static
int kafka_partition_count(rd_kafka_t *r, const char *topic)
{
rd_kafka_topic_t *rkt;
rd_kafka_topic_conf_t *conf;
int i;//C89 compliant
//connect as consumer if required
if (r == NULL)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "phpkafka - no connection to get partition count for topic: %s", topic);
}
return -1;
}
/* Topic configuration */
conf = rd_kafka_topic_conf_new();
/* Create topic */
rkt = rd_kafka_topic_new(r, topic, conf);
//metadata API required rd_kafka_metadata_t** to be passed
const struct rd_kafka_metadata *meta = NULL;
if (RD_KAFKA_RESP_ERR_NO_ERROR == rd_kafka_metadata(r, 0, rkt, &meta, 200))
i = (int) meta->topics->partition_cnt;
else
i = 0;
if (meta) {
rd_kafka_metadata_destroy(meta);
}
rd_kafka_topic_destroy(rkt);
return i;
}
static void test_producer_no_connection (void) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
rd_kafka_topic_t *rkt;
int i;
const int partition_cnt = 2;
int msgcnt = 0;
test_timing_t t_destroy;
test_conf_init(&conf, NULL, 20);
test_conf_set(conf, "bootstrap.servers", NULL);
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = test_create_topic_object(rk, __FUNCTION__,
"message.timeout.ms", "5000", NULL);
test_produce_msgs_nowait(rk, rkt, 0, RD_KAFKA_PARTITION_UA, 0, 100,
NULL, 100, 0, &msgcnt);
for (i = 0 ; i < partition_cnt ; i++)
test_produce_msgs_nowait(rk, rkt, 0, i,
0, 100, NULL, 100, 0, &msgcnt);
rd_kafka_poll(rk, 1000);
TEST_SAY("%d messages in queue\n", rd_kafka_outq_len(rk));
rd_kafka_topic_destroy(rkt);
TIMING_START(&t_destroy, "rd_kafka_destroy()");
rd_kafka_destroy(rk);
TIMING_STOP(&t_destroy);
}
/**
* Issue #530:
* "Legacy Consumer. Delete hangs if done right after RdKafka::Consumer::create.
* But If I put a start and stop in between, there is no issue."
*/
static int legacy_consumer_early_destroy (void) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
int pass;
const char *topic = test_mk_topic_name(__FUNCTION__, 0);
for (pass = 0 ; pass < 2 ; pass++) {
TEST_SAY("%s: pass #%d\n", __FUNCTION__, pass);
rk = test_create_handle(RD_KAFKA_CONSUMER, NULL);
if (pass == 1) {
/* Second pass, create a topic too. */
rkt = rd_kafka_topic_new(rk, topic, NULL);
TEST_ASSERT(rkt, "failed to create topic: %s",
rd_kafka_err2str(
rd_kafka_errno2err(errno)));
rd_sleep(1);
rd_kafka_topic_destroy(rkt);
}
rd_kafka_destroy(rk);
}
return 0;
}
void p_kafka_unset_topic(struct p_kafka_host *kafka_host)
{
if (kafka_host && kafka_host->topic) {
rd_kafka_topic_destroy(kafka_host->topic);
kafka_host->topic = NULL;
}
}
int main_0021_rkt_destroy (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 0);
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
const int msgcnt = 1000;
uint64_t testid;
int remains = 0;
test_conf_init(NULL, NULL, 10);
testid = test_id_generate();
rk = test_create_producer();
rkt = test_create_producer_topic(rk, topic, NULL);
test_produce_msgs_nowait(rk, rkt, testid, RD_KAFKA_PARTITION_UA,
0, msgcnt, NULL, 0, &remains);
TEST_ASSERT(msgcnt == remains, "Only %d/%d messages produced",
remains, msgcnt);
rd_kafka_topic_destroy(rkt);
test_wait_delivery(rk, &remains);
rd_kafka_destroy(rk);
return 0;
}
void producer_close(wrapper_Info* producer_info)
{
/* Destroy topic */
rd_kafka_topic_destroy(producer_info->rkt);
/* Destroy the handle */
rd_kafka_destroy(producer_info->rk);
}
void table_metadata_free(table_metadata_t table) {
if (table->table_name) free(table->table_name);
if (table->topic) {
rd_kafka_topic_destroy(table->topic);
}
if (table->row_schema) avro_schema_decref(table->row_schema);
if (table->key_schema) avro_schema_decref(table->key_schema);
}
static void consume_messages (uint64_t testid, const char *topic,
int32_t partition, int msg_base, int batch_cnt,
int msgcnt) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
int i;
test_conf_init(&conf, &topic_conf, 20);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_CONSUMER, conf);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_kafka_err2str(rd_kafka_last_error()));
TEST_SAY("Consuming %i messages from partition %i\n",
batch_cnt, partition);
/* Consume messages */
if (rd_kafka_consume_start(rkt, partition,
