//services
void dr_cb( rdkafka::Message &message )
{
switch ( message.err() )
{
case rdkafka::ERR__TIMED_OUT:
break;
case rdkafka::ERR_NO_ERROR:
{
//real message
m_tym->color( stamp_color::blue );
m_tym->time_stamp();
std::cerr << "DELIVERY: read msg at offset "
<< message.offset()
<< "\n";
if ( message.key() )
{
m_tym->time_stamp();
std::cerr << "key: "
<< message.key() << std::endl;
}
m_tym->time_stamp();
std::cerr << "message-len:"
<< message.len()
<< " "
<< static_cast<const char *>( message.payload() )
<< "\n";
m_tym->clear_color();
break;
}
case rdkafka::ERR__PARTITION_EOF:
{
//last message
//if ( m_eof ) {
// m_run = false;
break;
}
default:
{
std::cerr << "consume failed: " << message.errstr() << std::endl;
m_run = false;
}
}
}
void dr_cb (RdKafka::Message &message) {
if (message.err()) {
state.producer.numErr++;
errorString("producer_send_error", message.errstr(),
message.topic_name(),
message.key(),
std::string(static_cast<const char*>(message.payload()),
message.len()));
} else {
successString("producer_send_success",
message.topic_name(),
(int)message.partition(),
message.offset(),
message.key(),
std::string(static_cast<const char*>(message.payload()),
message.len()));
state.producer.numAcked++;
}
}
static void do_test_null_empty (bool api_version_request) {
std::string topic = Test::mk_topic_name("0070_null_empty", 1);
const int partition = 0;
Test::Say(tostr() << "Testing with api.version.request=" << api_version_request << " on topic " << topic << " partition " << partition << "\n");
RdKafka::Conf *conf;
Test::conf_init(&conf, NULL, 0);
Test::conf_set(conf, "api.version.request",
api_version_request ? "true" : "false");
Test::conf_set(conf, "acks", "all");
std::string errstr;
RdKafka::Producer *p = RdKafka::Producer::create(conf, errstr);
if (!p)
Test::Fail("Failed to create Producer: " + errstr);
delete conf;
const int msgcnt = 8;
static const char *msgs[msgcnt*2] = {
NULL, NULL,
"key2", NULL,
"key3", "val3",
NULL, "val4",
"", NULL,
NULL, "",
"", ""
};
RdKafka::ErrorCode err;
for (int i = 0 ; i < msgcnt * 2 ; i += 2) {
Test::Say(3, tostr() << "Produce message #" << (i/2) <<
": key=\"" << (msgs[i] ? msgs[i] : "Null") <<
"\", value=\"" << (msgs[i+1] ? msgs[i+1] : "Null") << "\"\n");
err = p->produce(topic, partition, RdKafka::Producer::RK_MSG_COPY,
/* Value */
(void *)msgs[i+1], msgs[i+1] ? strlen(msgs[i+1]) : 0,
/* Key */
(void *)msgs[i], msgs[i] ? strlen(msgs[i]) : 0,
0, NULL);
if (err != RdKafka::ERR_NO_ERROR)
Test::Fail("Produce failed: " + RdKafka::err2str(err));
}
if (p->flush(tmout_multip(3*5000)) != 0)
Test::Fail("Not all messages flushed");
Test::Say(tostr() << "Produced " << msgcnt << " messages to " << topic << "\n");
delete p;
/*
* Now consume messages from the beginning, making sure they match
* what was produced.
*/
/* Create consumer */
Test::conf_init(&conf, NULL, 10);
Test::conf_set(conf, "group.id", topic);
Test::conf_set(conf, "api.version.request",
api_version_request ? "true" : "false");
Test::conf_set(conf, "enable.auto.commit", "false");
RdKafka::KafkaConsumer *c = RdKafka::KafkaConsumer::create(conf, errstr);
if (!c)
Test::Fail("Failed to create KafkaConsumer: " + errstr);
delete conf;
/* Assign the partition */
std::vector<RdKafka::TopicPartition*> parts;
parts.push_back(RdKafka::TopicPartition::create(topic, partition,
RdKafka::Topic::OFFSET_BEGINNING));
err = c->assign(parts);
if (err != RdKafka::ERR_NO_ERROR)
Test::Fail("assign() failed: " + RdKafka::err2str(err));
RdKafka::TopicPartition::destroy(parts);
/* Start consuming */
int failures = 0;
for (int i = 0 ; i < msgcnt * 2 ; i += 2) {
RdKafka::Message *msg = c->consume(tmout_multip(5000));
if (msg->err())
Test::Fail(tostr() << "consume() failed at message " << (i/2) << ": " <<
msg->errstr());
/* verify key */
failures += check_equal(msgs[i], msg->key() ? msg->key()->c_str() : NULL, msg->key_len(),
tostr() << "message #" << (i/2) << " (offset " << msg->offset() << ") key");
/* verify key_pointer() API as too */
failures += check_equal(msgs[i], (const char *)msg->key_pointer(), msg->key_len(),
tostr() << "message #" << (i/2) << " (offset " << msg->offset() << ") key");
/* verify value */
failures += check_equal(msgs[i+1], (const char *)msg->payload(), msg->len(),
tostr() << "message #" << (i/2) << " (offset " << msg->offset() << ") value");
delete msg;
}
Test::Say(tostr() << "Done consuming, closing. " << failures << " test failures\n");
if (failures)
Test::Fail(tostr() << "See " << failures << " previous test failure(s)");
c->close();
delete c;
}
void dr_cb (RdKafka::Message &message) {
std::cout << "Message delivery for (" << message.len() << " bytes): " <<
message.errstr() << std::endl;
if (message.key())
std::cout << "Key: " << *(message.key()) << ";" << std::endl;
}
