/* Functions */
void p_kafka_init_host(struct p_kafka_host *kafka_host, char *config_file)
{
if (kafka_host) {
memset(kafka_host, 0, sizeof(struct p_kafka_host));
P_broker_timers_set_retry_interval(&kafka_host->btimers, PM_KAFKA_DEFAULT_RETRY);
p_kafka_set_config_file(kafka_host, config_file);
kafka_host->cfg = rd_kafka_conf_new();
if (kafka_host->cfg) {
rd_kafka_conf_set_log_cb(kafka_host->cfg, p_kafka_logger);
rd_kafka_conf_set_error_cb(kafka_host->cfg, p_kafka_msg_error);
rd_kafka_conf_set_dr_cb(kafka_host->cfg, p_kafka_msg_delivered);
rd_kafka_conf_set_opaque(kafka_host->cfg, kafka_host);
p_kafka_apply_global_config(kafka_host);
if (config.debug) {
const char **res;
size_t res_len, idx;
res = rd_kafka_conf_dump(kafka_host->cfg, &res_len);
for (idx = 0; idx < res_len; idx += 2)
Log(LOG_DEBUG, "DEBUG ( %s/%s ): librdkafka global config: %s = %s\n", config.name, config.type, res[idx], res[idx + 1]);
rd_kafka_conf_dump_free(res, res_len);
}
}
}
}
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;
}
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;
}
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;
}
/* Functions */
void p_kafka_init_host(struct p_kafka_host *kafka_host)
{
if (kafka_host) {
memset(kafka_host, 0, sizeof(struct p_kafka_host));
P_broker_timers_set_retry_interval(&kafka_host->btimers, PM_KAFKA_DEFAULT_RETRY);
kafka_host->cfg = rd_kafka_conf_new();
if (kafka_host->cfg) {
rd_kafka_conf_set_log_cb(kafka_host->cfg, p_kafka_logger);
rd_kafka_conf_set_error_cb(kafka_host->cfg, p_kafka_msg_error);
rd_kafka_conf_set_dr_cb(kafka_host->cfg, p_kafka_msg_delivered);
rd_kafka_conf_set_opaque(kafka_host->cfg, kafka_host);
}
}
}
/**
* @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;
}
}
/**
* @brief Produce messages according to compress \p codec
*/
static void produce_msgs (const char *topic, int partition, uint64_t testid,
int msgcnt, const char *broker_version,
const char *codec) {
rd_kafka_conf_t *conf;
rd_kafka_t *rk;
int i;
char key[128], buf[100];
int msgcounter = msgcnt;
test_conf_init(&conf, NULL, 0);
rd_kafka_conf_set_dr_cb(conf, test_dr_cb);
test_conf_set(conf, "compression.codec", codec);
test_conf_set(conf, "broker.version.fallback", broker_version);
if (strstr(broker_version, "0.10."))
