/**
* @brief When rd_kafka_new() succeeds it takes ownership of the config object,
* but when it fails the config object remains in application custody.
* These tests makes sure that's the case (preferably run with valgrind)
*/
static void do_test_kafka_new_failures (void) {
rd_kafka_conf_t *conf;
rd_kafka_t *rk;
char errstr[512];
conf = rd_kafka_conf_new();
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr));
TEST_ASSERT(rk, "kafka_new() failed: %s", errstr);
rd_kafka_destroy(rk);
/* Set an erroneous configuration value that is not checked
* by conf_set() but by rd_kafka_new() */
conf = rd_kafka_conf_new();
if (rd_kafka_conf_set(conf, "partition.assignment.strategy",
"range,thiswillfail", errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s", errstr);
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr));
TEST_ASSERT(!rk, "kafka_new() should have failed");
/* config object should still belong to us,
* correct the erroneous config and try again. */
if (rd_kafka_conf_set(conf, "partition.assignment.strategy", NULL,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s", errstr);
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr));
TEST_ASSERT(rk, "kafka_new() failed: %s", errstr);
rd_kafka_destroy(rk);
}
/**
* @brief setup_kafka initialises librdkafka based on the config
* wrapped in kafka_t
* @param k kafka configuration
**/
int setup_kafka(kafka_t* k)
{
char* brokers = "localhost:9092";
char* zookeepers = NULL;
char* topic = "bloh";
config* fk_conf = (config*) fuse_get_context()->private_data;
if(fk_conf->zookeepers_n > 0) zookeepers = fk_conf->zookeepers[0];
if(fk_conf->brokers_n > 0) brokers = fk_conf->brokers[0];
topic = fk_conf->topic[0];
rd_kafka_topic_conf_t *topic_conf;
rd_kafka_conf_t *conf;
conf = rd_kafka_conf_new();
rd_kafka_conf_set_dr_cb(conf, msg_delivered);
if(rd_kafka_conf_set(conf, "debug", "all",
errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK ||
rd_kafka_conf_set(conf, "batch.num.messages", "1",
errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK) {
printf("%% Debug configuration failed: %s: %s\n",
errstr, "all");
return(1);
}
if (!(k->rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new producer: %s\n",
errstr);
return(1);
}
rd_kafka_set_logger(k->rk, logger);
rd_kafka_set_log_level(k->rk, 7);
if (zookeepers != NULL)
{
initialize_zookeeper(zookeepers, k);
return 0;
}
else
{
if (rd_kafka_brokers_add(k->rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
return(1);
}
topic_conf = rd_kafka_topic_conf_new();
k->rkt = rd_kafka_topic_new(k->rk, topic, topic_conf);
if(k->rkt == NULL)
printf("topic %s creation failed\n", topic);
return k->rkt == NULL;
}
}
int Http::kafka_consumer_::Init(const int partition, const char* topic, const char* brokers, MsgConsume msg_consume) {
char err_str[512];
partition_ = partition;
msg_consume_ = msg_consume;
rd_kafka_conf_t *conf = rd_kafka_conf_new();
if (NULL == conf) {
return -1;
}
rd_kafka_conf_set(conf, "batch.num.messages", "100", err_str, sizeof(err_str));
if (!(rk_ = rd_kafka_new(RD_KAFKA_CONSUMER, conf, err_str, sizeof(err_str)))) {
return -1;
}
rd_kafka_set_log_level(rk_, 1);
if (rd_kafka_brokers_add(rk_, brokers) == 0) {
return -1;
}
rd_kafka_topic_conf_t *topic_conf = rd_kafka_topic_conf_new();
rkt_ = rd_kafka_topic_new(rk_, topic, topic_conf);
if (NULL == rkt_) {
return -1;
}
//RD_KAFKA_OFFSET_BEGINNING，从partition消息队列的开始进行consume；
//RD_KAFKA_OFFSET_END：从partition中的将要produce的下一条信息开始（忽略即当前所有的消息)
if (rd_kafka_consume_start(this->rkt_, partition, RD_KAFKA_OFFSET_END) == -1) {
return -1;
}
return 1;
}
void test_conf_set (rd_kafka_conf_t *conf, const char *name, const char *val) {
char errstr[512];
if (rd_kafka_conf_set(conf, name, val, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("Failed to set config \"%s\"=\"%s\": %s\n",
name, val, errstr);
}
static void parse_rdkafka_keyval_config(rd_kafka_conf_t *rk_conf,
rd_kafka_topic_conf_t *rkt_conf,
const char *key,
const char *value) {
// Extracted from Magnus Edenhill's kafkacat
rd_kafka_conf_res_t res;
char errstr[512];
const char *name = key + strlen(CONFIG_RDKAFKA_KEY);
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(rkt_conf,
name + strlen("topic."),
value,
errstr,
sizeof(errstr));
}
if (res == RD_KAFKA_CONF_UNKNOWN) {
res = rd_kafka_conf_set(
rk_conf, name, value, errstr, sizeof(errstr));
}
if (res != RD_KAFKA_CONF_OK) {
rdlog(LOG_ERR, "rdkafka: %s", errstr);
}
}
void kfc_rdkafka_init(rd_kafka_type_t type) {
char errstr[512];
if (type == RD_KAFKA_PRODUCER) {
char tmp[16];
snprintf(tmp, sizeof(tmp), "%i", SIGIO);
rd_kafka_conf_set(conf.rk_conf, "internal.termination.signal",
tmp, NULL, 0);
}
/* Create handle */
if (!(conf.rk = rd_kafka_new(type, conf.rk_conf,
errstr, sizeof(errstr))))
FATAL("Failed to create rd_kafka struct: %s", errstr);
rd_kafka_set_logger(conf.rk, rd_kafka_log_print);
if (conf.debug)
rd_kafka_set_log_level(conf.rk, LOG_DEBUG);
else if (conf.verbosity == 0)
rd_kafka_set_log_level(conf.rk, 0);
/* Create topic, if specified */
if (conf.topic &&
!(conf.rkt = rd_kafka_topic_new(conf.rk, conf.topic,
conf.rkt_conf)))
FATAL("Failed to create rk_kafka_topic %s: %s", conf.topic,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
conf.rk_conf = NULL;
conf.rkt_conf = NULL;
}
void p_kafka_set_fallback(struct p_kafka_host *kafka_host, char *fallback)
{
int res;
char errstr[SRVBUFLEN];
if (kafka_host && kafka_host->cfg && fallback) {
res = rd_kafka_conf_set(kafka_host->cfg, "api.version.request", "false", errstr, sizeof(errstr));
if (res != RD_KAFKA_CONF_OK)
Log(LOG_WARNING, "WARN ( %s/%s ): p_kafka_set_fallback(): api.version.request=false failed: %s\n",
config.name, config.type, errstr);
res = rd_kafka_conf_set(kafka_host->cfg, "broker.version.fallback", fallback, errstr, sizeof(errstr));
if (res != RD_KAFKA_CONF_OK)
Log(LOG_WARNING, "WARN ( %s/%s ): p_kafka_set_fallback(): broker.version.fallback=%s failed: %s\n",
config.name, config.type, fallback, errstr);
}
}
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;
}
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;
}
int consumer_init(const int partition, const char* topic, const char* brokers, Consume_Data consume_data, wrapper_Info* producer_info)
{
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
rd_kafka_t *rk;
char errstr[512];
producer_info->start_offset = RD_KAFKA_OFFSET_END;
producer_info->partition = partition;
if (NULL != consume_data)
producer_info->func_consume_data = consume_data;
else
return CONSUMER_INIT_FAILED;
/* Kafka configuration */
conf = rd_kafka_conf_new();
if (NULL == conf)
return CONSUMER_INIT_FAILED;
if (RD_KAFKA_CONF_OK != rd_kafka_conf_set(conf, "group.id", "one", errstr, sizeof(errstr)))
return CONSUMER_INIT_FAILED;
/* 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);
return CONSUMER_INIT_FAILED;
}
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");
return CONSUMER_INIT_FAILED;
}
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
/* Create topic */
producer_info->rkt = rd_kafka_topic_new(rk, topic, topic_conf);
producer_info->rk = rk;
/* Start consuming */
if (rd_kafka_consume_start(producer_info->rkt, partition, RD_KAFKA_OFFSET_END) == -1){
fprintf(stderr, "%% Failed to start consuming: %s\n",
rd_kafka_err2str(rd_kafka_errno2err(errno)));
return CONSUMER_INIT_FAILED;
}
return CONSUMER_INIT_SUCCESS;
}
rd_kafka_t *kafka_set_connection(rd_kafka_type_t type, const char *b, int report_level, const char *compression)
{
rd_kafka_t *r = NULL;
char *tmp = brokers;
char errstr[512];
rd_kafka_conf_t *conf = rd_kafka_conf_new();
if (!(r = rd_kafka_new(type, conf, errstr, sizeof(errstr)))) {
if (log_level) {
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_INFO, "phpkafka - failed to create new producer: %s", errstr);
}
exit(1);
}
/* Add brokers */
if (rd_kafka_brokers_add(r, b) == 0) {
if (log_level) {
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_INFO, "php kafka - No valid brokers specified");
}
exit(1);
}
/* 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. */
if (type == RD_KAFKA_PRODUCER)
{
if (compression && !strcmp(compression, "none"))
{//silently fail on error ATM...
