1: <?php
 2: namespace Ratchet;
 3: 
 4: /**
 5:  * This is the interface to build a Ratchet application with.
 6:  * It implements the decorator pattern to build an application stack
 7:  */
 8: interface ComponentInterface {
 9:     /**
10:      * When a new connection is opened it will be passed to this method
11:      * @param  ConnectionInterface $conn The socket/connection that just connected to your application
12:      * @throws \Exception
13:      */
14:     function onOpen(ConnectionInterface $conn);
15: 
16:     /**
17:      * This is called before or after a socket is closed (depends on how it's closed).  SendMessage to $conn will not result in an error if it has already been closed.
18:      * @param  ConnectionInterface $conn The socket/connection that is closing/closed
19:      * @throws \Exception
20:      */
21:     function onClose(ConnectionInterface $conn);
22: 
23:     /**
24:      * If there is an error with one of the sockets, or somewhere in the application where an Exception is thrown,
25:      * the Exception is sent back down the stack, handled by the Server and bubbled back up the application through this method
26:      * @param  ConnectionInterface $conn
27:      * @param  \Exception          $e
28:      * @throws \Exception
29:      */
30:     function onError(ConnectionInterface $conn, \Exception $e);
31: }
32: