/* 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 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);
}
}
}
void RdKafka::HandleImpl::set_common_config (RdKafka::ConfImpl *confimpl) {
rd_kafka_conf_set_opaque(confimpl->rk_conf_, this);
if (confimpl->event_cb_) {
rd_kafka_conf_set_log_cb(confimpl->rk_conf_,
RdKafka::log_cb_trampoline);
rd_kafka_conf_set_error_cb(confimpl->rk_conf_,
RdKafka::error_cb_trampoline);
rd_kafka_conf_set_throttle_cb(confimpl->rk_conf_,
RdKafka::throttle_cb_trampoline);
rd_kafka_conf_set_stats_cb(confimpl->rk_conf_,
RdKafka::stats_cb_trampoline);
event_cb_ = confimpl->event_cb_;
}
if (confimpl->socket_cb_) {
rd_kafka_conf_set_socket_cb(confimpl->rk_conf_,
RdKafka::socket_cb_trampoline);
socket_cb_ = confimpl->socket_cb_;
}
if (confimpl->open_cb_) {
#ifndef _MSC_VER
rd_kafka_conf_set_open_cb(confimpl->rk_conf_, RdKafka::open_cb_trampoline);
open_cb_ = confimpl->open_cb_;
#endif
}
if (confimpl->rebalance_cb_) {
rd_kafka_conf_set_rebalance_cb(confimpl->rk_conf_,
RdKafka::rebalance_cb_trampoline);
rebalance_cb_ = confimpl->rebalance_cb_;
}
if (confimpl->offset_commit_cb_) {
rd_kafka_conf_set_offset_commit_cb(confimpl->rk_conf_,
RdKafka::offset_commit_cb_trampoline);
offset_commit_cb_ = confimpl->offset_commit_cb_;
}
if (confimpl->consume_cb_) {
rd_kafka_conf_set_consume_cb(confimpl->rk_conf_,
RdKafka::consume_cb_trampoline);
consume_cb_ = confimpl->consume_cb_;
}
}
static VALUE kafka_init(VALUE self)
{
rd_kafka_conf_t *conf;
char errstr[512];
if(rk) {
kafka_destroy();
}
conf = rd_kafka_conf_new();
rd_kafka_conf_set_error_cb(conf, error_cb);
rd_kafka_conf_set_log_cb(conf, logger);
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf, errstr, sizeof(errstr));
if (!rk) {
rb_raise(rb_eStandardError, "failed to create kafka producer: %s\n", errstr);
}
return Qnil;
}
static PyObject *
RdkHandle_configure(RdkHandle *self, PyObject *args, PyObject *kwds)
{
char *keywords[] = {"conf", "topic_conf", NULL};
PyObject *conf = NULL;
PyObject *topic_conf = NULL;
if (! PyArg_ParseTupleAndKeywords(args,
kwds,
"|OO",
keywords,
&conf,
&topic_conf)) {
return NULL;
}
if (RdkHandle_safe_lock(self, /* check_running= */ 0)) return NULL;
if ((conf && topic_conf) || (!conf && !topic_conf)) {
return set_pykafka_error(
"RdKafkaException",
"You need to specify *either* `conf` *or* `topic_conf`.");
}
if (self->rdk_handle) {
return set_pykafka_error(
"RdKafkaException",
"Cannot configure: seems instance was started already?");
}
Py_BEGIN_ALLOW_THREADS /* avoid callbacks deadlocking */
if (! self->rdk_conf) {
self->rdk_conf = rd_kafka_conf_new();
rd_kafka_conf_set_log_cb(self->rdk_conf, logging_callback);
}
if (! self->rdk_topic_conf) {
self->rdk_topic_conf = rd_kafka_topic_conf_new();
}
Py_END_ALLOW_THREADS
PyObject *retval = Py_None;
PyObject *conf_or_topic_conf = topic_conf ? topic_conf : conf;
Py_ssize_t i, len = PyList_Size(conf_or_topic_conf);
for (i = 0; i != len; ++i) {
PyObject *conf_pair = PyList_GetItem(conf_or_topic_conf, i);
const char *name = NULL;
const char *value = NULL;
if (! PyArg_ParseTuple(conf_pair, "ss", &name, &value)) {
retval = NULL;
break;
}
char errstr[512];
rd_kafka_conf_res_t res;
Py_BEGIN_ALLOW_THREADS /* avoid callbacks deadlocking */
if (topic_conf) {
res = rd_kafka_topic_conf_set(
self->rdk_topic_conf, name, value, errstr, sizeof(errstr));
} else {
res = rd_kafka_conf_set(
self->rdk_conf, name, value, errstr, sizeof(errstr));
}
Py_END_ALLOW_THREADS
if (res != RD_KAFKA_CONF_OK) {
retval = set_pykafka_error("RdKafkaException", errstr);
break;
}
}
if (RdkHandle_unlock(self)) return NULL;
Py_XINCREF(retval);
return retval;
}
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];
int64_t start_offset = 0;
int report_offsets = 0;
int do_conf_dump = 0;
char tmp[16];
int64_t seek_offset = 0;
int64_t tmp_offset = 0;
int get_wmarks = 0;
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Set logger */
rd_kafka_conf_set_log_cb(conf, logger);
/* Quick termination */
snprintf(tmp, sizeof(tmp), "%i", SIGIO);
rd_kafka_conf_set(conf, "internal.termination.signal", tmp, NULL, 0);
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
while ((opt = getopt(argc, argv, "PCLt:p:b:z:qd:o:eX:As:")) != -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':
case 's':
if (!strcmp(optarg, "end"))
tmp_offset = RD_KAFKA_OFFSET_END;
else if (!strcmp(optarg, "beginning"))
tmp_offset = RD_KAFKA_OFFSET_BEGINNING;
else if (!strcmp(optarg, "stored"))
tmp_offset = RD_KAFKA_OFFSET_STORED;
else if (!strcmp(optarg, "report"))
report_offsets = 1;
else if (!strcmp(optarg, "wmark"))
get_wmarks = 1;
else {
tmp_offset = strtoll(optarg, NULL, 10);
if (tmp_offset < 0)
tmp_offset = RD_KAFKA_OFFSET_TAIL(-tmp_offset);
}
if (opt == 'o')
start_offset = tmp_offset;
else if (opt == 's')
seek_offset = tmp_offset;
break;
case 'e':
exit_eof = 1;
break;
case 'd':
if (rd_kafka_conf_set(conf, "debug", optarg,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr,
"%% Debug configuration failed: "
"%s: %s\n",
errstr, optarg);
exit(1);
}
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, '='))) {
char dest[512];
size_t dest_size = sizeof(dest);
/* Return current value for property. */
res = RD_KAFKA_CONF_UNKNOWN;
if (!strncmp(name, "topic.", strlen("topic.")))
res = rd_kafka_topic_conf_get(
topic_conf,
name+strlen("topic."),
dest, &dest_size);
if (res == RD_KAFKA_CONF_UNKNOWN)
res = rd_kafka_conf_get(
conf, name, dest, &dest_size);
if (res == RD_KAFKA_CONF_OK) {
printf("%s = %s\n", name, dest);
exit(0);
} else {
fprintf(stderr,
"%% %s property\n",
res == RD_KAFKA_CONF_UNKNOWN ?