if (RD_KAFKA_CONF_OK != rd_kafka_conf_set(conf, "compression.codec", compression, errstr, sizeof errstr))
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_INFO, "Failed to set compression to %s", compression);
}
}
}
if (report_level == 1)
rd_kafka_conf_set_dr_cb(conf, kafka_produce_cb_simple);
else if (report_level == 2)
rd_kafka_conf_set_dr_msg_cb(conf, kafka_produce_detailed_cb);
}
rd_kafka_conf_set_error_cb(conf, kafka_err_cb);
if (log_level) {
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_INFO, "phpkafka - using: %s", brokers);
}
return r;
}
/**
* @brief Local test: test event generation
*/
int main_0039_event (int argc, char **argv) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
rd_kafka_queue_t *eventq;
int waitevent = 1;
/* Set up a config with ERROR events enabled and
* configure an invalid broker so that _TRANSPORT or ALL_BROKERS_DOWN
* is promptly generated. */
conf = rd_kafka_conf_new();
rd_kafka_conf_set_events(conf, RD_KAFKA_EVENT_ERROR);
rd_kafka_conf_set(conf, "bootstrap.servers", "0:65534", NULL, 0);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
eventq = rd_kafka_queue_get_main(rk);
while (waitevent) {
rd_kafka_event_t *rkev;
rkev = rd_kafka_queue_poll(eventq, 1000);
switch (rd_kafka_event_type(rkev))
{
case RD_KAFKA_EVENT_ERROR:
TEST_SAY("Got %s%s event: %s: %s\n",
rd_kafka_event_error_is_fatal(rkev) ?
"FATAL " : "",
rd_kafka_event_name(rkev),
rd_kafka_err2name(rd_kafka_event_error(rkev)),
rd_kafka_event_error_string(rkev));
waitevent = 0;
break;
default:
TEST_SAY("Unhandled event: %s\n",
rd_kafka_event_name(rkev));
break;
}
rd_kafka_event_destroy(rkev);
}
rd_kafka_queue_destroy(eventq);
/* Destroy rdkafka instance */
TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
rd_kafka_destroy(rk);
return 0;
}
int producer_init(const int partition, const char* topic, const char* brokers, Msg_Delivered func_msg_delivered, wrapper_Info* producer_info)
{
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
rd_kafka_t *rk;
char errstr[512];
producer_info->partition = partition;
strcpy(producer_info->topic, topic);
if (NULL != func_msg_delivered)
producer_info->func_msg_delivered = func_msg_delivered;
else
return PRODUCER_INIT_FAILED;
/* Kafka configuration */
conf = rd_kafka_conf_new();
if (RD_KAFKA_CONF_OK != rd_kafka_conf_set(conf, "queue.buffering.max.messages", "500000", NULL, 0))
return PRODUCER_INIT_FAILED;
/* Set logger */
rd_kafka_conf_set_log_cb(conf, logger);
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
rd_kafka_conf_set_dr_cb(conf, func_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);
return PRODUCER_INIT_FAILED;
}
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
return PRODUCER_INIT_FAILED;
}
/* Create topic */
producer_info->rkt = rd_kafka_topic_new(rk, topic, topic_conf);
producer_info->rk = rk;
return PRODUCER_INIT_SUCCESS;
}
/**
* Creates and sets up kafka configuration objects.
* Will read "test.conf" file if it exists.
*/
void test_conf_init (rd_kafka_conf_t **conf, rd_kafka_topic_conf_t **topic_conf,
int timeout) {
char buf[512];
const char *test_conf =
#ifndef _MSC_VER
getenv("RDKAFKA_TEST_CONF") ? getenv("RDKAFKA_TEST_CONF") :
#endif
"test.conf";
if (conf) {
#ifndef _MSC_VER
char *tmp;
#endif
*conf = rd_kafka_conf_new();
rd_kafka_conf_set_error_cb(*conf, test_error_cb);
rd_kafka_conf_set_stats_cb(*conf, test_stats_cb);
#ifndef _MSC_VER
if ((tmp = getenv("TEST_DEBUG")) && *tmp)
test_conf_set(*conf, "debug", tmp);
#endif
#ifdef SIGIO
/* Quick termination */
rd_snprintf(buf, sizeof(buf), "%i", SIGIO);
rd_kafka_conf_set(*conf, "internal.termination.signal",
buf, NULL, 0);
signal(SIGIO, SIG_IGN);
#endif
}
if (topic_conf)
*topic_conf = rd_kafka_topic_conf_new();
/* Open and read optional local test configuration file, if any. */
test_read_conf_file(test_conf,
conf ? *conf : NULL,
topic_conf ? *topic_conf : NULL, &timeout);
if (timeout)
test_timeout_set(timeout);
}
int kafka_consumer_::Init(const int partition, const char* topic, const char* brokers, MsgConsume msg_consume)
{
char err_str[512];
partition_ = partition;
msg_consume_ = msg_consume;
printf("partition=%d, topic=%s, brokers=%s\n", partition, topic, brokers);
rd_kafka_conf_t *conf = rd_kafka_conf_new();
if (NULL == conf)
return CONSUMER_INIT_FAILED;
if (RD_KAFKA_CONF_OK != rd_kafka_conf_set(conf, "group.id", "one", err_str, sizeof(err_str)))
return CONSUMER_INIT_FAILED;
// rd_kafka_conf_set(conf, "queued.min.messages", "1000000", NULL, 0);
if (!(rk_ = rd_kafka_new(RD_KAFKA_CONSUMER, conf,
err_str, sizeof(err_str)))) {
printf("%% Failed to create new consumer: %s\n",err_str);
return CONSUMER_INIT_FAILED;
}
//rd_kafka_set_log_level(rk_, LOG_DEBUG);
if (rd_kafka_brokers_add(rk_, brokers) == 0) {
printf("%% No valid brokers specified\n");
return CONSUMER_INIT_FAILED;
}
rd_kafka_topic_conf_t *topic_conf = rd_kafka_topic_conf_new();
rkt_ = rd_kafka_topic_new(rk_, topic, topic_conf);
if (NULL == rkt_)
{
printf("topic creat failed\n");
return CONSUMER_INIT_FAILED;
}
printf("rkt_=%p,partition=%d\n", rkt_, partition);
if (rd_kafka_consume_start(this->rkt_, partition, RD_KAFKA_OFFSET_END) == -1){
printf("Failed to start consuming:");
return CONSUMER_INIT_FAILED;
}
return CONSUMER_INIT_SUCCESS;
}
static void om_kafka_init(nx_module_t *module) {
log_debug("Kafka module init entrypoint");
char errstr[512];
nx_om_kafka_conf_t* modconf;
modconf = (nx_om_kafka_conf_t*) module->config;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
rd_kafka_conf_set_dr_cb(conf, msg_delivered);
if (rd_kafka_conf_set(conf, "compression.codec", modconf->compression, errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK) {
log_error("Unable to set compression codec %s", modconf->compression);
} else {
log_info("Kafka compression set to %s", modconf->compression);
}
if (!(modconf->rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr)))) {
log_error("Failed to create new producer: %s\n", errstr);
}
if (rd_kafka_brokers_add(modconf->rk, modconf->brokerlist) == 0) {
log_error("No valid brokers specified (%s)", modconf->brokerlist);
} else {
log_info("Kafka brokers set to %s", modconf->brokerlist);
}
modconf->rkt = rd_kafka_topic_new(modconf->rk, modconf->topic, topic_conf);
modconf->kafka_conf = conf;
modconf->topic_conf = topic_conf;
}
void p_kafka_apply_global_config(struct p_kafka_host *kafka_host)
{
FILE *file;
char buf[SRVBUFLEN], errstr[SRVBUFLEN], *key, *value;
int lineno = 1, ret;
if (kafka_host && kafka_host->config_file && kafka_host->cfg) {
if ((file = fopen(kafka_host->config_file, "r")) == NULL) {
