void p_kafka_set_topic(struct p_kafka_host *kafka_host, char *topic)
{
if (kafka_host) {
kafka_host->topic_cfg = rd_kafka_topic_conf_new();
p_kafka_apply_topic_config(kafka_host);
if (config.debug) {
const char **res;
size_t res_len, idx;
res = rd_kafka_topic_conf_dump(kafka_host->topic_cfg, &res_len);
for (idx = 0; idx < res_len; idx += 2)
Log(LOG_DEBUG, "DEBUG ( %s/%s ): librdkafka '%s' topic config: %s = %s\n", config.name, config.type, topic, res[idx], res[idx + 1]);
rd_kafka_conf_dump_free(res, res_len);
}
/* This needs to be done here otherwise kafka_host->topic_cfg is null
* and the partitioner cannot be set */
if (config.kafka_partition_dynamic && kafka_host->topic_cfg)
p_kafka_set_dynamic_partitioner(kafka_host);
/* destroy current allocation before making a new one */
if (kafka_host->topic) p_kafka_unset_topic(kafka_host);
if (kafka_host->rk && kafka_host->topic_cfg) {
kafka_host->topic = rd_kafka_topic_new(kafka_host->rk, topic, kafka_host->topic_cfg);
kafka_host->topic_cfg = NULL; /* rd_kafka_topic_new() destroys conf as per rdkafka.h */
}
}
}
/* Functions */
void p_kafka_init_host(struct p_kafka_host *kafka_host, char *config_file)
{
if (kafka_host) {
memset(kafka_host, 0, sizeof(struct p_kafka_host));
P_broker_timers_set_retry_interval(&kafka_host->btimers, PM_KAFKA_DEFAULT_RETRY);
p_kafka_set_config_file(kafka_host, config_file);
kafka_host->cfg = rd_kafka_conf_new();
if (kafka_host->cfg) {
rd_kafka_conf_set_log_cb(kafka_host->cfg, p_kafka_logger);
rd_kafka_conf_set_error_cb(kafka_host->cfg, p_kafka_msg_error);
rd_kafka_conf_set_dr_cb(kafka_host->cfg, p_kafka_msg_delivered);
rd_kafka_conf_set_opaque(kafka_host->cfg, kafka_host);
p_kafka_apply_global_config(kafka_host);
if (config.debug) {
const char **res;
size_t res_len, idx;
res = rd_kafka_conf_dump(kafka_host->cfg, &res_len);
for (idx = 0; idx < res_len; idx += 2)
Log(LOG_DEBUG, "DEBUG ( %s/%s ): librdkafka global config: %s = %s\n", config.name, config.type, res[idx], res[idx + 1]);
rd_kafka_conf_dump_free(res, res_len);
}
}
}
}
int main (int argc, char **argv) {
if (argc < 0 /* always false */) {
rd_kafka_version();
rd_kafka_version_str();
rd_kafka_err2str(RD_KAFKA_RESP_ERR_NO_ERROR);
rd_kafka_errno2err(EINVAL);
rd_kafka_conf_new();
rd_kafka_conf_destroy(NULL);
rd_kafka_conf_dup(NULL);
rd_kafka_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_conf_set_dr_cb(NULL, NULL);
rd_kafka_conf_set_error_cb(NULL, NULL);
rd_kafka_conf_set_stats_cb(NULL, NULL);
rd_kafka_conf_set_opaque(NULL, NULL);
rd_kafka_conf_dump(NULL, NULL);
rd_kafka_topic_conf_dump(NULL, NULL);
rd_kafka_conf_dump_free(NULL, 0);
rd_kafka_conf_properties_show(NULL);
rd_kafka_topic_conf_new();
rd_kafka_topic_conf_dup(NULL);
rd_kafka_topic_conf_destroy(NULL);
rd_kafka_topic_conf_set(NULL, NULL, NULL, NULL, 0);
rd_kafka_topic_conf_set_opaque(NULL, NULL);
rd_kafka_topic_conf_set_partitioner_cb(NULL, NULL);