RD_KAFKA_OFFSET_TAIL(batch_cnt)) == -1)
TEST_FAIL("consume_start(%i, -%i) failed: %s",
(int)partition, batch_cnt,
rd_kafka_err2str(rd_kafka_last_error()));
for (i = 0 ; i < batch_cnt ; i++) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consume(rkt, partition, tmout_multip(5000));
if (!rkmessage)
TEST_FAIL("Failed to consume message %i/%i from "
"partition %i: %s",
i, batch_cnt, (int)partition,
rd_kafka_err2str(rd_kafka_last_error()));
if (rkmessage->err)
TEST_FAIL("Consume message %i/%i from partition %i "
"has error: %s",
i, batch_cnt, (int)partition,
rd_kafka_err2str(rkmessage->err));
verify_consumed_msg(testid, partition, msg_base+i, rkmessage);
rd_kafka_message_destroy(rkmessage);
}
rd_kafka_consume_stop(rkt, partition);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
rd_kafka_destroy(rk);
}
int main (int argc, char **argv) {
if (argc < 0 /* always false */) {
rd_kafka_version();
rd_kafka_version_str();
rd_kafka_err2str(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_errno2err(EINVAL);
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_error_cb(NULL, NULL);
rd_kafka_conf_set_stats_cb(NULL, NULL);
rd_kafka_conf_set_opaque(NULL, 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_set_partitioner_cb(NULL, NULL);
rd_kafka_topic_partition_available(NULL, 0);
rd_kafka_msg_partitioner_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_new(0, NULL, NULL, 0);
rd_kafka_destroy(NULL);
rd_kafka_name(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_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_poll(NULL, 0);
rd_kafka_brokers_add(NULL, NULL);
rd_kafka_set_logger(NULL, NULL);
rd_kafka_set_log_level(NULL, 0);
rd_kafka_log_print(NULL, 0, NULL, NULL);
rd_kafka_log_syslog(NULL, 0, NULL, NULL);
rd_kafka_outq_len(NULL);
rd_kafka_dump(NULL, NULL);
rd_kafka_thread_cnt();
rd_kafka_wait_destroyed(0);
}
return 0;
}
/**
* @brief Test handling of implicit acks.
*
* @param batch_cnt Total number of batches, ProduceRequests, sent.
* @param initial_fail_batch_cnt How many of the initial batches should
* fail with an emulated network timeout.
*/
static void do_test_implicit_ack (const char *what,
int batch_cnt, int initial_fail_batch_cnt) {
rd_kafka_t *rk;
const char *topic = test_mk_topic_name("0090_idempotence_impl_ack", 1);
const int32_t partition = 0;
uint64_t testid;
int msgcnt = 10*batch_cnt;
rd_kafka_conf_t *conf;
rd_kafka_topic_t *rkt;
test_msgver_t mv;
TEST_SAY(_C_MAG "[ Test implicit ack: %s ]\n", what);
rd_atomic32_init(&state.produce_cnt, 0);
state.batch_cnt = batch_cnt;
state.initial_fail_batch_cnt = initial_fail_batch_cnt;
testid = test_id_generate();
test_conf_init(&conf, NULL, 60);
rd_kafka_conf_set_dr_msg_cb(conf, test_dr_msg_cb);
test_conf_set(conf, "enable.idempotence", "true");
test_conf_set(conf, "batch.num.messages", "10");
test_conf_set(conf, "linger.ms", "500");
test_conf_set(conf, "retry.backoff.ms", "2000");
/* The ProduceResponse handler will inject timed-out-in-flight
* errors for the first N ProduceRequests, which will trigger retries
* that in turn will result in OutOfSequence errors. */
test_conf_set(conf, "ut_handle_ProduceResponse",
(char *)handle_ProduceResponse);
test_create_topic(topic, 1, 1);
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = test_create_producer_topic(rk, topic, NULL);
TEST_SAY("Producing %d messages\n", msgcnt);
test_produce_msgs(rk, rkt, testid, -1, 0, msgcnt, NULL, 0);
TEST_SAY("Flushing..\n");
rd_kafka_flush(rk, 10000);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
TEST_SAY("Verifying messages with consumer\n");
test_msgver_init(&mv, testid);
test_consume_msgs_easy_mv(NULL, topic, partition,
testid, 1, msgcnt, NULL, &mv);
test_msgver_verify("verify", &mv, TEST_MSGVER_ALL, 0, msgcnt);
test_msgver_clear(&mv);
TEST_SAY(_C_GRN "[ Test implicit ack: %s : PASS ]\n", what);
}
int main_0041_fetch_max_bytes (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
const int partition = 0;
const int msgcnt = 2*1000;
const int MAX_BYTES = 100000;
uint64_t testid;
rd_kafka_conf_t *conf;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
test_conf_init(NULL, NULL, 60);
testid = test_id_generate();