Log(LOG_WARNING, "WARN ( %s/%s ): [%s] file not found. librdkafka global config not loaded.\n", config.name, config.type, kafka_host->config_file);
return;
}
else Log(LOG_INFO, "INFO ( %s/%s ): [%s] Reading librdkafka global config.\n", config.name, config.type, kafka_host->config_file);
while (!feof(file)) {
if (fgets(buf, SRVBUFLEN, file)) {
if ((ret = p_kafka_parse_config_entry(buf, "global", &key, &value)) > 0) {
ret = rd_kafka_conf_set(kafka_host->cfg, key, value, errstr, sizeof(errstr));
if (ret != RD_KAFKA_CONF_OK) {
Log(LOG_WARNING, "WARN ( %s/%s ): [%s:%u] key=%s value=%s failed: %s\n",
config.name, config.type, kafka_host->config_file, lineno, key, value, errstr);
}
}
else {
if (ret == ERR) {
Log(LOG_WARNING, "WARN ( %s/%s ): [%s:%u] Line malformed. Ignored.", config.name, config.type, kafka_host->config_file, lineno);
continue;
}
}
}
lineno++;
}
fclose(file);
}
}
int main (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 */
"compression.codec", "gzip", /* S2I property */
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("generic", 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 = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
rkt = rd_kafka_topic_new(rk, topic, tconf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* copied */
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf2,
errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
rkt = rd_kafka_topic_new(rk, topic, tconf2);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* Wait for everything to be cleaned up since broker destroys are
* handled in its own thread. */
test_wait_exit(2);
/* If we havent failed at this point then
* there were no threads leaked */
return 0;
}
static PyObject *
RdkHandle_configure(RdkHandle *self, PyObject *args, PyObject *kwds)
{
char *keywords[] = {"conf", "topic_conf", NULL};
PyObject *conf = NULL;
PyObject *topic_conf = NULL;
if (! PyArg_ParseTupleAndKeywords(args,
kwds,
"|OO",
keywords,
&conf,
&topic_conf)) {
return NULL;
}
if (RdkHandle_safe_lock(self, /* check_running= */ 0)) return NULL;
if ((conf && topic_conf) || (!conf && !topic_conf)) {
return set_pykafka_error(
"RdKafkaException",
"You need to specify *either* `conf` *or* `topic_conf`.");
}
if (self->rdk_handle) {
return set_pykafka_error(
"RdKafkaException",
"Cannot configure: seems instance was started already?");
}
Py_BEGIN_ALLOW_THREADS /* avoid callbacks deadlocking */
if (! self->rdk_conf) {
self->rdk_conf = rd_kafka_conf_new();
rd_kafka_conf_set_log_cb(self->rdk_conf, logging_callback);
}
if (! self->rdk_topic_conf) {
self->rdk_topic_conf = rd_kafka_topic_conf_new();
}
Py_END_ALLOW_THREADS
PyObject *retval = Py_None;
PyObject *conf_or_topic_conf = topic_conf ? topic_conf : conf;
Py_ssize_t i, len = PyList_Size(conf_or_topic_conf);
for (i = 0; i != len; ++i) {
PyObject *conf_pair = PyList_GetItem(conf_or_topic_conf, i);
const char *name = NULL;
const char *value = NULL;
if (! PyArg_ParseTuple(conf_pair, "ss", &name, &value)) {
retval = NULL;
break;
}
char errstr[512];
rd_kafka_conf_res_t res;
Py_BEGIN_ALLOW_THREADS /* avoid callbacks deadlocking */
if (topic_conf) {
res = rd_kafka_topic_conf_set(
self->rdk_topic_conf, name, value, errstr, sizeof(errstr));
} else {
res = rd_kafka_conf_set(
self->rdk_conf, name, value, errstr, sizeof(errstr));
}
Py_END_ALLOW_THREADS
if (res != RD_KAFKA_CONF_OK) {
retval = set_pykafka_error("RdKafkaException", errstr);
break;
}
}
if (RdkHandle_unlock(self)) return NULL;
Py_XINCREF(retval);
return retval;
}
/* transmitter worker */
void *kaf_worker(void *thread_id) {
char buf[MAX_BUF], *b;
int rc=-1, nr, len, l, count=0,kr;
/* kafka connection setup */
char errstr[512];
rd_kafka_t *k;
rd_kafka_topic_t *t;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
int partition = RD_KAFKA_PARTITION_UA;
char *key = NULL;
int keylen = key ? strlen(key) : 0;
/* set up global options */
conf = rd_kafka_conf_new();
rd_kafka_conf_set_error_cb(conf, err_cb);
//rd_kafka_conf_set_throttle_cb(conf, throttle_cb);
rd_kafka_conf_set_stats_cb(conf, stats_cb);
kr = rd_kafka_conf_set(conf, "statistics.interval.ms", "60000", errstr, sizeof(errstr));
if (kr != RD_KAFKA_CONF_OK) {
fprintf(stderr,"error: rd_kafka_conf_set: statistics.interval.ms 60000 => %s\n", errstr);
goto done;
}
char **opt=NULL;
while( (opt=(char **)utarray_next(CF.rdkafka_options,opt))) {
char *eq = strchr(*opt,'=');
if (eq == NULL) {
fprintf(stderr,"error: specify rdkafka params as key=value\n");
goto done;
}
char *k = strdup(*opt), *v;
k[eq-*opt] = '\0';
v = &k[eq-*opt + 1];
if (CF.verbose) fprintf(stderr,"setting %s %s\n", k, v);
kr = rd_kafka_conf_set(conf, k, v, errstr, sizeof(errstr));
if (kr != RD_KAFKA_CONF_OK) {
fprintf(stderr,"error: rd_kafka_conf_set: %s %s => %s\n", k, v, errstr);
goto done;
}
free(k);
}
/* set up topic options */
topic_conf = rd_kafka_topic_conf_new();
opt=NULL;
while( (opt=(char **)utarray_next(CF.rdkafka_topic_options,opt))) {
char *eq = strchr(*opt,'=');
if (eq == NULL) {
fprintf(stderr,"error: specify rdkafka topic params as key=value\n");
goto done;
}
char *k = strdup(*opt), *v;
k[eq-*opt] = '\0';
v = &k[eq-*opt + 1];
if (CF.verbose) fprintf(stderr,"setting %s %s\n", k, v);
kr = rd_kafka_topic_conf_set(topic_conf, k, v, errstr, sizeof(errstr));
if (kr != RD_KAFKA_CONF_OK) {
fprintf(stderr,"error: rd_kafka_conf_set: %s %s => %s\n", k, v, errstr);
goto done;
}
free(k);
}
k = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr));
if (k == NULL) {
fprintf(stderr, "rd_kafka_new: %s\n", errstr);
goto done;
}
if (rd_kafka_brokers_add(k, CF.broker) < 1) {
fprintf(stderr, "invalid broker\n");
goto done;
}
t = rd_kafka_topic_new(k, CF.topic, topic_conf);
while (CF.shutdown == 0) {
len = nn_recv(CF.egress_socket_pull, buf, MAX_BUF, 0);
if (len < 0) {
fprintf(stderr,"nn_recv: %s\n", nn_strerror(errno));
goto done;
}
rc = rd_kafka_produce(t, partition, RD_KAFKA_MSG_F_COPY, buf, len,
key, keylen, NULL);
if (rc == -1) {
fprintf(stderr,"rd_kafka_produce: %s %s\n",
rd_kafka_err2str( rd_kafka_errno2err(errno)),
((errno == ENOBUFS) ? "(backpressure)" : ""));
goto done;
}
// cause rdkafka to invoke optional callbacks (msg delivery reports or error)
if ((++count % 1000) == 0) rd_kafka_poll(k, 0);
if (thread_id == 0) {
/* only emit these stats from the first worker thread (not thread safe) */
ts_add(CF.kaf_bytes_ts, CF.now, &len);
ts_add(CF.kaf_msgs_ts, CF.now, NULL);
}
}
rc = 0;
done:
CF.shutdown = 1;
return NULL;
}
/**
* Creates and sets up kafka configuration objects.