rd_kafka_topic_partition_available(NULL, 0);
rd_kafka_msg_partitioner_random(NULL, NULL, 0, 0, NULL, NULL);
rd_kafka_new(0, NULL, NULL, 0);
rd_kafka_destroy(NULL);
rd_kafka_name(NULL);
rd_kafka_topic_new(NULL, NULL, NULL);
rd_kafka_topic_destroy(NULL);
rd_kafka_topic_name(NULL);
rd_kafka_message_destroy(NULL);
rd_kafka_message_errstr(NULL);
rd_kafka_consume_start(NULL, 0, 0);
rd_kafka_consume_stop(NULL, 0);
rd_kafka_consume(NULL, 0, 0);
rd_kafka_consume_batch(NULL, 0, 0, NULL, 0);
rd_kafka_consume_callback(NULL, 0, 0, NULL, NULL);
rd_kafka_offset_store(NULL, 0, 0);
rd_kafka_produce(NULL, 0, 0, NULL, 0, NULL, 0, NULL);
rd_kafka_poll(NULL, 0);
rd_kafka_brokers_add(NULL, NULL);
rd_kafka_set_logger(NULL, NULL);
rd_kafka_set_log_level(NULL, 0);
rd_kafka_log_print(NULL, 0, NULL, NULL);
rd_kafka_log_syslog(NULL, 0, NULL, NULL);
rd_kafka_outq_len(NULL);
rd_kafka_dump(NULL, NULL);
rd_kafka_thread_cnt();
rd_kafka_wait_destroyed(0);
}
return 0;
}
int main_0004_conf (int argc, char **argv) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *ignore_conf, *conf, *conf2;
rd_kafka_topic_conf_t *ignore_topic_conf, *tconf, *tconf2;
char errstr[512];
const char **arr_orig, **arr_dup;
size_t cnt_orig, cnt_dup;
int i;
const char *topic;
static const char *gconfs[] = {
"message.max.bytes", "12345", /* int property */
"client.id", "my id", /* string property */
"debug", "topic,metadata", /* S2F property */
"topic.blacklist", "__.*", /* #778 */
"auto.offset.reset", "earliest", /* Global->Topic fallthru */
#if WITH_ZLIB
"compression.codec", "gzip", /* S2I property */
#endif
NULL
};
static const char *tconfs[] = {
"request.required.acks", "-1", /* int */
"auto.commit.enable", "false", /* bool */
"auto.offset.reset", "error", /* S2I */
"offset.store.path", "my/path", /* string */
NULL
};
test_conf_init(&ignore_conf, &ignore_topic_conf, 10);
rd_kafka_conf_destroy(ignore_conf);
rd_kafka_topic_conf_destroy(ignore_topic_conf);
topic = test_mk_topic_name("0004", 0);
/* Set up a global config object */
conf = rd_kafka_conf_new();
rd_kafka_conf_set_dr_cb(conf, dr_cb);
rd_kafka_conf_set_error_cb(conf, error_cb);
for (i = 0 ; gconfs[i] ; i += 2) {
if (rd_kafka_conf_set(conf, gconfs[i], gconfs[i+1],
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
}
/* Set up a topic config object */
tconf = rd_kafka_topic_conf_new();
rd_kafka_topic_conf_set_partitioner_cb(tconf, partitioner);
rd_kafka_topic_conf_set_opaque(tconf, (void *)0xbeef);
for (i = 0 ; tconfs[i] ; i += 2) {
if (rd_kafka_topic_conf_set(tconf, tconfs[i], tconfs[i+1],
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
}
/* Verify global config */
arr_orig = rd_kafka_conf_dump(conf, &cnt_orig);
conf_verify(__LINE__, arr_orig, cnt_orig, gconfs);
/* Verify copied global config */
conf2 = rd_kafka_conf_dup(conf);
arr_dup = rd_kafka_conf_dump(conf2, &cnt_dup);
