Added the first experiment with socket.io

src/app.js

@@ -37,4 +37,16 @@ app.post('/blog/new', function (req, res) {
 });
 
 app.listen(3000);
-console.log('Express server started on port %s', app.address().port);
+console.log('Express server started on port %s', app.address().port);
+
+var io = require('socket.io');
+var socket = io.listen(app);
+socket.on('connection', function(client) {
+    console.log('A client connected');
+    client.on('message',function() {
+        console.out('Receveived a message from the client');
+    });
+    client.on('disconnect', function() {
+        console.out('Client disconnected');
+    });
+});

src/public/javascript/socket-connect.js

@@ -0,0 +1,12 @@
+var node_server_url='/';
+var socket = new io.Socket(node_server_url);
+socket.connect();
+socket.on('connect', function() {
+    alert('Connected to the server');
+});
+socket.on('message', function(){
+    alert('Receiving a message');
+});
+socket.on('disconnect', function(){
+    alert('Disconnected from server');
+});

src/views/blog.jade

@@ -7,4 +7,4 @@ div#articles
             div.title #{blog.title}
             div.created_at #{blog.created_at}
             div.body #{blog.body}
-
+div#helloworld

src/views/layout.jade

@@ -1,7 +1,9 @@
 !!! 5
 html(lang="en")
-  head
-    title My Blog
-    link(href="/style/style.css", media="screen", rel="stylesheet", type="text/css")
-  body
-    div!= body
+    head
+        title My Blog
+        link(href="/style/style.css", media="screen", rel="stylesheet", type="text/css")
+        script(src='/socket.io/socket.io.js')
+        script(src='/javascript/socket-connect.js')
+    body
+        div!= body