kafka生产者 消费者

publisher.php

<?php

$rk = new RdKafka\Producer();
$rk->addBrokers("192.168.33.50");

$topic = $rk->newTopic("two");

for ($i = 0; $i < 2; $i++) {
	$topic->produce(RD_KAFKA_PARTITION_UA, 0, "发送信息： $i");
	$rk->poll(0);
}

while ($rk->getOutQLen() > 0) {
	$rk->poll(50);
}

?>

　　

consumer.ph

<?php
$conf = new RdKafka\Conf();

$conf->setRebalanceCb(function (RdKafka\KafkaConsumer $kafka, $err, array $partitions = null) {
	switch ($err) {
		case RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS:
			echo "Assign: ";
			var_dump($partitions);
			$kafka->assign($partitions);
			break;

		case RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS:
			echo "Revoke: ";
			var_dump($partitions);
			$kafka->assign(NULL);
			break;

		default:
			throw new \Exception($err);
	}
});

$conf->set('group.id', 'myConsumerGroup');

$conf->set('metadata.broker.list', '192.168.33.50');

$topicConf = new RdKafka\TopicConf();

$topicConf->set('auto.offset.reset', 'smallest');

$consumer = new RdKafka\KafkaConsumer($conf);

$consumer->subscribe(['two']);

while (true) {
	$message = $consumer->consume(120*1000);
	switch ($message->err) {
		case RD_KAFKA_RESP_ERR_NO_ERROR:
			var_dump($message);
			break;
		case RD_KAFKA_RESP_ERR__PARTITION_EOF:
			echo "No more messages; will wait for more\n";
			break;
		case RD_KAFKA_RESP_ERR__TIMED_OUT:
			echo "Timed out\n";
			break;
		default:
			throw new \Exception($message->errstr(), $message->err);
			break;
	}
}

　　

创建topic 不知道如何 用代码创建的topic 生产者就是无法生产

/usr/local/kafka/bin/kafka-topics.sh --create --topic two  --zookeeper 192.168.33.50:2181 --partitions 1 --replication-factor 1

查看topic

/usr/local/kafka/bin/kafka-topics.sh --list --zookeeper 192.168.33.50:2181 --partitions 1 --replication-factor 1