/**
* @param array $topics
*/
private function loadTopicDetail(array $topics)
{
if ($this->client === null) {
throw new \Kafka\Exception('client was not provided');
}
$response = null;
foreach ($this->hostList as $host) {
try {
$response = null;
$stream = $this->client->getStream($host);
$conn = $stream['stream'];
$encoder = new \Kafka\Protocol\Encoder($conn);
$encoder->metadataRequest($topics);
$decoder = new \Kafka\Protocol\Decoder($conn);
$response = $decoder->metadataResponse();
$this->client->freeStream($stream['key']);
break;
} catch (\Kafka\Exception $e) {
// keep trying
}
}
if ($response) {
// Merge arrays using "+" operator to preserve key (which are broker IDs)
// instead of array_merge (which reindex numeric keys)
$this->brokers = $response['brokers'] + $this->brokers;
$this->topics = array_merge($response['topics'], $this->topics);
} else {
throw new \Kafka\Exception('Could not connect to any kafka brokers');
}
}
<?php
require 'autoloader.php';
$data = array('test1');
$conn = new \Kafka\Socket('192.168.1.115', '9092');
$conn->connect();
$encoder = new \Kafka\Protocol\Encoder($conn);
$encoder->metadataRequest($data);
$decoder = new \Kafka\Protocol\Decoder($conn);
$result = $decoder->metadataResponse();
var_dump($result);
/**
* testMetadataRequest
*
* @access public
* @return void
*/
public function testMetadataRequest()
{
$encoder = new \Kafka\Protocol\Encoder($this->stream);
$data = array();
try {
$encoder->metadataRequest(null);
} catch (\Kafka\Exception\Protocol $e) {
$this->assertSame('request metadata topic array have invalid value. ', $e->getMessage());
}
$data = array('test', 'test1');
$len = $encoder->metadataRequest($data);
$this->assertEquals('00000024000300000000000000096b61666b612d7068700000000200047465737400057465737431', $this->getData($len));
$this->stream->rewind();
$data = 'test1';
$len = $encoder->metadataRequest($data);
$this->assertEquals('0000001e000300000000000000096b61666b612d7068700000000100057465737431', $this->getData($len));
}
