Express Socket.io example server not working

    var e_session = require("express-session"); 
    var io_session = require("socket.io")(server); 
    //Storing sessions in file system
    var sessionFileStore = require('session-file-store')(Session);

    //Express-Sessions as middleware
    var e_sessionMiddleware = e_session({
        store: new sessionFileStore({ path: './project-x/sessions' }),
        secret: 'pass',     resave: true,
        saveUninitialized: true 
    });
    //Use of Express-Session as Middleware    
    io_session.use(function(socket, next) {
       e_sessionMiddleware(socket.handshake, {}, next); 
    });

    //Socket Io session and express sessions are now same 
    io_session.on("connection", function(socket) {
       socket.emit(socket.handshake.session);
    });

<script src="/socket.io/socket.io.js"></script>
<script>
  var socket = io();
  // do more things with the connection here
</script>

var app = require('express')();
var server = require('http').createServer(app);
var io = require('socket.io')(server);  //listen server not app
io.on('connection', function(){ /* … */ });
server.listen(3000);

int total, bytes, received = 0;

memset(response, 0, RESPONSE_SIZE);
total = RESPONSE_SIZE - 1;
do {
    bytes = read(*socket_ref, response + received, total - received);
    if (bytes < 0) {
        perror("ERROR reading response from socket yo");
        exit(EXIT_FAILURE);
    }
    if (bytes == 0) break;
    received += bytes;
} while (received < total);