/**
* Update data inside descriptor to make one more attempt
*
* @param RequestDescriptor $descriptor Operation descriptor
* @param string $when When Timeout occurerd, one of TimeoutEvent::DURING_* consts
*
* @return void
*/
private function updateMetadataForAttempt(RequestDescriptor $descriptor, $when)
{
switch ($when) {
case TimeoutEvent::DURING_IO:
$descriptor->setMetadata(RequestExecutorInterface::META_LAST_IO_START_TIME, null);
break;
case TimeoutEvent::DURING_CONNECTION:
$descriptor->setRunning(false);
$descriptor->setMetadata([RequestExecutorInterface::META_LAST_IO_START_TIME => null, RequestExecutorInterface::META_CONNECTION_START_TIME => null, RequestExecutorInterface::META_CONNECTION_FINISH_TIME => null]);
break;
}
}
/**
* Set start or finish time in metadata of the socket
*
* @param RequestDescriptor $requestDescriptor Socket meta data
* @param string $key Metadata key to set
*
* @return void
* @throws \InvalidArgumentException
*/
protected function setSocketOperationTime(RequestDescriptor $requestDescriptor, $key)
{
$meta = $requestDescriptor->getMetadata();
$table = [RequestExecutorInterface::META_CONNECTION_START_TIME => $meta[RequestExecutorInterface::META_CONNECTION_START_TIME] === null, RequestExecutorInterface::META_CONNECTION_FINISH_TIME => $meta[RequestExecutorInterface::META_CONNECTION_FINISH_TIME] === null, RequestExecutorInterface::META_LAST_IO_START_TIME => $meta[RequestExecutorInterface::META_CONNECTION_FINISH_TIME] !== null];
if (isset($table[$key]) && $table[$key]) {
$requestDescriptor->setMetadata($key, microtime(true));
}
}
/**
* Disconnects given socket descriptor
*
* @param RequestDescriptor $descriptor Socket descriptor
*
* @return void
*/
public function disconnect(RequestDescriptor $descriptor)
{
$meta = $descriptor->getMetadata();
$socket = $descriptor->getSocket();
$descriptor->setMetadata(RequestExecutorInterface::META_REQUEST_COMPLETE, true);
try {
$socket->close();
if ($meta[RequestExecutorInterface::META_CONNECTION_FINISH_TIME] !== null) {
$this->callSocketSubscribers($descriptor, $this->createEvent($descriptor, EventType::DISCONNECTED));
}
} catch (SocketException $e) {
$this->callExceptionSubscribers($descriptor, $e);
}
$this->callSocketSubscribers($descriptor, $this->createEvent($descriptor, EventType::FINALIZE));
$this->removeOperationsFromSelector($descriptor);
}
/**
* Fill next operation in given object and return flag indicating whether operation is required
*
* @param RequestDescriptor $requestDescriptor Request descriptor object
* @param OperationInterface $nextOperation Next operation object
*
* @return bool True if given operation is complete
*/
private function resolveNextOperation(RequestDescriptor $requestDescriptor, OperationInterface $nextOperation)
{
if ($nextOperation instanceof NullOperation) {
$requestDescriptor->setOperation($nextOperation);
return true;
}
if ($requestDescriptor->getOperation() === $nextOperation) {
return false;
}
$requestDescriptor->setOperation($nextOperation);
$requestDescriptor->setMetadata([RequestExecutorInterface::META_LAST_IO_START_TIME => null]);
return false;
}