conf_verify(__LINE__, arr_dup, cnt_dup, gconfs);
conf_cmp("global", arr_orig, cnt_orig, arr_dup, cnt_dup);
rd_kafka_conf_dump_free(arr_orig, cnt_orig);
rd_kafka_conf_dump_free(arr_dup, cnt_dup);
/* Verify topic config */
arr_orig = rd_kafka_topic_conf_dump(tconf, &cnt_orig);
conf_verify(__LINE__, arr_orig, cnt_orig, tconfs);
/* Verify copied topic config */
tconf2 = rd_kafka_topic_conf_dup(tconf);
arr_dup = rd_kafka_topic_conf_dump(tconf2, &cnt_dup);
conf_verify(__LINE__, arr_dup, cnt_dup, tconfs);
conf_cmp("topic", arr_orig, cnt_orig, arr_dup, cnt_dup);
rd_kafka_conf_dump_free(arr_orig, cnt_orig);
rd_kafka_conf_dump_free(arr_dup, cnt_dup);
/*
* Create kafka instances using original and copied confs
*/
/* original */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
rkt = rd_kafka_topic_new(rk, topic, tconf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* copied */
rk = test_create_handle(RD_KAFKA_PRODUCER, conf2);
rkt = rd_kafka_topic_new(rk, topic, tconf2);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
rd_strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* Incremental S2F property.
* NOTE: The order of fields returned in get() is hardcoded here. */
{
static const char *s2fs[] = {
"generic,broker,queue,cgrp",
"generic,broker,queue,cgrp",
"-broker,+queue,topic",
"generic,topic,queue,cgrp",
"-all,security,-fetch,+metadata",
"metadata,security",
NULL
};
TEST_SAY("Incremental S2F tests\n");
conf = rd_kafka_conf_new();
for (i = 0 ; s2fs[i] ; i += 2) {
const char *val;
TEST_SAY(" Set: %s\n", s2fs[i]);
test_conf_set(conf, "debug", s2fs[i]);
val = test_conf_get(conf, "debug");
TEST_SAY(" Now: %s\n", val);
if (strcmp(val, s2fs[i+1]))
TEST_FAIL_LATER("\n"
"Expected: %s\n"
" Got: %s",
s2fs[i+1], val);
}
rd_kafka_conf_destroy(conf);
}
/* Canonical int values, aliases, s2i-verified strings */
{
static const struct {
const char *prop;
const char *val;
const char *exp;
int is_global;
} props[] = {
{ "request.required.acks", "0", "0" },
{ "request.required.acks", "-1", "-1" },
{ "request.required.acks", "1", "1" },
{ "acks", "3", "3" }, /* alias test */
{ "request.required.acks", "393", "393" },
{ "request.required.acks", "bad", NULL },
{ "request.required.acks", "all", "-1" },
{ "request.required.acks", "all", "-1", 1/*fallthru*/ },
{ "acks", "0", "0" }, /* alias test */
#if WITH_SASL
{ "sasl.mechanisms", "GSSAPI", "GSSAPI", 1 },
{ "sasl.mechanisms", "PLAIN", "PLAIN", 1 },
{ "sasl.mechanisms", "GSSAPI,PLAIN", NULL, 1 },
{ "sasl.mechanisms", "", NULL, 1 },
#endif
{ NULL }
};
TEST_SAY("Canonical tests\n");
tconf = rd_kafka_topic_conf_new();
conf = rd_kafka_conf_new();
for (i = 0 ; props[i].prop ; i++) {
char dest[64];
size_t destsz;
rd_kafka_conf_res_t res;
TEST_SAY(" Set: %s=%s expect %s (%s)\n",
props[i].prop, props[i].val, props[i].exp,
props[i].is_global ? "global":"topic");
/* Set value */
if (props[i].is_global)