* Will read "test.conf" file if it exists.
*/
void test_conf_init (rd_kafka_conf_t **conf, rd_kafka_topic_conf_t **topic_conf,
int timeout) {
FILE *fp;
char buf[512];
int line = 0;
const char *test_conf =
#ifndef _MSC_VER
getenv("RDKAFKA_TEST_CONF") ? getenv("RDKAFKA_TEST_CONF") :
#endif
"test.conf";
char errstr[512];
test_init();
if (conf) {
*conf = rd_kafka_conf_new();
rd_kafka_conf_set_error_cb(*conf, test_error_cb);
#ifdef SIGIO
/* Quick termination */
rd_snprintf(buf, sizeof(buf), "%i", SIGIO);
rd_kafka_conf_set(*conf, "internal.termination.signal",
buf, NULL, 0);
signal(SIGIO, SIG_IGN);
#endif
}
if (topic_conf)
*topic_conf = rd_kafka_topic_conf_new();
/* Open and read optional local test configuration file, if any. */
#ifndef _MSC_VER
fp = fopen(test_conf, "r");
#else
fp = NULL;
errno = fopen_s(&fp, test_conf, "r");
#endif
if (!fp) {
if (errno == ENOENT)
TEST_FAIL("%s not found\n", test_conf);
else
TEST_FAIL("Failed to read %s: errno %i",
test_conf, errno);
}
while (fgets(buf, sizeof(buf)-1, fp)) {
char *t;
char *b = buf;
rd_kafka_conf_res_t res = RD_KAFKA_CONF_UNKNOWN;
char *name, *val;
line++;
if ((t = strchr(b, '\n')))
*t = '\0';
if (*b == '#' || !*b)
continue;
if (!(t = strchr(b, '=')))
TEST_FAIL("%s:%i: expected name=value format\n",
test_conf, line);
name = b;
*t = '\0';
val = t+1;
if (!strcmp(name, "test.timeout.multiplier")) {
timeout = (int)((float)timeout * strtod(val, NULL));
res = RD_KAFKA_CONF_OK;
} else if (!strcmp(name, "test.topic.prefix")) {
rd_snprintf(test_topic_prefix, sizeof(test_topic_prefix),
"%s", val);
res = RD_KAFKA_CONF_OK;
} else if (!strcmp(name, "test.topic.random")) {
if (!strcmp(val, "true") ||
!strcmp(val, "1"))
test_topic_random = 1;
else
test_topic_random = 0;
res = RD_KAFKA_CONF_OK;
} else if (!strncmp(name, "topic.", strlen("topic."))) {
name += strlen("topic.");
if (topic_conf)
res = rd_kafka_topic_conf_set(*topic_conf,
name, val,
errstr,
sizeof(errstr));
else
res = RD_KAFKA_CONF_OK;
name -= strlen("topic.");
}
if (res == RD_KAFKA_CONF_UNKNOWN) {
if (conf)
res = rd_kafka_conf_set(*conf,
name, val,
errstr, sizeof(errstr));
else
res = RD_KAFKA_CONF_OK;
}
if (res != RD_KAFKA_CONF_OK)
TEST_FAIL("%s:%i: %s\n",
test_conf, line, errstr);
}
fclose(fp);
if (timeout) {
/* Limit the test run time. */
#ifndef _MSC_VER
alarm(timeout);
signal(SIGALRM, sig_alarm);
#endif
}
}
static int kafka_config(oconfig_item_t *ci) /* {{{ */
{
int i;
oconfig_item_t *child;
rd_kafka_conf_t *conf;
rd_kafka_conf_t *cloned;
rd_kafka_conf_res_t ret;
char errbuf[1024];
if ((conf = rd_kafka_conf_new()) == NULL) {
WARNING("cannot allocate kafka configuration.");
return -1;
}
for (i = 0; i < ci->children_num; i++) {
child = &ci->children[i];
if (strcasecmp("Topic", child->key) == 0) {
if ((cloned = rd_kafka_conf_dup(conf)) == NULL) {
WARNING("write_kafka plugin: cannot allocate memory for kafka config");
goto errout;
}
kafka_config_topic (cloned, child);
} else if (strcasecmp(child->key, "Property") == 0) {
char *key = NULL;
char *val = NULL;
if (child->values_num != 2) {
WARNING("kafka properties need both a key and a value.");
goto errout;
}
if (child->values[0].type != OCONFIG_TYPE_STRING ||
child->values[1].type != OCONFIG_TYPE_STRING) {
WARNING("kafka properties needs string arguments.");
goto errout;
}
if ((key = strdup(child->values[0].value.string)) == NULL) {
WARNING("cannot allocate memory for attribute key.");
goto errout;
}
if ((val = strdup(child->values[1].value.string)) == NULL) {
WARNING("cannot allocate memory for attribute value.");
goto errout;
}
ret = rd_kafka_conf_set(conf, key, val, errbuf, sizeof(errbuf));
if (ret != RD_KAFKA_CONF_OK) {
WARNING("cannot set kafka property %s to %s: %s",
key, val, errbuf);
goto errout;
}
sfree(key);
sfree(val);
} else {
WARNING ("write_kafka plugin: Ignoring unknown "
"configuration option \"%s\" at top level.",
child->key);
}
}
if (conf != NULL)
rd_kafka_conf_destroy(conf);
return (0);
errout:
if (conf != NULL)
rd_kafka_conf_destroy(conf);
return -1;
} /* }}} int kafka_config */
int main (int argc, char **argv) {
char *topic = "rdkafkatest1";
int partition = 0;
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
char msg[100000];
int msgcnt = 10;
int i;
test_conf_init(&conf, &topic_conf, 10);
/* Set a small maximum message size. */
if (rd_kafka_conf_set(conf, "message.max.bytes", "100000",
errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_cb);
/* Create kafka instance */
rk = rd_kafka_new(RD_KAFKA_PRODUCER, 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));
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
memset(msg, 0, sizeof(msg));
/* Produce 'msgcnt' messages, size odd ones larger than max.bytes,
* and even ones smaller than max.bytes. */
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
size_t len;
int toobig = i & 1;
*msgidp = i;
if (toobig) {
/* Too big */
len = 200000;
} else {
/* Good size */
len = 5000;
msgs_wait |= (1 << i);
}
snprintf(msg, sizeof(msg), "%s test message #%i", argv[0], i);
r = rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
msg, len, NULL, 0, msgidp);
if (toobig) {
if (r != -1)
TEST_FAIL("Succeeded to produce too "
"large message #%i\n", i);
free(msgidp);
} else if (r == -1)
TEST_FAIL("Failed to produce message #%i: %s\n",
i, strerror(errno));
}
/* Wait for messages to be delivered. */
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 50);
if (msgs_wait != 0)
TEST_FAIL("Still waiting for messages: 0x%x\n", msgs_wait);
/* 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);
/* Wait for everything to be cleaned up since broker destroys are
* handled in its own thread. */
test_wait_exit(10);
