/*
* function get stdin or local file opbuf to librdkafka queue
* if fail will roate very broker queue,if success return 0
* else will return 1
*/
int rotate_send_toqueue(rd_kafka_t ** rks, char *topic, int partitions, int tag,
char *opbuf, int len, int rkcount)
{
int i = 0;
int partition = 0;
int rk = 0;
int ret = 0;
srand(time(NULL));
rk = rand() % rkcount;
for (; i < rkcount; ++i, ++rk) {
rk %= rkcount;
partition = rand() % partitions;
ret =
rd_kafka_produce(rks[rk], topic, partition, tag, opbuf, len);
if (ret == 0) {
return 0;
} else {
char *buf = calloc(1, strlen(opbuf) + 128);
sprintf(buf, "sendkafka[%d]: failed: %s\n",
getpid(),opbuf);
save_error(g_logsavelocal_tag, LOG_INFO, buf);
free(buf);
buf = NULL;
continue;
}
}
return 1;
}
static void om_kafka_write(nx_module_t *module) {
nx_om_kafka_conf_t* modconf;
modconf = (nx_om_kafka_conf_t*) module->config;
nx_logdata_t *logdata;
if (nx_module_get_status(module) != NX_MODULE_STATUS_RUNNING) {
log_warn("Kafka module not running.");
return;
}
if (module->output.buflen == 0) {
if ((logdata = nx_module_logqueue_peek(module)) != NULL) {
module->output.logdata = logdata;
if (rd_kafka_produce(modconf->rkt, modconf->partition, RD_KAFKA_MSG_F_COPY,
/* Payload and length */
logdata->raw_event->buf, (int) logdata->raw_event->len,
/* Optional key and its length */
NULL, 0,
/* Message opaque, provided in delivery report callback as msg_opaque. */
NULL) == -1) {
log_error("Unable to produce message");
rd_kafka_poll(modconf->rk, 0);
} else {
//TODO: report on message
log_debug("Message sent");
rd_kafka_poll(modconf->rk, 0);
nx_module_logqueue_pop(module, module->output.logdata);
nx_logdata_free(module->output.logdata);
module->output.logdata = NULL;
}
}
}
}
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 main_0001_multiobj (int argc, char **argv) {
int partition = RD_KAFKA_PARTITION_UA; /* random */
int i;
const int NUM_ITER = 10;
const char *topic = NULL;
TEST_SAY("Creating and destroying %i kafka instances\n", NUM_ITER);
/* Create, use and destroy NUM_ITER kafka instances. */
for (i = 0 ; i < NUM_ITER ; i++) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char msg[128];
test_timing_t t_destroy;
test_conf_init(&conf, &topic_conf, 30);
if (!topic)
topic = test_mk_topic_name("0001", 0);
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!rkt)
TEST_FAIL("Failed to create topic for "
"rdkafka instance #%i: %s\n",
i, rd_kafka_err2str(rd_kafka_errno2err(errno)));
rd_snprintf(msg, sizeof(msg), "%s test message for iteration #%i",
argv[0], i);
/* Produce a message */
rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
msg, strlen(msg), NULL, 0, NULL);
/* Wait for it to be sent (and possibly acked) */
rd_kafka_flush(rk, -1);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy rdkafka instance */
TIMING_START(&t_destroy, "rd_kafka_destroy()");
rd_kafka_destroy(rk);
TIMING_STOP(&t_destroy);
}
return 0;
}
void test_produce_msgs (rd_kafka_t *rk, rd_kafka_topic_t *rkt,
uint64_t testid, int32_t partition,
int msg_base, int cnt,
const char *payload, size_t size) {
int msg_id;
test_timing_t t_all;
int remains = 0;
TEST_SAY("Produce to %s [%"PRId32"]: messages #%d..%d\n",
rd_kafka_topic_name(rkt), partition, msg_base, msg_base+cnt);
TIMING_START(&t_all, "PRODUCE");
for (msg_id = msg_base ; msg_id < msg_base + cnt ; msg_id++) {
char key[128];
char buf[128];
const char *use_payload;
size_t use_size;
if (payload) {
use_payload = payload;
use_size = size;
} else {
test_msg_fmt(key, sizeof(key), testid, partition,
msg_id);
rd_snprintf(buf, sizeof(buf), "data: %s", key);
use_payload = buf;
use_size = strlen(buf);
}
remains++;
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
(void *)use_payload, use_size,
key, strlen(key),
&remains) == -1)
TEST_FAIL("Failed to produce message %i "
"to partition %i: %s",
msg_id, (int)partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
}
/* Wait for messages to be delivered */
while (remains > 0 && rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 10);
TIMING_STOP(&t_all);
}
static VALUE kafka_send(VALUE self, VALUE topic_value, VALUE key, VALUE message)
{
rd_kafka_topic_conf_t *topic_conf = NULL;
rd_kafka_topic_t *topic = NULL;
char *topic_name = NULL;
void *message_bytes = NULL;
size_t message_len = 0;
void *key_buf = NULL;
size_t key_len = 0;
int res = 0;
if (!NIL_P(key)) {
key_buf = RSTRING_PTR(key);
key_len = RSTRING_LEN(key);
}
topic_name = StringValueCStr(topic_value);
if (!topic_name) {
rb_raise(rb_eStandardError, "topic is not a string!");
}
if(!NIL_P(message)) {
message_bytes = RSTRING_PTR(message);
