Initial commit.

Makefile

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+APP=./app.js
+NODE=node
+.PHONY: run
+
+run:
+	$(NODE) $(APP)
+

README.md

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+# _socket.io and Express. Tying it all together. Demo Application_
+
+This is a demo application demonstrating how the two popular frameworks socket.io and Express can be effectively used together.
+
+Please read my article [socket.io and Express. Tying it all together._](http://www.danielbaulig.de/spcket-ioexpress) for details on what is going on.
+
+# Installation
+
+    npm install sioe-demo
+
+# Run
+
+    make run

app.js

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+/*jshint laxcomma:true*/
+
+var io = require('socket.io')
+  , express = require('express')
+  , util = require('util')
+  , app = express.createServer()
+  , connect = require('express/node_modules/connect')
+  , parseCookie = connect.utils.parseCookie
+  , MemoryStore = connect.middleware.session.MemoryStore
+  , store;
+
+app.configure(function () {
+  app.set('view engine', 'jade');
+  app.set('view options', {layout: false});
+  app.use(express.cookieParser());
+  app.use(express.session({
+      secret: 'secret'
+    , key: 'express.sid'
+    , store: store = new MemoryStore()
+  }));
+});
+
+app.get('/', function (req, res) {
+  res.render('index', {value: req.session.value});
+});
+
+app.listen(8080);
+
+io.listen(app).set('authorization', function (data, accept) {
+  if (!data.headers.cookie) 
+    return accept('No cookie transmitted.', false);
+
+  data.cookie = parseCookie(data.headers.cookie);
+  data.sessionID = data.cookie['express.sid'];
+
+  store.load(data.sessionID, function (err, session) {
+    if (err || !session) return accept('Error', false);
+
+    data.session = session;
+    return accept(null, true);
+  });
+}).sockets.on('connection', function (socket) {
+  var sess = socket.handshake.session;
+  socket.log.info(
+      'a socket with sessionID'
+    , socket.handshake.sessionID
+    , 'connected'
+  );
+  socket.on('set value', function (val) {
+    sess.reload(function () {
+      sess.value = val;
+      sess.touch().save();
+    });
+  });
+});

package.json

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+{
+  "author": "Daniel Baulig <daniel.baulig@gmx.de> (http://www.danielbaulig.de)",
+  "name": "sioe-demo",
+  "description": "socket.io and Express. Tying it all together. Demo Application",
+  "version": "0.0.1",
+  "homepage": "http://www.danielbaulig.de/socket-ioexpress/",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/DanielBaulig/sioe-demo.git"
+  },
+  "main": "app.js",
+  "dependencies": {
+      "socket.io": "*"
+    , "express": "*"
+    , "jade": "*"
+  },
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  }
+}

views/index.jade

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+!!! html
+html
+  head
+    title Tying it all together demo
+    script(src='/socket.io/socket.io.js')
+    script(src='http://code.jquery.com/jquery-latest.js')
+  body
+    if value
+      h2 your session value is #{value}
+    else
+      h2 set your session value!
+    input#input
+    script
+      $(function () {
+        var socket = io.connect()
+          , input = $('#input');
+        input.keypress(function (e) {
+          if (e.which === 13) {
+            socket.emit('set value', input.val());
+            input.val('');
+            $('h2').text('value set, reload page');
+          }
+        }).focus();
+      });