/* If we havent failed at this point then
* there were no threads leaked */
return 0;
}
static void test_read_conf_file (const char *conf_path,
rd_kafka_conf_t *conf,
rd_kafka_topic_conf_t *topic_conf,
int *timeoutp) {
FILE *fp;
char buf[512];
int line = 0;
#ifndef _MSC_VER
fp = fopen(conf_path, "r");
#else
fp = NULL;
errno = fopen_s(&fp, conf_path, "r");
#endif
if (!fp) {
if (errno == ENOENT) {
TEST_SAY("Test config file %s not found\n", conf_path);
return;
} else
TEST_FAIL("Failed to read %s: %s",
conf_path, strerror(errno));
}
while (fgets(buf, sizeof(buf)-1, fp)) {
char *t;
char *b = buf;
rd_kafka_conf_res_t res = RD_KAFKA_CONF_UNKNOWN;
char *name, *val;
char errstr[512];
line++;
if ((t = strchr(b, '\n')))
*t = '\0';
if (*b == '#' || !*b)
continue;
if (!(t = strchr(b, '=')))
TEST_FAIL("%s:%i: expected name=value format\n",
conf_path, line);
name = b;
*t = '\0';
val = t+1;
if (!strcmp(name, "test.timeout.multiplier")) {
TEST_LOCK();
test_timeout_multiplier = strtod(val, NULL);
TEST_UNLOCK();
*timeoutp = tmout_multip((*timeoutp)*1000) / 1000;
res = RD_KAFKA_CONF_OK;
} else if (!strcmp(name, "test.topic.prefix")) {
rd_snprintf(test_topic_prefix, sizeof(test_topic_prefix),
"%s", val);
res = RD_KAFKA_CONF_OK;
} else if (!strcmp(name, "test.topic.random")) {
if (!strcmp(val, "true") ||
!strcmp(val, "1"))
test_topic_random = 1;
else
test_topic_random = 0;
res = RD_KAFKA_CONF_OK;
} else if (!strcmp(name, "test.concurrent.max")) {
TEST_LOCK();
test_concurrent_max = strtod(val, NULL);
TEST_UNLOCK();
res = RD_KAFKA_CONF_OK;
} else if (!strncmp(name, "topic.", strlen("topic."))) {
name += strlen("topic.");
if (topic_conf)
res = rd_kafka_topic_conf_set(topic_conf,
name, val,
errstr,
sizeof(errstr));
else
res = RD_KAFKA_CONF_OK;
name -= strlen("topic.");
}
if (res == RD_KAFKA_CONF_UNKNOWN) {
if (conf)
res = rd_kafka_conf_set(conf,
name, val,
errstr, sizeof(errstr));
else
res = RD_KAFKA_CONF_OK;
}
if (res != RD_KAFKA_CONF_OK)
TEST_FAIL("%s:%i: %s\n",
conf_path, line, errstr);
}
fclose(fp);
}
static void producer_argparse (int argc, char **argv) {
char errstr[512];
char **left_argv;
int opt;
int option_index = 0;
int left_argc = 0;
while ((opt = getopt_long(argc, argv,
"b:p:d:k:c:z:uTX:E:vq",
producer_long_options,
&option_index)) != -1) {
switch (opt) {
case 'p':
conf.partition = atoi(optarg);
break;
case 'b':
conf.brokers = optarg;
break;
case 'z':
if (rd_kafka_conf_set(conf.rk_conf,
"compression.codec", optarg,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
FATAL("%s", errstr);
break;
case 'd':
conf.delim = parse_delim(optarg);
break;
case 'k':
conf.key_delim = parse_delim(optarg);
conf.flags |= CONF_F_KEY_DELIM;
break;
case 'c':
conf.msg_cnt = strtoll(optarg, NULL, 10);
break;
case 'q':
conf.verbosity = 0;
break;
case 'v':
conf.verbosity++;
break;
case 'T':
conf.flags |= CONF_F_TEE;
break;
case 'u':
setbuf(stdout, NULL);
break;
case 'E':
conf.fd_err = fopen(optarg, "a");
if (conf.fd_err == NULL)
FATAL("Couldn't open error file %s: %s\n", optarg, strerror(errno));
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")) {
conf.conf_dump = 1;
continue;
}
name = optarg;
if (!(val = strchr(name, '='))) {
fprintf(stderr, "%% Expected "
"-X property=value, not %s, "
"use -X list to display available "
"properties\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(conf.rkt_conf,
name+
strlen("topic."),
val,
errstr,
sizeof(errstr));
if (res == RD_KAFKA_CONF_UNKNOWN)
res = rd_kafka_conf_set(conf.rk_conf, name, val,
errstr, sizeof(errstr));
if (res != RD_KAFKA_CONF_OK)
FATAL("%s", errstr);
}
break;
default:
usage(argv[0], 1, NULL);
break;
}
}
/* Validate topic */
if (argc - optind == 0)
usage(argv[0], 1, "topic missing");
else
conf.topic = argv[optind++];
/* Validate broker list */
if (rd_kafka_conf_set(conf.rk_conf, "metadata.broker.list",
conf.brokers, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
usage(argv[0], 1, errstr);
/* Set message error log file descriptor */
if(conf.fd_err == NULL)
conf.fd_err = stderr;
/* Retrieve input files */
left_argc = argc - optind;
conf.n_inputs = (left_argc == 0) ? 1 : left_argc;
left_argv = &argv[optind];
conf.inputs = calloc(conf.n_inputs, sizeof(char *));
if (left_argc == 0 ||
(left_argc == 1 && !strcmp(left_argv[0], "-"))) {
/* Defaults to stdin if no file is passed or if single '-' */
conf.inputs[0] = stdin;
} else {
for (int i = 0; i < conf.n_inputs; i++) {
FILE *fd = fopen(left_argv[i], "r");
if (fd == NULL)
FATAL("Failed to open %s: %s\n", left_argv[i], strerror(errno));
conf.inputs[i] = fd;
}
}
}
int main (int argc, char **argv) {
char *brokers = "localhost";
char mode = 'C';
char *topic = NULL;
const char *key = NULL;
int partition = RD_KAFKA_PARTITION_UA; /* random */
int opt;
int msgcnt = -1;
int sendflags = 0;
char *msgpattern = "librdkafka_performance testing!";
int msgsize = strlen(msgpattern);
const char *debug = NULL;
rd_ts_t now;
char errstr[512];
uint64_t seq = 0;
int seed = time(NULL);
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
const char *compression = "no";
int64_t start_offset = 0;
int batch_size = 0;
/* Kafka configuration */
conf = rd_kafka_conf_new();
rd_kafka_conf_set_error_cb(conf, err_cb);
rd_kafka_conf_set_dr_cb(conf, msg_delivered);
/* Producer config */
rd_kafka_conf_set(conf, "queue.buffering.max.messages", "500000",
NULL, 0);
rd_kafka_conf_set(conf, "message.send.max.retries", "3", NULL, 0);
rd_kafka_conf_set(conf, "retry.backoff.ms", "500", NULL, 0);
/* Consumer config */
/* Tell rdkafka to (try to) maintain 1M messages
* in its internal receive buffers. This is to avoid
* application -> rdkafka -> broker per-message ping-pong
* latency.
