mcsleepingserverstarter/sleepingServerStarter.js

'use strict';

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const fileSystem = require('fs');
const mc = require('minecraft-protocol');
const connect = require('connect');
const serveStatic = require('serve-static');
const childProcess = require('child_process');
const winston = require('winston');
const dateFormat = require('dateformat');

const settings = require('./sleepingSettings');

let logger = {
    info: (...params) => console.log(params),
    error: (...params) => console.error(params)
};

const logFolder = 'logs/';

let webServer;
let mcServer;

const startMinecraft = function () {
    logger.info(`----------- Starting Minecraft : ${settings.minecraftCommand} ----------- `);

    // settings.minecraftCommand = 'notepad';
    const mcProcess = childProcess.execSync(settings.minecraftCommand, {
        stdio: "inherit"
    });

    logger.info('----------- Minecraft stopped -----------');
};

const getDate = function () {
    return dateFormat(new Date(), 'yyyy-mm-dd HH:MM:ss.l');
};

process.on('uncaughtException', function (err) {
    logger.info(`Caught uncaughtException: ${JSON.stringify(err)}`);

    if (err.code === 'ECONNRESET') {
        logger.info('Connection reset client side... Keep on going.');
        return;
    }
    if (err.code === 'EADDRINUSE') {
        logger.info(`A server is already using the port ${settings.serverPort}. Kill it and restart the app.`)
    }
    if (err.message !== 'undefined'
        // && err.message.indexOf('handshaking.toServer')
    ) {
        logger.error('Something bad happened', err.message);
    }

    logger.info('...Exiting...');
    process.exit(1);
});

function initLogger() {
    try {
        return new winston.Logger({
            level: 'info',
            transports: [new (winston.transports.Console)({
                timestamp: getDate,
                colorize: true
            }), new (winston.transports.File)({
                filename: `${logFolder}sleepinServer.log`,
                timestamp: getDate,
                maxsize: 2 * 1024 * 1024,
                maxFiles: 3,
                json: false
            })]
        });
    } catch (error) {
        logger.error('Failed to initialize logger', error);
    }
    return logger;
}

const initMain = function () {

    logger.info('... A new story begin ...');

    if (!fileSystem.existsSync(logFolder)) {
        fileSystem.mkdirSync(logFolder);
    }

    logger = initLogger();

    process.stdin.resume();
    process.stdin.setEncoding('utf8');

    process.stdin.on('data', function (text) {
        if (text.indexOf('quit') > -1) {
            closeServer();
        }
    });

    initServer();
};

const initServer = function () {

    if (settings.webPort > 0) {
        webServer = connect().use(serveStatic(settings.webDir)).listen(
            settings.webPort);
        logger.info(`Starting web server on *:${settings.webPort} webDir: ${settings.webDir}`);
    }

    mcServer = mc.createServer({
        'online-mode': settings.serverOnlineMode,
        encryption: false,
        // host: '0.0.0.0',
        motd: settings.serverName,
        port: settings.serverPort,
        // version: settings.serverVersion,
        beforePing: function (reponse, client) {
            reponse.favicon = faviconString;
        }
    });

    logger.info(`Waiting for a Prince to come. [${settings.serverPort}] Or someone to type quit.`);

    mcServer.on('connection', function (client) {
        logger.info(`A Prince has taken a quick peek. [${client.protocolState}_${client.version}]`);
    });

    mcServer.on('listening', function (client) {
        logger.info('Ready for battle', client);
    });

    mcServer.on('login', function (client) {

        logger.info(`Prince [${client.username}.${client.state}] has come, time to wake up.`);

        client.on('end', function (client) {
            logger.info('The prince is gone, for now', client);
            closeServer();
        });
        logger.info('Sending best regards', settings.loginMessage);
        client.end(settings.loginMessage);

    });
};

const closeServer = function () {
    logger.info('Cleaning up the place.');

    if (mcServer !== undefined)
        mcServer.close();
    if (webServer !== undefined)
        webServer.close();

    if (settings.startMinecraft > 0) {
        startMinecraft();

        logger.info('...Time to kill me if you want...');
        setTimeout(function () {
            logger.info('...Too late !...');
            initServer();
        }, 5000); // restart server
    }
};

initMain();