if(!message_bytes) {
rb_raise(rb_eStandardError, "failed to get message ptr");
}
message_len = RSTRING_LEN(message);
}
topic_conf = rd_kafka_topic_conf_new();
if(!topic_conf) {
rb_raise(rb_eStandardError, "failed to create kafka topic configuration");
}
topic = rd_kafka_topic_new(rk, topic_name, topic_conf);
if(!topic) {
rb_raise(rb_eStandardError, "failed to create topic");
}
res = rd_kafka_produce(topic, RD_KAFKA_PARTITION_UA, RD_KAFKA_MSG_F_COPY, message_bytes, message_len,
key_buf, key_len, NULL);
if (res) {
rb_raise(rb_eStandardError, "rd_kafka_produce failed: %d", res);
}
return Qnil;
}
int producer_push_data(const char* buf, const int buf_len, const wrapper_Info* producer_info)
{
int produce_ret;
if (NULL == buf)
return 0;
if (0 == buf_len || buf_len > MAX_BUF_LEN)
return -2;
int tpart = 0;
pthread_mutex_lock(&lock);
tpart = part;
part = (part + 1) % max_part;
pthread_mutex_unlock(&lock);
//printf("118producer->topic:%s, producer->partition:%d\n", producer_info->topic, producer_info->partition);
/* Send/Produce message. */
produce_ret = rd_kafka_produce(producer_info->rkt, tpart,
RD_KAFKA_MSG_F_COPY,
/* Payload and length */
(void*)buf, (size_t)buf_len,
/* Optional key and its length */
NULL, 0,
/* Message opaque, provided in
* delivery report callback as
* msg_opaque. */
NULL);
//printf("129produce_ret = %d\n", produce_ret);
if (produce_ret == -1)
{
LOG(ERROR) << "errno :" << errno;
fprintf(stderr,
"%% Failed to produce to topic %s "
"partition %i: %s\n",
rd_kafka_topic_name(producer_info->rkt), producer_info->partition,
rd_kafka_err2str(
rd_kafka_errno2err(errno)));
LOG(ERROR) << rd_kafka_err2str(
rd_kafka_errno2err(errno));
//printf("%s", stderr);
/* Poll to handle delivery reports */
rd_kafka_poll(producer_info->rk, 0);
return PUSH_DATA_FAILED;
}
//fprintf(stderr, "136%% Sent %d bytes to topic %s partition %i\n",buf_len, rd_kafka_topic_name(producer_info->rkt), producer_info->partition);
/* Poll to handle delivery reports */
rd_kafka_poll(producer_info->rk, 0);
return PUSH_DATA_SUCCESS;
}
/**
* Produces \p cnt messages and returns immediately.
* Does not wait for delivery.
* \p msgcounterp is incremented for each produced messages and passed
* as \p msg_opaque which is later used in test_dr_cb to decrement
* the counter on delivery.
*/
void test_produce_msgs_nowait (rd_kafka_t *rk, rd_kafka_topic_t *rkt,
uint64_t testid, int32_t partition,
int msg_base, int cnt,
const char *payload, size_t size,
int *msgcounterp) {
int msg_id;
test_timing_t t_all;
TEST_SAY("Produce to %s [%"PRId32"]: messages #%d..%d\n",
rd_kafka_topic_name(rkt), partition, msg_base, msg_base+cnt);
TIMING_START(&t_all, "PRODUCE");
for (msg_id = msg_base ; msg_id < msg_base + cnt ; msg_id++) {
char key[128];
char buf[128];
const char *use_payload;
size_t use_size;
if (payload) {
use_payload = payload;
use_size = size;
} else {
test_msg_fmt(key, sizeof(key), testid, partition,
msg_id);
rd_snprintf(buf, sizeof(buf), "%s: data", key);
use_payload = buf;
use_size = strlen(buf);
}
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
(void *)use_payload, use_size,
key, strlen(key),
msgcounterp) == -1)
TEST_FAIL("Failed to produce message %i "
"to partition %i: %s",
msg_id, (int)partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
(*msgcounterp)++;
}
TIMING_STOP(&t_all);
}
/**
* @brief send a string to kafka
* @param k configuration with kafka
* @param buf string to serialize
* @param len size of the string to save
**/
int send_kafka(kafka_t* k, char* buf, size_t len)
{
int r = 0;
if((r = rd_kafka_produce(k->rkt, RD_KAFKA_PARTITION_UA,
RD_KAFKA_MSG_F_COPY,
buf, len,
NULL, 0, NULL)))
printf("=========== rd_kafka_produce: failed %d\n", r);
/*fprintf(stderr, "%% Sent %zd bytes to topic "
"%s\n",
len, rd_kafka_topic_name(k->rkt));*/
/*if((r = rd_kafka_poll(k->rk, 10)) != 1)
printf("============= rd_kafka_poll: failed %d\n", r);*/
/*while(rd_kafka_poll(k->rk, 1000) != -1)
continue;*/
return 0;
}
static rd_kafka_resp_err_t
Producer_produce0 (Handle *self,
const char *topic, int32_t partition,
const void *value, size_t value_len,
const void *key, size_t key_len,
void *opaque) {
rd_kafka_topic_t *rkt;
rd_kafka_resp_err_t err = RD_KAFKA_RESP_ERR_NO_ERROR;
if (!(rkt = rd_kafka_topic_new(self->rk, topic, NULL)))
return RD_KAFKA_RESP_ERR__INVALID_ARG;
if (rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
(void *)value, value_len,
(void *)key, key_len, opaque) == -1)
err = rd_kafka_last_error();
rd_kafka_topic_destroy(rkt);
return err;
}
/**
* Produces a single message, retries on queue congestion, and
* exits hard on error.