* The larger the local queue, the higher the performance.
* Try other values with: ... -X queued.min.messages=1000
*/
rd_kafka_conf_set(conf, "queued.min.messages", "1000000", NULL, 0);
/* Kafka topic configuration */
topic_conf = rd_kafka_topic_conf_new();
rd_kafka_topic_conf_set(topic_conf, "message.timeout.ms", "5000",
NULL, 0);
while ((opt =
getopt(argc, argv,
"PCt:p:b:s:k:c:fi:Dd:m:S:x:R:a:z:o:X:B:eT:q")) != -1) {
switch (opt) {
case 'P':
case 'C':
mode = opt;
break;
case 't':
topic = optarg;
break;
case 'p':
partition = atoi(optarg);
break;
case 'b':
brokers = optarg;
break;
case 's':
msgsize = atoi(optarg);
break;
case 'k':
key = optarg;
break;
case 'c':
msgcnt = atoi(optarg);
break;
case 'D':
sendflags |= RD_KAFKA_MSG_F_FREE;
break;
case 'i':
dispintvl = atoi(optarg);
break;
case 'm':
msgpattern = optarg;
break;
case 'S':
seq = strtoull(optarg, NULL, 10);
do_seq = 1;
break;
case 'x':
exit_after = atoi(optarg);
break;
case 'R':
seed = atoi(optarg);
break;
case 'a':
if (rd_kafka_topic_conf_set(topic_conf,
"request.required.acks",
optarg,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
break;
case 'B':
batch_size = atoi(optarg);
break;
case 'z':
if (rd_kafka_conf_set(conf, "compression.codec",
optarg,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
compression = optarg;
break;
case 'o':
start_offset = strtoll(optarg, NULL, 10);
break;
case 'e':
exit_eof = 1;
break;
case 'd':
debug = optarg;
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);
}
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 'T':
if (rd_kafka_conf_set(conf, "statistics.interval.ms",
optarg, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
rd_kafka_conf_set_stats_cb(conf, stats_cb);
break;
case 'q':
quiet = 1;
break;
default:
goto usage;
}
}
if (!topic || optind != argc) {
usage:
fprintf(stderr,
"Usage: %s [-C|-P] -t <topic> "
"[-p <partition>] [-b <broker,broker..>] [options..]\n"
"\n"
" Options:\n"
" -C | -P Consumer or Producer mode\n"
" -t <topic> Topic to fetch / produce\n"
" -p <num> Partition (defaults to random)\n"
" -b <brokers> Broker address list (host[:port],..)\n"
" -s <size> Message size (producer)\n"
" -k <key> Message key (producer)\n"
" -c <cnt> Messages to transmit/receive\n"
" -D Copy/Duplicate data buffer (producer)\n"
" -i <ms> Display interval\n"
" -m <msg> Message payload pattern\n"
" -S <start> Send a sequence number starting at "
"<start> as payload\n"
" -R <seed> Random seed value (defaults to time)\n"
" -a <acks> Required acks (producer): "
"-1, 0, 1, >1\n"
" -B <size> Consume batch size (# of msgs)\n"
" -z <codec> Enable compression:\n"
" none|gzip|snappy\n"
" -o <offset> Start offset (consumer)\n"
" -d [facs..] Enable debugging contexts:\n"
" %s\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"
" -T <intvl> Enable statistics from librdkafka at "
"specified interval (ms)\n"
" -q Be more quiet\n"
"\n"
" In Consumer mode:\n"
" consumes messages and prints thruput\n"
" If -B <..> is supplied the batch consumer\n"
" mode is used, else the callback mode is used.\n"
"\n"
" In Producer mode:\n"
" writes messages of size -s <..> and prints thruput\n"
"\n",
argv[0],
RD_KAFKA_DEBUG_CONTEXTS);
exit(1);
}
dispintvl *= 1000; /* us */
printf("%% Using random seed %i\n", seed);
srand(seed);
signal(SIGINT, stop);
signal(SIGUSR1, sig_usr1);
if (debug &&
rd_kafka_conf_set(conf, "debug", debug, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
printf("%% Debug configuration failed: %s: %s\n",
errstr, debug);
exit(1);
}
/* Socket hangups are gracefully handled in librdkafka on socket error
* without the use of signals, so SIGPIPE should be ignored by the
* calling program. */
signal(SIGPIPE, SIG_IGN);
if (msgcnt != -1)
forever = 0;
if (mode == 'P') {
/*
* Producer
*/
char *sbuf;
char *pbuf;
int outq;
int i;
int keylen = key ? strlen(key) : 0;
off_t rof = 0;
size_t plen = strlen(msgpattern);
if (do_seq) {
if (msgsize < strlen("18446744073709551615: ")+1)
msgsize = strlen("18446744073709551615: ")+1;
/* Force duplication of payload */
sendflags |= RD_KAFKA_MSG_F_FREE;
}
sbuf = malloc(msgsize);
/* Copy payload content to new buffer */
while (rof < msgsize) {
size_t xlen = RD_MIN(msgsize-rof, plen);
memcpy(sbuf+rof, msgpattern, xlen);
rof += xlen;
}
if (msgcnt == -1)
printf("%% Sending messages of size %i bytes\n",
msgsize);
else
printf("%% Sending %i messages of size %i bytes\n",
msgcnt, msgsize);
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create Kafka producer: %s\n",
errstr);
exit(1);
}
if (debug)
rd_kafka_set_log_level(rk, 7);
/* Add broker(s) */
if (rd_kafka_brokers_add(rk, brokers) < 1) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Explicitly create topic to avoid per-msg lookups. */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
cnt.t_start = rd_clock();
while (run && (msgcnt == -1 || cnt.msgs < msgcnt)) {
/* Send/Produce message. */
if (do_seq) {
snprintf(sbuf, msgsize-1, "%"PRIu64": ", seq);
seq++;
}
if (sendflags & RD_KAFKA_MSG_F_FREE) {
/* Duplicate memory */
pbuf = malloc(msgsize);
memcpy(pbuf, sbuf, msgsize);
} else
pbuf = sbuf;
cnt.tx++;
while (run &&
rd_kafka_produce(rkt, partition,
sendflags, pbuf, msgsize,
key, keylen, NULL) == -1) {
if (!quiet || errno != ENOBUFS)
printf("produce error: %s%s\n",
strerror(errno),
errno == ENOBUFS ?
" (backpressure)":"");
cnt.tx_err++;
if (errno != ENOBUFS) {
run = 0;
break;
}
now = rd_clock();
if (cnt.t_last + dispintvl <= now) {
printf("%% Backpressure %i "
"(tx %"PRIu64", "
"txerr %"PRIu64")\n",
rd_kafka_outq_len(rk),
cnt.tx, cnt.tx_err);
cnt.t_last = now;
}
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 10);
}
msgs_wait_cnt++;
cnt.msgs++;
cnt.bytes += msgsize;
print_stats(mode, 0, compression);
/* Must poll to handle delivery reports */
rd_kafka_poll(rk, 0);
}
forever = 0;
printf("All messages produced, "
"now waiting for %li deliveries\n",
msgs_wait_cnt);
rd_kafka_dump(stdout, rk);
/* Wait for messages to be delivered */
i = 0;
while (run && rd_kafka_poll(rk, 1000) != -1) {
if (!(i++ % (dispintvl/1000)))
printf("%% Waiting for %li, "
"%i messages in outq "
"to be sent. Abort with Ctrl-c\n",
msgs_wait_cnt,
rd_kafka_outq_len(rk));
}
outq = rd_kafka_outq_len(rk);
printf("%% %i messages in outq\n", outq);
cnt.msgs -= outq;
cnt.bytes -= msgsize * outq;
cnt.t_end = t_end;
if (cnt.tx_err > 0)
printf("%% %"PRIu64" backpressures for %"PRIu64
" produce calls: %.3f%% backpressure rate\n",
cnt.tx_err, cnt.tx,
((double)cnt.tx_err / (double)cnt.tx) * 100.0);
rd_kafka_dump(stdout, rk);
/* Destroy the handle */
rd_kafka_destroy(rk);
} else if (mode == 'C') {
/*
* Consumer
*/
rd_kafka_message_t **rkmessages = NULL;
#if 0 /* Future API */
/* The offset storage file is optional but its presence
* avoids starting all over from offset 0 again when
* the program restarts.