res = rd_kafka_conf_set(conf,
props[i].prop,
props[i].val,
errstr, sizeof(errstr));
else
res = rd_kafka_topic_conf_set(tconf,
props[i].prop,
props[i].val,
errstr,
sizeof(errstr));
if ((res == RD_KAFKA_CONF_OK ? 1:0) !=
(props[i].exp ? 1:0))
TEST_FAIL("Expected %s, got %s",
props[i].exp ? "success" : "failure",
(res == RD_KAFKA_CONF_OK ? "OK" :
(res == RD_KAFKA_CONF_INVALID ? "INVALID" :
"UNKNOWN")));
if (!props[i].exp)
continue;
/* Get value and compare to expected result */
destsz = sizeof(dest);
if (props[i].is_global)
res = rd_kafka_conf_get(conf,
props[i].prop,
dest, &destsz);
else
res = rd_kafka_topic_conf_get(tconf,
props[i].prop,
dest, &destsz);
TEST_ASSERT(res == RD_KAFKA_CONF_OK,
".._conf_get(%s) returned %d",
props[i].prop, res);
TEST_ASSERT(!strcmp(props[i].exp, dest),
"Expected \"%s\", got \"%s\"",
props[i].exp, dest);
}
rd_kafka_topic_conf_destroy(tconf);
rd_kafka_conf_destroy(conf);
}
return 0;
}
int main (int argc, char **argv) {
rd_kafka_topic_t *rkt;
char *brokers = "localhost:9092";
char mode = 'C';
char *topic = NULL;
int partition = RD_KAFKA_PARTITION_UA;
int opt;
rd_kafka_conf_t *conf;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
const char *debug = NULL;
int64_t start_offset = 0;
int report_offsets = 0;
int do_conf_dump = 0;
quiet = !isatty(STDIN_FILENO);
/* Kafka configuration */
conf = rd_kafka_conf_new();
/* Topic configuration */
topic_conf = rd_kafka_topic_conf_new();
while ((opt = getopt(argc, argv, "PCLt:p:b:z:qd:o:eX:A")) != -1) {
switch (opt) {
case 'P':
case 'C':
case 'L':
mode = opt;
break;
case 't':
topic = optarg;
break;
case 'p':
partition = atoi(optarg);
break;
case 'b':
brokers = optarg;
break;
case 'z':
if (rd_kafka_conf_set(conf, "compression.codec",
optarg,
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
break;
case 'o':
if (!strcmp(optarg, "end"))
start_offset = RD_KAFKA_OFFSET_END;
else if (!strcmp(optarg, "beginning"))
start_offset = RD_KAFKA_OFFSET_BEGINNING;
else if (!strcmp(optarg, "stored"))
start_offset = RD_KAFKA_OFFSET_STORED;
else if (!strcmp(optarg, "report"))
report_offsets = 1;
else
start_offset = strtoll(optarg, NULL, 10);
break;
case 'e':
exit_eof = 1;
break;
case 'd':
debug = optarg;
break;
case 'q':
quiet = 1;
break;
case 'A':
output = OUTPUT_RAW;
break;
case 'X':
{
char *name, *val;
rd_kafka_conf_res_t res;
if (!strcmp(optarg, "list") ||
!strcmp(optarg, "help")) {
rd_kafka_conf_properties_show(stdout);
exit(0);
}
if (!strcmp(optarg, "dump")) {
do_conf_dump = 1;
continue;
}
name = optarg;
if (!(val = strchr(name, '='))) {
fprintf(stderr, "%% Expected "
"-X property=value, not %s\n", name);
exit(1);
}
*val = '\0';
val++;
res = RD_KAFKA_CONF_UNKNOWN;
/* Try "topic." prefixed properties on topic
* conf first, and then fall through to global if
* it didnt match a topic configuration property. */
if (!strncmp(name, "topic.", strlen("topic.")))