"Unknown" : "Invalid");
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 < (int)cnt ; i += 2)
printf("%s = %s\n",
arr[i], arr[i+1]);
printf("\n");
rd_kafka_conf_dump_free(arr, cnt);
}
exit(0);
}
if (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"
" beginning, end, NNNNN or -NNNNN\n"
" wmark returns the current hi&lo "
"watermarks.\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"
" %s\n"
" -q Be quiet\n"
" -A Raw payload output (consumer)\n"
" -X <prop=name> Set arbitrary librdkafka "
"configuration property\n"
" Properties prefixed with \"topic.\" "
"will be set on topic object.\n"
" -X list Show full list of supported "
"properties.\n"
" -X <prop> Get single property value\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);
}
if ((mode == 'C' && !isatty(STDIN_FILENO)) ||
(mode != 'C' && !isatty(STDOUT_FILENO)))
quiet = 1;
signal(SIGINT, stop);
signal(SIGUSR1, sig_usr1);
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);
}
/* 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);
topic_conf = NULL; /* Now owned by topic */
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_last_error()));
/* 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 topic */
rd_kafka_topic_destroy(rkt);
/* 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);
}
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
if (get_wmarks) {
int64_t lo, hi;
rd_kafka_resp_err_t err;
/* Only query for hi&lo partition watermarks */
if ((err = rd_kafka_query_watermark_offsets(
rk, topic, partition, &lo, &hi, 5000))) {
fprintf(stderr, "%% query_watermark_offsets() "
"failed: %s\n",
rd_kafka_err2str(err));
exit(1);
}
printf("%s [%d]: low - high offsets: "
"%"PRId64" - %"PRId64"\n",
topic, partition, lo, hi);
rd_kafka_destroy(rk);
exit(0);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
topic_conf = NULL; /* Now owned by topic */
/* Start consuming */
if (rd_kafka_consume_start(rkt, partition, start_offset) == -1){
rd_kafka_resp_err_t err = rd_kafka_last_error();
fprintf(stderr, "%% Failed to start consuming: %s\n",
rd_kafka_err2str(err));
if (err == RD_KAFKA_RESP_ERR__INVALID_ARG)
fprintf(stderr,
"%% Broker based offset storage "
"requires a group.id, "
"add: -X group.id=yourGroup\n");
exit(1);
}
while (run) {
rd_kafka_message_t *rkmessage;
rd_kafka_resp_err_t err;
/* Poll for errors, etc. */
rd_kafka_poll(rk, 0);
/* 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);
if (seek_offset) {
err = rd_kafka_seek(rkt, partition, seek_offset,
2000);
if (err)
printf("Seek failed: %s\n",
rd_kafka_err2str(err));
else
printf("Seeked to %"PRId64"\n",
seek_offset);
seek_offset = 0;
}
}
/* Stop consuming */
rd_kafka_consume_stop(rkt, partition);
while (rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 10);
/* Destroy topic */
rd_kafka_topic_destroy(rkt);
/* Destroy handle */
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);
}
/* 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);
topic_conf = NULL; /* Now owned by topic */
} 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 topic */
if (rkt)
rd_kafka_topic_destroy(rkt);
/* Destroy the handle */
rd_kafka_destroy(rk);
if (topic_conf)
rd_kafka_topic_conf_destroy(topic_conf);
/* Exit right away, dont wait for background cleanup, we haven't
* done anything important anyway. */
exit(err ? 2 : 0);
}
if (topic_conf)
rd_kafka_topic_conf_destroy(topic_conf);
/* Let background threads clean up and terminate cleanly. */
run = 5;
while (run-- > 0 && rd_kafka_wait_destroyed(1000) == -1)
printf("Waiting for librdkafka to decommission\n");
if (run <= 0)
rd_kafka_dump(stdout, rk);
return 0;
}
static void kafka_config_topic(rd_kafka_conf_t *conf, oconfig_item_t *ci) /* {{{ */
{
int status;
int i;
struct kafka_topic_context *tctx;
char *key;
char *val;
char callback_name[DATA_MAX_NAME_LEN];
char errbuf[1024];
user_data_t ud;
oconfig_item_t *child;
rd_kafka_conf_res_t ret;
if ((tctx = calloc(1, sizeof (*tctx))) == NULL) {
ERROR ("write_kafka plugin: calloc failed.");
return;
}
tctx->escape_char = '.';
tctx->store_rates = 1;
rd_kafka_conf_set_log_cb(conf, kafka_log);
if ((tctx->kafka = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errbuf, sizeof(errbuf))) == NULL) {
sfree(tctx);
ERROR("write_kafka plugin: cannot create kafka handle.");
return;
}
conf = NULL;
if ((tctx->conf = rd_kafka_topic_conf_new()) == NULL) {
rd_kafka_destroy(tctx->kafka);
sfree(tctx);
ERROR ("write_kafka plugin: cannot create topic configuration.");
return;
}
if (ci->values_num != 1) {
WARNING("kafka topic name needed.");
goto errout;
}
if (ci->values[0].type != OCONFIG_TYPE_STRING) {
WARNING("kafka topic needs a string argument.");
goto errout;
}
if ((tctx->topic_name = strdup(ci->values[0].value.string)) == NULL) {
ERROR("write_kafka plugin: cannot copy topic name.");
goto errout;
}
for (i = 0; i < ci->children_num; i++) {
/*
* The code here could be simplified but makes room
* for easy adding of new options later on.
*/
child = &ci->children[i];
status = 0;
if (strcasecmp ("Property", child->key) == 0) {
if (child->values_num != 2) {
WARNING("kafka properties need both a key and a value.");
goto errout;
}
if (child->values[0].type != OCONFIG_TYPE_STRING ||
child->values[1].type != OCONFIG_TYPE_STRING) {
WARNING("kafka properties needs string arguments.");
goto errout;
}
key = child->values[0].value.string;
val = child->values[0].value.string;
ret = rd_kafka_topic_conf_set(tctx->conf,key, val,
errbuf, sizeof(errbuf));
if (ret != RD_KAFKA_CONF_OK) {
WARNING("cannot set kafka topic property %s to %s: %s.",
key, val, errbuf);
goto errout;
}
} else if (strcasecmp ("Key", child->key) == 0) {
char *tmp_buf = NULL;
status = cf_util_get_string(child, &tmp_buf);
if (status != 0) {
WARNING("write_kafka plugin: invalid key supplied");
break;
}
if (strcasecmp(tmp_buf, "Random") != 0) {
tctx->has_key = 1;
tctx->key = crc32_buffer((u_char *)tmp_buf, strlen(tmp_buf));
}
sfree(tmp_buf);
} else if (strcasecmp ("Format", child->key) == 0) {
status = cf_util_get_string(child, &key);
if (status != 0)
goto errout;
assert(key != NULL);
if (strcasecmp(key, "Command") == 0) {
tctx->format = KAFKA_FORMAT_COMMAND;
} else if (strcasecmp(key, "Graphite") == 0) {
tctx->format = KAFKA_FORMAT_GRAPHITE;
} else if (strcasecmp(key, "Json") == 0) {
tctx->format = KAFKA_FORMAT_JSON;
} else {
WARNING ("write_kafka plugin: Invalid format string: %s",
key);
}
sfree(key);
} else if (strcasecmp ("StoreRates", child->key) == 0) {
status = cf_util_get_boolean (child, &tctx->store_rates);
(void) cf_util_get_flag (child, &tctx->graphite_flags,
GRAPHITE_STORE_RATES);
} else if (strcasecmp ("GraphiteSeparateInstances", child->key) == 0) {
status = cf_util_get_flag (child, &tctx->graphite_flags,
GRAPHITE_SEPARATE_INSTANCES);
} else if (strcasecmp ("GraphiteAlwaysAppendDS", child->key) == 0) {
status = cf_util_get_flag (child, &tctx->graphite_flags,
GRAPHITE_ALWAYS_APPEND_DS);
} else if (strcasecmp ("GraphitePrefix", child->key) == 0) {
status = cf_util_get_string (child, &tctx->prefix);
} else if (strcasecmp ("GraphitePostfix", child->key) == 0) {
status = cf_util_get_string (child, &tctx->postfix);
} else if (strcasecmp ("GraphiteEscapeChar", child->key) == 0) {
char *tmp_buff = NULL;
status = cf_util_get_string (child, &tmp_buff);
if (strlen (tmp_buff) > 1)
WARNING ("write_kafka plugin: The option \"GraphiteEscapeChar\" handles "
"only one character. Others will be ignored.");
tctx->escape_char = tmp_buff[0];
sfree (tmp_buff);
} else {
WARNING ("write_kafka plugin: Invalid directive: %s.", child->key);
}
if (status != 0)
break;
}
rd_kafka_topic_conf_set_partitioner_cb(tctx->conf, kafka_partition);
rd_kafka_topic_conf_set_opaque(tctx->conf, tctx);
if ((tctx->topic = rd_kafka_topic_new(tctx->kafka, tctx->topic_name,
tctx->conf)) == NULL) {
ERROR("write_kafka plugin: cannot create topic.");
goto errout;
}
tctx->conf = NULL;
ssnprintf(callback_name, sizeof(callback_name),
"write_kafka/%s", tctx->topic_name);
ud.data = tctx;
ud.free_func = kafka_topic_context_free;
status = plugin_register_write (callback_name, kafka_write, &ud);
if (status != 0) {
WARNING ("write_kafka plugin: plugin_register_write (\"%s\") "
"failed with status %i.",
callback_name, status);
goto errout;
}
return;
errout:
if (conf != NULL)
rd_kafka_conf_destroy(conf);
if (tctx->kafka != NULL)
rd_kafka_destroy(tctx->kafka);
if (tctx->topic != NULL)
rd_kafka_topic_destroy(tctx->topic);
if (tctx->topic_name != NULL)