* ZooKeeper functionality will be implemented in future
* versions and then the offset will be stored there instead. */
conf.consumer.offset_file = "."; /* current directory */
/* Indicate to rdkafka that the application is responsible
* for storing the offset. This allows the application to
* successfully handle a message before storing the offset.
* If this flag is not set rdkafka will store the offset
* just prior to returning the message from rd_kafka_consume().
*/
conf.flags |= RD_KAFKA_CONF_F_APP_OFFSET_STORE;
#endif
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create Kafka producer: %s\n",
errstr);
exit(1);
}
if (debug)
rd_kafka_set_log_level(rk, 7);
/* Add broker(s) */
if (rd_kafka_brokers_add(rk, brokers) < 1) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Create topic to consume from */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
/* Batch consumer */
if (batch_size)
rkmessages = malloc(sizeof(*rkmessages) * batch_size);
/* Start consuming */
if (rd_kafka_consume_start(rkt, partition, start_offset) == -1){
fprintf(stderr, "%% Failed to start consuming: %s\n",
strerror(errno));
exit(1);
}
cnt.t_start = rd_clock();
while (run && (msgcnt == -1 || msgcnt > cnt.msgs)) {
/* Consume messages.
* A message may either be a real message, or
* an error signaling (if rkmessage->err is set).
*/
uint64_t latency;
int r;
latency = rd_clock();
if (batch_size) {
int i;
/* Batch fetch mode */
r = rd_kafka_consume_batch(rkt, partition,
1000,
rkmessages,
batch_size);
if (r != -1) {
for (i = 0 ; i < r ; i++) {
msg_consume(rkmessages[i],NULL);
rd_kafka_message_destroy(
rkmessages[i]);
}
}
} else {
/* Callback mode */
r = rd_kafka_consume_callback(rkt, partition,
1000/*timeout*/,
msg_consume,
NULL);
}
cnt.t_latency += rd_clock() - latency;
if (r == -1)
fprintf(stderr, "%% Error: %s\n",
strerror(errno));
print_stats(mode, 0, compression);
/* Poll to handle stats callbacks */
rd_kafka_poll(rk, 0);
}
cnt.t_end = rd_clock();
/* Stop consuming */
rd_kafka_consume_stop(rkt, partition);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
if (batch_size)
free(rkmessages);
/* Destroy the handle */
rd_kafka_destroy(rk);
}
print_stats(mode, 1, compression);
if (cnt.t_latency && cnt.msgs)
printf("%% Average application fetch latency: %"PRIu64"us\n",
cnt.t_latency / cnt.msgs);
/* Let background threads clean up and terminate cleanly. */
rd_kafka_wait_destroyed(2000);
return 0;
}
/**
* Configuration file reader callback.
*
* Set a single configuration property 'name' using value 'val'.
* Returns 0 on success, and -1 on error in which case 'errstr' will
* contain an error string.
*/
static int conf_set (const char *name, const char *val,
char *errstr, size_t errstr_size,
const char *path, int line, void *opaque) {
rd_kafka_conf_res_t res;
if (!val) {
snprintf(errstr, errstr_size, "Expected \"key=value\" format");
return -1;
}
/* Kafka configuration: let librdkafka handle it. */
if (!strncmp(name, "kafka.", 6)) {
const char *kname = name + 6;
if (!strncmp(kname, "topic.", 6)) {
/* Kafka topic configuration. */
res = rd_kafka_topic_conf_set(conf.rkt_conf,
kname+6, val,
errstr, errstr_size);
} else {
/* Kafka global configuration */
res = rd_kafka_conf_set(conf.rk_conf, kname, val,
errstr, errstr_size);
}
if (res == RD_KAFKA_CONF_OK) {
return 0;
} else if (res != RD_KAFKA_CONF_UNKNOWN) {
return -1;
}
/* FALLTHRU for unknown configuration properties */
}
/* Configuration options */
if (!strcmp(name, "zeromq.socket.type")) {
if (!strcmp(val, "rep") || !strcmp(val, "reply"))
conf.zmq_socket_type = ZMQ_REP;
else if (!strcmp(val, "sub") || !strcmp(val, "subscribe"))
conf.zmq_socket_type = ZMQ_SUB;
else if (!strcmp(val, "pull"))
conf.zmq_socket_type = ZMQ_PULL;
else {
snprintf(errstr, errstr_size,
"Unknown zeromq.socket.type \"%s\", "
"try one of: reply, subscribe, pull", val);
return -1;
}
} else if (!strcmp(name, "zeromq.identity")) {
if (conf.zmq_id)
free(conf.zmq_id);
conf.zmq_id = strdup(val);
} else if (!strcmp(name, "zeromq.bind")) {
if (conf.zmq_connect) {
snprintf(errstr, errstr_size,
"zeromq.bind and zeromq.connect are "
"mutually exclusive");
return -1;
}
if (conf.zmq_bind)
free(conf.zmq_bind);
conf.zmq_bind = strdup(val);
} else if (!strcmp(name, "zeromq.connect")) {
if (conf.zmq_bind) {
snprintf(errstr, errstr_size,
"zeromq.bind and zeromq.connect are "
"mutually exclusive");
return -1;
}
if (conf.zmq_connect)
free(conf.zmq_connect);
conf.zmq_connect = strdup(val);
} else if (!strcmp(name, "zeromq.subscribe")) {
if (conf.zmq_subscriptions)
free(conf.zmq_subscriptions);
conf.zmq_subscriptions_cnt =
ezd_csv2array(&conf.zmq_subscriptions, val);
} else if (!strcmp(name, "kafka.topic"))
conf.kafka_topic = strdup(val);
else if (!strcmp(name, "kafka.partition"))
conf.kafka_partition = atoi(val);
else if (!strcmp(name, "log.kafka.msg.error")) {
if (ezd_str_tof(val))
conf.flags |= CONF_F_LOG_KAFKA_MSG_ERROR;
else
conf.flags &= ~CONF_F_LOG_KAFKA_MSG_ERROR;
} else if (!strcmp(name, "log.level"))
conf.log_level = atoi(val);
else if (!strcmp(name, "daemonize"))
conf.daemonize = ezd_str_tof(val);
else {
snprintf(errstr, errstr_size,
"Invalid configuration property \"%s\"", name);
return -1;
}
return 0;
}
int main (int argc, char **argv) {
rd_kafka_topic_t *rkt;
char *brokers = "localhost:9092";
char mode = 'C';
char *topic = NULL;
int partition = RD_KAFKA_PARTITION_UA;
int opt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
const char *debug = NULL;
int64_t start_offset = 0;
int report_offsets = 0;
int do_conf_dump = 0;
quiet = !isatty(STDIN_FILENO);
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
while ((opt = getopt(argc, argv, "PCLt:p:b:z:qd:o:eX:A")) != -1) {
switch (opt) {
case 'P':
case 'C':
case 'L':
mode = opt;
break;
case 't':
topic = optarg;
break;
case 'p':
partition = atoi(optarg);
break;
case 'b':
brokers = optarg;
break;
case 'z':
if (rd_kafka_conf_set(conf, "compression.codec",
optarg,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
break;
case 'o':
if (!strcmp(optarg, "end"))
start_offset = RD_KAFKA_OFFSET_END;
else if (!strcmp(optarg, "beginning"))
start_offset = RD_KAFKA_OFFSET_BEGINNING;
else if (!strcmp(optarg, "stored"))
start_offset = RD_KAFKA_OFFSET_STORED;
else if (!strcmp(optarg, "report"))
report_offsets = 1;
else
start_offset = strtoll(optarg, NULL, 10);
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;
default:
goto usage;
}
}
if (do_conf_dump) {
const char **arr;
size_t cnt;
int pass;
for (pass = 0 ; pass < 2 ; pass++) {
int i;
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 < cnt ; i += 2)
printf("%s = %s\n",
arr[i], arr[i+1]);
printf("\n");
