commits should be up to date at this point. */
if (committed_offset != expected_offset)
TEST_FAIL("%s: Sync commit: committed offset %"PRId64
" should be same as expected offset "
"%"PRId64,
what, committed_offset, expected_offset);
} else {
/* Wait for offset commits to catch up */
while (committed_offset < expected_offset) {
TEST_SAYL(3, "%s: Wait for committed offset %"PRId64
" to reach expected offset %"PRId64"\n",
what, committed_offset, expected_offset);
test_consumer_poll_no_msgs(what, rk, testid, 1000);
}
}
TEST_SAY("%s: phase 1 complete, %d messages consumed, "
"next expected offset is %"PRId64"\n",
what, cnt, expected_offset);
/* Issue #827: cause committed() to return prematurely by specifying
* low timeout. The bug (use after free) will only
* be catched by valgrind. */
do {
parts = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(parts, topic, partition);
err = rd_kafka_committed(rk, parts, 1);
rd_kafka_topic_partition_list_destroy(parts);
TEST_SAY("Issue #827: committed() returned %s\n",
rd_kafka_err2str(err));
} while (err != RD_KAFKA_RESP_ERR__TIMED_OUT);
/* Query position */
parts = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(parts, topic, partition);
err = rd_kafka_committed(rk, parts, tmout_multip(5*1000));
if (err)
TEST_FAIL("%s: committed() failed: %s", what, rd_kafka_err2str(err));
if (!(rktpar = rd_kafka_topic_partition_list_find(parts,
topic, partition)))
TEST_FAIL("%s: committed(): topic lost\n", what);
if (rktpar->offset != expected_offset)
TEST_FAIL("%s: Expected committed() offset %"PRId64", got %"PRId64,
what, expected_offset, rktpar->offset);
TEST_SAY("%s: Committed offset is at %"PRId64", good!\n",
what, rktpar->offset);
rd_kafka_topic_partition_list_destroy(parts);
test_consumer_close(rk);
rd_kafka_destroy(rk);
/* Fire up a new consumer and continue from where we left off. */
TEST_SAY("%s: phase 2: starting new consumer to resume consumption\n",what);
rk = test_create_handle(RD_KAFKA_CONSUMER, conf);
rd_kafka_poll_set_consumer(rk);
test_consumer_subscribe(rk, topic);
while (cnt < msgcnt) {
rd_kafka_message_t *rkm;
rkm = rd_kafka_consumer_poll(rk, 10*1000);
if (!rkm)
continue;
if (rkm->err == RD_KAFKA_RESP_ERR__TIMED_OUT)
TEST_FAIL("%s: Timed out waiting for message %d", what,cnt);
else if (rkm->err == RD_KAFKA_RESP_ERR__PARTITION_EOF) {
rd_kafka_message_destroy(rkm);
continue;
} else if (rkm->err)
TEST_FAIL("%s: Consumer error: %s",
what, rd_kafka_message_errstr(rkm));
if (rkm->offset != expected_offset)
TEST_FAIL("%s: Received message offset %"PRId64
", expected %"PRId64" at msgcnt %d/%d\n",
what, rkm->offset, expected_offset,
cnt, msgcnt);
rd_kafka_message_destroy(rkm);
expected_offset++;
cnt++;
}
TEST_SAY("%s: phase 2: complete\n", what);
test_consumer_close(rk);
rd_kafka_destroy(rk);
TIMING_STOP(&t_all);
}
int main_0049_consume_conn_close (int argc, char **argv) {
rd_kafka_t *rk;
const char *topic = test_mk_topic_name("0049_consume_conn_close", 1);
uint64_t testid;
int msgcnt = test_on_ci ? 1000 : 10000;
test_msgver_t mv;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *tconf;
rd_kafka_topic_partition_list_t *assignment;
rd_kafka_resp_err_t err;
if (!test_conf_match(NULL, "sasl.mechanisms", "GSSAPI")) {
TEST_SKIP("KNOWN ISSUE: ApiVersionRequest+SaslHandshake "
"will not play well with sudden disconnects\n");
return 0;
}
test_conf_init(&conf, &tconf, 60);
/* Want an even number so it is divisable by two without surprises */
msgcnt = (msgcnt / (int)test_timeout_multiplier) & ~1;
testid = test_id_generate();
test_produce_msgs_easy(topic, testid, RD_KAFKA_PARTITION_UA, msgcnt);
test_socket_enable(conf);
test_curr->connect_cb = connect_cb;
test_curr->is_fatal_cb = is_fatal_cb;
test_topic_conf_set(tconf, "auto.offset.reset", "smallest");
rk = test_create_consumer(topic, NULL, conf, tconf);
test_consumer_subscribe(rk, topic);
test_msgver_init(&mv, testid);
test_consumer_poll("consume.up", rk, testid, -1, 0, msgcnt/2, &mv);
err = rd_kafka_assignment(rk, &assignment);
TEST_ASSERT(!err, "assignment() failed: %s", rd_kafka_err2str(err));
TEST_ASSERT(assignment->cnt > 0, "empty assignment");
TEST_SAY("Bringing down the network\n");
TEST_LOCK();
simulate_network_down = 1;
TEST_UNLOCK();
test_socket_close_all(test_curr, 1/*reinit*/);
TEST_SAY("Waiting for session timeout to expire (6s), and then some\n");
/* Commit an offset, which should fail, to trigger the offset commit
* callback fallback (CONSUMER_ERR) */
assignment->elems[0].offset = 123456789;
TEST_SAY("Committing offsets while down, should fail eventually\n");
err = rd_kafka_commit(rk, assignment, 1/*async*/);
TEST_ASSERT(!err, "async commit failed: %s", rd_kafka_err2str(err));
rd_kafka_topic_partition_list_destroy(assignment);
rd_sleep(10);
TEST_SAY("Bringing network back up\n");
TEST_LOCK();
simulate_network_down = 0;
TEST_UNLOCK();
TEST_SAY("Continuing to consume..\n");
test_consumer_poll("consume.up2", rk, testid, -1, msgcnt/2, msgcnt/2,
&mv);
test_msgver_verify("consume", &mv, TEST_MSGVER_ORDER|TEST_MSGVER_DUP,
0, msgcnt);
test_msgver_clear(&mv);
test_consumer_close(rk);
rd_kafka_destroy(rk);
return 0;
}
int main_0056_balanced_group_mt (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
rd_kafka_t *rk_p, *rk_c;
rd_kafka_topic_t *rkt_p;
int msg_cnt = 1000;
int msg_base = 0;
int partition_cnt = 2;
int partition;
uint64_t testid;
rd_kafka_topic_conf_t *default_topic_conf;
rd_kafka_topic_partition_list_t *sub, *topics;
rd_kafka_resp_err_t err;
test_timing_t t_assign, t_close, t_consume;
int i;
exp_msg_cnt = msg_cnt * partition_cnt;
testid = test_id_generate();
/* Produce messages */
rk_p = test_create_producer();
rkt_p = test_create_producer_topic(rk_p, topic, NULL);
for (partition = 0; partition < partition_cnt; partition++) {
test_produce_msgs(rk_p, rkt_p, testid, partition,
msg_base + (partition * msg_cnt), msg_cnt,
NULL, 0);
}
rd_kafka_topic_destroy(rkt_p);
rd_kafka_destroy(rk_p);
if (mtx_init(&lock, mtx_plain) != thrd_success)
TEST_FAIL("Cannot create mutex.");
test_conf_init(NULL, &default_topic_conf,
(test_session_timeout_ms * 3) / 1000);
test_topic_conf_set(default_topic_conf, "auto.offset.reset",
"smallest");
/* Fill in topic subscription set */
topics = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(topics, topic, RD_KAFKA_PARTITION_UA);
/* Create consumers and start subscription */
rk_c = test_create_consumer(
topic /*group_id*/, rebalance_cb, NULL,
default_topic_conf);
test_consumer_subscribe(rk_c, topic);
rd_kafka_topic_partition_list_destroy(topics);
/* Wait for both consumers to get an assignment */
TIMING_START(&t_assign, "WAIT.ASSIGN");
get_assignment(rk_c);
TIMING_STOP(&t_assign);
TIMING_START(&t_consume, "CONSUME.WAIT");
for (i = 0; i < MAX_THRD_CNT; ++i) {
if (tids[i] != 0)
thrd_join(tids[i], NULL);
}
TIMING_STOP(&t_consume);
TEST_SAY("Closing remaining consumers\n");
/* Query subscription */
err = rd_kafka_subscription(rk_c, &sub);
TEST_ASSERT(!err, "%s: subscription () failed: %s", rd_kafka_name(rk_c),
rd_kafka_err2str(err));
TEST_SAY("%s: subscription (%d):\n", rd_kafka_name(rk_c), sub->cnt);
for (i = 0; i < sub->cnt; ++i)
TEST_SAY(" %s\n", sub->elems[i].topic);
rd_kafka_topic_partition_list_destroy(sub);
/* Run an explicit unsubscribe () (async) prior to close ()
* to trigger race condition issues on termination. */
TEST_SAY("Unsubscribing instance %s\n", rd_kafka_name(rk_c));
err = rd_kafka_unsubscribe(rk_c);
TEST_ASSERT(!err, "%s: unsubscribe failed: %s", rd_kafka_name(rk_c),
rd_kafka_err2str(err));
TEST_SAY("Closing %s\n", rd_kafka_name(rk_c));
TIMING_START(&t_close, "CONSUMER.CLOSE");
err = rd_kafka_consumer_close(rk_c);
TIMING_STOP(&t_close);
TEST_ASSERT(!err, "consumer_close failed: %s", rd_kafka_err2str(err));
rd_kafka_destroy(rk_c);
rk_c = NULL;
TEST_SAY("%d/%d messages consumed\n", consumed_msg_cnt, exp_msg_cnt);
TEST_ASSERT(consumed_msg_cnt >= exp_msg_cnt,
"Only %d/%d messages were consumed", consumed_msg_cnt,
exp_msg_cnt);
if (consumed_msg_cnt > exp_msg_cnt)
TEST_SAY("At least %d/%d messages were consumed "
"multiple times\n",
consumed_msg_cnt - exp_msg_cnt, exp_msg_cnt);
mtx_destroy(&lock);
return 0;
}
