RdKafka::ErrorCode
RdKafka::KafkaConsumerImpl::position (std::vector<RdKafka::TopicPartition*> &partitions) {
rd_kafka_topic_partition_list_t *c_parts;
rd_kafka_resp_err_t err;
c_parts = partitions_to_c_parts(partitions);
err = rd_kafka_position(rk_, c_parts);
if (!err) {
update_partitions_from_c_parts(partitions, c_parts);
}
rd_kafka_topic_partition_list_destroy(c_parts);
return static_cast<RdKafka::ErrorCode>(err);
}
static PyObject *Consumer_position (Handle *self, PyObject *args,
PyObject *kwargs) {
PyObject *plist;
rd_kafka_topic_partition_list_t *c_parts;
rd_kafka_resp_err_t err;
static char *kws[] = { "partitions", NULL };
if (!self->rk) {
PyErr_SetString(PyExc_RuntimeError,
"Consumer closed");
return NULL;
}
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O", kws,
&plist))
return NULL;
if (!(c_parts = py_to_c_parts(plist)))
return NULL;
err = rd_kafka_position(self->rk, c_parts);
if (err) {
rd_kafka_topic_partition_list_destroy(c_parts);
cfl_PyErr_Format(err,
"Failed to get position: %s",
rd_kafka_err2str(err));
return NULL;
}
plist = c_parts_to_py(c_parts);
rd_kafka_topic_partition_list_destroy(c_parts);
return plist;
}
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 (int argc, char **argv) {
char mode = 'C';
char *brokers = "localhost:9092";
int opt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
const char *debug = NULL;
int do_conf_dump = 0;
char tmp[16];
rd_kafka_resp_err_t err;
char *group = NULL;
rd_kafka_topic_partition_list_t *topics;
int i;
quiet = !isatty(STDIN_FILENO);
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Set logger */
rd_kafka_conf_set_log_cb(conf, logger);
/* Quick termination */
snprintf(tmp, sizeof(tmp), "%i", SIGIO);
rd_kafka_conf_set(conf, "internal.termination.signal", tmp, NULL, 0);
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
while ((opt = getopt(argc, argv, "g:b:qd:eX:As:DO")) != -1) {
switch (opt) {
case 'b':
brokers = optarg;
break;
case 'g':
group = optarg;
break;
case 'e':
exit_eof = 1;
break;
case 'd':
debug = optarg;
break;
case 'q':
quiet = 1;
break;
case 'A':
output = OUTPUT_RAW;
break;
case 'X':
{
char *name, *val;
rd_kafka_conf_res_t res;
if (!strcmp(optarg, "list") ||
!strcmp(optarg, "help")) {
rd_kafka_conf_properties_show(stdout);
exit(0);
}
if (!strcmp(optarg, "dump")) {
do_conf_dump = 1;
continue;
}
name = optarg;
if (!(val = strchr(name, '='))) {
fprintf(stderr, "%% Expected "
"-X property=value, not %s\n", name);
exit(1);
}
*val = '\0';
val++;
res = RD_KAFKA_CONF_UNKNOWN;
/* Try "topic." prefixed properties on topic
* conf first, and then fall through to global if
* it didnt match a topic configuration property. */
if (!strncmp(name, "topic.", strlen("topic.")))
res = rd_kafka_topic_conf_set(topic_conf,
name+
strlen("topic."),
val,
errstr,
sizeof(errstr));
if (res == RD_KAFKA_CONF_UNKNOWN)
res = rd_kafka_conf_set(conf, name, val,
errstr, sizeof(errstr));
if (res != RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
}
break;
case 'D':
case 'O':
mode = opt;
break;
default:
goto usage;
}
}
if (do_conf_dump) {
const char **arr;
size_t cnt;
int pass;
for (pass = 0 ; pass < 2 ; pass++) {
if (pass == 0) {
arr = rd_kafka_conf_dump(conf, &cnt);
printf("# Global config\n");
} else {
printf("# Topic config\n");
arr = rd_kafka_topic_conf_dump(topic_conf,
&cnt);
}
for (i = 0 ; i < (int)cnt ; i += 2)
printf("%s = %s\n",
arr[i], arr[i+1]);
printf("\n");
rd_kafka_conf_dump_free(arr, cnt);
}
exit(0);
}
if (strchr("OC", mode) && optind == argc) {
usage:
fprintf(stderr,
"Usage: %s [options] <topic[:part]> <topic[:part]>..\n"
"\n"
"librdkafka version %s (0x%08x)\n"
"\n"
" Options:\n"
" -g <group> Consumer group (%s)\n"
" -b <brokers> Broker address (%s)\n"
" -e Exit consumer when last message\n"
" in partition has been received.\n"
" -D Describe group.\n"
" -O Get commmitted offset(s)\n"
