cs8425/app.js

## app.js
/*
  "name": "express",
  "version": "4.12.3",

  "name": "socket.io",
  "version": "1.3.5",
*/
var express = require('express');
var http = require('http');
var app = express();
var server = http.createServer(app);
var io = require('socket.io').listen(server);
var serveStatic = require('serve-static');
//var serveIndex = require('serve-index');

var server_port = 8081;

app.use(express.static(__dirname + '/index.html'));
app.use(serveStatic('public'));

var i = 0;

io.on('connection', function (socket) {
	i++;
	console.log('onlines', i, socket.id);
	io.emit('debug', 'Hi~' + i + ' : ' + socket.id);

	socket.on('error', function (e) {
		console.log('ws error', e);
	});
	socket.on('disconnect', function () {
		i--;
		io.emit('debug', 'user disconnected: ' + socket.id);
		console.log('onlines', i);
	});
	socket.on('debug', function (data) {
		console.log('debug', data);
	});

});


server.listen(server_port, function(){
	console.log('Listening on port %d', server_port);
});


## index.html
<html>
<head>
<meta charset="utf-8">
<title>test</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>

<script src="/socket.io/socket.io.js"></script>
<script>
var socket = io('http://localhost:8081');
socket.on('debug', function (data) {
	console.log(data);
	socket.emit('debug', { my: data });
});
</script>


</body>
</html>
	/*
	"name": "express",
	"version": "4.12.3",

	"name": "socket.io",
	"version": "1.3.5",
	*/
	var express = require('express');
	var http = require('http');
	var app = express();
	var server = http.createServer(app);
	var io = require('socket.io').listen(server);
	var serveStatic = require('serve-static');
	//var serveIndex = require('serve-index');

	var server_port = 8081;

	app.use(express.static(__dirname + '/index.html'));
	app.use(serveStatic('public'));

	var i = 0;

	io.on('connection', function (socket) {
	i++;
	console.log('onlines', i, socket.id);
	io.emit('debug', 'Hi~' + i + ' : ' + socket.id);

	socket.on('error', function (e) {
	console.log('ws error', e);
	});
	socket.on('disconnect', function () {
	i--;
	io.emit('debug', 'user disconnected: ' + socket.id);
	console.log('onlines', i);
	});
	socket.on('debug', function (data) {
	console.log('debug', data);
	});

	});


	server.listen(server_port, function(){
	console.log('Listening on port %d', server_port);
	});
	<html>
	<head>
	<meta charset="utf-8">
	<title>test</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	</head>
	<body>

	<script src="/socket.io/socket.io.js"></script>
	<script>
	var socket = io('http://localhost:8081');
	socket.on('debug', function (data) {
	console.log(data);
	socket.emit('debug', { my: data });
	});
	</script>


	</body>
	</html>