/** {@inheritdoc} */
public function processStage(array $requestDescriptors)
{
$this->initLastIoOperationInfo($requestDescriptors);
$udpOperations = $this->findConnectionLessSockets($requestDescriptors);
if ($udpOperations) {
// do not perform actual select, since these requestDescriptors must be processed immediately
return $udpOperations;
}
/** @var RequestDescriptor[] $requestDescriptors */
foreach ($requestDescriptors as $descriptor) {
$this->selector->addSocketOperation($descriptor, $descriptor->getOperation()->getType());
}
try {
$timeout = $this->calculateSelectorTimeout($requestDescriptors);
$context = $this->selector->select($timeout['sec'], $timeout['microsec']);
return $this->getUniqueDescriptors(array_merge($this->markDescriptors($context->getRead(), RequestDescriptor::RDS_READ), $this->markDescriptors($context->getWrite(), RequestDescriptor::RDS_WRITE), $this->markDescriptors($context->getOob(), RequestDescriptor::RDS_OOB)));
} catch (TimeoutException $e) {
return [];
}
}
/**
* Remove given descriptor from selector
*
* @param RequestDescriptor $operation
*
* @return void
*/
private function removeOperationsFromSelector(RequestDescriptor $operation)
{
if ($this->selector) {
$this->selector->removeAllSocketOperations($operation);
}
}
