laravel4cookbook

Real Time Chat 187
123
124 protected function getOptions()
125 {
126 return [
127 [
128 "port",
129 null,
130 InputOption::VALUE_REQUIRED,
131 "Port to listen on.",
132 null
133 ]
134 ];
135 }
136 }
This file should be saved as workbench/formativ/chat/src/Formativ/Chat/Command/Serve.php.
.
The reason for us adding the event emitter to the equation should now be obvious — we need a way
to tie into the delegated events, of the Chat class, without leaking the abstraction we gain from it.
In other words; we don’t want the Chat class to know of the existence of the artisan command.
Similarly; we don’t want the artisan command to know of the onOpen, onMessage, onError and
onMessage methods so instead we use a publish/subscribe model for notifying the command of
changes. The result is a clean abstraction.
The fire() method gets (or defaults) the port and starts the Ratchet web socket server.
.
The method we’re using, to start the server, is not the only way it can be started. You can learn
more about the web socket server at: http://socketo.me/docs/websocket.
Connecting To The Socket Server
To connect to the web socket server; we need to add a bit of vanilla JavaScript: