/** * Misskey Entry Point! */ Error.stackTraceLimit = Infinity; import * as os from 'os'; import * as cluster from 'cluster'; import * as debug from 'debug'; import chalk from 'chalk'; import * as portscanner from 'portscanner'; import isRoot = require('is-root'); import Xev from 'xev'; import Logger from './misc/logger'; import ProgressBar from './misc/cli/progressbar'; import EnvironmentInfo from './misc/environmentInfo'; import MachineInfo from './misc/machineInfo'; import DependencyInfo from './misc/dependencyInfo'; import serverStats from './daemons/server-stats'; import notesStats from './daemons/notes-stats'; import db from './db/mongodb'; import loadConfig from './config/load'; import { Config } from './config/types'; const clusterLog = debug('misskey:cluster'); const ev = new Xev(); process.title = 'Misskey'; if (process.env.NODE_ENV != 'production') { process.env.DEBUG = 'misskey:*'; } // https://github.com/Automattic/kue/issues/822 require('events').EventEmitter.prototype._maxListeners = 512; // Start app main(); /** * Init process */ function main() { if (cluster.isMaster) { masterMain(); ev.mount(); serverStats(); notesStats(); } else { workerMain(); } } /** * Init master process */ async function masterMain() { let config: Config; try { // initialize app config = await init(); } catch (e) { console.error(e); Logger.error(chalk.red('Fatal error occurred during initializing :(')); process.exit(1); } Logger.info(chalk.green('Successfully initialized :)')); spawnWorkers(() => { Logger.info(chalk.bold.green( `Now listening on port ${chalk.underline(config.port.toString())}`)); Logger.info(chalk.bold.green(config.url)); Logger.info(chalk.bold.green('Now processing jobs')); }); } /** * Init worker process */ async function workerMain() { // start server await require('./server').default(); // start processor require('./queue').default(); // Send a 'ready' message to parent process process.send('ready'); } /** * Init app */ async function init(): Promise { Logger.info('Welcome to Misskey!'); Logger.info('Initializing...'); EnvironmentInfo.show(); MachineInfo.show(); new DependencyInfo().showAll(); const configLogger = new Logger('Config'); let config; try { config = loadConfig(); } catch (exception) { if (exception.code === 'ENOENT') { throw 'Configuration not found - Please run "npm run config" command.'; } throw exception; } configLogger.info('Successfully loaded'); configLogger.info(`Maintainer: ${config.maintainer.name}`); if (process.platform === 'linux' && !isRoot() && config.port < 1024) { throw 'You need root privileges to listen on port below 1024 on Linux'; } if (await portscanner.checkPortStatus(config.port, '127.0.0.1') === 'open') { throw `Port ${config.port} is already in use`; } // Try to connect to MongoDB const mongoDBLogger = new Logger('MongoDB'); const db = require('./db/mongodb').default; mongoDBLogger.info('Successfully connected'); db.close(); return config; } function spawnWorkers(onComplete: Function) { // Count the machine's CPUs const cpuCount = os.cpus().length; const progress = new ProgressBar(cpuCount, 'Starting workers'); // Create a worker for each CPU for (let i = 0; i < cpuCount; i++) { const worker = cluster.fork(); worker.on('message', message => { if (message === 'ready') { progress.increment(); } }); } // On all workers started progress.on('complete', () => { onComplete(); }); } // Listen new workers cluster.on('fork', worker => { clusterLog(`Process forked: [${worker.id}]`); }); // Listen online workers cluster.on('online', worker => { clusterLog(`Process is now online: [${worker.id}]`); }); // Listen for dying workers cluster.on('exit', worker => { // Replace the dead worker, // we're not sentimental clusterLog(chalk.red(`[${worker.id}] died :(`)); cluster.fork(); }); // Display detail of unhandled promise rejection process.on('unhandledRejection', console.dir); // Display detail of uncaught exception process.on('uncaughtException', err => { console.error(err); }); // Dying away... process.on('exit', code => { Logger.info(`The process is going exit (${code})`); db.close(); });