*/
static int produce_message (void *buf, size_t len,
const void *key, size_t key_len, int msgflags) {
/* Produce message: keep trying until it succeeds. */
int ret = 0;
do {
rd_kafka_resp_err_t err;
if (!conf.run) {
INFO(LOG_ERR,
"Program terminated while producing message of %zd bytes", len);
ret = -1;
break;
}
if (rd_kafka_produce(conf.rkt, conf.partition, msgflags,
buf, len, key, key_len, NULL) == 0) {
stats.tx++;
break;
}
err = rd_kafka_errno2err(errno);
if (err != RD_KAFKA_RESP_ERR__QUEUE_FULL) {
INFO(LOG_ERR, "Failed to produce message (%zd bytes): %s",
len, rd_kafka_err2str(err));
ret = -1;
break;
}
stats.tx_err_q++;
/* Internal queue full, sleep to allow
* messages to be produced/time out
* before trying again.
*/
usleep(5);
} while (1);
return ret;
}
int p_kafka_produce_data_to_part(struct p_kafka_host *kafka_host, void *data, u_int32_t data_len, int part)
{
int ret = SUCCESS;
kafkap_ret_err_cb = FALSE;
if (kafka_host && kafka_host->rk && kafka_host->topic) {
ret = rd_kafka_produce(kafka_host->topic, part, RD_KAFKA_MSG_F_COPY,
data, data_len, kafka_host->key, kafka_host->key_len, NULL);
if (ret == ERR) {
Log(LOG_ERR, "ERROR ( %s/%s ): Failed to produce to topic %s partition %i: %s\n", config.name, config.type,
rd_kafka_topic_name(kafka_host->topic), part, rd_kafka_err2str(rd_kafka_errno2err(errno)));
p_kafka_close(kafka_host, TRUE);
}
}
else return ERR;
rd_kafka_poll(kafka_host->rk, 0);
return ret;
}
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_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;
}
static int kafka_write(const data_set_t *ds, /* {{{ */
const value_list_t *vl,
user_data_t *ud)
{
int status = 0;
u_int32_t key;
char buffer[8192];
size_t bfree = sizeof(buffer);
size_t bfill = 0;
size_t blen = 0;
struct kafka_topic_context *ctx = ud->data;
if ((ds == NULL) || (vl == NULL) || (ctx == NULL))
return EINVAL;
bzero(buffer, sizeof(buffer));
switch (ctx->format) {
case KAFKA_FORMAT_COMMAND:
status = create_putval(buffer, sizeof(buffer), ds, vl);
if (status != 0) {
ERROR("write_kafka plugin: create_putval failed with status %i.",
status);
return status;
}
blen = strlen(buffer);
break;
case KAFKA_FORMAT_JSON:
format_json_initialize(buffer, &bfill, &bfree);
format_json_value_list(buffer, &bfill, &bfree, ds, vl,
ctx->store_rates);
format_json_finalize(buffer, &bfill, &bfree);
blen = strlen(buffer);
break;
case KAFKA_FORMAT_GRAPHITE:
status = format_graphite(buffer, sizeof(buffer), ds, vl,
ctx->prefix, ctx->postfix, ctx->escape_char,
ctx->graphite_flags);
if (status != 0) {
ERROR("write_kafka plugin: format_graphite failed with status %i.",
status);
return status;
}
blen = strlen(buffer);
break;
default:
ERROR("write_kafka plugin: invalid format %i.", ctx->format);
return -1;
}
/*
* We partition our stream by metric name
*/
if (ctx->has_key)
key = ctx->key;
else
key = rand();
rd_kafka_produce(ctx->topic, RD_KAFKA_PARTITION_UA,
RD_KAFKA_MSG_F_COPY, buffer, blen,
&key, sizeof(key), NULL);
return status;
} /* }}} int kafka_write */
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 (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 kafka_produce(rd_kafka_t *r, char* topic, char* msg, int msg_len, int report, long timeout)
{
char errstr[512];
rd_kafka_topic_t *rkt;
struct produce_cb_params pcb = {1, 0, 0, 0, 0, NULL};
void *opaque;
int partition = RD_KAFKA_PARTITION_UA;
//decide whether to pass callback params or not...
