/**
* Perform data writing to socket and return suitable next socket operation
*
* @param WriteOperation $operation Current write operation instance
* @param SocketInterface $socket Socket object
* @param OperationInterface $nextOperation Desirable next operation
*
* @return OperationInterface Actual next operation
*/
private function writeDataToSocket(WriteOperation $operation, SocketInterface $socket, OperationInterface $nextOperation = null)
{
$result = $nextOperation;
$extractNextOperation = true;
if ($operation->hasData()) {
$data = $operation->getData();
$length = strlen($data);
$written = $socket->write($data, $operation->isOutOfBand());
if ($length !== $written) {
$extractNextOperation = false;
$operation = $this->makeInProgressWriteOperation($operation, $nextOperation);
$operation->setData(substr($operation->getData(), $written));
$result = $operation;
}
}
if ($extractNextOperation && $operation instanceof InProgressWriteOperation) {
/** @var InProgressWriteOperation $operation */
$result = $operation->getNextOperation();
}
return $result;
}
/**
* Check whether given socket should be disconnected
*
* @param SocketInterface $socket Socket object
*
* @return bool
*/
private function isDisconnectRequired(SocketInterface $socket)
{
return $socket instanceof PersistentClientSocket && (feof($socket->getStreamResource()) !== false || !stream_socket_get_name($socket->getStreamResource(), true)) || !$socket instanceof PersistentClientSocket;
}
/** {@inheritdoc} */
public function getStreamResource()
{
return $this->socket->getStreamResource();
}