test_conf_set(conf, "api.version.request", "true");
else
test_conf_set(conf, "api.version.request", "false");
/* Make sure to trigger a bunch of MessageSets */
test_conf_set(conf, "batch.num.messages", tsprintf("%d", msgcnt/5));
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
for (i = 0 ; i < msgcnt ; i++) {
rd_kafka_resp_err_t err;
test_prepare_msg(testid, partition, i,
buf, sizeof(buf), key, sizeof(key));
err = rd_kafka_producev(rk,
RD_KAFKA_V_TOPIC(topic),
RD_KAFKA_V_VALUE(buf, sizeof(buf)),
RD_KAFKA_V_KEY(key, sizeof(key)),
RD_KAFKA_V_TIMESTAMP(my_timestamp.min),
RD_KAFKA_V_MSGFLAGS(RD_KAFKA_MSG_F_COPY),
RD_KAFKA_V_OPAQUE(&msgcounter),
RD_KAFKA_V_END);
if (err)
TEST_FAIL("producev() failed at msg #%d/%d: %s",
i, msgcnt, rd_kafka_err2str(err));
}
TEST_SAY("Waiting for %d messages to be produced\n", msgcounter);
while (msgcounter > 0)
rd_kafka_poll(rk, 100);
rd_kafka_destroy(rk);
}
rd_kafka_t *test_create_producer (void) {
rd_kafka_t *rk;
rd_kafka_conf_t *conf;
char errstr[512];
test_conf_init(&conf, NULL, 20);
rd_kafka_conf_set_dr_cb(conf, test_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));
return rk;
}
ngx_int_t ngx_http_kafka_init_worker(ngx_cycle_t *cycle)
{
size_t n;
ngx_http_kafka_main_conf_t *main_conf;
main_conf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_kafka_module);
main_conf->rkc = rd_kafka_conf_new();
rd_kafka_conf_set_dr_cb(main_conf->rkc, kafka_callback_handler);
main_conf->rk = rd_kafka_new(RD_KAFKA_PRODUCER, main_conf->rkc, NULL, 0);
for (n = 0; n != main_conf->nbrokers; ++n) {
ngx_str_helper(&main_conf->brokers[n], ngx_str_push);
rd_kafka_brokers_add(main_conf->rk, (const char *)main_conf->brokers[n].data);
ngx_str_helper(&main_conf->brokers[n], ngx_str_pop);
}
return 0;
}
//We're no longer relying on the global rk variable (not thread-safe)
static void kafka_init( rd_kafka_type_t type )
{
if (rk && type != rk_type)
{
rd_kafka_destroy(rk);
rk = NULL;
}
if (rk == NULL)
{
char errstr[512];
rd_kafka_conf_t *conf = rd_kafka_conf_new();
if (!(rk = 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(rk, brokers) == 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)
rd_kafka_conf_set_dr_cb(conf, kafka_produce_cb_simple);
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);
}
}
}
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;
}
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;
}
int main (int argc, char **argv) {
int partition = 99; /* non-existent */
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[128];
int msgcnt = 10;
int i;
const struct rd_kafka_metadata *metadata;
test_conf_init(&conf, &topic_conf, 10);
/* 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, test_mk_topic_name("generic", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
/* Request metadata so that we know the cluster is up before producing
* messages, otherwise erroneous partitions will not fail immediately.*/
if ((r = rd_kafka_metadata(rk, 0, rkt, &metadata, 2000)) !=
RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("Failed to acquire metadata: %s\n",
rd_kafka_err2str(r));
rd_kafka_metadata_destroy(metadata);
/* Produce a message */
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
snprintf(msg, sizeof(msg), "%s test message #%i", argv[0], i);
r = rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
msg, strlen(msg), NULL, 0, msgidp);
if (r == -1) {
if (errno == ESRCH)
TEST_SAY("Failed to produce message #%i: "
"unknown partition: good!\n", i);
else
TEST_FAIL("Failed to produce message #%i: %s\n",
i, strerror(errno));
} else {
if (i > 5)
TEST_FAIL("Message #%i produced: "
"should've failed\n", i);
msgs_wait |= (1 << i);
}
/* After half the messages: sleep to allow the metadata
* to be fetched from broker and update the actual partition
* count: this will make subsequent produce() calls fail
* immediately. */
if (i == 5)
sleep(2);
}
/* Wait for messages to time out */
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;