free(tctx->topic_name);
if (tctx->conf != NULL)
rd_kafka_topic_conf_destroy(tctx->conf);
sfree(tctx);
} /* }}} int kafka_config_topic */
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_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_open_cb(NULL, NULL);
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_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);
rd_kafka_metadata(NULL, 0, NULL, NULL, 0);
rd_kafka_metadata_destroy(NULL);
}
return 0;
}
int main (int argc, char **argv) {
rd_kafka_topic_t *rkt;
char *zookeeper = "localhost:2181";
zhandle_t *zh = NULL;
char brokers[1024];
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 do_conf_dump = 0;
memset(brokers, 0, sizeof(brokers));
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:k: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 'k':
zookeeper = 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
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"
" -k <zookeepers> Zookeeper address (localhost:2181)\n"
" -z <codec> Enable compression:\n"
" none|gzip|snappy\n"
" -o <offset> Start offset (consumer)\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);
}
/* Set logger */
rd_kafka_conf_set_log_cb(conf, logger);
/** Initialize zookeeper */
zh = initialize_zookeeper(zookeeper, debug != NULL);
/* Add brokers */
set_brokerlist_from_zookeeper(zh, brokers);
if (rd_kafka_conf_set(conf, "metadata.broker.list",
brokers, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% Failed to set brokers: %s\n", errstr);
exit(1);
}
if (debug) {
printf("Broker list from zookeeper cluster %s: %s\n", zookeeper, brokers);
}
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. */
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);
}
/* 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);
}
/* 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);
}
/* 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);
/** Free the zookeeper data. */
zookeeper_close(zh);
return 0;
}
int main (int argc, char **argv) {
char mode = 'C';
char *brokers = "localhost:9092";
int opt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
const char *debug = NULL;
int do_conf_dump = 0;
char tmp[16];
rd_kafka_resp_err_t err;
char *group = NULL;
rd_kafka_topic_partition_list_t *topics;
int i;
quiet = !isatty(STDIN_FILENO);
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Set logger */
rd_kafka_conf_set_log_cb(conf, logger);
/* Quick termination */
snprintf(tmp, sizeof(tmp), "%i", SIGIO);
rd_kafka_conf_set(conf, "internal.termination.signal", tmp, NULL, 0);
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
while ((opt = getopt(argc, argv, "g:b:qd:eX:As:DO")) != -1) {
switch (opt) {
case 'b':
brokers = optarg;
break;
case 'g':
group = optarg;
break;
case 'e':
exit_eof = 1;
break;
case 'd':
debug = optarg;
break;
case 'q':
quiet = 1;
break;
case 'A':
output = OUTPUT_RAW;
break;
case 'X':
{
char *name, *val;
rd_kafka_conf_res_t res;
if (!strcmp(optarg, "list") ||
!strcmp(optarg, "help")) {
rd_kafka_conf_properties_show(stdout);
exit(0);
}
if (!strcmp(optarg, "dump")) {
do_conf_dump = 1;
continue;
}
name = optarg;
if (!(val = strchr(name, '='))) {
fprintf(stderr, "%% Expected "
"-X property=value, not %s\n", name);
exit(1);
}
*val = '\0';
val++;
res = RD_KAFKA_CONF_UNKNOWN;
/* Try "topic." prefixed properties on topic
* conf first, and then fall through to global if
* it didnt match a topic configuration property. */
if (!strncmp(name, "topic.", strlen("topic.")))