if (report)
opaque = &pcb;
else
opaque = NULL;
rd_kafka_topic_conf_t *topic_conf;
if (r == NULL)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "phpkafka - no connection to produce to topic: %s", topic);
}
return -2;
}
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
char timeoutStr[64];
snprintf(timeoutStr, 64, "%lu", timeout);
if (rd_kafka_topic_conf_set(topic_conf, "message.timeout.ms", timeoutStr, errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(
LOG_ERR,
"Failed to configure topic param 'message.timeout.ms' to %lu before producing; config err was: %s",
timeout,
errstr
);
}
rd_kafka_topic_conf_destroy(topic_conf);
return -3;
}
/* Create topic */
rkt = rd_kafka_topic_new(r, 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. */
opaque) == -1) {
if (log_level) {
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_topic_destroy(rkt);
return -1;
}
/* Poll to handle delivery reports */
rd_kafka_poll(r, 0);
/* Wait for messages to be delivered */
while (report && pcb.msg_count && rd_kafka_outq_len(r) > 0)
rd_kafka_poll(r, 10);
//set global to NULL again
rd_kafka_topic_destroy(rkt);
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;
}
VCL_STRING
vmod_send_msg(const struct vrt_ctx *ctx, VCL_STRING broker, VCL_STRING topic_name, VCL_STRING name)
{
char *p;
unsigned u, v;
char errstr[512];
char *brokers = (char*)broker;
char *topic = (char*)topic_name;
rd_kafka_topic_t *rkt;
int partition = RD_KAFKA_PARTITION_UA;
u = WS_Reserve(ctx->ws, 0); /* Reserve some work space */
p = ctx->ws->f; /* Front of workspace area */
v = snprintf(p, u, "%s", name);
v++;
if (v > u) {
/* No space, reset and leave */
WS_Release(ctx->ws, 0);
return (NULL);
}
/* Update work space with what we've used */
WS_Release(ctx->ws, v);
/*
* Producer
*/
//char buf[2048];
//char *buf= "essai de test du Test msg sur topic fred";
char *buf= name;
int sendcnt = 0;
/* Set up a message delivery report callback.
* It will be called once for each message, either on successful
* delivery to broker, or upon failure to deliver to broker. */
// rd_kafka_conf_set_dr_cb(conf, msg_delivered);
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new producer: %s\n",
errstr);
exit(1);
}
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
size_t len = strlen(buf);
if (buf[len-1] == '\n')
buf[--len] = '\0';
/* Send/Produce message. */
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
/* Payload and length */
buf, len,
/* Optional key and its length */
NULL, 0,
/* Message opaque, provided in
* delivery report callback as
* msg_opaque. */
NULL) == -1) {
fprintf(stderr,
"%% Failed to produce to topic %s "
"partition %i: %s\n",
rd_kafka_topic_name(rkt), partition,
rd_kafka_err2str(
rd_kafka_errno2err(errno)));
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
exit(2);
}
if (!quiet)
fprintf(stderr, "%% Sent %zd bytes to topic "
"%s partition %i\n",
len, rd_kafka_topic_name(rkt), partition);
sendcnt++;
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
/* Wait for messages to be delivered */
while ( rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 100);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy the handle */
rd_kafka_destroy(rk);
return (p);
}
/* 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;
}
static PyObject *
Producer_produce(RdkHandle *self, PyObject *message)
{
if (RdkHandle_safe_lock(self, /* check_running= */ 1)) return NULL;
PyObject *value = NULL;
PyObject *partition_key = NULL;
PyObject *partition_id = NULL;
/* Keep message alive until the delivery-callback runs. Needed both
* because we may want to put the message on a report queue when the
* callback runs, and because we'll tell rd_kafka_produce() not to copy
* the payload and it can safely use the raw Message bytes directly */
Py_INCREF(message);
/* Get pointers to raw Message contents */
value = PyObject_GetAttrString(message, "value");
if (! value) goto failed;
partition_key = PyObject_GetAttrString(message, "partition_key");
if (! partition_key) goto failed;
partition_id = PyObject_GetAttrString(message, "partition_id");
if (! partition_id) goto failed;
char *v = NULL;
Py_ssize_t v_len = 0;
if (value != Py_None) {
v = PyBytes_AsString(value);
if (! v) goto failed;
v_len = PyBytes_GET_SIZE(value);
}
char *pk = NULL;
Py_ssize_t pk_len = 0;