}
int main_0008_reqacks (int argc, char **argv) {
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[128];
int msgcnt = 100;
int i;
int reqacks;
int idbase = 0;
const char *topic = NULL;
TEST_SAY("\033[33mNOTE! This test requires at "
"least 3 brokers!\033[0m\n");
TEST_SAY("\033[33mNOTE! This test requires "
"default.replication.factor=3 to be configured on "
"all brokers!\033[0m\n");
/* Try different request.required.acks settings (issue #75) */
for (reqacks = -1 ; reqacks <= 1 ; reqacks++) {
char tmp[10];
test_conf_init(&conf, &topic_conf, 10);
if (!topic)
topic = test_mk_topic_name("0008", 0);
rd_snprintf(tmp, sizeof(tmp), "%i", reqacks);
if (rd_kafka_topic_conf_set(topic_conf, "request.required.acks",
tmp, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s", 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 with required acks %i\n",
rd_kafka_name(rk), reqacks);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Produce messages */
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = idbase + i;
rd_snprintf(msg, sizeof(msg),
"%s test message #%i (acks=%i)",
argv[0], *msgidp, reqacks);
r = rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
msg, strlen(msg), NULL, 0, msgidp);
if (r == -1)
TEST_FAIL("Failed to produce message #%i: %s\n",
*msgidp, rd_strerror(errno));
}
TEST_SAY("Produced %i messages, waiting for deliveries\n",
msgcnt);
/* Wait for messages to time out */
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 50);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (msgid_next != idbase + msgcnt)
TEST_FAIL("Still waiting for messages: "
"next %i != end %i\n",
msgid_next, msgcnt);
idbase += i;
/* 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);
}
return 0;
}
/* Produce a batch of messages to a single partition. */
static void test_single_partition (void) {
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[128];
int msgcnt = 100000;
int failcnt;
int i;
rd_kafka_message_t *rkmessages;
msgid_next = 0;
test_conf_init(&conf, &topic_conf, 20);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_single_partition_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));
/* Create messages */
rkmessages = calloc(sizeof(*rkmessages), msgcnt);
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
snprintf(msg, sizeof(msg), "%s:%s test message #%i",
__FILE__, __FUNCTION__, i);
rkmessages[i].payload = strdup(msg);
rkmessages[i].len = strlen(msg);
rkmessages[i]._private = msgidp;
}
r = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_FREE,
rkmessages, msgcnt);
/* Scan through messages to check for errors. */
for (i = 0 ; i < msgcnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].err));
}
}
/* All messages should've been produced. */
if (r < msgcnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, msgcnt);
if (msgcnt - r != failcnt)
TEST_SAY("Discrepency between failed messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, msgcnt - r, msgcnt, r);
TEST_FAIL("%i/%i messages failed\n", msgcnt - r, msgcnt);
}
free(rkmessages);
TEST_SAY("Single partition: "
"Produced %i messages, waiting for deliveries\n", r);
/* Wait for messages to be delivered */
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 50);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (msgid_next != msgcnt)
TEST_FAIL("Still waiting for messages: next %i != end %i\n",
msgid_next, msgcnt);
/* 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;
}
int main (int argc, char **argv) {
char *topic = "rdkafkatest1";
int partition = 99; /* non-existent */
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[128];
int msgcnt = 10;
time_t t_start, t_spent;
int i;
/* 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);
test_conf_init(&conf, &topic_conf, 10);
/* Set message.timeout.ms configuration for topic */
if (rd_kafka_topic_conf_set(topic_conf, "message.timeout.ms", "2000",
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));
