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/**
* Misskey Entry Point!
*/
Error.stackTraceLimit = Infinity;
/**
* Module dependencies
*/
import * as fs from 'fs';
import * as os from 'os';
import * as cluster from 'cluster';
import * as debug from 'debug';
import Logger from './utils/logger';
import * as chalk from 'chalk';
import portUsed = require('tcp-port-used');
import isRoot = require('is-root');
import ProgressBar from './utils/cli/progressbar';
import LastCommitInfo from './utils/lastCommitInfo';
import EnvironmentInfo from './utils/environmentInfo';
import MachineInfo from './utils/machineInfo';
import DependencyInfo from './utils/dependencyInfo';
import { path as configPath } from './config';
import loadConfig from './config';
const clusterLog = debug('misskey:cluster');
// Init babel
require('babel-core/register');
require('babel-polyfill');
enum InitResult {
Success,
Warn,
Failure
}
process.title = 'Misskey';
// Start app
main();
/**
* Init process
*/
function main() {
if (cluster.isMaster) {
masterMain();
} else {
workerMain();
}
}
/**
* Init master process
*/
async function masterMain() {
let initResult: InitResult;
try {
// initialize app
initResult = await init();
} catch (e) {
console.error(e);
process.exit(1);
}
switch (initResult) {
case InitResult.Success:
Logger.info(chalk.green('Successfully initialized :)'));
break;
case InitResult.Warn:
Logger.warn(chalk.yellow('Initialized with some problem(s) :|'));
break;
case InitResult.Failure:
Logger.error(chalk.red('Fatal error occurred during initializing :('));
process.exit();
return;
}
spawnWorkers(() => {
Logger.info(chalk.bold.green(`Now listening on port ${loadConfig().port}`));
});
}
/**
* Init worker process
*/
function workerMain() {
// start server
require('./server');
}
/**
* Init app
*/
async function init() {
let warn = false;
Logger.info('Welcome to Misskey!');
Logger.info(chalk.bold('Misskey <aoi>'));
Logger.info('Initializing...');
await LastCommitInfo.show();
EnvironmentInfo.show();
MachineInfo.show();
new DependencyInfo().showAll();
let configLogger = new Logger('Config');
if (!fs.existsSync(configPath)) {
configLogger.error('Configuration not found');
return InitResult.Failure;
}
const config = loadConfig();
configLogger.info('Successfully loaded');
configLogger.info(`maintainer: ${config.maintainer}`);
if (process.platform === 'linux' && !isRoot() && config.port < 1024) {
Logger.error('You need root privileges to listen on port below 1024 on Linux');
return InitResult.Failure;
}
// Check if a port is being used
if (await portUsed.check(config.port)) {
Logger.error(`Port ${config.port} is already used`);
return InitResult.Failure;
}
// Try to connect to MongoDB
let mongoDBLogger = new Logger('MongoDB');
try {
const db = require('./db/mongodb').default;
mongoDBLogger.info('Successfully connected');
db.close();
} catch (e) {
mongoDBLogger.error(e);
return InitResult.Failure;
}
return warn ? InitResult.Warn : InitResult.Success;
}
function spawnWorkers(onComplete: any) {
// Count the machine's CPUs
const cpuCount = os.cpus().length;
const progress = new ProgressBar(cpuCount, 'Starting workers');
// Create a worker for each CPU
for (let i = 0; i < cpuCount; i++) {
const worker = cluster.fork();
worker.on('message', message => {
if (message === 'ready') {
progress.increment();
}
});
}
// On all workers started
progress.on('complete', () => {
onComplete();
});
}
// Listen new workers
cluster.on('fork', worker => {
clusterLog(`Process forked: [${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);
// Dying away...
process.on('exit', () => {
Logger.info('The process is going exit');
});
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