res = rd_kafka_topic_conf_set(topic_conf,
name+
strlen("topic."),
val,
errstr,
sizeof(errstr));
if (res == RD_KAFKA_CONF_UNKNOWN)
res = rd_kafka_conf_set(conf, name, val,
errstr, sizeof(errstr));
if (res != RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
}
break;
case 'D':
case 'O':
mode = opt;
break;
default:
goto usage;
}
}
if (do_conf_dump) {
const char **arr;
size_t cnt;
int pass;
for (pass = 0 ; pass < 2 ; pass++) {
if (pass == 0) {
arr = rd_kafka_conf_dump(conf, &cnt);
printf("# Global config\n");
} else {
printf("# Topic config\n");
arr = rd_kafka_topic_conf_dump(topic_conf,
&cnt);
}
for (i = 0 ; i < (int)cnt ; i += 2)
printf("%s = %s\n",
arr[i], arr[i+1]);
printf("\n");
rd_kafka_conf_dump_free(arr, cnt);
}
exit(0);
}
if (strchr("OC", mode) && optind == argc) {
usage:
fprintf(stderr,
"Usage: %s [options] <topic[:part]> <topic[:part]>..\n"
"\n"
"librdkafka version %s (0x%08x)\n"
"\n"
" Options:\n"
" -g <group> Consumer group (%s)\n"
" -b <brokers> Broker address (%s)\n"
" -e Exit consumer when last message\n"
" in partition has been received.\n"
" -D Describe group.\n"
" -O Get commmitted offset(s)\n"
" -d [facs..] Enable debugging contexts:\n"
" %s\n"
" -q Be quiet\n"
" -A Raw payload output (consumer)\n"
" -X <prop=name> Set arbitrary librdkafka "
"configuration property\n"
" Properties prefixed with \"topic.\" "
"will be set on topic object.\n"
" Use '-X list' to see the full list\n"
" of supported properties.\n"
"\n"
"\n",
argv[0],
rd_kafka_version_str(), rd_kafka_version(),
group, brokers,
RD_KAFKA_DEBUG_CONTEXTS);
exit(1);
}
signal(SIGINT, stop);
signal(SIGUSR1, sig_usr1);
if (debug &&
rd_kafka_conf_set(conf, "debug", debug, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% Debug configuration failed: %s: %s\n",
errstr, debug);
exit(1);
}
/*
* Client/Consumer group
*/
if (strchr("CO", mode)) {
/* Consumer groups require a group id */
if (!group)
group = "rdkafka_consumer_example";
if (rd_kafka_conf_set(conf, "group.id", group,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
/* Consumer groups always use broker based offset storage */
if (rd_kafka_topic_conf_set(topic_conf, "offset.store.method",
"broker",
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
/* Set default topic config for pattern-matched topics. */
rd_kafka_conf_set_default_topic_conf(conf, topic_conf);
/* Callback called on partition assignment changes */
rd_kafka_conf_set_rebalance_cb(conf, rebalance_cb);
}
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new consumer: %s\n",
errstr);
exit(1);
}
rd_kafka_set_log_level(rk, LOG_DEBUG);
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
if (mode == 'D') {
int r;
/* Describe groups */
r = describe_groups(rk, group);
rd_kafka_destroy(rk);
exit(r == -1 ? 1 : 0);
}
/* Redirect rd_kafka_poll() to consumer_poll() */
rd_kafka_poll_set_consumer(rk);
topics = rd_kafka_topic_partition_list_new(argc - optind);
for (i = optind ; i < argc ; i++) {