/* Produce a message */
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
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, strlen(msg), NULL, 0, msgidp);
if (r == -1)
TEST_FAIL("Failed to produce message #%i: %s\n",
i, strerror(errno));
}
t_start = time(NULL);
/* Wait for messages to time out */
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 50);
t_spent = time(NULL) - t_start;
if (msgs_wait != 0)
TEST_FAIL("Still waiting for messages: 0x%x\n", msgs_wait);
if (t_spent > 5 /* 2000ms+cruft*/)
TEST_FAIL("Messages timed out too slowly (%i seconds > 5)\n",
(int)t_spent);
/* 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;
}
int main_0006_symbols (int argc, char **argv) {
if (argc < 0 /* always false */) {
rd_kafka_version();
rd_kafka_version_str();
rd_kafka_get_debug_contexts();
rd_kafka_get_err_descs(NULL, NULL);
rd_kafka_err2str(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_err2name(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_errno2err(EINVAL);
rd_kafka_errno();
rd_kafka_last_error();
rd_kafka_conf_new();
rd_kafka_conf_destroy(NULL);
rd_kafka_conf_dup(NULL);
rd_kafka_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_conf_set_dr_cb(NULL, NULL);
rd_kafka_conf_set_dr_msg_cb(NULL, NULL);
rd_kafka_conf_set_error_cb(NULL, NULL);
rd_kafka_conf_set_stats_cb(NULL, NULL);
rd_kafka_conf_set_log_cb(NULL, NULL);
rd_kafka_conf_set_socket_cb(NULL, NULL);
rd_kafka_conf_set_rebalance_cb(NULL, NULL);
rd_kafka_conf_set_offset_commit_cb(NULL, NULL);
rd_kafka_conf_set_throttle_cb(NULL, NULL);
rd_kafka_conf_set_default_topic_conf(NULL, NULL);
rd_kafka_conf_get(NULL, NULL, NULL, NULL);
#ifndef _MSC_VER
rd_kafka_conf_set_open_cb(NULL, NULL);
#endif
rd_kafka_conf_set_opaque(NULL, NULL);
rd_kafka_opaque(NULL);
rd_kafka_conf_dump(NULL, NULL);
rd_kafka_topic_conf_dump(NULL, NULL);
rd_kafka_conf_dump_free(NULL, 0);
rd_kafka_conf_properties_show(NULL);
rd_kafka_topic_conf_new();
rd_kafka_topic_conf_dup(NULL);
rd_kafka_topic_conf_destroy(NULL);
rd_kafka_topic_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_topic_conf_set_opaque(NULL, NULL);
rd_kafka_topic_conf_get(NULL, NULL, NULL, NULL);
rd_kafka_topic_conf_set_partitioner_cb(NULL, NULL);
rd_kafka_topic_partition_available(NULL, 0);
rd_kafka_topic_opaque(NULL);
rd_kafka_msg_partitioner_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_msg_partitioner_consistent(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_msg_partitioner_consistent_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_new(0, NULL, NULL, 0);
rd_kafka_destroy(NULL);
rd_kafka_name(NULL);
rd_kafka_memberid(NULL);
rd_kafka_topic_new(NULL, NULL, NULL);
rd_kafka_topic_destroy(NULL);
rd_kafka_topic_name(NULL);
rd_kafka_message_destroy(NULL);
rd_kafka_message_errstr(NULL);
rd_kafka_message_timestamp(NULL, NULL);
rd_kafka_consume_start(NULL, 0, 0);
rd_kafka_consume_stop(NULL, 0);
rd_kafka_consume(NULL, 0, 0);
rd_kafka_consume_batch(NULL, 0, 0, NULL, 0);
rd_kafka_consume_callback(NULL, 0, 0, NULL, NULL);
rd_kafka_offset_store(NULL, 0, 0);
rd_kafka_produce(NULL, 0, 0, NULL, 0, NULL, 0, NULL);
rd_kafka_produce_batch(NULL, 0, 0, NULL, 0);
rd_kafka_poll(NULL, 0);
rd_kafka_brokers_add(NULL, NULL);
/* DEPRECATED: rd_kafka_set_logger(NULL, NULL); */
rd_kafka_set_log_level(NULL, 0);
rd_kafka_log_print(NULL, 0, NULL, NULL);
#ifndef _MSC_VER
rd_kafka_log_syslog(NULL, 0, NULL, NULL);
#endif
rd_kafka_outq_len(NULL);
rd_kafka_dump(NULL, NULL);
rd_kafka_thread_cnt();
rd_kafka_wait_destroyed(0);
rd_kafka_metadata(NULL, 0, NULL, NULL, 0);
rd_kafka_metadata_destroy(NULL);
rd_kafka_queue_destroy(NULL);
rd_kafka_consume_start_queue(NULL, 0, 0, NULL);
rd_kafka_consume_queue(NULL, 0);
rd_kafka_consume_batch_queue(NULL, 0, NULL, 0);
rd_kafka_consume_callback_queue(NULL, 0, NULL, NULL);
rd_kafka_seek(NULL, 0, 0, 0);
rd_kafka_yield(NULL);
rd_kafka_mem_free(NULL, NULL);
rd_kafka_list_groups(NULL, NULL, NULL, 0);
rd_kafka_group_list_destroy(NULL);
/* KafkaConsumer API */
