/** * Misskey Entry Point! */ Error.stackTraceLimit = Infinity; require('events').EventEmitter.defaultMaxListeners = 128; 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 * as program from 'commander'; 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 loadConfig from './config/load'; import { Config } from './config/types'; const clusterLog = debug('misskey:cluster'); const ev = new Xev(); if (process.env.NODE_ENV != 'production' && process.env.DEBUG == null) { debug.enable('misskey'); } const pkg = require('../package.json'); //#region Command line argument definitions program .version(pkg.version) .option('--no-daemons', 'Disable daemon processes (for debbuging)') .option('--disable-clustering', 'Disable clustering') .parse(process.argv); //#endregion main(); /** * Init process */ function main() { process.title = `Misskey (${cluster.isMaster ? 'master' : 'worker'})`; if (cluster.isMaster || program.disableClustering) { masterMain(); if (cluster.isMaster) { ev.mount(); } if (program.daemons) { serverStats(); notesStats(); } } if (cluster.isWorker || program.disableClustering) { workerMain(); } } /** * Init master process */ async function masterMain() { let config: Config; try { // initialize app config = await init(); } catch (e) { console.error(e); Logger.error('Fatal error occurred during initialization'); process.exit(1); } Logger.succ('Misskey initialized'); if (!program.disableClustering) { await spawnWorkers(config.clusterLimit); Logger.succ('All workers started'); } Logger.info(`Now listening on port ${config.port} on ${config.url}`); } /** * Init worker process */ async function workerMain() { // start server await require('./server').default(); if (cluster.isWorker) { // Send a 'ready' message to parent process process.send('ready'); } } /** * Init app */ async function init(): Promise { Logger.info('Welcome to Misskey!'); new Logger('Deps').info(`Node.js ${process.version}`); MachineInfo.show(); EnvironmentInfo.show(); new DependencyInfo().showAll(); const configLogger = new Logger('Config'); let config; try { config = loadConfig(); } catch (exception) { if (typeof exception === 'string') { configLogger.error(exception); process.exit(1); } if (exception.code === 'ENOENT') { configLogger.error('Configuration file not found'); process.exit(1); } throw exception; } configLogger.succ('Loaded'); if (process.platform === 'linux' && !isRoot() && config.port < 1024) { Logger.error('You need root privileges to listen on port below 1024 on Linux'); process.exit(1); } if (await portscanner.checkPortStatus(config.port, '127.0.0.1') === 'open') { Logger.error(`Port ${config.port} is already in use`); process.exit(1); } // Try to connect to MongoDB checkMongoDb(config); return config; } function checkMongoDb(config: Config) { const mongoDBLogger = new Logger('MongoDB'); const u = config.mongodb.user ? encodeURIComponent(config.mongodb.user) : null; const p = config.mongodb.pass ? encodeURIComponent(config.mongodb.pass) : null; const uri = `mongodb://${u && p ? `${u}:****@` : ''}${config.mongodb.host}:${config.mongodb.port}/${config.mongodb.db}`; mongoDBLogger.info(`Connecting to ${uri}`); require('./db/mongodb'); mongoDBLogger.succ('Connectivity confirmed'); } function spawnWorkers(limit: number) { return new Promise(res => { // Count the machine's CPUs const cpuCount = os.cpus().length; const count = limit || cpuCount; const progress = new ProgressBar(count, 'Starting workers'); // Create a worker for each CPU for (let i = 0; i < count; i++) { const worker = cluster.fork(); worker.on('message', message => { if (message === 'ready') { progress.increment(); } }); } // On all workers started progress.on('complete', () => { res(); }); }); } //#region Events // Listen new workers cluster.on('fork', worker => { clusterLog(`Process forked: [${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 to exit with code ${code}`); }); //#endregion