First commit, most of the backend system! :)

app.js

@@ -0,0 +1,85 @@
+var server = require('./lib/server');
+var ping = require('./lib/ping');
+var config = require('./config.json');
+
+var networkHistory = [];
+var connectedClients = 0;
+
+// Start our main loop that fires off pings.
+setInterval(function() {
+	var networks = config.networks;
+
+	for (var i = 0; i < networks.length; i++) {
+		// Make sure we lock our scope.
+		(function(network) {
+			ping.ping(network.ip, network.port || 25565, network.type, 2500, function(err, result) {
+				// Handle our ping results, if it succeeded.
+				if (err) {
+					console.log('Failed to ping ' + network.ip + ': ' + err);
+				} else {
+					console.log(network.ip + ' reply: ' + result.players.online + '/' + result.players.max);
+
+					server.io.sockets.emit('update', result);
+				}
+
+				// Log our response.
+				if (!networkHistory[network.ip]) {
+					networkHistory[network.ip] = [];
+				}
+
+				var _networkHistory = networkHistory[network.ip];
+
+				// Remove our previous entrie's favicons, we don't need them, just the latest one.
+				for (var i = 0; i < _networkHistory.length; i++) {
+					delete _networkHistory[i].favicon;
+				}
+
+				_networkHistory.push({
+					err: err,
+					result: result
+				});
+
+				// Make sure we never log too much.
+				if (_networkHistory.length > 300) {
+					_networkHistory.shift();
+				}
+			});
+		})(networks[i]);
+	}
+}, 2500);
+
+setInterval(function() {
+	console.log('Connected clients: %d', connectedClients);
+}, 1000);
+
+// Manually construct our paths.
+server.urlMapping['/'] = 'assets/html/index.html';
+server.urlMapping['/compass-icon'] = 'assets/images/compass.png';
+
+server.start(config.site.ip, config.site.port, function() {
+	// Track how many people are currently connected.
+	server.io.on('connect', function(client) {
+		console.log('Incoming connection: %s', client.request.connection.remoteAddress);
+
+		// We're good to connect them!
+		connectedClients += 1;
+
+		// Remap our associative array into just an array.
+		var networkHistoryList = [];
+		var networkHistoryKeys = Object.keys(networkHistory);
+
+		for (var i = 0; i < networkHistoryKeys.length; i++) {
+			networkHistoryList.push(networkHistory[networkHistoryKeys[i]]);
+		}
+
+		// Send them our previous data, so they have somewhere to start.
+		client.emit('add', networkHistoryList);
+
+		// Attach our listeners.
+		client.on('disconnect', function(client) {
+			console.log('Dropped connection: %s', client.request.connection.remoteAddress);
+
+			connectedClients -= 1;
+		});
+	});
+});