rd_kafka_subscribe(NULL, NULL);
rd_kafka_unsubscribe(NULL);
rd_kafka_subscription(NULL, NULL);
rd_kafka_consumer_poll(NULL, 0);
rd_kafka_consumer_close(NULL);
rd_kafka_assign(NULL, NULL);
rd_kafka_assignment(NULL, NULL);
rd_kafka_commit(NULL, NULL, 0);
rd_kafka_commit_message(NULL, NULL, 0);
rd_kafka_committed(NULL, NULL, 0);
rd_kafka_position(NULL, NULL);
/* TopicPartition */
rd_kafka_topic_partition_list_new(0);
rd_kafka_topic_partition_list_destroy(NULL);
rd_kafka_topic_partition_list_add(NULL, NULL, 0);
rd_kafka_topic_partition_list_add_range(NULL, NULL, 0, 0);
rd_kafka_topic_partition_list_del(NULL, NULL, 0);
rd_kafka_topic_partition_list_del_by_idx(NULL, 0);
rd_kafka_topic_partition_list_copy(NULL);
rd_kafka_topic_partition_list_set_offset(NULL, NULL, 0, 0);
rd_kafka_topic_partition_list_find(NULL, NULL, 0);
rd_kafka_query_watermark_offsets(NULL, NULL, 0, NULL, NULL, 0);
rd_kafka_get_watermark_offsets(NULL, NULL, 0, NULL, NULL);
}
return 0;
}
int main_0003_msgmaxsize (int argc, char **argv) {
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;
static const int msgsize = 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 = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0003", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
msg = calloc(1, msgsize);
/* 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);
}
rd_snprintf(msg, msgsize, "%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, rd_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);
free(msg);
/* 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);
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_0038_performance (int argc, char **argv) {
const char *topic = test_mk_topic_name(__FUNCTION__, 1);
const int partition = 0;
const int msgsize = 100;
uint64_t testid;
rd_kafka_conf_t *conf;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
test_timing_t t_create, t_produce, t_consume;
int totsize = 1024*1024*128;
int msgcnt;
if (!strcmp(test_mode, "valgrind") || !strcmp(test_mode, "helgrind") ||
!strcmp(test_mode, "drd"))
totsize = 1024*1024*8; /* 8 meg, valgrind is slow. */
msgcnt = totsize / msgsize;
TEST_SAY("Producing %d messages of size %d to %s [%d]\n",
msgcnt, (int)msgsize, topic, partition);
testid = test_id_generate();
test_conf_init(&conf, NULL, 120);
rd_kafka_conf_set_dr_cb(conf, test_dr_cb);
test_conf_set(conf, "queue.buffering.max.messages", "10000000");
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = test_create_producer_topic(rk, topic, "acks", "1", NULL);
/* First produce one message to create the topic, etc, this might take
* a while and we dont want this to affect the throughput timing. */
TIMING_START(&t_create, "CREATE TOPIC");
test_produce_msgs(rk, rkt, testid, partition, 0, 1, NULL, msgsize);
TIMING_STOP(&t_create);
TIMING_START(&t_produce, "PRODUCE");
test_produce_msgs(rk, rkt, testid, partition, 1, msgcnt-1, NULL, msgsize);
TIMING_STOP(&t_produce);
TEST_SAY("Destroying producer\n");
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
TEST_SAY("Creating consumer\n");
test_conf_init(&conf, NULL, 120);
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);
TIMING_START(&t_consume, "CONSUME");
test_consume_msgs("CONSUME", rkt, testid, partition, TEST_NO_SEEK,
0, msgcnt, 1);
TIMING_STOP(&t_consume);
test_consumer_stop("CONSUME", rkt, partition);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
TEST_REPORT("{ \"producer\": "
" { \"mb_per_sec\": %.2f, \"records_per_sec\": %.2f },"
" \"consumer\": "
"{ \"mb_per_sec\": %.2f, \"records_per_sec\": %.2f } "
"}",
(double)
(totsize/((double)TIMING_DURATION(&t_produce)/1000000.0f)) /
1000000.0f,
(float)
(msgcnt/((double)TIMING_DURATION(&t_produce)/1000000.0f)),
(double)
(totsize/((double)TIMING_DURATION(&t_consume)/1000000.0f)) /
1000000.0f,
(float)
(msgcnt/((double)TIMING_DURATION(&t_consume)/1000000.0f)));
return 0;
}
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;
}
