harryf/Toeggeli Server

## Toeggeli Server
http = require('http');
querystring = require('querystring');
sys = require('sys');

/* Display the index page */
function showIndex(req, res) {
    // Write the static data
    res.write('<html>');
    res.write('<h1>local.ch Töggeli Server</h1>');
    res.write('<p>You want to play töggeli? Input your name to add yourself ');
    res.write('to the queue!</p>');
    res.write('<form action="/" method="post">');
    res.write('<input type="text" name="name" />');
    res.write('<input type="submit" value="Add to queue" />')
    res.write('</form>');
    res.write('</html>');

    // Close the connection
    res.close();
}

/* Add someone to the queue */
var event = new process.EventEmitter(); // Use this event to synchronize
var players = []; // Save the waiting players here
function addToQueue(req, res, parameters) {

    function playersReady() {
        // Show the players
        res.write('Hi ' + parameters['name'] + '! You are playing with:');
        res.write('<ul>');

        for (var i = 0; i < players.length; i++ ) {
            res.write('<li>' + players[i] + '</li>');
        }

        res.write('</ul>');

        // Alert the user in the browser
        res.write('<script type="text/javascript">alert("4 players are ready!")</script>');

        // We are finished, close the connection
        res.close();
    }

    // Give the user a message
    res.write('Hello, ' + parameters['name'] + '!<br/>');
    res.write('You were added to the queue. Please don\'t close this window,');
    res.write('you will be alerted as soon as there are enough players.');

    players.push(parameters['name']);

    /* TODO: Work with the event here */
    event.addListener("gameon", playersReady);

    if ( players.length == 4 ) {
        event.emit("gameon");
        players = [];
        event.removeAllListeners();
    }

    // Note that the connection is not closed here - this is a long
    // polling request!
}

/* Create the HTTP server */
http.createServer(function (req,res) {
    // Start the output
    res.writeHeader(200, { 'Content-type': 'text/html'});

    // Call the correct handler depending on the HTTP method.
    if (req.method == "GET") {
        showIndex(req, res);
    } else {
        // Parse the incoming POST body
        var body = "";
        req.addListener("data", function(chunk) {
            body += chunk;
        });
        req.addListener("end", function() {
            var values = querystring.parse(body);
            addToQueue(req, res, values);
        });
    }
}).listen(8000);
	http = require('http');
	querystring = require('querystring');
	sys = require('sys');

	/* Display the index page */
	function showIndex(req, res) {
	// Write the static data
	res.write('<html>');
	res.write('<h1>local.ch Töggeli Server</h1>');
	res.write('<p>You want to play töggeli? Input your name to add yourself ');
	res.write('to the queue!</p>');
	res.write('<form action="/" method="post">');
	res.write('<input type="text" name="name" />');
	res.write('<input type="submit" value="Add to queue" />')
	res.write('</form>');
	res.write('</html>');

	// Close the connection
	res.close();
	}

	/* Add someone to the queue */
	var event = new process.EventEmitter(); // Use this event to synchronize
	var players = []; // Save the waiting players here
	function addToQueue(req, res, parameters) {

	function playersReady() {
	// Show the players
	res.write('Hi ' + parameters['name'] + '! You are playing with:');
	res.write('<ul>');

	for (var i = 0; i < players.length; i++ ) {
	res.write('<li>' + players[i] + '</li>');
	}

	res.write('</ul>');

	// Alert the user in the browser
	res.write('<script type="text/javascript">alert("4 players are ready!")</script>');

	// We are finished, close the connection
	res.close();
	}

	// Give the user a message
	res.write('Hello, ' + parameters['name'] + '!<br/>');
	res.write('You were added to the queue. Please don\'t close this window,');
	res.write('you will be alerted as soon as there are enough players.');

	players.push(parameters['name']);

	/* TODO: Work with the event here */
	event.addListener("gameon", playersReady);

	if ( players.length == 4 ) {
	event.emit("gameon");
	players = [];
	event.removeAllListeners();
	}

	// Note that the connection is not closed here - this is a long
	// polling request!
	}

	/* Create the HTTP server */
	http.createServer(function (req,res) {
	// Start the output
	res.writeHeader(200, { 'Content-type': 'text/html'});

	// Call the correct handler depending on the HTTP method.
	if (req.method == "GET") {
	showIndex(req, res);
	} else {
	// Parse the incoming POST body
	var body = "";
	req.addListener("data", function(chunk) {
	body += chunk;
	});
	req.addListener("end", function() {
	var values = querystring.parse(body);
	addToQueue(req, res, values);
	});
	}
	}).listen(8000);