res = rd_kafka_topic_conf_set(topic_conf,
name+
strlen("topic."),
val,
errstr,
sizeof(errstr));
if (res == RD_KAFKA_CONF_UNKNOWN)
res = rd_kafka_conf_set(conf, name, val,
errstr, sizeof(errstr));
if (res != RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% %s\n", errstr);
exit(1);
}
}
break;
default:
goto usage;
}
}
if (do_conf_dump) {
const char **arr;
size_t cnt;
int pass;
for (pass = 0 ; pass < 2 ; pass++) {
int i;
if (pass == 0) {
arr = rd_kafka_conf_dump(conf, &cnt);
printf("# Global config\n");
} else {
printf("# Topic config\n");
arr = rd_kafka_topic_conf_dump(topic_conf,
&cnt);
}
for (i = 0 ; i < cnt ; i += 2)
printf("%s = %s\n",
arr[i], arr[i+1]);
printf("\n");
rd_kafka_conf_dump_free(arr, cnt);
}
exit(0);
}
if (optind != argc || (mode != 'L' && !topic)) {
usage:
fprintf(stderr,
"Usage: %s -C|-P|-L -t <topic> "
"[-p <partition>] [-b <host1:port1,host2:port2,..>]\n"
"\n"
"librdkafka version %s (0x%08x)\n"
"\n"
" Options:\n"
" -C | -P Consumer or Producer mode\n"
" -L Metadata list mode\n"
" -t <topic> Topic to fetch / produce\n"
" -p <num> Partition (random partitioner)\n"
" -b <brokers> Broker address (localhost:9092)\n"
" -z <codec> Enable compression:\n"
" none|gzip|snappy\n"
" -o <offset> Start offset (consumer)\n"
" -o report Report message offsets (producer)\n"
" -e Exit consumer when last message\n"
" in partition has been received.\n"
" -d [facs..] Enable debugging contexts:\n"
" -q Be quiet\n"
" -A Raw payload output (consumer)\n"
" %s\n"
" -X <prop=name> Set arbitrary librdkafka "
"configuration property\n"
" Properties prefixed with \"topic.\" "
"will be set on topic object.\n"
" Use '-X list' to see the full list\n"
" of supported properties.\n"
"\n"
" In Consumer mode:\n"
" writes fetched messages to stdout\n"
" In Producer mode:\n"
" reads messages from stdin and sends to broker\n"
" In List mode:\n"
" queries broker for metadata information, "
"topic is optional.\n"
"\n"
"\n"
"\n",
argv[0],
rd_kafka_version_str(), rd_kafka_version(),
RD_KAFKA_DEBUG_CONTEXTS);
exit(1);
}
signal(SIGINT, stop);
signal(SIGUSR1, sig_usr1);
if (debug &&
rd_kafka_conf_set(conf, "debug", debug, errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK) {
fprintf(stderr, "%% Debug configuration failed: %s: %s\n",
errstr, debug);
exit(1);
}
if (mode == 'P') {
/*
* Producer
*/
char buf[2048];
int sendcnt = 0;
/* Set up a message delivery report callback.