int main_0002_unkpart (int argc, char **argv) {
int partition = 99; /* non-existent */
int r;
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
int msgcnt = 10;
int i;
int fails = 0;
const struct rd_kafka_metadata *metadata;
test_conf_init(&conf, &topic_conf, 10);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_cb);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0002", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Request metadata so that we know the cluster is up before producing
* messages, otherwise erroneous partitions will not fail immediately.*/
if ((r = rd_kafka_metadata(rk, 0, rkt, &metadata,
tmout_multip(15000))) !=
RD_KAFKA_RESP_ERR_NO_ERROR)
TEST_FAIL("Failed to acquire metadata: %s\n",
rd_kafka_err2str(r));
rd_kafka_metadata_destroy(metadata);
/* Produce a message */
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s test message #%i", argv[0], i);
r = rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
msg, strlen(msg), NULL, 0, msgidp);
if (r == -1) {
if (errno == ESRCH)
TEST_SAY("Failed to produce message #%i: "
"unknown partition: good!\n", i);
else
TEST_FAIL("Failed to produce message #%i: %s\n",
i, rd_kafka_err2str(
rd_kafka_errno2err(errno)));
free(msgidp);
} else {
if (i > 5) {
fails++;
TEST_SAY("Message #%i produced: "
"should've failed\n", i);
}
msgs_wait |= (1 << i);
}
/* After half the messages: sleep to allow the metadata
* to be fetched from broker and update the actual partition
* count: this will make subsequent produce() calls fail
* immediately. */
if (i == 5)
rd_sleep(2);
}
/* Wait for messages to time out */
rd_kafka_flush(rk, -1);
if (msgs_wait != 0)
TEST_FAIL("Still waiting for messages: 0x%x\n", msgs_wait);
if (fails > 0)
TEST_FAIL("See previous error(s)\n");
/* 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);
return 0;
}
/* Produce a batch of messages to a single partition. */
static void test_single_partition (void) {
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 msg[128];
int msgcnt = 100000;
int failcnt = 0;
int i;
rd_kafka_message_t *rkmessages;
int msgcounter = 0;
msgid_next = 0;
test_conf_init(&conf, &topic_conf, 20);
/* Set delivery report callback */
rd_kafka_conf_set_dr_cb(conf, dr_single_partition_cb);
rd_kafka_conf_set_opaque(conf, &msgcounter);
/* Create kafka instance */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
TEST_SAY("test_single_partition: Created kafka instance %s\n",
rd_kafka_name(rk));
rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0011", 0),
topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
/* Create messages */
rkmessages = calloc(sizeof(*rkmessages), msgcnt);
for (i = 0 ; i < msgcnt ; i++) {
int *msgidp = malloc(sizeof(*msgidp));
*msgidp = i;
rd_snprintf(msg, sizeof(msg), "%s:%s test message #%i",
__FILE__, __FUNCTION__, i);
rkmessages[i].payload = rd_strdup(msg);
rkmessages[i].len = strlen(msg);
rkmessages[i]._private = msgidp;
}
r = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_FREE,
rkmessages, msgcnt);
/* Scan through messages to check for errors. */
for (i = 0 ; i < msgcnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].err));
}
}
/* All messages should've been produced. */
if (r < msgcnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, msgcnt);
if (msgcnt - r != failcnt)
TEST_SAY("Discrepency between failed messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, msgcnt - r, msgcnt, r);
TEST_FAIL("%i/%i messages failed\n", msgcnt - r, msgcnt);
}
free(rkmessages);
TEST_SAY("Single partition: "
"Produced %i messages, waiting for deliveries\n", r);
msgcounter = msgcnt;
/* Wait for messages to be delivered */
test_wait_delivery(rk, &msgcounter);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (msgid_next != msgcnt)
TEST_FAIL("Still waiting for messages: next %i != end %i\n",
msgid_next, msgcnt);
/* 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);
return;
}
/**
* Produces 'msgcnt' messages split over 'partition_cnt' partitions.
