<?php
require 'autoloader.php';
$data = array('required_ack' => 1, 'timeout' => 1000, 'data' => array(array('topic_name' => 'test', 'partitions' => array(array('partition_id' => 0, 'offset' => 34, 'max_bytes' => 1024)))));
$conn = new \Kafka\Socket('192.168.1.115', '9092');
$conn->connect();
$encoder = new \Kafka\Protocol\Encoder($conn);
$encoder->fetchRequest($data);
$decoder = new \Kafka\Protocol\Decoder($conn);
$topic = $decoder->fetchResponse();
foreach ($topic as $topic_name => $partition) {
foreach ($partition as $partId => $messageSet) {
var_dump($partition->getHighOffset());
foreach ($messageSet as $message) {
var_dump((string) $message);
}
}
}
/**
* fetch message to broker
*
* @access public
* @return void
*/
public function fetch()
{
$data = $this->_formatPayload();
if (empty($data)) {
return false;
}
$responseData = array();
$streams = array();
foreach ($data as $host => $requestData) {
$connArr = $this->client->getStream($host);
$conn = $connArr['stream'];
$encoder = new \Kafka\Protocol\Encoder($conn);
$encoder->fetchRequest($requestData);
$streams[$connArr['key']] = $conn;
}
$fetch = new \Kafka\Protocol\Fetch\Topic($streams, $data);
// register fetch helper
$freeStream = new \Kafka\Protocol\Fetch\Helper\FreeStream($this->client);
$freeStream->setStreams($streams);
\Kafka\Protocol\Fetch\Helper\Helper::registerHelper('freeStream', $freeStream);
// register partition commit offset
$commitOffset = new \Kafka\Protocol\Fetch\Helper\CommitOffset($this->client);
$commitOffset->setGroup($this->group);
\Kafka\Protocol\Fetch\Helper\Helper::registerHelper('commitOffset', $commitOffset);
return $fetch;
}
/**
* testFetchRequest
*
* @access public
* @return void
*/
public function testFetchRequest()
{
$encoder = new \Kafka\Protocol\Encoder($this->stream);
$data = array();
try {
$encoder->fetchRequest($data);
} catch (\Kafka\Exception\Protocol $e) {
$this->assertSame('given fetch kafka data invalid. `data` is undefined.', $e->getMessage());
}
$data = array('data' => array(array('topic_name' => 'debug', 'partitions' => array(array('partition_id' => 1)))));
$len = $encoder->fetchRequest($data);
$this->assertEquals('0000003e000100000000000000096b61666b612d706870ffffffff000000640001000000000001000564656275670000000100000001000000000000000006400000', $this->getData($len));
}
