const Database = require('./database') const MojangUpdater = require('./mojang') const PingController = require('./ping') const Server = require('./server') const { TimeTracker } = require('./time') const MessageOf = require('./message') const config = require('../config') const minecraftVersions = require('../minecraft_versions') class App { serverRegistrations = [] constructor () { this.mojangUpdater = new MojangUpdater(this) this.pingController = new PingController(this) this.server = new Server(this) this.timeTracker = new TimeTracker(this) } loadDatabase (callback) { this.database = new Database(this) // Setup database instance this.database.ensureIndexes(() => { this.database.loadGraphPoints(config.graphDuration, () => { this.database.loadRecords(callback) }) }) } handleReady () { this.server.listen(config.site.ip, config.site.port) // Allow individual modules to manage their own task scheduling this.mojangUpdater.schedule() this.pingController.schedule() } handleClientConnection = (client) => { if (config.logToDatabase) { client.on('message', (message) => { if (message === 'requestHistoryGraph') { // Send historical graphData built from all serverRegistrations const graphData = this.serverRegistrations.map(serverRegistration => serverRegistration.graphData) // Send graphData in object wrapper to avoid needing to explicity filter // any header data being appended by #MessageOf since the graph data is fed // directly into the graphing system client.send(MessageOf('historyGraph', { timestamps: this.timeTracker.getGraphPoints(), graphData })) } }) } const initMessage = { config: (() => { // Remap minecraftVersion entries into name values const minecraftVersionNames = {} Object.keys(minecraftVersions).forEach(function (key) { minecraftVersionNames[key] = minecraftVersions[key].map(version => version.name) }) // Send configuration data for rendering the page return { graphDurationLabel: config.graphDurationLabel || (Math.floor(config.graphDuration / (60 * 60 * 1000)) + 'h'), graphMaxLength: TimeTracker.getMaxGraphDataLength(), serverGraphMaxLength: TimeTracker.getMaxServerGraphDataLength(), servers: this.serverRegistrations.map(serverRegistration => serverRegistration.getPublicData()), minecraftVersions: minecraftVersionNames, isGraphVisible: config.logToDatabase } })(), mojangServices: this.mojangUpdater.getLastUpdate(), timestampPoints: this.timeTracker.getServerGraphPoints(), servers: this.serverRegistrations.map(serverRegistration => serverRegistration.getPingHistory()) } client.send(MessageOf('init', initMessage)) } } module.exports = App