<?php namespace Ratchet\Protocol\WebSocket; use Ratchet\SocketObserver; use Ratchet\SocketInterface; /** * @todo App interfaces this (optionally) if is meant for WebSocket * @todo WebSocket checks if instanceof AppInterface, if so uses getSubProtocol() when doing handshake */ interface AppInterface extends SocketObserver { /** * @return string */ function getSubProtocol(); /** * @param Ratchet\SocketInterface * @param string * @return Ratchet\Command\CommandInterface|null */ function onOpen(SocketInterface $conn, $headers); }