rk = test_create_producer();
rkt = test_create_producer_topic(rk, topic, NULL);
test_produce_msgs(rk, rkt, testid, partition, 0, msgcnt/2, NULL, MAX_BYTES/10);
test_produce_msgs(rk, rkt, testid, partition, msgcnt/2, msgcnt/2, NULL, MAX_BYTES*5);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
TEST_SAY("Creating consumer\n");
test_conf_init(&conf, NULL, 0);
test_conf_set(conf, "fetch.message.max.bytes", tsprintf("%d", MAX_BYTES));
rk = test_create_consumer(NULL, NULL, conf, NULL);
rkt = rd_kafka_topic_new(rk, topic, NULL);
test_consumer_start("CONSUME", rkt, partition,
RD_KAFKA_OFFSET_BEGINNING);
test_consume_msgs("CONSUME", rkt, testid, partition, TEST_NO_SEEK,
0, msgcnt, 1);
test_consumer_stop("CONSUME", rkt, partition);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
return 0;
}
int main_0036_partial_fetch (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
const int partition = 0;
const int msgcnt = 100;
const int msgsize = 1000;
uint64_t testid;
rd_kafka_conf_t *conf;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
TEST_SAY("Producing %d messages of size %d to %s [%d]\n",
msgcnt, (int)msgsize, topic, partition);
testid = test_id_generate();
rk = test_create_producer();
rkt = test_create_producer_topic(rk, topic, NULL);
test_produce_msgs(rk, rkt, testid, partition, 0, msgcnt, NULL, msgsize);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
TEST_SAY("Creating consumer\n");
test_conf_init(&conf, NULL, 0);
/* This should fetch 1.5 messages per fetch, thus resulting in
* partial fetches, hopefully. */
test_conf_set(conf, "fetch.message.max.bytes", "1500");
rk = test_create_consumer(NULL, NULL, conf, NULL, NULL);
rkt = rd_kafka_topic_new(rk, topic, NULL);
test_consumer_start("CONSUME", rkt, partition,
RD_KAFKA_OFFSET_BEGINNING);
test_consume_msgs("CONSUME", rkt, testid, partition, TEST_NO_SEEK,
0, msgcnt, 1);
test_consumer_stop("CONSUME", rkt, partition);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
return 0;
}
int main_0001_multiobj (int argc, char **argv) {
int partition = RD_KAFKA_PARTITION_UA; /* random */
int i;
const int NUM_ITER = 10;
const char *topic = NULL;
TEST_SAY("Creating and destroying %i kafka instances\n", NUM_ITER);
/* Create, use and destroy NUM_ITER kafka instances. */
for (i = 0 ; i < NUM_ITER ; i++) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
test_timing_t t_destroy;
test_conf_init(&conf, &topic_conf, 30);
if (!topic)
topic = test_mk_topic_name("0001", 0);
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic for "
"rdkafka instance #%i: %s\n",
i, rd_kafka_err2str(rd_kafka_errno2err(errno)));
rd_snprintf(msg, sizeof(msg), "%s test message for iteration #%i",
argv[0], i);
/* Produce a message */
rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
msg, strlen(msg), NULL, 0, NULL);
/* Wait for it to be sent (and possibly acked) */
rd_kafka_flush(rk, -1);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TIMING_START(&t_destroy, "rd_kafka_destroy()");
rd_kafka_destroy(rk);
TIMING_STOP(&t_destroy);
}
return 0;
}
void consumer_close(wrapper_Info* consumer_info)
{
/* Stop consuming */
rd_kafka_consume_stop(consumer_info->rkt, consumer_info->partition);
while (rd_kafka_outq_len(consumer_info->rk) > 0)
rd_kafka_poll(consumer_info->rk, 10);
/* Destroy topic */
rd_kafka_topic_destroy(consumer_info->rkt);
/* Destroy handle */
rd_kafka_destroy(consumer_info->rk);
}
static PyObject *Consumer_seek (Handle *self, PyObject *args, PyObject *kwargs) {
TopicPartition *tp;
rd_kafka_resp_err_t err;
static char *kws[] = { "partition", NULL };
rd_kafka_topic_t *rkt;
if (!self->rk) {
PyErr_SetString(PyExc_RuntimeError, "Consumer closed");
return NULL;
}
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O", kws,
(PyObject **)&tp))
return NULL;
if (PyObject_Type((PyObject *)tp) != (PyObject *)&TopicPartitionType) {
PyErr_Format(PyExc_TypeError,
"expected %s", TopicPartitionType.tp_name);
return NULL;
}
rkt = rd_kafka_topic_new(self->rk, tp->topic, NULL);
if (!rkt) {
cfl_PyErr_Format(rd_kafka_last_error(),
"Failed to get topic object for "
"topic \"%s\": %s",
tp->topic,
rd_kafka_err2str(rd_kafka_last_error()));
