package {
    import flash.display.Sprite;
    import flash.events.DataEvent;
    import flash.net.XMLSocket;

    public class DataEventExample extends Sprite {
        private var hostName:String = "[yourDomain]";
        private var port:uint = 8080;
        private var socket:XMLSocket;

        public function DataEventExample() {
            socket = new XMLSocket();
            socket.addEventListener(DataEvent.DATA, dataHandler);
            socket.connect(hostName, port);
        }

        private function dataHandler(event:DataEvent):void {
            trace("dataHandler: " + event.data);
        }
    }
}