/**
* Resync invalid offsets to the first valid position
*
* @return integer Number of partitions/broker resync'ed
*/
public function resyncOffsets()
{
$nReset = 0;
foreach ($this->iterators as $it) {
$consumer = new SimpleConsumer($it->host, $it->port, $this->socketTimeout, $this->maxBatchSize);
try {
$newOffset = $it->offset + $it->uncommittedOffset;
$request = new FetchRequest($this->topic, $it->partition, $newOffset, $this->maxBatchSize);
$it->messages = $consumer->fetch($request);
} catch (Exception\OffsetOutOfRange $e) {
$offsets = $consumer->getOffsetsBefore($this->topic, $it->partition, SimpleConsumer::OFFSET_FIRST, 1);
if (count($offsets) > 0) {
$newOffset = $offsets[0];
$this->offsetRegistry->commit($this->topic, $it->broker, $it->partition, $newOffset);
$it->uncommittedOffset = 0;
$it->offset = $newOffset;
++$nReset;
}
}
}
return $nReset;
}