" -d [facs..] Enable debugging contexts:\n"
" %s\n"
" -q Be quiet\n"
" -A Raw payload output (consumer)\n"
" -X <prop=name> Set arbitrary librdkafka "
"configuration property\n"
" Properties prefixed with \"topic.\" "
"will be set on topic object.\n"
" Use '-X list' to see the full list\n"
" of supported properties.\n"
"\n"
"\n",
argv[0],
rd_kafka_version_str(), rd_kafka_version(),
group, brokers,
RD_KAFKA_DEBUG_CONTEXTS);
exit(1);
}
signal(SIGINT, stop);
signal(SIGUSR1, sig_usr1);
if (debug &&
rd_kafka_conf_set(conf, "debug", debug, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% Debug configuration failed: %s: %s\n",
errstr, debug);
exit(1);
}
/*
* Client/Consumer group
*/
if (strchr("CO", mode)) {
/* Consumer groups require a group id */
if (!group)
group = "rdkafka_consumer_example";
if (rd_kafka_conf_set(conf, "group.id", group,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
/* Consumer groups always use broker based offset storage */
if (rd_kafka_topic_conf_set(topic_conf, "offset.store.method",
"broker",
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
/* Set default topic config for pattern-matched topics. */
rd_kafka_conf_set_default_topic_conf(conf, topic_conf);
/* Callback called on partition assignment changes */
rd_kafka_conf_set_rebalance_cb(conf, rebalance_cb);
}
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new consumer: %s\n",
errstr);
exit(1);
}
rd_kafka_set_log_level(rk, LOG_DEBUG);
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
if (mode == 'D') {
int r;
/* Describe groups */
r = describe_groups(rk, group);
rd_kafka_destroy(rk);
exit(r == -1 ? 1 : 0);
}
/* Redirect rd_kafka_poll() to consumer_poll() */
rd_kafka_poll_set_consumer(rk);
topics = rd_kafka_topic_partition_list_new(argc - optind);
for (i = optind ; i < argc ; i++) {
/* Parse "topic[:part] */
char *topic = argv[i];
char *t;
int32_t partition = -1;
if ((t = strstr(topic, ":"))) {
*t = '\0';
partition = atoi(t+1);
}
rd_kafka_topic_partition_list_add(topics, topic, partition);
}
if (mode == 'O') {
/* Offset query */
err = rd_kafka_position(rk, topics, 5000);
if (err) {
fprintf(stderr, "%% Failed to fetch offsets: %s\n",
rd_kafka_err2str(err));
exit(1);
}
for (i = 0 ; i < topics->cnt ; i++) {
rd_kafka_topic_partition_t *p = &topics->elems[i];
printf("Topic \"%s\" partition %"PRId32,
p->topic, p->partition);
if (p->err)
printf(" error %s",
rd_kafka_err2str(p->err));
else {
printf(" offset %"PRId64"",
p->offset);
if (p->metadata_size)
printf(" (%d bytes of metadata)",
(int)p->metadata_size);
}
printf("\n");
}
goto done;
}
if ((err = rd_kafka_subscribe(rk, topics))) {
fprintf(stderr, "%% Failed to start consuming topics: %s\n",
rd_kafka_err2str(err));
exit(1);
}
while (run) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consumer_poll(rk, 1000);
if (rkmessage) {
msg_consume(rkmessage, NULL);
rd_kafka_message_destroy(rkmessage);
}
}
done:
err = rd_kafka_consumer_close(rk);
if (err)
fprintf(stderr, "%% Failed to close consumer: %s\n",
rd_kafka_err2str(err));
else
fprintf(stderr, "%% Consumer closed\n");
rd_kafka_topic_partition_list_destroy(topics);
/* Destroy handle */
rd_kafka_destroy(rk);
/* Let background threads clean up and terminate cleanly. */
run = 5;
while (run-- > 0 && rd_kafka_wait_destroyed(1000) == -1)
printf("Waiting for librdkafka to decommission\n");
if (run <= 0)
rd_kafka_dump(stdout, rk);
return 0;
}
int main_0006_symbols (int argc, char **argv) {
if (argc < 0 /* always false */) {
rd_kafka_version();
rd_kafka_version_str();
rd_kafka_get_debug_contexts();
rd_kafka_get_err_descs(NULL, NULL);
rd_kafka_err2str(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_err2name(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_errno2err(EINVAL);
rd_kafka_errno();
rd_kafka_last_error();
rd_kafka_conf_new();
rd_kafka_conf_destroy(NULL);