* It will be called once for each message, either on successful
* delivery to broker, or upon failure to deliver to broker. */
/* If offset reporting (-o report) is enabled, use the
* richer dr_msg_cb instead. */
if (report_offsets) {
rd_kafka_topic_conf_set(topic_conf,
"produce.offset.report",
"true", errstr, sizeof(errstr));
rd_kafka_conf_set_dr_msg_cb(conf, msg_delivered2);
} else
rd_kafka_conf_set_dr_cb(conf, msg_delivered);
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new producer: %s\n",
errstr);
exit(1);
}
/* Set logger */
rd_kafka_set_logger(rk, logger);
rd_kafka_set_log_level(rk, LOG_DEBUG);
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
if (!quiet)
fprintf(stderr,
"%% Type stuff and hit enter to send\n");
while (run && fgets(buf, sizeof(buf), stdin)) {
size_t len = strlen(buf);
if (buf[len-1] == '\n')
buf[--len] = '\0';
/* Send/Produce message. */
if (rd_kafka_produce(rkt, partition,
RD_KAFKA_MSG_F_COPY,
/* Payload and length */
buf, len,
/* Optional key and its length */
NULL, 0,
/* Message opaque, provided in
* delivery report callback as
* msg_opaque. */
NULL) == -1) {
fprintf(stderr,
"%% Failed to produce to topic %s "
"partition %i: %s\n",
rd_kafka_topic_name(rkt), partition,
rd_kafka_err2str(
rd_kafka_errno2err(errno)));
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
continue;
}
if (!quiet)
fprintf(stderr, "%% Sent %zd bytes to topic "
"%s partition %i\n",
len, rd_kafka_topic_name(rkt), partition);
sendcnt++;
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
}
/* Poll to handle delivery reports */
rd_kafka_poll(rk, 0);
/* Wait for messages to be delivered */
while (run && rd_kafka_outq_len(rk) > 0)
rd_kafka_poll(rk, 100);
/* Destroy the handle */
rd_kafka_destroy(rk);
} else if (mode == 'C') {
/*
* Consumer
*/
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_CONSUMER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new consumer: %s\n",
errstr);
exit(1);
}
/* Set logger */
rd_kafka_set_logger(rk, logger);
rd_kafka_set_log_level(rk, LOG_DEBUG);
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Create topic */
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
/* Start consuming */
if (rd_kafka_consume_start(rkt, partition, start_offset) == -1){
fprintf(stderr, "%% Failed to start consuming: %s\n",
rd_kafka_err2str(rd_kafka_errno2err(errno)));
exit(1);
}
while (run) {
rd_kafka_message_t *rkmessage;
/* Consume single message.
* See rdkafka_performance.c for high speed
* consuming of messages. */
rkmessage = rd_kafka_consume(rkt, partition, 1000);
if (!rkmessage) /* timeout */
continue;
msg_consume(rkmessage, NULL);
/* Return message to rdkafka */
rd_kafka_message_destroy(rkmessage);
}
/* Stop consuming */
rd_kafka_consume_stop(rkt, partition);
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
} else if (mode == 'L') {
rd_kafka_resp_err_t err = RD_KAFKA_RESP_ERR_NO_ERROR;
/* Create Kafka handle */
if (!(rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr)))) {
fprintf(stderr,
"%% Failed to create new producer: %s\n",
errstr);
exit(1);
}
/* Set logger */
rd_kafka_set_logger(rk, logger);
rd_kafka_set_log_level(rk, LOG_DEBUG);
/* Add brokers */
if (rd_kafka_brokers_add(rk, brokers) == 0) {
fprintf(stderr, "%% No valid brokers specified\n");
exit(1);
}
/* Create topic */
if (topic)
rkt = rd_kafka_topic_new(rk, topic, topic_conf);
else
rkt = NULL;
while (run) {
const struct rd_kafka_metadata *metadata;
/* Fetch metadata */
err = rd_kafka_metadata(rk, rkt ? 0 : 1, rkt,
&metadata, 5000);
if (err != RD_KAFKA_RESP_ERR_NO_ERROR) {
fprintf(stderr,
"%% Failed to acquire metadata: %s\n",
rd_kafka_err2str(err));
