133 lines
4.8 KiB
JavaScript
133 lines
4.8 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2024
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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'use strict';
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const cluster = require('cluster');
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const config = require('config').get('SpellChecker');
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//process.env.NODE_ENV = config.get('server.mode');
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const logger = require('./../../Common/sources/logger');
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const c_nCheckHealth = 60000, c_sCheckWord = 'color', c_sCheckLang = 1033;
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let idCheckInterval, canStartCheck = true;
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let statusCheckHealth = true;
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function checkHealth (worker) {
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logger.info('checkHealth');
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if (!statusCheckHealth) {
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logger.error('error check health, restart!');
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worker.kill();
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return;
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}
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worker.send({type: 'spell'});
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statusCheckHealth = false;
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}
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function endCheckHealth (msg) {
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logger.info('endCheckHealth');
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statusCheckHealth = true;
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}
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const workersCount = 1; // ToDo So far, we will use only 1 process. But in the future it is worth considering a few.
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if (cluster.isMaster) {
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logger.warn('start cluster with %s workers', workersCount);
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cluster.on('listening', function(worker) {
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if (canStartCheck) {
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canStartCheck = false;
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idCheckInterval = setInterval(function(){checkHealth(worker);}, c_nCheckHealth);
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worker.on('message', function(msg){endCheckHealth(msg);});
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}
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});
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for (let nIndexWorker = 0; nIndexWorker < workersCount; ++nIndexWorker) {
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logger.warn('worker %s started.', cluster.fork().process.pid);
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}
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cluster.on('exit', (worker, code, signal) => {
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logger.warn('worker %s died (code = %s; signal = %s). restart...', worker.process.pid, code, signal);
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clearInterval(idCheckInterval);
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endCheckHealth();
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canStartCheck = true;
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cluster.fork();
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});
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} else {
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const express = require('express'),
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http = require('http'),
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https = require('https'),
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fs = require("fs"),
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app = express(),
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spellCheck = require('./spellCheck');
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let server = null;
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logger.warn('Express server starting...');
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if (config.has('ssl')) {
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const privateKey = fs.readFileSync(config.get('ssl.key')).toString();
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const certificateKey = fs.readFileSync(config.get('ssl.cert')).toString();
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const trustedCertificate = fs.readFileSync(config.get('ssl.ca')).toString();
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//See detailed options format here: http://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener
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const options = {key: privateKey, cert: certificateKey, ca: [trustedCertificate]};
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server = https.createServer(options, app);
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} else {
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server = http.createServer(app);
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}
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// If you want to use 'development' and 'production',
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// then with app.settings.env (https://github.com/strongloop/express/issues/936)
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// If error handling is needed, now it's like this https://github.com/expressjs/errorhandler spellCheck.install(server, function(){
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server.listen(config.get('server.port'), function(){
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logger.warn("Express server listening on port %d in %s mode", config.get('server.port'), app.settings.env);
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});
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app.get('/index.html', function(req, res) {
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res.send('Server is functioning normally');
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});
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});
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process.on('message', function(msg) {
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if (!spellCheck)
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return;
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spellCheck.spellSuggest(msg.type, c_sCheckWord, c_sCheckLang, function(res) {
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process.send({type: msg.type, res: res});
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});
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});
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process.on('uncaughtException', function(err) {
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logger.error((new Date).toUTCString() + ' uncaughtException:', err.message);
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logger.error(err.stack);
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logger.shutdown(function () {
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process.exit(1);
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});
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});
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}
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