*/
static void produce_messages (uint64_t testid, const char *topic,
int partition_cnt, int msgcnt) {
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[128];
int failcnt = 0;
int i;
rd_kafka_message_t *rkmessages;
int32_t partition;
int msgid = 0;
test_conf_init(&conf, &topic_conf, 20);
rd_kafka_conf_set_dr_cb(conf, dr_cb);
/* Make sure all replicas are in-sync after producing
* so that consume test wont fail. */
rd_kafka_topic_conf_set(topic_conf, "request.required.acks", "-1",
errstr, sizeof(errstr));
/* Create kafka instance */
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: %s\n",
rd_strerror(errno));
/* Create messages. */
prod_msg_remains = msgcnt;
rkmessages = calloc(sizeof(*rkmessages), msgcnt / partition_cnt);
for (partition = 0 ; partition < partition_cnt ; partition++) {
int batch_cnt = msgcnt / partition_cnt;
for (i = 0 ; i < batch_cnt ; i++) {
rd_snprintf(msg, sizeof(msg),
"testid=%"PRIu64", partition=%i, msg=%i",
testid, (int)partition, msgid);
rkmessages[i].payload = rd_strdup(msg);
rkmessages[i].len = strlen(msg);
msgid++;
}
TEST_SAY("Start produce to partition %i: msgs #%d..%d\n",
(int)partition, msgid-batch_cnt, msgid);
/* Produce batch for this partition */
r = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_FREE,
rkmessages, batch_cnt);
if (r == -1)
TEST_FAIL("Failed to produce "
"batch for partition %i: %s",
(int)partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
/* Scan through messages to check for errors. */
for (i = 0 ; i < batch_cnt ; i++) {
if (rkmessages[i].err) {
failcnt++;
if (failcnt < 100)
TEST_SAY("Message #%i failed: %s\n",
i,
rd_kafka_err2str(rkmessages[i].
err));
}
}
/* All messages should've been produced. */
if (r < batch_cnt) {
TEST_SAY("Not all messages were accepted "
"by produce_batch(): %i < %i\n", r, batch_cnt);
if (batch_cnt - r != failcnt)
TEST_SAY("Discrepency between failed "
"messages (%i) "
"and return value %i (%i - %i)\n",
failcnt, batch_cnt - r, batch_cnt, r);
TEST_FAIL("%i/%i messages failed\n",
batch_cnt - r, batch_cnt);
}
TEST_SAY("Produced %i messages to partition %i, "
"waiting for deliveries\n", r, partition);
}
free(rkmessages);
/* Wait for messages to be delivered */
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 100);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (prod_msg_remains != 0)
TEST_FAIL("Still waiting for %i messages to be produced",
prod_msg_remains);
/* 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);
}
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;
}
void kafka_produce(char* topic, char* msg, int msg_len)
{
signal(SIGINT, kafka_stop);
signal(SIGPIPE, kafka_stop);
rd_kafka_topic_t *rkt;
int partition = RD_KAFKA_PARTITION_UA;
rd_kafka_topic_conf_t *topic_conf;
if(rk == NULL) {
char errstr[512];
rd_kafka_conf_t *conf;
/* Kafka configuration */
conf = rd_kafka_conf_new();
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr)))) {
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(rk, brokers) == 0) {
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. */
rd_kafka_conf_set_dr_cb(conf, kafka_msg_delivered);
rd_kafka_conf_set_error_cb(conf, kafka_err_cb);
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_INFO, "phpkafka - using: %s", brokers);
}
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
/* Payload and length */
msg, msg_len,
/* Optional key and its length */
NULL, 0,
/* Message opaque, provided in
* delivery report callback as
* msg_opaque. */
NULL) == -1) {
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_INFO, "phpkafka - %% Failed to produce to topic %s "
"partition %i: %s",
rd_kafka_topic_name(rkt), partition,
rd_kafka_err2str(
rd_kafka_errno2err(errno)));
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);
rd_kafka_topic_destroy(rkt);
}
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;
}
/**
* Produces 'msgcnt' messages split over 'partition_cnt' partitions.