/* Parse "topic[:part] */
char *topic = argv[i];
char *t;
int32_t partition = -1;
if ((t = strstr(topic, ":"))) {
*t = '\0';
partition = atoi(t+1);
}
rd_kafka_topic_partition_list_add(topics, topic, partition);
}
if (mode == 'O') {
/* Offset query */
err = rd_kafka_position(rk, topics, 5000);
if (err) {
fprintf(stderr, "%% Failed to fetch offsets: %s\n",
rd_kafka_err2str(err));
exit(1);
}
for (i = 0 ; i < topics->cnt ; i++) {
rd_kafka_topic_partition_t *p = &topics->elems[i];
printf("Topic \"%s\" partition %"PRId32,
p->topic, p->partition);
if (p->err)
printf(" error %s",
rd_kafka_err2str(p->err));
else {
printf(" offset %"PRId64"",
p->offset);
if (p->metadata_size)
printf(" (%d bytes of metadata)",
(int)p->metadata_size);
}
printf("\n");
}
goto done;
}
if ((err = rd_kafka_subscribe(rk, topics))) {
fprintf(stderr, "%% Failed to start consuming topics: %s\n",
rd_kafka_err2str(err));
exit(1);
}
while (run) {
rd_kafka_message_t *rkmessage;
rkmessage = rd_kafka_consumer_poll(rk, 1000);
if (rkmessage) {
msg_consume(rkmessage, NULL);
rd_kafka_message_destroy(rkmessage);
}
}
done:
err = rd_kafka_consumer_close(rk);
if (err)
fprintf(stderr, "%% Failed to close consumer: %s\n",
rd_kafka_err2str(err));
else
fprintf(stderr, "%% Consumer closed\n");
rd_kafka_topic_partition_list_destroy(topics);
/* Destroy handle */
rd_kafka_destroy(rk);
/* Let background threads clean up and terminate cleanly. */
run = 5;
while (run-- > 0 && rd_kafka_wait_destroyed(1000) == -1)
printf("Waiting for librdkafka to decommission\n");
if (run <= 0)
rd_kafka_dump(stdout, rk);
return 0;
}
int main_0006_symbols (int argc, char **argv) {
if (argc < 0 /* always false */) {
rd_kafka_version();
rd_kafka_version_str();
rd_kafka_get_debug_contexts();
rd_kafka_get_err_descs(NULL, NULL);
rd_kafka_err2str(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_err2name(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_errno2err(EINVAL);
rd_kafka_errno();
rd_kafka_last_error();
rd_kafka_conf_new();
rd_kafka_conf_destroy(NULL);
rd_kafka_conf_dup(NULL);
rd_kafka_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_conf_set_dr_cb(NULL, NULL);
rd_kafka_conf_set_dr_msg_cb(NULL, NULL);
rd_kafka_conf_set_error_cb(NULL, NULL);
rd_kafka_conf_set_stats_cb(NULL, NULL);
rd_kafka_conf_set_log_cb(NULL, NULL);
rd_kafka_conf_set_socket_cb(NULL, NULL);
rd_kafka_conf_set_rebalance_cb(NULL, NULL);
rd_kafka_conf_set_offset_commit_cb(NULL, NULL);
rd_kafka_conf_set_throttle_cb(NULL, NULL);
rd_kafka_conf_set_default_topic_conf(NULL, NULL);
rd_kafka_conf_get(NULL, NULL, NULL, NULL);
#ifndef _MSC_VER
rd_kafka_conf_set_open_cb(NULL, NULL);
#endif
rd_kafka_conf_set_opaque(NULL, NULL);
rd_kafka_opaque(NULL);
rd_kafka_conf_dump(NULL, NULL);
rd_kafka_topic_conf_dump(NULL, NULL);
rd_kafka_conf_dump_free(NULL, 0);
rd_kafka_conf_properties_show(NULL);
rd_kafka_topic_conf_new();
rd_kafka_topic_conf_dup(NULL);
rd_kafka_topic_conf_destroy(NULL);