rd_kafka_conf_dump_free(arr, cnt);
}
exit(0);
}
if (optind != argc || (mode != 'L' && !topic)) {
usage:
fprintf(stderr,
"Usage: %s -C|-P|-L -t <topic> "
"[-p <partition>] [-b <host1:port1,host2:port2,..>]\n"
"\n"
"librdkafka version %s (0x%08x)\n"
"\n"
" Options:\n"
" -C | -P Consumer or Producer mode\n"
" -L Metadata list mode\n"
" -t <topic> Topic to fetch / produce\n"
" -p <num> Partition (random partitioner)\n"
" -b <brokers> Broker address (localhost:9092)\n"
" -z <codec> Enable compression:\n"
" none|gzip|snappy\n"
" -o <offset> Start offset (consumer)\n"
" -o report Report message offsets (producer)\n"
" -e Exit consumer when last message\n"
" in partition has been received.\n"
" -d [facs..] Enable debugging contexts:\n"
" -q Be quiet\n"
" -A Raw payload output (consumer)\n"
" %s\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"
" In Consumer mode:\n"
" writes fetched messages to stdout\n"
" In Producer mode:\n"
" reads messages from stdin and sends to broker\n"
" In List mode:\n"
" queries broker for metadata information, "
"topic is optional.\n"
"\n"
"\n"
"\n",
argv[0],
rd_kafka_version_str(), rd_kafka_version(),
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);
}
if (mode == 'P') {
/*
* Producer
*/
char buf[2048];
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. */
/* If offset reporting (-o report) is enabled, use the
* richer dr_msg_cb instead. */
if (report_offsets) {
rd_kafka_topic_conf_set(topic_conf,
"produce.offset.report",
"true", errstr, sizeof(errstr));
rd_kafka_conf_set_dr_msg_cb(conf, msg_delivered2);
} else
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);
}
/* Set logger */
rd_kafka_set_logger(rk, logger);
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);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!quiet)
fprintf(stderr,
"%% Type stuff and hit enter to send\n");
while (run && fgets(buf, sizeof(buf), stdin)) {
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);
continue;
}
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 (run && rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 100);
/* Destroy the handle */
rd_kafka_destroy(rk);
} else if (mode == 'C') {
/*
* Consumer
*/
/* 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);
}
/* Set logger */
rd_kafka_set_logger(rk, logger);
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);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
/* Start consuming */
if (rd_kafka_consume_start(rkt, partition, start_offset) == -1){
fprintf(stderr, "%% Failed to start consuming: %s\n",
rd_kafka_err2str(rd_kafka_errno2err(errno)));
exit(1);
}
while (run) {
rd_kafka_message_t *rkmessage;
/* Consume single message.
* See rdkafka_performance.c for high speed
* consuming of messages. */
rkmessage = rd_kafka_consume(rkt, partition, 1000);
if (!rkmessage) /* timeout */
continue;
msg_consume(rkmessage, NULL);
/* Return message to rdkafka */
rd_kafka_message_destroy(rkmessage);
}
/* Stop consuming */
rd_kafka_consume_stop(rkt, partition);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
} else if (mode == 'L') {
rd_kafka_resp_err_t err = RD_KAFKA_RESP_ERR_NO_ERROR;
/* 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);
}
/* Set logger */
rd_kafka_set_logger(rk, logger);
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);
}
/* Create topic */
if (topic)
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
else
rkt = NULL;
while (run) {
const struct rd_kafka_metadata *metadata;
/* Fetch metadata */
err = rd_kafka_metadata(rk, rkt ? 0 : 1, rkt,
&metadata, 5000);
if (err != RD_KAFKA_RESP_ERR_NO_ERROR) {
fprintf(stderr,
"%% Failed to acquire metadata: %s\n",
rd_kafka_err2str(err));
run = 0;
break;
}
metadata_print(topic, metadata);
rd_kafka_metadata_destroy(metadata);
run = 0;
}
/* Destroy the handle */
rd_kafka_destroy(rk);
/* Exit right away, dont wait for background cleanup, we haven't
* done anything important anyway. */
exit(err ? 2 : 0);
}
/* Let background threads clean up and terminate cleanly. */
rd_kafka_wait_destroyed(2000);
return 0;
}
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;
}
rd_kafka_t *kafka_get_connection(kafka_connection_params params, const char *brokers)
{
rd_kafka_t *r = NULL;
char errstr[512];
rd_kafka_conf_t *conf = rd_kafka_conf_new();
//set error callback
rd_kafka_conf_set_error_cb(conf, kafka_err_cb);
if (params.type == RD_KAFKA_CONSUMER)
{
if (params.queue_buffer)
rd_kafka_conf_set(conf, "queued.min.messages", params.queue_buffer, NULL, 0);
r = rd_kafka_new(params.type, conf, errstr, sizeof errstr);
if (!r)
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "Failed to connect to kafka: %s", errstr);
}
//destroy config, no connection to use it...
rd_kafka_conf_destroy(conf);
return NULL;
}
if (!rd_kafka_brokers_add(r, brokers))
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "Failed to connect to brokers %s", brokers);
}
rd_kafka_destroy(r);
return NULL;
}
return r;
}
if (params.compression)
{
rd_kafka_conf_res_t result = rd_kafka_conf_set(
conf, "compression.codec",params.compression, errstr, sizeof errstr
);
if (result != RD_KAFKA_CONF_OK)
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ALERT, "Failed to set compression %s: %s", params.compression, errstr);
}
rd_kafka_conf_destroy(conf);
return NULL;
}
}
if (params.retry_count)
{
rd_kafka_conf_res_t result = rd_kafka_conf_set(
conf, "message.send.max.retries",params.retry_count, errstr, sizeof errstr
);
if (result != RD_KAFKA_CONF_OK)
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ALERT, "Failed to set compression %s: %s", params.compression, errstr);
}
rd_kafka_conf_destroy(conf);
return NULL;
}
}
if (params.retry_interval)
{
rd_kafka_conf_res_t result = rd_kafka_conf_set(
conf, "retry.backoff.ms",params.retry_interval, errstr, sizeof errstr
);
if (result != RD_KAFKA_CONF_OK)
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ALERT, "Failed to set compression %s: %s", params.compression, errstr);
}
rd_kafka_conf_destroy(conf);
return NULL;
}
}
if (params.reporting == 1)
rd_kafka_conf_set_dr_cb(conf, kafka_produce_cb_simple);
else if (params.reporting == 2)
rd_kafka_conf_set_dr_msg_cb(conf, kafka_produce_detailed_cb);
r = rd_kafka_new(params.type, conf, errstr, sizeof errstr);
if (!r)
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "Failed to connect to kafka: %s", errstr);
}
//destroy config, no connection to use it...
rd_kafka_conf_destroy(conf);
return NULL;
}
if (!rd_kafka_brokers_add(r, brokers))
{
if (params.log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "Failed to connect to brokers %s", brokers);
}
rd_kafka_destroy(r);
return NULL;
}
return r;
}
