Minetrack/app.js

131 lines
3.7 KiB
JavaScript

var server = require('./lib/server');
var ping = require('./lib/ping');
var logger = require('./lib/logger');
var mojang = require('./lib/mojang_services');
var util = require('./lib/util');
var config = require('./config.json');
var networkHistory = [];
var connectedClients = 0;
function pingAll() {
var servers = config.servers;
for (var i = 0; i < servers.length; i++) {
// Make sure we lock our scope.
(function(network) {
ping.ping(network.ip, network.port, network.type, config.rates.connectTimeout, function(err, res) {
// Handle our ping results, if it succeeded.
if (err) {
logger.log('error', 'Failed to ping ' + network.ip + ': ' + JSON.stringify(err));
}
// If we have favicon override specified, use it.
if (res && config.faviconOverride && config.faviconOverride[network.name]) {
res.favicon = config.faviconOverride[network.name];
}
var networkSnapshot = {
info: {
name: network.name,
timestamp: util.getCurrentTimeMs()
}
};
if (res) {
networkSnapshot.result = res;
} else if (err) {
networkSnapshot.error = err;
}
server.io.sockets.emit('update', networkSnapshot);
// Log our response.
if (!networkHistory[network.name]) {
networkHistory[network.name] = [];
}
var _networkHistory = networkHistory[network.name];
// Remove our previous data that we don't need anymore.
for (var i = 0; i < _networkHistory.length; i++) {
delete _networkHistory[i].info;
if (_networkHistory[i].result) {
delete _networkHistory[i].result.favicon;
}
}
_networkHistory.push({
error: err,
result: res,
timestamp: util.getCurrentTimeMs(),
info: {
ip: network.ip,
port: network.port,
type: network.type,
name: network.name
}
});
// Make sure we never log too much.
if (_networkHistory.length > 72) { // 60/2.5 = 24, so 24 is one minute
_networkHistory.shift();
}
});
})(servers[i]);
}
}
// Start our main loop that does everything.
function startMainLoop() {
util.setIntervalNoDelay(pingAll, config.rates.pingAll);
util.setIntervalNoDelay(function() {
mojang.update(config.rates.mojangStatusTimeout);
server.io.sockets.emit('updateMojangServices', mojang.toMessage());
}, config.rates.upateMojangStatus);
}
server.start(function() {
// Track how many people are currently connected.
server.io.on('connect', function(client) {
// If we haven't sent out at least one round of pings, disconnect them for now.
if (Object.keys(networkHistory).length < config.servers.length) {
client.disconnect();
return;
}
// We're good to connect them!
connectedClients += 1;
logger.log('info', 'Accepted connection: %s, total clients: %d', client.request.connection.remoteAddress, connectedClients);
setTimeout(function() {
// Send them our previous data, so they have somewhere to start.
client.emit('updateMojangServices', mojang.toMessage());
// Remap our associative array into just an array.
var networkHistoryKeys = Object.keys(networkHistory);
networkHistoryKeys.sort();
// Send each individually, this should look cleaner than waiting for one big array to transfer.
for (var i = 0; i < networkHistoryKeys.length; i++) {
client.emit('add', [networkHistory[networkHistoryKeys[i]]]);
}
}, 1);
// Attach our listeners.
client.on('disconnect', function(client) {
connectedClients -= 1;
logger.log('info', 'Client disconnected, total clients: %d', connectedClients);
});
});
startMainLoop();
});