if (partition_key != Py_None) {
pk = PyBytes_AsString(partition_key);
if (! pk) goto failed;
pk_len = PyBytes_GET_SIZE(partition_key);
}
int32_t p_id = PyLong_AsLong(partition_id);
if (p_id == -1 && PyErr_Occurred()) goto failed;
int res = 0;
Py_BEGIN_ALLOW_THREADS
res = rd_kafka_produce(self->rdk_topic_handle,
p_id,
0, /* ie don't copy and don't dealloc v */
v, v_len,
pk, pk_len,
(void *)message);
Py_END_ALLOW_THREADS
if (res == -1) {
rd_kafka_resp_err_t err = rd_kafka_errno2err(errno);
if (err == RD_KAFKA_RESP_ERR__QUEUE_FULL) {
set_pykafka_error("ProducerQueueFullError", "");
goto failed;
} else {
/* Any other errors should go through the report queue,
* because that's where pykafka.Producer would put them */
PyObject *put_func = (PyObject *)rd_kafka_opaque(self->rdk_handle);
if (-1 == Producer_delivery_report_put(put_func, message, err)) {
goto failed;
}
}
Py_DECREF(message); /* There won't be a delivery-callback */
}
Py_DECREF(value);
Py_DECREF(partition_key);
Py_DECREF(partition_id);
if (RdkHandle_unlock(self)) return NULL;
Py_INCREF(Py_None);
return Py_None;
failed:
Py_XDECREF(value);
Py_XDECREF(partition_key);
Py_XDECREF(partition_id);
RdkHandle_unlock(self);
return NULL;
}
int main (int argc, char **argv) {
rd_kafka_t *rk;
char *broker = NULL;
char mode = 'C';
char *topic = NULL;
int partition = 0;
int opt;
while ((opt = getopt(argc, argv, "PCt:p:b:")) != -1) {
switch (opt) {
case 'P':
case 'C':
mode = opt;
break;
case 't':
topic = optarg;
break;
case 'p':
partition = atoi(optarg);
break;
case 'b':
broker = optarg;
break;
default:
goto usage;
}
}
if (!topic || optind != argc) {
usage:
fprintf(stderr,
"Usage: %s [-C|-P] -t <topic> "
"[-p <partition>] [-b <broker>]\n"
"\n"
" Options:\n"
" -C | -P Consumer or Producer mode\n"
" -t <topic> Topic to fetch / produce\n"
" -p <num> Partition (defaults to 0)\n"
" -b <broker> Broker address (localhost:9092)\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"
"\n",
argv[0]);
exit(1);
}
signal(SIGINT, stop);
if (mode == 'P') {
/*
* Producer
*/
char buf[2048];
int sendcnt = 0;
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, broker, NULL))) {
perror("kafka_new producer");
exit(1);
}
fprintf(stderr, "%% Type stuff and hit enter to send\n");
while (run && (fgets(buf, sizeof(buf), stdin))) {
int len = strlen(buf);
char *opbuf = malloc(len + 1);
strncpy(opbuf, buf, len + 1);
/* Send/Produce message. */
rd_kafka_produce(rk, topic, partition, RD_KAFKA_OP_F_FREE, opbuf, len);
fprintf(stderr, "%% Sent %i bytes to topic "
"%s partition %i\n", len, topic, partition);
sendcnt++;
}
/* Wait for messaging to finish. */
while (rd_kafka_outq_len(rk) > 0)
usleep(50000);
/* Since there is no ack for produce messages in 0.7
* we wait some more for any packets to be sent.
* This is fixed in protocol version 0.8 */
if (sendcnt > 0)
usleep(500000);
/* Destroy the handle */
rd_kafka_destroy(rk);
} else if (mode == 'C') {
/*
* Consumer
*/
rd_kafka_op_t *rko;
/* Base our configuration on the default config. */
rd_kafka_conf_t conf = rd_kafka_defaultconf;
/* 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
* succesfully 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;
/* Use the consumer convenience function
* to create a Kafka handle. */
if (!(rk = rd_kafka_new_consumer(broker, topic,
(uint32_t)partition,
0, &conf))) {
perror("kafka_new_consumer");
exit(1);
}
while (run) {
/* Fetch an "op" which is one of:
* - a kafka message (if rko_len>0 && rko_err==0)
* - an error (if rko_err)
*/
if (!(rko = rd_kafka_consume(rk, 1000/*timeout ms*/)))
continue;
if (rko->rko_err)
fprintf(stderr, "%% Error: %.*s\n",
rko->rko_len, rko->rko_payload);
else if (rko->rko_len) {
fprintf(stderr, "%% Message with "
"next-offset %"PRIu64" is %i bytes\n",
rko->rko_offset, rko->rko_len);
hexdump(stdout, "Message",
rko->rko_payload, rko->rko_len);
}
/* rko_offset contains the offset of the _next_
* message. We store it when we're done processing
* the current message. */
if (rko->rko_offset)
rd_kafka_offset_store(rk, rko->rko_offset);
/* Destroy the op */
rd_kafka_op_destroy(rk, rko);
}
/* Destroy the handle */
rd_kafka_destroy(rk);
}
return 0;
}
/**
* producer_push_single
*
* @param self VALUE the Ruby producer instance
* @param message VALUE the ruby String containing the outgoing message.