*/
static void produce_null_messages (uint64_t testid, const char *topic,
int partition_cnt, int msgcnt) {
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];
int i;
int32_t partition;
int msgid = 0;
test_conf_init(&conf, &topic_conf, 20);
rd_kafka_conf_set_dr_cb(conf, dr_cb);
/* Make sure all replicas are in-sync after producing
* so that consume test wont fail. */
rd_kafka_topic_conf_set(topic_conf, "request.required.acks", "-1",
errstr, sizeof(errstr));
/* Create kafka instance */
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: %s\n",
rd_kafka_err2str(rd_kafka_last_error()));
/* Produce messages */
prod_msg_remains = msgcnt;
for (partition = 0 ; partition < partition_cnt ; partition++) {
int batch_cnt = msgcnt / partition_cnt;
for (i = 0 ; i < batch_cnt ; i++) {
char key[128];
rd_snprintf(key, sizeof(key),
"testid=%"PRIu64", partition=%i, msg=%i",
testid, (int)partition, msgid);
r = rd_kafka_produce(rkt, partition, 0,
NULL, 0,
key, strlen(key),
NULL);
if (r == -1)
TEST_FAIL("Failed to produce message %i "
"to partition %i: %s",
msgid, (int)partition,
rd_kafka_err2str(rd_kafka_last_error()));
msgid++;
}
}
TEST_SAY("Produced %d messages to %d partition(s), "
"waiting for deliveries\n", msgcnt, partition_cnt);
/* Wait for messages to be delivered */
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 100);
if (fails)
TEST_FAIL("%i failures, see previous errors", fails);
if (prod_msg_remains != 0)
TEST_FAIL("Still waiting for %i messages to be produced",
prod_msg_remains);
else
TEST_SAY("All messages delivered\n");
/* 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_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;
}
int main (int argc, char **argv) {
rd_kafka_topic_t *rkt;
char *brokers = 0;
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];
char tmp[16];
char* msg = 0;
char* key = 0;
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Quick termination */
snprintf(tmp, sizeof(tmp), "%i", SIGIO);
rd_kafka_conf_set(conf, "internal.termination.signal", tmp, NULL, 0);
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
while ((opt = getopt(argc, argv, "t:p:b:z:m:k:")) != -1) {
switch (opt) {
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 'm':
msg = optarg;
break;
case 'k':
key = optarg;
break;
default:
goto usage;
}
}
if (optind != argc || msg == 0 || brokers == 0) {
usage:
fprintf(stderr,
"Usage: %s -t <topic> -m <message>"
"[-p <partition>] [-b <host1:port1,host2:port2,..>] [-k <key>]\n"
"\n"
"librdkafka version %s (0x%08x)\n"
"\n"
" Options:\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"
" -m <msg> Message to send\n"
" -k <key> Key of message\n"
"\n"
"\n",
argv[0],
rd_kafka_version_str(), rd_kafka_version());
exit(1);
}
{
/*
* Producer
*/
/* 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. */
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);
/* Send/Produce message. */
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
/* Payload and length */
msg, strlen(msg),
/* Optional key and its length */
key, key?strlen(key): 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(1);
}
/* 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);
}
/* Let background threads clean up and terminate cleanly. */
rd_kafka_wait_destroyed(2000);
return 0;
}
