websocket example

README.md

@@ -161,9 +161,25 @@ console.log(results.tlsServers);
 
 Note: you don't need to create websockets for the plain ports.
 
-```
+```javascript
+var WebSocketServer = require('ws').Server;
+
 results.tlsServers.forEach(function (server) {
+  var wss = new WebSocketServer({ server: server });
+  wss.on('connection', onConnection);
 });
+
+function onConnection(ws) {
+  var location = url.parse(ws.upgradeReq.url, true);
+  // you might use location.query.access_token to authenticate or share sessions
+  // or ws.upgradeReq.headers.cookie (see http://stackoverflow.com/a/16395220/151312)
+  
+  ws.on('message', function incoming(message) {
+    console.log('received: %s', message);
+  });
+
+  ws.send('something');
+}
 ```
 
 ## API