* @param topic VALUE the ruby String containing the topic to use for the
* outgoing message.
* @param result VALUE the Hermann::Result object to be fulfilled when the
* push completes
*/
static VALUE producer_push_single(VALUE self, VALUE message, VALUE topic, VALUE result) {
HermannInstanceConfig* producerConfig;
/* Context pointer, pointing to `result`, for the librdkafka delivery
* callback
*/
hermann_push_ctx_t *delivery_ctx = (hermann_push_ctx_t *)malloc(sizeof(hermann_push_ctx_t));
rd_kafka_topic_t *rkt = NULL;
TRACER("self: %p, message: %p, result: %p)\n", self, message, result);
Data_Get_Struct(self, HermannInstanceConfig, producerConfig);
delivery_ctx->producer = producerConfig;
delivery_ctx->result = NULL;
TRACER("producerConfig: %p\n", producerConfig);
if ((Qnil == topic) ||
(0 == RSTRING_LEN(topic))) {
rb_raise(rb_eArgError, "Topic cannot be empty");
return self;
}
if (!producerConfig->isInitialized) {
producer_init_kafka(self, producerConfig);
}
TRACER("kafka initialized\n");
rkt = rd_kafka_topic_new(producerConfig->rk,
RSTRING_PTR(topic),
NULL);
if (NULL == rkt) {
rb_raise(rb_eRuntimeError, "Could not construct a topic structure");
return self;
}
/* Only pass result through if it's non-nil */
if (Qnil != result) {
delivery_ctx->result = result;
TRACER("setting result: %p\n", result);
}
TRACER("rd_kafka_produce() message of %i bytes\n", RSTRING_LEN(message));
/* Send/Produce message. */
if (-1 == rd_kafka_produce(rkt,
producerConfig->partition,
RD_KAFKA_MSG_F_COPY,
RSTRING_PTR(message),
RSTRING_LEN(message),
NULL,
0,
delivery_ctx)) {
fprintf(stderr, "%% Failed to produce to topic %s partition %i: %s\n",
rd_kafka_topic_name(producerConfig->rkt), producerConfig->partition,
rd_kafka_err2str(rd_kafka_errno2err(errno)));
/* TODO: raise a Ruby exception here, requires a test though */
}
if (NULL != rkt) {
rd_kafka_topic_destroy(rkt);
}
TRACER("returning\n");
return self;
}
int main (int argc, char **argv) {
rd_kafka_t *rk;
char *broker = NULL;
char mode = 'C';
char *topic = NULL;
int partition = 0;
int opt;
int msgsize = 1024;
int msgcnt = -1;
int sendflags = 0;
int dispintvl = 1000;
struct {
rd_ts_t t_start;
rd_ts_t t_end;
rd_ts_t t_end_send;
uint64_t msgs;
uint64_t bytes;
rd_ts_t t_latency;
rd_ts_t t_last;
rd_ts_t t_total;
} cnt = {};
rd_ts_t now;
char *dirstr = "";
while ((opt = getopt(argc, argv, "PCt:p:b:s:c:fi:D")) != -1) {
switch (opt) {
case 'P':
case 'C':
mode = opt;
break;
case 't':
topic = optarg;
break;
case 'p':
partition = atoi(optarg);
break;
case 'b':
broker = optarg;
break;
case 's':
msgsize = atoi(optarg);
break;
case 'c':
msgcnt = atoi(optarg);
break;
case 'D':
sendflags |= RD_KAFKA_OP_F_FREE;
break;
case 'i':
dispintvl = atoi(optarg);
break;
default:
goto usage;
}
}
if (!topic || optind != argc) {
usage:
fprintf(stderr,
"Usage: %s [-C|-P] -t <topic> "
"[-p <partition>] [-b <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 0)\n"
" -b <broker> Broker address (localhost:9092)\n"
" -s <size> Message size (producer)\n"
" -c <cnt> Messages to transmit/receive\n"
" -D Copy/Duplicate data buffer (producer)\n"
" -i <ms> Display interval\n"
"\n"
" In Consumer mode:\n"
" consumes messages and prints thruput\n"
" In Producer mode:\n"
" writes messages of size -s <..> and prints thruput\n"
"\n",
argv[0]);
exit(1);
}
dispintvl *= 1000; /* us */
signal(SIGINT, stop);
/* 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 (mode == 'P') {
/*
* Producer
*/
char *sbuf = malloc(msgsize);
int endwait;
int outq;
int i;
memset(sbuf, 'R', msgsize);
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, broker, NULL))) {
perror("kafka_new producer");
exit(1);
}
cnt.t_start = rd_clock();
while (run && (msgcnt == -1 || cnt.msgs < msgcnt)) {
char *pbuf = sbuf;
/* Send/Produce message. */