rd_kafka_conf_dup(NULL);
rd_kafka_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_conf_set_dr_cb(NULL, NULL);
rd_kafka_conf_set_dr_msg_cb(NULL, NULL);
rd_kafka_conf_set_error_cb(NULL, NULL);
rd_kafka_conf_set_stats_cb(NULL, NULL);
rd_kafka_conf_set_log_cb(NULL, NULL);
rd_kafka_conf_set_socket_cb(NULL, NULL);
rd_kafka_conf_set_rebalance_cb(NULL, NULL);
rd_kafka_conf_set_offset_commit_cb(NULL, NULL);
rd_kafka_conf_set_throttle_cb(NULL, NULL);
rd_kafka_conf_set_default_topic_conf(NULL, NULL);
rd_kafka_conf_get(NULL, NULL, NULL, NULL);
#ifndef _MSC_VER
rd_kafka_conf_set_open_cb(NULL, NULL);
#endif
rd_kafka_conf_set_opaque(NULL, NULL);
rd_kafka_opaque(NULL);
rd_kafka_conf_dump(NULL, NULL);
rd_kafka_topic_conf_dump(NULL, NULL);
rd_kafka_conf_dump_free(NULL, 0);
rd_kafka_conf_properties_show(NULL);
rd_kafka_topic_conf_new();
rd_kafka_topic_conf_dup(NULL);
rd_kafka_topic_conf_destroy(NULL);
rd_kafka_topic_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_topic_conf_set_opaque(NULL, NULL);
rd_kafka_topic_conf_get(NULL, NULL, NULL, NULL);
rd_kafka_topic_conf_set_partitioner_cb(NULL, NULL);
rd_kafka_topic_partition_available(NULL, 0);
rd_kafka_topic_opaque(NULL);
rd_kafka_msg_partitioner_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_msg_partitioner_consistent(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_msg_partitioner_consistent_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_new(0, NULL, NULL, 0);
rd_kafka_destroy(NULL);
rd_kafka_name(NULL);
rd_kafka_memberid(NULL);
rd_kafka_topic_new(NULL, NULL, NULL);
rd_kafka_topic_destroy(NULL);
rd_kafka_topic_name(NULL);
rd_kafka_message_destroy(NULL);
rd_kafka_message_errstr(NULL);
rd_kafka_message_timestamp(NULL, NULL);
rd_kafka_consume_start(NULL, 0, 0);
rd_kafka_consume_stop(NULL, 0);
rd_kafka_consume(NULL, 0, 0);
rd_kafka_consume_batch(NULL, 0, 0, NULL, 0);
rd_kafka_consume_callback(NULL, 0, 0, NULL, NULL);
rd_kafka_offset_store(NULL, 0, 0);
rd_kafka_produce(NULL, 0, 0, NULL, 0, NULL, 0, NULL);
rd_kafka_produce_batch(NULL, 0, 0, NULL, 0);
rd_kafka_poll(NULL, 0);
rd_kafka_brokers_add(NULL, NULL);
/* DEPRECATED: rd_kafka_set_logger(NULL, NULL); */
rd_kafka_set_log_level(NULL, 0);
rd_kafka_log_print(NULL, 0, NULL, NULL);
#ifndef _MSC_VER
rd_kafka_log_syslog(NULL, 0, NULL, NULL);
#endif
rd_kafka_outq_len(NULL);
rd_kafka_dump(NULL, NULL);
rd_kafka_thread_cnt();
rd_kafka_wait_destroyed(0);
rd_kafka_metadata(NULL, 0, NULL, NULL, 0);
rd_kafka_metadata_destroy(NULL);
rd_kafka_queue_destroy(NULL);
rd_kafka_consume_start_queue(NULL, 0, 0, NULL);
rd_kafka_consume_queue(NULL, 0);
rd_kafka_consume_batch_queue(NULL, 0, NULL, 0);
rd_kafka_consume_callback_queue(NULL, 0, NULL, NULL);
rd_kafka_seek(NULL, 0, 0, 0);
rd_kafka_yield(NULL);
rd_kafka_mem_free(NULL, NULL);
rd_kafka_list_groups(NULL, NULL, NULL, 0);
rd_kafka_group_list_destroy(NULL);
/* KafkaConsumer API */
rd_kafka_subscribe(NULL, NULL);
rd_kafka_unsubscribe(NULL);
rd_kafka_subscription(NULL, NULL);
rd_kafka_consumer_poll(NULL, 0);
rd_kafka_consumer_close(NULL);
rd_kafka_assign(NULL, NULL);
rd_kafka_assignment(NULL, NULL);
rd_kafka_commit(NULL, NULL, 0);
rd_kafka_commit_message(NULL, NULL, 0);
rd_kafka_committed(NULL, NULL, 0);
rd_kafka_position(NULL, NULL);
/* TopicPartition */
rd_kafka_topic_partition_list_new(0);
rd_kafka_topic_partition_list_destroy(NULL);
rd_kafka_topic_partition_list_add(NULL, NULL, 0);
rd_kafka_topic_partition_list_add_range(NULL, NULL, 0, 0);
rd_kafka_topic_partition_list_del(NULL, NULL, 0);
rd_kafka_topic_partition_list_del_by_idx(NULL, 0);
rd_kafka_topic_partition_list_copy(NULL);
rd_kafka_topic_partition_list_set_offset(NULL, NULL, 0, 0);
rd_kafka_topic_partition_list_find(NULL, NULL, 0);
rd_kafka_query_watermark_offsets(NULL, NULL, 0, NULL, NULL, 0);
rd_kafka_get_watermark_offsets(NULL, NULL, 0, NULL, NULL);
}
return 0;
}
