void RdKafka::HandleImpl::set_common_config (RdKafka::ConfImpl *confimpl) {
rd_kafka_conf_set_opaque(confimpl->rk_conf_, this);
if (confimpl->event_cb_) {
rd_kafka_conf_set_log_cb(confimpl->rk_conf_,
RdKafka::log_cb_trampoline);
rd_kafka_conf_set_error_cb(confimpl->rk_conf_,
RdKafka::error_cb_trampoline);
rd_kafka_conf_set_throttle_cb(confimpl->rk_conf_,
RdKafka::throttle_cb_trampoline);
rd_kafka_conf_set_stats_cb(confimpl->rk_conf_,
RdKafka::stats_cb_trampoline);
event_cb_ = confimpl->event_cb_;
}
if (confimpl->socket_cb_) {
rd_kafka_conf_set_socket_cb(confimpl->rk_conf_,
RdKafka::socket_cb_trampoline);
socket_cb_ = confimpl->socket_cb_;
}
if (confimpl->open_cb_) {
#ifndef _MSC_VER
rd_kafka_conf_set_open_cb(confimpl->rk_conf_, RdKafka::open_cb_trampoline);
open_cb_ = confimpl->open_cb_;
#endif
}
if (confimpl->rebalance_cb_) {
rd_kafka_conf_set_rebalance_cb(confimpl->rk_conf_,
RdKafka::rebalance_cb_trampoline);
rebalance_cb_ = confimpl->rebalance_cb_;
}
if (confimpl->offset_commit_cb_) {
rd_kafka_conf_set_offset_commit_cb(confimpl->rk_conf_,
RdKafka::offset_commit_cb_trampoline);
offset_commit_cb_ = confimpl->offset_commit_cb_;
}
if (confimpl->consume_cb_) {
rd_kafka_conf_set_consume_cb(confimpl->rk_conf_,
RdKafka::consume_cb_trampoline);
consume_cb_ = confimpl->consume_cb_;
}
}
rd_kafka_t *test_create_consumer (const char *group_id,
void (*rebalance_cb) (
rd_kafka_t *rk,
rd_kafka_resp_err_t err,
rd_kafka_topic_partition_list_t
*partitions,
void *opaque),
rd_kafka_topic_conf_t *default_topic_conf,
void *opaque) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
char errstr[512];
char tmp[64];
test_conf_init(&conf, NULL, 20);
if (group_id) {
if (rd_kafka_conf_set(conf, "group.id", group_id,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("Conf failed: %s\n", errstr);
}
rd_snprintf(tmp, sizeof(tmp), "%d", test_session_timeout_ms);
if (rd_kafka_conf_set(conf, "session.timeout.ms", tmp,
errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK)
TEST_FAIL("Conf failed: %s\n", errstr);
rd_kafka_conf_set_opaque(conf, opaque);
if (rebalance_cb)
rd_kafka_conf_set_rebalance_cb(conf, rebalance_cb);
if (default_topic_conf)
rd_kafka_conf_set_default_topic_conf(conf, default_topic_conf);
/* Create kafka instance */
rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf, errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
TEST_SAY("Created kafka instance %s\n", rd_kafka_name(rk));
return rk;
}
static int Consumer_init (PyObject *selfobj, PyObject *args, PyObject *kwargs) {
Handle *self = (Handle *)selfobj;
char errstr[256];
rd_kafka_conf_t *conf;
if (self->rk) {
PyErr_SetString(PyExc_RuntimeError,
"Consumer already initialized");
return -1;
}
self->type = RD_KAFKA_CONSUMER;
if (!(conf = common_conf_setup(RD_KAFKA_CONSUMER, self,
args, kwargs)))
return -1; /* Exception raised by ..conf_setup() */
rd_kafka_conf_set_rebalance_cb(conf, Consumer_rebalance_cb);
rd_kafka_conf_set_offset_commit_cb(conf, Consumer_offset_commit_cb);
self->rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf,