run = 0;
break;
}
metadata_print(topic, metadata);
rd_kafka_metadata_destroy(metadata);
run = 0;
}
/* Destroy the handle */
rd_kafka_destroy(rk);
/* Exit right away, dont wait for background cleanup, we haven't
* done anything important anyway. */
exit(err ? 2 : 0);
}
/* Let background threads clean up and terminate cleanly. */
rd_kafka_wait_destroyed(2000);
return 0;
}
int main (int argc, char **argv) {
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
rd_kafka_conf_t *ignore_conf, *conf, *conf2;
rd_kafka_topic_conf_t *ignore_topic_conf, *tconf, *tconf2;
char errstr[512];
const char **arr_orig, **arr_dup;
size_t cnt_orig, cnt_dup;
int i;
const char *topic;
static const char *gconfs[] = {
"message.max.bytes", "12345", /* int property */
"client.id", "my id", /* string property */
"debug", "topic,metadata", /* S2F property */
"compression.codec", "gzip", /* S2I property */
NULL
};
static const char *tconfs[] = {
"request.required.acks", "-1", /* int */
"auto.commit.enable", "false", /* bool */
"auto.offset.reset", "error", /* S2I */
"offset.store.path", "my/path", /* string */
NULL
};
test_conf_init(&ignore_conf, &ignore_topic_conf, 10);
rd_kafka_conf_destroy(ignore_conf);
rd_kafka_topic_conf_destroy(ignore_topic_conf);
topic = test_mk_topic_name("generic", 0);
/* Set up a global config object */
conf = rd_kafka_conf_new();
rd_kafka_conf_set_dr_cb(conf, dr_cb);
rd_kafka_conf_set_error_cb(conf, error_cb);
for (i = 0 ; gconfs[i] ; i += 2) {
if (rd_kafka_conf_set(conf, gconfs[i], gconfs[i+1],
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
}
/* Set up a topic config object */
tconf = rd_kafka_topic_conf_new();
rd_kafka_topic_conf_set_partitioner_cb(tconf, partitioner);
rd_kafka_topic_conf_set_opaque(tconf, (void *)0xbeef);
for (i = 0 ; tconfs[i] ; i += 2) {
if (rd_kafka_topic_conf_set(tconf, tconfs[i], tconfs[i+1],
errstr, sizeof(errstr)) !=
RD_KAFKA_CONF_OK)
TEST_FAIL("%s\n", errstr);
}
/* Verify global config */
arr_orig = rd_kafka_conf_dump(conf, &cnt_orig);
conf_verify(__LINE__, arr_orig, cnt_orig, gconfs);
/* Verify copied global config */
conf2 = rd_kafka_conf_dup(conf);
arr_dup = rd_kafka_conf_dump(conf2, &cnt_dup);
conf_verify(__LINE__, arr_dup, cnt_dup, gconfs);
conf_cmp("global", arr_orig, cnt_orig, arr_dup, cnt_dup);
rd_kafka_conf_dump_free(arr_orig, cnt_orig);
rd_kafka_conf_dump_free(arr_dup, cnt_dup);
/* Verify topic config */
arr_orig = rd_kafka_topic_conf_dump(tconf, &cnt_orig);
conf_verify(__LINE__, arr_orig, cnt_orig, tconfs);
/* Verify copied topic config */
tconf2 = rd_kafka_topic_conf_dup(tconf);
arr_dup = rd_kafka_topic_conf_dump(tconf2, &cnt_dup);
conf_verify(__LINE__, arr_dup, cnt_dup, tconfs);
conf_cmp("topic", arr_orig, cnt_orig, arr_dup, cnt_dup);
rd_kafka_conf_dump_free(arr_orig, cnt_orig);
rd_kafka_conf_dump_free(arr_dup, cnt_dup);
/*
* Create kafka instances using original and copied confs
*/
/* original */
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
rkt = rd_kafka_topic_new(rk, topic, tconf);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* copied */
rk = rd_kafka_new(RD_KAFKA_PRODUCER, conf2,
errstr, sizeof(errstr));
if (!rk)
TEST_FAIL("Failed to create rdkafka instance: %s\n", errstr);
rkt = rd_kafka_topic_new(rk, topic, tconf2);
if (!rkt)
TEST_FAIL("Failed to create topic: %s\n",
strerror(errno));
rd_kafka_topic_destroy(rkt);
rd_kafka_destroy(rk);
/* Wait for everything to be cleaned up since broker destroys are
* handled in its own thread. */
test_wait_exit(2);
/* If we havent failed at this point then
* there were no threads leaked */
return 0;
}
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;
}