rd_kafka_topic_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_topic_conf_set_opaque(NULL, NULL);
rd_kafka_topic_conf_get(NULL, NULL, NULL, NULL);
rd_kafka_topic_conf_set_partitioner_cb(NULL, NULL);
rd_kafka_topic_partition_available(NULL, 0);
rd_kafka_topic_opaque(NULL);
rd_kafka_msg_partitioner_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_msg_partitioner_consistent(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_msg_partitioner_consistent_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_new(0, NULL, NULL, 0);
rd_kafka_destroy(NULL);
rd_kafka_name(NULL);
rd_kafka_memberid(NULL);
rd_kafka_topic_new(NULL, NULL, NULL);
rd_kafka_topic_destroy(NULL);
rd_kafka_topic_name(NULL);
rd_kafka_message_destroy(NULL);
rd_kafka_message_errstr(NULL);
rd_kafka_message_timestamp(NULL, NULL);
rd_kafka_consume_start(NULL, 0, 0);
rd_kafka_consume_stop(NULL, 0);
rd_kafka_consume(NULL, 0, 0);
rd_kafka_consume_batch(NULL, 0, 0, NULL, 0);
rd_kafka_consume_callback(NULL, 0, 0, NULL, NULL);
rd_kafka_offset_store(NULL, 0, 0);
rd_kafka_produce(NULL, 0, 0, NULL, 0, NULL, 0, NULL);
rd_kafka_produce_batch(NULL, 0, 0, NULL, 0);
rd_kafka_poll(NULL, 0);
rd_kafka_brokers_add(NULL, NULL);
/* DEPRECATED: rd_kafka_set_logger(NULL, NULL); */
rd_kafka_set_log_level(NULL, 0);
rd_kafka_log_print(NULL, 0, NULL, NULL);
#ifndef _MSC_VER
rd_kafka_log_syslog(NULL, 0, NULL, NULL);
#endif
rd_kafka_outq_len(NULL);
rd_kafka_dump(NULL, NULL);
rd_kafka_thread_cnt();
rd_kafka_wait_destroyed(0);
rd_kafka_metadata(NULL, 0, NULL, NULL, 0);
rd_kafka_metadata_destroy(NULL);
rd_kafka_queue_destroy(NULL);
rd_kafka_consume_start_queue(NULL, 0, 0, NULL);
rd_kafka_consume_queue(NULL, 0);
rd_kafka_consume_batch_queue(NULL, 0, NULL, 0);
rd_kafka_consume_callback_queue(NULL, 0, NULL, NULL);
rd_kafka_seek(NULL, 0, 0, 0);
rd_kafka_yield(NULL);
rd_kafka_mem_free(NULL, NULL);
rd_kafka_list_groups(NULL, NULL, NULL, 0);
rd_kafka_group_list_destroy(NULL);
/* KafkaConsumer API */
rd_kafka_subscribe(NULL, NULL);
rd_kafka_unsubscribe(NULL);
rd_kafka_subscription(NULL, NULL);
rd_kafka_consumer_poll(NULL, 0);
rd_kafka_consumer_close(NULL);
rd_kafka_assign(NULL, NULL);
rd_kafka_assignment(NULL, NULL);
rd_kafka_commit(NULL, NULL, 0);
rd_kafka_commit_message(NULL, NULL, 0);
rd_kafka_committed(NULL, NULL, 0);
rd_kafka_position(NULL, NULL);
/* TopicPartition */
rd_kafka_topic_partition_list_new(0);
rd_kafka_topic_partition_list_destroy(NULL);
rd_kafka_topic_partition_list_add(NULL, NULL, 0);
rd_kafka_topic_partition_list_add_range(NULL, NULL, 0, 0);
rd_kafka_topic_partition_list_del(NULL, NULL, 0);
rd_kafka_topic_partition_list_del_by_idx(NULL, 0);
rd_kafka_topic_partition_list_copy(NULL);
rd_kafka_topic_partition_list_set_offset(NULL, NULL, 0, 0);
rd_kafka_topic_partition_list_find(NULL, NULL, 0);
rd_kafka_query_watermark_offsets(NULL, NULL, 0, NULL, NULL, 0);
rd_kafka_get_watermark_offsets(NULL, NULL, 0, NULL, NULL);
}
return 0;
}