errstr, sizeof(errstr));
if (!self->rk) {
cfl_PyErr_Format(rd_kafka_last_error(),
"Failed to create consumer: %s", errstr);
rd_kafka_conf_destroy(conf);
return -1;
}
/* Forward log messages to main queue which is then forwarded
* to the consumer queue */
if (self->logger)
rd_kafka_set_log_queue(self->rk, NULL);
rd_kafka_poll_set_consumer(self->rk);
self->u.Consumer.rkqu = rd_kafka_queue_get_consumer(self->rk);
assert(self->u.Consumer.rkqu);
return 0;
}
int main_0093_holb_consumer (int argc, char **argv) {
const char *topic = test_mk_topic_name("0093_holb_consumer", 1);
int64_t testid;
const int msgcnt = 100;
struct _consumer c[_CONSUMER_CNT] = RD_ZERO_INIT;
rd_kafka_conf_t *conf;
testid = test_id_generate();
test_conf_init(&conf, NULL, 60);
test_create_topic(topic, 1, 1);
test_produce_msgs_easy(topic, testid, 0, msgcnt);
test_conf_set(conf, "session.timeout.ms", "6000");
test_conf_set(conf, "max.poll.interval.ms", "20000");
test_conf_set(conf, "socket.timeout.ms", "3000");
test_conf_set(conf, "auto.offset.reset", "earliest");
/* Trigger other requests often */
test_conf_set(conf, "topic.metadata.refresh.interval.ms", "500");
rd_kafka_conf_set_rebalance_cb(conf, rebalance_cb);
rd_kafka_conf_set_opaque(conf, &c[0]);
c[0].rk = test_create_consumer(topic, NULL,
rd_kafka_conf_dup(conf), NULL);
rd_kafka_conf_set_opaque(conf, &c[1]);
c[1].rk = test_create_consumer(topic, NULL, conf, NULL);
test_consumer_subscribe(c[0].rk, topic);
/* c0: assign */
c[0].max_rebalance_cnt = 1;
/* c1: none, hasn't joined yet */
c[1].max_rebalance_cnt = 0;
TEST_SAY("Waiting for c[0] assignment\n");
while (1) {
rd_kafka_topic_partition_list_t *parts = NULL;
do_consume(&c[0], 1/*1s*/);
if (rd_kafka_assignment(c[0].rk, &parts) !=
RD_KAFKA_RESP_ERR_NO_ERROR ||
!parts || parts->cnt == 0) {
if (parts)
rd_kafka_topic_partition_list_destroy(parts);
continue;
}
TEST_SAY("%s got assignment of %d partition(s)\n",
rd_kafka_name(c[0].rk), parts->cnt);
rd_kafka_topic_partition_list_destroy(parts);
break;
}
TEST_SAY("c[0] got assignment, consuming..\n");
do_consume(&c[0], 5/*5s*/);
TEST_SAY("Joining second consumer\n");
test_consumer_subscribe(c[1].rk, topic);
/* Just poll second consumer for 10s, the rebalance will not
* finish until the first consumer polls */
do_consume(&c[1], 10/*10s*/);
/* c0: the next call to do_consume/poll will trigger
* its rebalance callback, first revoke then assign. */
c[0].max_rebalance_cnt += 2;
/* c1: first rebalance */
c[1].max_rebalance_cnt++;
TEST_SAY("Expected rebalances: c[0]: %d/%d, c[1]: %d/%d\n",
c[0].rebalance_cnt, c[0].max_rebalance_cnt,
c[1].rebalance_cnt, c[1].max_rebalance_cnt);
/* Let rebalances kick in, then consume messages. */
while (c[0].cnt + c[1].cnt < msgcnt) {
do_consume(&c[0], 0);
do_consume(&c[1], 0);
}
/* Allow the extra revoke rebalance on close() */
c[0].max_rebalance_cnt++;
c[1].max_rebalance_cnt++;
test_consumer_close(c[0].rk);
test_consumer_close(c[1].rk);
rd_kafka_destroy(c[0].rk);
rd_kafka_destroy(c[1].rk);
return 0;
}
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;
}