return NULL;
}
Py_BEGIN_ALLOW_THREADS;
err = rd_kafka_seek(rkt, tp->partition, tp->offset, -1);
Py_END_ALLOW_THREADS;
rd_kafka_topic_destroy(rkt);
if (err) {
cfl_PyErr_Format(err,
"Failed to seek to offset %"CFL_PRId64": %s",
tp->offset, rd_kafka_err2str(err));
return NULL;
}
Py_RETURN_NONE;
}
/* Returns 0 on success. On failure, sets mapper->error and returns nonzero. */
int table_metadata_update_topic(table_mapper_t mapper, table_metadata_t table, const char* table_name) {
const char* prev_table_name = table->table_name;
if (table->topic) {
if (strcmp(table_name, prev_table_name)) {
logf("Registering new table (was \"%s\", now \"%s\") for relid %" PRIu32 "\n", prev_table_name, table_name, table->relid);
free(table->table_name);
rd_kafka_topic_destroy(table->topic);
} else return 0; // table name didn't change, nothing to do
}
table->table_name = strdup(table_name);
const char *topic_name;
/* both branches set topic_name to a pointer we don't need to free,
* since rd_kafka_topic_new below is going to copy it anyway */
if (mapper->topic_prefix != NULL) {
char prefixed_name[TABLE_MAPPER_MAX_TOPIC_LEN];
int size = snprintf(prefixed_name, TABLE_MAPPER_MAX_TOPIC_LEN,
"%s%c%s",
mapper->topic_prefix, TABLE_MAPPER_TOPIC_PREFIX_DELIMITER, table_name);
if (size >= TABLE_MAPPER_MAX_TOPIC_LEN) {
mapper_error(mapper, "prefixed topic name is too long (max %d bytes): prefix %s, table name %s",
TABLE_MAPPER_MAX_TOPIC_LEN, mapper->topic_prefix, table_name);
return -1;
}
topic_name = prefixed_name;
/* needn't free topic_name because prefixed_name was stack-allocated */
} else {
topic_name = table_name;
/* needn't free topic_name because it aliases table_name which we don't own */
}
logf("Opening Kafka topic \"%s\" for table \"%s\"\n", topic_name, table_name);
table->topic = rd_kafka_topic_new(mapper->kafka, topic_name,
rd_kafka_topic_conf_dup(mapper->topic_conf));
if (!table->topic) {
mapper_error(mapper, "Cannot open Kafka topic %s: %s", topic_name,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
return -1;
}
return 0;
}
static void kafka_topic_context_free(void *p) /* {{{ */
{
struct kafka_topic_context *ctx = p;
if (ctx == NULL)
return;
if (ctx->topic_name != NULL)
sfree(ctx->topic_name);
if (ctx->topic != NULL)
rd_kafka_topic_destroy(ctx->topic);
if (ctx->conf != NULL)
rd_kafka_topic_conf_destroy(ctx->conf);
sfree(ctx);
} /* }}} void kafka_topic_context_free */
static void legacy_consume_many (char **topics, int topic_cnt, uint64_t testid){
rd_kafka_t *rk;
test_timing_t t_rkt_create;
int i;
rd_kafka_topic_t **rkts;
int msg_base = 0;
TEST_SAY(_C_MAG "%s\n" _C_CLR, __FUNCTION__);
test_conf_init(NULL, NULL, 60);
rk = test_create_consumer(NULL, NULL, NULL, NULL);
TEST_SAY("Creating %d topic objects\n", topic_cnt);
rkts = malloc(sizeof(*rkts) * topic_cnt);
TIMING_START(&t_rkt_create, "Topic object create");
for (i = 0 ; i < topic_cnt ; i++)
rkts[i] = test_create_topic_object(rk, topics[i], NULL);
TIMING_STOP(&t_rkt_create);
TEST_SAY("Start consumer for %d topics\n", topic_cnt);
for (i = 0 ; i < topic_cnt ; i++)
test_consumer_start("legacy", rkts[i], 0,
RD_KAFKA_OFFSET_BEGINNING);
TEST_SAY("Consuming from %d messages from each %d topics\n",
msgs_per_topic, topic_cnt);
for (i = 0 ; i < topic_cnt ; i++) {
test_consume_msgs("legacy", rkts[i], testid, 0, TEST_NO_SEEK,
msg_base, msgs_per_topic, 1);
msg_base += msgs_per_topic;
}
TEST_SAY("Stopping consumers\n");
for (i = 0 ; i < topic_cnt ; i++)
test_consumer_stop("legacy", rkts[i], 0);
TEST_SAY("Destroying %d topic objects\n", topic_cnt);
for (i = 0 ; i < topic_cnt ; i++)
rd_kafka_topic_destroy(rkts[i]);
free(rkts);
rd_kafka_destroy(rk);
}
Http::~Http() {
pooldestroy();
if (fpwUrl != NULL) {
fclose(fpwUrl);
}
if (fprArg != NULL) {
fclose(fprArg);
fclose(test);
}
curl_global_cleanup();
rd_kafka_consume_stop(kafka_consumer.rkt_, kafka_consumer.partition_);
rd_kafka_topic_destroy(kafka_consumer.rkt_);
rd_kafka_destroy(kafka_consumer.rk_);
pthread_cancel(kafkaInitId);
pthread_join(kafkaInitId, NULL);
}
/**
* Create producer, produce \p msgcnt messages to \p topic \p partition,
* destroy consumer, and returns the used testid.
