function commitOffset($groupId, $topic, $brokerId, $partition, \Kafka\Offset $offset)
{
$this->zkConnect();
$path = "/consumers/{$groupId}/offsets/{$topic}";
if (!$this->zk->exists($path)) {
$this->createPermaNode($path);
}
if (!$this->zk->exists("{$path}/{$brokerId}-{$partition}")) {
$this->createPermaNode("{$path}/{$brokerId}-{$partition}", $offset->__toString());
} else {
$this->zk->set("{$path}/{$brokerId}-{$partition}", $offset->__toString());
}
}
/**
* on partition eof call
*
* @param \Kafka\Protocol\Fetch\Partition $partition
* @access public
* @return void
*/
public function onPartitionEof($partition)
{
$partitionId = $partition->key();
$topicName = $partition->getTopicName();
$offset = $partition->getMessageOffset() + 1;
$offsetObject = new Offset($this->client, $this->group, $topicName, $partitionId);
$offsetObject->setOffset($offset);
}
/**
* Offsets
*
* @param string $topic
* @param int $partition
* @param mixed $time
* @param unknown_type $maxNumOffsets
*/
public function offsets($topic, $partition = 0, $time = \Kafka\Kafka::OFFSETS_LATEST, $maxNumOffsets = 2)
{
$data = pack('n', \Kafka\Kafka::REQUEST_KEY_OFFSETS);
$data .= pack('n', strlen($topic)) . $topic;
$data .= pack('N', $partition);
if (is_string($time) || $time < 0) {
//convert literal to Offset
$offset = new Offset($time);
} else {
//make 64-bit unix timestamp offset
$offset = new Offset();
for ($i = 0; $i < 1000 * 1; $i++) {
$offset->addInt($time);
}
}
$data .= $offset->getData();
$data .= pack('N', $maxNumOffsets);
$this->send($data);
if ($this->hasIncomingData()) {
$h = unpack('N', $this->read(4));
$offsetsLength = array_shift($h);
if ($offsetsLength > 0) {
$offsets = array_fill(0, $offsetsLength, null);
for ($i = 0; $i < $offsetsLength; $i++) {
$offset = new Offset();
$offset->setData($this->read(8));
$offsets[$i] = $offset;
}
if (!$this->hasIncomingData()) {
return $offsets;
}
}
}
return false;
}
