// this PHP application require the Composer (1) PHP
// package manager. Once installed and available, you
// need to install the "cboden/ratchet" dependencies (2)
// --
// (1) https://getcomposer.org
// (2) http://socketo.me/docs/install
require dirname(__DIR__) . '/vendor/autoload.php';
use Ratchet\Server\IoServer;
use Ratchet\Http\HttpServer;
use Ratchet\WebSocket\WsServer;
use MyApp\Chat;
use MyApp\Logger;
// $logger is our interface to SYSLOG services. We use it to LOG chat-server
// activities... to SYSLOG (so to be able to "tail -f syslog" to check what's going on)
$logger = new Logger();
$logger->SetDetails(false);
$logger->SetLevel(LOG_DEBUG);
// $loop is our main event-loop object
$logger->debug('Instantiating main loop object');
$loop = React\EventLoop\Factory::create();
// $chat is our main object, handling communications
// with connected browsers, via websockets;
$logger->debug('Instantiating main Chat object');
$chat = new Chat();
// this is our TCP-server that will receive messages
// to be delivered to clients/browsers via websocket;
$logger->debug('Instantiating main "Server" socket object');
$server = new React\Socket\Server($loop);
// Let's define some very-basic code to be run when something is
// received on the main socket (the one supposed to RECEIVE the
