static void do_nonexist_commit (void) {
rd_kafka_t *rk;
char group_id[64];
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *tconf;
rd_kafka_topic_partition_list_t *offsets;
const char *unk_topic = test_mk_topic_name(__FUNCTION__, 1);
rd_kafka_resp_err_t err;
test_conf_init(&conf, &tconf, 20);
test_str_id_generate(group_id, sizeof(group_id));
TEST_SAY(_C_MAG "[ do_nonexist_commit group.id %s ]\n", group_id);
rk = test_create_consumer(group_id, NULL, conf, tconf, NULL);
TEST_SAY("Try nonexist commit\n");
offsets = rd_kafka_topic_partition_list_new(2);
rd_kafka_topic_partition_list_add(offsets, unk_topic, 0)->offset = 123;
rd_kafka_topic_partition_list_add(offsets, unk_topic, 1)->offset = 456;
err = rd_kafka_commit_queue(rk, offsets, NULL,
nonexist_offset_commit_cb, NULL);
TEST_SAY("nonexist commit returned %s\n", rd_kafka_err2str(err));
if (err != RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("commit() should succeed, not: %s",
rd_kafka_err2str(err));
rd_kafka_topic_partition_list_destroy(offsets);
test_consumer_close(rk);
rd_kafka_destroy(rk);
}
/**
* 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);
}
/**
* 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);
}
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);
}
static int nonexist_part (void) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
rd_kafka_t *rk;
rd_kafka_topic_partition_list_t *parts;
rd_kafka_resp_err_t err;
test_timing_t t_pos;
const int msgcnt = 1000;
uint64_t testid;
int i;
int it, iterations = 5;
/* Produce messages */
testid = test_produce_msgs_easy(topic, 0,
RD_KAFKA_PARTITION_UA, msgcnt);
for (it = 0 ; it < iterations ; it++) {
char group_id[32];
test_str_id_generate(group_id, sizeof(group_id));
TEST_SAY("Iteration %d/%d, using group.id %s\n", it, iterations,
group_id);
/* Consume messages */
test_consume_msgs_easy(group_id, topic, testid, -1,
msgcnt, NULL);
/*
* Now start a new consumer and query stored offsets (positions)
*/
rk = test_create_consumer(group_id, NULL, NULL, NULL, NULL);
/* Fill in partition set */
parts = rd_kafka_topic_partition_list_new(2);
/* existing */
rd_kafka_topic_partition_list_add(parts, topic, 0);
/* non-existing */
rd_kafka_topic_partition_list_add(parts, topic, 123);
TIMING_START(&t_pos, "COMMITTED");
err = rd_kafka_committed(rk, parts, tmout_multip(5000));
TIMING_STOP(&t_pos);
if (err)
TEST_FAIL("Failed to acquire committed offsets: %s\n",
rd_kafka_err2str(err));
for (i = 0 ; i < parts->cnt ; i++) {
TEST_SAY("%s [%"PRId32"] returned offset %"PRId64
": %s\n",
parts->elems[i].topic,
parts->elems[i].partition,
parts->elems[i].offset,
rd_kafka_err2str(parts->elems[i].err));
if (parts->elems[i].partition == 0 &&
parts->elems[i].offset <= 0)
TEST_FAIL("Partition %"PRId32" should have a "
"proper offset, not %"PRId64"\n",
parts->elems[i].partition,
parts->elems[i].offset);
else if (parts->elems[i].partition == 123 &&
parts->elems[i].offset !=
RD_KAFKA_OFFSET_INVALID)
TEST_FAIL("Partition %"PRId32
" should have failed\n",
parts->elems[i].partition);
}
rd_kafka_topic_partition_list_destroy(parts);
test_consumer_close(rk);
/* Hangs if bug isn't fixed */
rd_kafka_destroy(rk);
}
return 0;
}
int main_0019_list_groups (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
#define _CONS_CNT 2
char *groups[_CONS_CNT];
rd_kafka_t *rk, *rk_c[_CONS_CNT];
rd_kafka_topic_partition_list_t *topics;
rd_kafka_resp_err_t err;
test_timing_t t_grps;
int i;
int groups_seen;
rd_kafka_topic_t *rkt;
/* Handle for group listings */
rk = test_create_producer();
/* Produce messages so that topic is auto created */
rkt = test_create_topic_object(rk, topic, NULL);
test_produce_msgs(rk, rkt, 0, 0, 0, 10, NULL, 64);
rd_kafka_topic_destroy(rkt);
/* Query groups before creation, should not list our groups. */
groups_seen = list_groups(rk, NULL, 0, "should be none");
if (groups_seen != 0)
TEST_FAIL("Saw %d groups when there wasn't "
"supposed to be any\n", groups_seen);
/* Fill in topic subscription set */
topics = rd_kafka_topic_partition_list_new(1);
rd_kafka_topic_partition_list_add(topics, topic, -1);
/* Create consumers and start subscription */
for (i = 0 ; i < _CONS_CNT ; i++) {
groups[i] = malloc(32);
test_str_id_generate(groups[i], 32);
rk_c[i] = test_create_consumer(groups[i],
NULL, NULL, NULL);
err = rd_kafka_poll_set_consumer(rk_c[i]);
if (err)
TEST_FAIL("poll_set_consumer: %s\n",
rd_kafka_err2str(err));
err = rd_kafka_subscribe(rk_c[i], topics);
if (err)
TEST_FAIL("subscribe: %s\n", rd_kafka_err2str(err));
}
rd_kafka_topic_partition_list_destroy(topics);
TIMING_START(&t_grps, "WAIT.GROUPS");
/* Query groups again until both groups are seen. */
while (1) {
int groups_seen = list_groups(rk, (char **)groups, _CONS_CNT,
"should see my groups");
if (groups_seen == _CONS_CNT)
break;
rd_sleep(1);
}
TIMING_STOP(&t_grps);
TEST_SAY("Closing remaining consumers\n");
for (i = 0 ; i < _CONS_CNT ; i++) {
test_timing_t t_close;
if (!rk_c[i])
continue;
TEST_SAY("Closing %s\n", rd_kafka_name(rk_c[i]));
TIMING_START(&t_close, "CONSUMER.CLOSE");
err = rd_kafka_consumer_close(rk_c[i]);
TIMING_STOP(&t_close);
if (err)
TEST_FAIL("consumer_close failed: %s\n",
rd_kafka_err2str(err));
rd_kafka_destroy(rk_c[i]);
rk_c[i] = NULL;
free(groups[i]);
}
rd_kafka_destroy(rk);
return 0;
}