*/
uint64_t
test_produce_msgs_easy (const char *topic, uint64_t testid,
int32_t partition, int msgcnt) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
test_timing_t t_produce;
if (!testid)
testid = test_id_generate();
rk = test_create_producer();
rkt = test_create_producer_topic(rk, topic, NULL);
TIMING_START(&t_produce, "PRODUCE");
test_produce_msgs(rk, rkt, testid, partition, 0, msgcnt, NULL, 0);
TIMING_STOP(&t_produce);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
return testid;
}
static rd_kafka_resp_err_t
Producer_produce0 (Handle *self,
const char *topic, int32_t partition,
const void *value, size_t value_len,
const void *key, size_t key_len,
void *opaque) {
rd_kafka_topic_t *rkt;
rd_kafka_resp_err_t err = RD_KAFKA_RESP_ERR_NO_ERROR;
if (!(rkt = rd_kafka_topic_new(self->rk, topic, NULL)))
return RD_KAFKA_RESP_ERR__INVALID_ARG;
if (rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
(void *)value, value_len,
(void *)key, key_len, opaque) == -1)
err = rd_kafka_last_error();
rd_kafka_topic_destroy(rkt);
return err;
}
static void test_producer_partition_cnt_change (void) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
rd_kafka_topic_t *rkt;
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
const int partition_cnt = 4;
int msgcnt = 100000;
test_timing_t t_destroy;
int produced = 0;
test_kafka_topics("--create --topic %s --replication-factor 1 "
"--partitions %d",
topic, partition_cnt/2);
test_conf_init(&conf, NULL, 20);
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = test_create_topic_object(rk, __FUNCTION__,
"message.timeout.ms",
tsprintf("%d", tmout_multip(5000)),
NULL);
test_produce_msgs_nowait(rk, rkt, 0, RD_KAFKA_PARTITION_UA, 0, msgcnt/2,
NULL, 100, &produced);
test_kafka_topics("--alter --topic %s --partitions %d",
topic, partition_cnt);
test_produce_msgs_nowait(rk, rkt, 0, RD_KAFKA_PARTITION_UA,
msgcnt/2, msgcnt/2,
NULL, 100, &produced);
test_wait_delivery(rk, &produced);
rd_kafka_topic_destroy(rkt);
TIMING_START(&t_destroy, "rd_kafka_destroy()");
rd_kafka_destroy(rk);
TIMING_STOP(&t_destroy);
}
static void produce_many (char **topics, int topic_cnt, uint64_t testid) {
rd_kafka_t *rk;
test_timing_t t_rkt_create;
int i;
rd_kafka_topic_t **rkts;
TEST_SAY(_C_MAG "%s\n" _C_CLR, __FUNCTION__);
rk = test_create_producer();
TEST_SAY("Creating %d topic objects\n", topic_cnt);
rkts = malloc(sizeof(*rkts) * topic_cnt);
TIMING_START(&t_rkt_create, "Topic object create");
for (i = 0 ; i < topic_cnt ; i++) {
rkts[i] = test_create_topic_object(rk, topics[i], NULL);
}
TIMING_STOP(&t_rkt_create);
TEST_SAY("Producing %d messages to each %d topics\n",
msgs_per_topic, topic_cnt);
/* Produce messages to each topic (so they are created) */
for (i = 0 ; i < topic_cnt ; i++) {
test_produce_msgs(rk, rkts[i], testid, 0,
i * msgs_per_topic, msgs_per_topic,
NULL, 100);
}
TEST_SAY("Destroying %d topic objects\n", topic_cnt);
for (i = 0 ; i < topic_cnt ; i++) {
rd_kafka_topic_destroy(rkts[i]);
}
free(rkts);
test_flush(rk, 30000);
rd_kafka_destroy(rk);
}
static PyObject *
RdkHandle_stop(RdkHandle *self)
{
/* We'll only ever get a locking error if we programmed ourselves into a
* deadlock. We'd have to admit defeat, abort, and leak this RdkHandle */
if (RdkHandle_excl_lock(self)) return NULL;
Py_BEGIN_ALLOW_THREADS /* avoid callbacks deadlocking */
if (self->rdk_queue_handle) {
rd_kafka_queue_destroy(self->rdk_queue_handle);
self->rdk_queue_handle = NULL;
}
if (self->rdk_topic_handle) {
rd_kafka_topic_destroy(self->rdk_topic_handle);
self->rdk_topic_handle = NULL;
}
if (self->rdk_handle) {
PyObject *opaque = (PyObject *)rd_kafka_opaque(self->rdk_handle);
Py_XDECREF(opaque);
rd_kafka_destroy(self->rdk_handle);
self->rdk_handle = NULL;
}
if (self->rdk_conf) {
rd_kafka_conf_destroy(self->rdk_conf);
self->rdk_conf = NULL;
}
if (self->rdk_topic_conf) {
rd_kafka_topic_conf_destroy(self->rdk_topic_conf);
self->rdk_topic_conf = NULL;
}
Py_END_ALLOW_THREADS
Py_CLEAR(self->partition_ids);
if (RdkHandle_unlock(self)) return NULL;
Py_INCREF(Py_None);
return Py_None;
}
void p_kafka_close(struct p_kafka_host *kafka_host, int set_fail)
{
if (kafka_host && !validate_truefalse(set_fail)) {
if (set_fail) {
Log(LOG_ERR, "ERROR ( %s/%s ): Connection failed to Kafka: p_kafka_close()\n", config.name, config.type);
P_broker_timers_set_last_fail(&kafka_host->btimers, time(NULL));
}
else {
/* Wait for messages to be delivered */
if (kafka_host->rk) p_kafka_check_outq_len(kafka_host);
}
if (kafka_host->topic) {
rd_kafka_topic_destroy(kafka_host->topic);
kafka_host->topic = NULL;
}
if (kafka_host->rk) {
rd_kafka_destroy(kafka_host->rk);
kafka_host->rk = NULL;
}
}
}
/**
* consumer_free
*
* Callback called when Ruby needs to GC the configuration associated with an Hermann instance.
*
* @param p void* the instance of an HermannInstanceConfig to be freed from allocated memory.