if (sendflags & RD_KAFKA_OP_F_FREE) {
/* Duplicate memory */
pbuf = malloc(msgsize);
memcpy(pbuf, sbuf, msgsize);
}
rd_kafka_produce(rk, topic, partition,
sendflags, pbuf, msgsize);
cnt.msgs++;
cnt.bytes += msgsize;
now = rd_clock();
if (cnt.t_last + dispintvl <= now) {
printf("%% %"PRIu64" messages and %"PRIu64
"bytes: %"PRIu64" msgs/s and "
"%.2f Mb/s\n",
cnt.msgs, cnt.bytes,
(cnt.msgs / (now - cnt.t_start)) *
1000000,
(float)(cnt.bytes /
(now - cnt.t_start)));
cnt.t_last = now;
}
}
/* Wait for messaging to finish. */
i = 0;
while (run && rd_kafka_outq_len(rk) > 0) {
if (!(i++ % (dispintvl/1000)))
printf("%% Waiting for %i messages in outq "
"to be sent. Abort with Ctrl-c\n",
rd_kafka_outq_len(rk));
usleep(1000);
}
cnt.t_end_send = rd_clock();
outq = rd_kafka_outq_len(rk);
cnt.msgs -= outq;
cnt.bytes -= msgsize * outq;
cnt.t_end = rd_clock();
/* Since there is no ack for produce messages in 0.7
* we wait some more for any packets in the socket buffers
* to be sent.
* This is fixed in protocol version 0.8 */
endwait = cnt.msgs * 10;
printf("%% Test timers stopped, but waiting %ims more "
"for the %"PRIu64 " messages to be transmitted from "
"socket buffers.\n"
"%% End with Ctrl-c\n",
endwait / 1000,
cnt.msgs);
run = 1;
while (run && endwait > 0) {
usleep(10000);
endwait -= 10000;
}
/* Destroy the handle */
rd_kafka_destroy(rk);
dirstr = "sent";
} else if (mode == 'C') {
/*
* Consumer
*/
rd_kafka_op_t *rko;
/* Base our configuration on the default config. */
rd_kafka_conf_t conf = rd_kafka_defaultconf;
/* 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
* succesfully 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;
/* Tell rdkafka to (try to) maintain 10000 messages
* in its internal receive buffers. This is to avoid
* application -> rdkafka -> broker per-message ping-pong
* latency. */
conf.consumer.replyq_low_thres = 100000;
/* Use the consumer convenience function
* to create a Kafka handle. */
if (!(rk = rd_kafka_new_consumer(broker, topic,
(uint32_t)partition,
0, &conf))) {
perror("kafka_new_consumer");
exit(1);
}
cnt.t_start = rd_clock();
while (run && (msgcnt == -1 || msgcnt > cnt.msgs)) {
/* Fetch an "op" which is one of:
* - a kafka message (if rko_len>0 && rko_err==0)
* - an error (if rko_err)
*/
uint64_t latency;
latency = rd_clock();
if (!(rko = rd_kafka_consume(rk, 1000/*timeout ms*/)))
continue;
cnt.t_latency += rd_clock() - latency;
if (rko->rko_err)
fprintf(stderr, "%% Error: %.*s\n",
rko->rko_len, rko->rko_payload);
else if (rko->rko_len) {
cnt.msgs++;
cnt.bytes += rko->rko_len;
}
/* rko_offset contains the offset of the _next_
* message. We store it when we're done processing
* the current message. */
if (rko->rko_offset)
rd_kafka_offset_store(rk, rko->rko_offset);
/* Destroy the op */
rd_kafka_op_destroy(rk, rko);
now = rd_clock();
if (cnt.t_last + dispintvl <= now &&
cnt.t_start + 1000000 < now) {
printf("%% %"PRIu64" messages and %"PRIu64
" bytes: %"PRIu64" msgs/s and "
"%.2f Mb/s\n",
cnt.msgs, cnt.bytes,
(cnt.msgs / ((now - cnt.t_start)/1000))
* 1000,
(float)(cnt.bytes /
((now - cnt.t_start) / 1000)));
cnt.t_last = now;
}
}
cnt.t_end = rd_clock();
/* Destroy the handle */
rd_kafka_destroy(rk);
dirstr = "received";
}
if (cnt.t_end_send)
cnt.t_total = cnt.t_end_send - cnt.t_start;
else
cnt.t_total = cnt.t_end - cnt.t_start;
printf("%% %"PRIu64" messages and %"PRIu64" bytes "
"%s in %"PRIu64"ms: %"PRIu64" msgs/s and %.02f Mb/s\n",
cnt.msgs, cnt.bytes,
dirstr,
cnt.t_total / 1000,
(cnt.msgs / (cnt.t_total / 1000)) * 1000,
(float)(cnt.bytes / (cnt.t_total / 1000)));
if (cnt.t_latency)
printf("%% Average application fetch latency: %"PRIu64"us\n",
cnt.t_latency / cnt.msgs);
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 (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 kafka_produce_report(rd_kafka_t *r, const char *topic, char *msg, int msg_len, long timeout)