*/
static void consumer_free(void *p) {
HermannInstanceConfig* config = (HermannInstanceConfig *)p;
#ifdef TRACE
fprintf(stderr, "consumer_free\n");
#endif
// the p *should* contain a pointer to the consumerConfig which also must be freed
if (config->rkt != NULL) {
rd_kafka_topic_destroy(config->rkt);
}
if (config->rk != NULL) {
rd_kafka_destroy(config->rk);
}
free(config->topic);
free(config->brokers);
// clean up the struct
free(config);
}
/**
* producer_free
*
* Reclaim memory allocated to the Producer's configuration
*
* @param p void* the instance's configuration struct
*/
static void producer_free(void *p) {
HermannInstanceConfig* config = (HermannInstanceConfig *)p;
TRACER("dealloc producer ruby object (%p)\n", p);
if (NULL == p) {
return;
}
// Clean up the topic
if (NULL != config->rkt) {
rd_kafka_topic_destroy(config->rkt);
}
// Take care of the producer instance
if (NULL != config->rk) {
rd_kafka_destroy(config->rk);
}
// Free the struct
free(config);
}
int main_0004_conf (int argc, char **argv) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *ignore_conf, *conf, *conf2;
rd_kafka_topic_conf_t *ignore_topic_conf, *tconf, *tconf2;
char errstr[512];
const char **arr_orig, **arr_dup;
size_t cnt_orig, cnt_dup;
int i;
const char *topic;
static const char *gconfs[] = {
"message.max.bytes", "12345", /* int property */
"client.id", "my id", /* string property */
"debug", "topic,metadata", /* S2F property */
"topic.blacklist", "__.*", /* #778 */
"auto.offset.reset", "earliest", /* Global->Topic fallthru */
#if WITH_ZLIB
"compression.codec", "gzip", /* S2I property */
#endif
NULL
};
static const char *tconfs[] = {
"request.required.acks", "-1", /* int */
"auto.commit.enable", "false", /* bool */
"auto.offset.reset", "error", /* S2I */
"offset.store.path", "my/path", /* string */
NULL
};
test_conf_init(&ignore_conf, &ignore_topic_conf, 10);
rd_kafka_conf_destroy(ignore_conf);
rd_kafka_topic_conf_destroy(ignore_topic_conf);
topic = test_mk_topic_name("0004", 0);
/* Set up a global config object */
conf = rd_kafka_conf_new();
rd_kafka_conf_set_dr_cb(conf, dr_cb);
rd_kafka_conf_set_error_cb(conf, error_cb);
for (i = 0 ; gconfs[i] ; i += 2) {
if (rd_kafka_conf_set(conf, gconfs[i], gconfs[i+1],
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
}
/* Set up a topic config object */
tconf = rd_kafka_topic_conf_new();
rd_kafka_topic_conf_set_partitioner_cb(tconf, partitioner);
rd_kafka_topic_conf_set_opaque(tconf, (void *)0xbeef);
for (i = 0 ; tconfs[i] ; i += 2) {
if (rd_kafka_topic_conf_set(tconf, tconfs[i], tconfs[i+1],
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
}
/* Verify global config */
arr_orig = rd_kafka_conf_dump(conf, &cnt_orig);
conf_verify(__LINE__, arr_orig, cnt_orig, gconfs);
/* Verify copied global config */
conf2 = rd_kafka_conf_dup(conf);
arr_dup = rd_kafka_conf_dump(conf2, &cnt_dup);
conf_verify(__LINE__, arr_dup, cnt_dup, gconfs);
conf_cmp("global", arr_orig, cnt_orig, arr_dup, cnt_dup);
rd_kafka_conf_dump_free(arr_orig, cnt_orig);
rd_kafka_conf_dump_free(arr_dup, cnt_dup);
/* Verify topic config */
arr_orig = rd_kafka_topic_conf_dump(tconf, &cnt_orig);
conf_verify(__LINE__, arr_orig, cnt_orig, tconfs);
/* Verify copied topic config */
tconf2 = rd_kafka_topic_conf_dup(tconf);
arr_dup = rd_kafka_topic_conf_dump(tconf2, &cnt_dup);
conf_verify(__LINE__, arr_dup, cnt_dup, tconfs);
conf_cmp("topic", arr_orig, cnt_orig, arr_dup, cnt_dup);
rd_kafka_conf_dump_free(arr_orig, cnt_orig);
rd_kafka_conf_dump_free(arr_dup, cnt_dup);
/*
* Create kafka instances using original and copied confs
*/
/* original */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, topic, tconf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* copied */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf2);
rkt = rd_kafka_topic_new(rk, topic, tconf2);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* Incremental S2F property.
* NOTE: The order of fields returned in get() is hardcoded here. */
{
static const char *s2fs[] = {
"generic,broker,queue,cgrp",
"generic,broker,queue,cgrp",
"-broker,+queue,topic",
"generic,topic,queue,cgrp",
"-all,security,-fetch,+metadata",
"metadata,security",
NULL
};
TEST_SAY("Incremental S2F tests\n");
conf = rd_kafka_conf_new();
for (i = 0 ; s2fs[i] ; i += 2) {
const char *val;
TEST_SAY(" Set: %s\n", s2fs[i]);
test_conf_set(conf, "debug", s2fs[i]);
val = test_conf_get(conf, "debug");
TEST_SAY(" Now: %s\n", val);
if (strcmp(val, s2fs[i+1]))
TEST_FAIL_LATER("\n"
"Expected: %s\n"
" Got: %s",
s2fs[i+1], val);
}
rd_kafka_conf_destroy(conf);
}
/* Canonical int values, aliases, s2i-verified strings */
{
static const struct {
const char *prop;
const char *val;
const char *exp;
int is_global;
} props[] = {
{ "request.required.acks", "0", "0" },
{ "request.required.acks", "-1", "-1" },
{ "request.required.acks", "1", "1" },
{ "acks", "3", "3" }, /* alias test */
{ "request.required.acks", "393", "393" },
{ "request.required.acks", "bad", NULL },
{ "request.required.acks", "all", "-1" },
{ "request.required.acks", "all", "-1", 1/*fallthru*/ },
{ "acks", "0", "0" }, /* alias test */
#if WITH_SASL
{ "sasl.mechanisms", "GSSAPI", "GSSAPI", 1 },
{ "sasl.mechanisms", "PLAIN", "PLAIN", 1 },
{ "sasl.mechanisms", "GSSAPI,PLAIN", NULL, 1 },
{ "sasl.mechanisms", "", NULL, 1 },
#endif
{ NULL }
};
TEST_SAY("Canonical tests\n");
tconf = rd_kafka_topic_conf_new();
conf = rd_kafka_conf_new();
for (i = 0 ; props[i].prop ; i++) {
char dest[64];
size_t destsz;
rd_kafka_conf_res_t res;
TEST_SAY(" Set: %s=%s expect %s (%s)\n",
props[i].prop, props[i].val, props[i].exp,
props[i].is_global ? "global":"topic");
/* Set value */
if (props[i].is_global)
res = rd_kafka_conf_set(conf,
props[i].prop,
props[i].val,
errstr, sizeof(errstr));
else
res = rd_kafka_topic_conf_set(tconf,
props[i].prop,
props[i].val,
errstr,
sizeof(errstr));
if ((res == RD_KAFKA_CONF_OK ? 1:0) !=
(props[i].exp ? 1:0))
TEST_FAIL("Expected %s, got %s",
props[i].exp ? "success" : "failure",
(res == RD_KAFKA_CONF_OK ? "OK" :
(res == RD_KAFKA_CONF_INVALID ? "INVALID" :
"UNKNOWN")));
if (!props[i].exp)
continue;
/* Get value and compare to expected result */
destsz = sizeof(dest);
if (props[i].is_global)
res = rd_kafka_conf_get(conf,
props[i].prop,
dest, &destsz);
else
res = rd_kafka_topic_conf_get(tconf,
props[i].prop,
dest, &destsz);
TEST_ASSERT(res == RD_KAFKA_CONF_OK,
".._conf_get(%s) returned %d",
props[i].prop, res);
TEST_ASSERT(!strcmp(props[i].exp, dest),
"Expected \"%s\", got \"%s\"",
props[i].exp, dest);
}
rd_kafka_topic_conf_destroy(tconf);
rd_kafka_conf_destroy(conf);
}
return 0;
}
VCL_STRING
vmod_send_msg(const struct vrt_ctx *ctx, VCL_STRING broker, VCL_STRING topic_name, VCL_STRING name)
{
char *p;
unsigned u, v;
char errstr[512];
char *brokers = (char*)broker;
char *topic = (char*)topic_name;
rd_kafka_topic_t *rkt;
int partition = RD_KAFKA_PARTITION_UA;
u = WS_Reserve(ctx->ws, 0); /* Reserve some work space */
p = ctx->ws->f; /* Front of workspace area */
v = snprintf(p, u, "%s", name);
v++;
if (v > u) {
/* No space, reset and leave */
WS_Release(ctx->ws, 0);
return (NULL);
}
/* Update work space with what we've used */
WS_Release(ctx->ws, v);
/*
* Producer
*/
//char buf[2048];
//char *buf= "essai de test du Test msg sur topic fred";
char *buf= name;
int sendcnt = 0;
/* Set up a message delivery report callback.