{
char errstr[512];
rd_kafka_topic_t *rkt = NULL;
int partition = RD_KAFKA_PARTITION_UA;
rd_kafka_topic_conf_t *conf = NULL;
struct produce_cb_params pcb = {1, 0, 0, 0, 0, NULL};
if (r == NULL)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "No connection provided to produce to topic %s", topic);
}
return -2;
}
/* Topic configuration */
conf = rd_kafka_topic_conf_new();
rd_kafka_topic_conf_set(conf,"produce.offset.report", "true", errstr, sizeof errstr );
char timeoutStr[64];
snprintf(timeoutStr, 64, "%lu", timeout);
if (rd_kafka_topic_conf_set(conf, "message.timeout.ms", timeoutStr, errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(
LOG_ERR,
"Failed to configure topic param 'message.timeout.ms' to %lu before producing; config err was: %s",
timeout,
errstr
);
}
rd_kafka_topic_conf_destroy(conf);
return -3;
}
//callback already set in kafka_set_connection
rkt = rd_kafka_topic_new(r, topic, conf);
if (!rkt)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "Failed to open topic %s", topic);
}
rd_kafka_topic_conf_destroy(conf);
return -1;
}
//begin producing:
if (rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY, msg, msg_len,NULL, 0,&pcb) == -1)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "Failed to produce message: %s", rd_kafka_err2str(rd_kafka_errno2err(errno)));
}
//handle delivery response (callback)
rd_kafka_poll(rk, 0);
rd_kafka_topic_destroy(rkt);
return -1;
}
rd_kafka_poll(rk, 0);
while(pcb.msg_count && rd_kafka_outq_len(r) > 0)
rd_kafka_poll(r, 10);
rd_kafka_topic_destroy(rkt);
return 0;
}
int kafka_produce_batch(rd_kafka_t *r, char *topic, char **msg, int *msg_len, int msg_cnt, int report, long timeout)
{
char errstr[512];
rd_kafka_topic_t *rkt;
struct produce_cb_params pcb = {msg_cnt, 0, 0, 0, 0, NULL};
void *opaque;
int partition = RD_KAFKA_PARTITION_UA;
int i,
err_cnt = 0;
if (report)
opaque = &pcb;
else
opaque = NULL;
rd_kafka_topic_conf_t *topic_conf;
if (r == NULL)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_ERR, "phpkafka - no connection to produce to topic: %s", topic);
}
return -2;
}
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
char timeoutStr[64];
snprintf(timeoutStr, 64, "%lu", timeout);
if (rd_kafka_topic_conf_set(topic_conf, "message.timeout.ms", timeoutStr, errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(
LOG_ERR,
"Failed to configure topic param 'message.timeout.ms' to %lu before producing; config err was: %s",
timeout,
errstr
);
}
rd_kafka_topic_conf_destroy(topic_conf);
return -3;
}
/* Create topic */
rkt = rd_kafka_topic_new(r, topic, topic_conf);
//do we have VLA?
rd_kafka_message_t *messages = calloc(sizeof *messages, msg_cnt);
if (messages == NULL)
{//fallback to individual produce calls
for (i=0;i<msg_cnt;++i)
{
if (rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY, msg[i], msg_len[i], NULL, 0, opaque) == -1)
{
if (log_level)
{
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)));
}
}
}
}
else
{
for (i=0;i<msg_cnt;++i)
{
messages[i].payload = msg[i];
messages[i].len = msg_len[i];
}
i = rd_kafka_produce_batch(rkt, partition, RD_KAFKA_MSG_F_COPY, messages, msg_cnt);
if (i < msg_cnt)
{
if (log_level)
{
openlog("phpkafka", 0, LOG_USER);
syslog(LOG_WARNING, "Failed to queue full message batch, %d of %d were put in queue", i, msg_cnt);
}
}
err_cnt = msg_cnt - i;
free(messages);
messages = NULL;
}
/* Poll to handle delivery reports */
rd_kafka_poll(r, 0);
/* Wait for messages to be delivered */
while (report && pcb.msg_count && rd_kafka_outq_len(r) > 0)
rd_kafka_poll(r, 10);
//set global to NULL again
rd_kafka_topic_destroy(rkt);
if (report)
err_cnt = pcb.err_count;
return err_cnt;
}
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;
}