* It will be called once for each message, either on successful
* delivery to broker, or upon failure to deliver to broker. */
// rd_kafka_conf_set_dr_cb(conf, msg_delivered);
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new producer: %s\n",
errstr);
exit(1);
}
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
size_t len = strlen(buf);
if (buf[len-1] == '\n')
buf[--len] = '\0';
/* Send/Produce message. */
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
/* Payload and length */
buf, len,
/* Optional key and its length */
NULL, 0,
/* Message opaque, provided in
* delivery report callback as
* msg_opaque. */
NULL) == -1) {
fprintf(stderr,
"%% Failed to produce to topic %s "
"partition %i: %s\n",
rd_kafka_topic_name(rkt), partition,
rd_kafka_err2str(
rd_kafka_errno2err(errno)));
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
exit(2);
}
if (!quiet)
fprintf(stderr, "%% Sent %zd bytes to topic "
"%s partition %i\n",
len, rd_kafka_topic_name(rkt), partition);
sendcnt++;
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
/* Wait for messages to be delivered */
while ( rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 100);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy the handle */
rd_kafka_destroy(rk);
return (p);
}
/*
* kafka_consume_main
*
* Main function for Kafka consumers running as background workers
*/
void
kafka_consume_main(Datum arg)
{
char err_msg[512];
rd_kafka_topic_conf_t *topic_conf;
rd_kafka_t *kafka;
rd_kafka_topic_t *topic;
rd_kafka_message_t **messages;
const struct rd_kafka_metadata *meta;
struct rd_kafka_metadata_topic topic_meta;
rd_kafka_resp_err_t err;
bool found;
Oid id = (Oid) arg;
ListCell *lc;
KafkaConsumerProc *proc = hash_search(consumer_procs, &id, HASH_FIND, &found);
KafkaConsumer consumer;
CopyStmt *copy;
int valid_brokers = 0;
int i;
int my_partitions = 0;
if (!found)
elog(ERROR, "kafka consumer %d not found", id);
pqsignal(SIGTERM, kafka_consume_main_sigterm);
#define BACKTRACE_SEGFAULTS
#ifdef BACKTRACE_SEGFAULTS
pqsignal(SIGSEGV, debug_segfault);
#endif
/* we're now ready to receive signals */
BackgroundWorkerUnblockSignals();
/* give this proc access to the database */
BackgroundWorkerInitializeConnection(NameStr(proc->dbname), NULL);
/* load saved consumer state */
StartTransactionCommand();
load_consumer_state(proc->consumer_id, &consumer);
copy = get_copy_statement(&consumer);
topic_conf = rd_kafka_topic_conf_new();
kafka = rd_kafka_new(RD_KAFKA_CONSUMER, NULL, err_msg, sizeof(err_msg));
rd_kafka_set_logger(kafka, logger);
/*
* Add all brokers currently in pipeline_kafka_brokers
*/
if (consumer.brokers == NIL)
elog(ERROR, "no valid brokers were found");
foreach(lc, consumer.brokers)
valid_brokers += rd_kafka_brokers_add(kafka, lfirst(lc));
if (!valid_brokers)
elog(ERROR, "no valid brokers were found");
/*
* Set up our topic to read from
*/
topic = rd_kafka_topic_new(kafka, consumer.topic, topic_conf);
err = rd_kafka_metadata(kafka, false, topic, &meta, CONSUMER_TIMEOUT);
if (err != RD_KAFKA_RESP_ERR_NO_ERROR)
elog(ERROR, "failed to acquire metadata: %s", rd_kafka_err2str(err));
Assert(meta->topic_cnt == 1);
topic_meta = meta->topics[0];
load_consumer_offsets(&consumer, &topic_meta, proc->offset);
CommitTransactionCommand();
/*
* Begin consuming all partitions that this process is responsible for
*/
for (i = 0; i < topic_meta.partition_cnt; i++)
{
int partition = topic_meta.partitions[i].id;
Assert(partition <= consumer.num_partitions);
if (partition % consumer.parallelism != proc->partition_group)
continue;
elog(LOG, "[kafka consumer] %s <- %s consuming partition %d from offset %ld",
consumer.rel->relname, consumer.topic, partition, consumer.offsets[partition]);
if (rd_kafka_consume_start(topic, partition, consumer.offsets[partition]) == -1)
elog(ERROR, "failed to start consuming: %s", rd_kafka_err2str(rd_kafka_errno2err(errno)));
my_partitions++;
}
/*
* No point doing anything if we don't have any partitions assigned to us
*/
if (my_partitions == 0)
{
elog(LOG, "[kafka consumer] %s <- %s consumer %d doesn't have any partitions to read from",
consumer.rel->relname, consumer.topic, MyProcPid);
goto done;
}
messages = palloc0(sizeof(rd_kafka_message_t) * consumer.batch_size);
/*
* Consume messages until we are terminated
*/
while (!got_sigterm)
{
ssize_t num_consumed;
int i;
int messages_buffered = 0;
int partition;
StringInfoData buf;
bool xact = false;
for (partition = 0; partition < consumer.num_partitions; partition++)
{
if (partition % consumer.parallelism != proc->partition_group)
continue;
num_consumed = rd_kafka_consume_batch(topic, partition,
CONSUMER_TIMEOUT, messages, consumer.batch_size);
if (num_consumed <= 0)
continue;
if (!xact)
{
StartTransactionCommand();
xact = true;
}
initStringInfo(&buf);
for (i = 0; i < num_consumed; i++)
{
if (messages[i]->payload != NULL)
{
appendBinaryStringInfo(&buf, messages[i]->payload, messages[i]->len);
if (buf.len > 0 && buf.data[buf.len - 1] != '\n')
appendStringInfoChar(&buf, '\n');
messages_buffered++;
}
consumer.offsets[partition] = messages[i]->offset;
rd_kafka_message_destroy(messages[i]);
}
}
if (!xact)
{
pg_usleep(1 * 1000);
continue;
}
/* we don't want to die in the event of any errors */
PG_TRY();
{
if (messages_buffered)
execute_copy(copy, &buf);
}
PG_CATCH();
{
elog(LOG, "[kafka consumer] %s <- %s failed to process batch, dropped %d message%s:",
consumer.rel->relname, consumer.topic, (int) num_consumed, (num_consumed == 1 ? "" : "s"));
EmitErrorReport();
FlushErrorState();
AbortCurrentTransaction();
xact = false;
}
PG_END_TRY();
if (!xact)
StartTransactionCommand();
if (messages_buffered)
save_consumer_state(&consumer, proc->partition_group);
CommitTransactionCommand();
}
done:
hash_search(consumer_procs, &id, HASH_REMOVE, NULL);
rd_kafka_topic_destroy(topic);
rd_kafka_destroy(kafka);
rd_kafka_wait_destroyed(CONSUMER_TIMEOUT);
}
