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DocumentServer-v-9.2.0/server/FileConverter/sources/convertermaster.js
Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

115 lines
4.5 KiB
JavaScript

/*
* (c) Copyright Ascensio System SIA 2010-2024
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
'use strict';
const cluster = require('cluster');
const moduleReloader = require('./../../Common/sources/moduleReloader');
const config = moduleReloader.requireConfigWithRuntime();
const logger = require('./../../Common/sources/logger');
const operationContext = require('./../../Common/sources/operationContext');
const runtimeConfigManager = require('./../../Common/sources/runtimeConfigManager');
if (cluster.isMaster) {
const fs = require('fs');
const os = require('os');
const license = require('./../../Common/sources/license');
const cfgLicenseFile = config.get('license.license_file');
const cfgMaxProcessCount = config.get('FileConverter.converter.maxprocesscount');
let workersCount = 0;
const readLicense = async function () {
const numCPUs = os.cpus().length;
const availableParallelism = os.availableParallelism?.();
operationContext.global.logger.warn('num of CPUs: %d; availableParallelism: %s', numCPUs, availableParallelism);
workersCount = Math.ceil((availableParallelism || numCPUs) * cfgMaxProcessCount);
const [licenseInfo] = await license.readLicense(cfgLicenseFile);
workersCount = Math.min(licenseInfo.count, workersCount);
//todo send license to workers for multi-tenancy
};
const updateWorkers = () => {
let i;
const arrKeyWorkers = Object.keys(cluster.workers);
if (arrKeyWorkers.length < workersCount) {
for (i = arrKeyWorkers.length; i < workersCount; ++i) {
const newWorker = cluster.fork();
operationContext.global.logger.warn('worker %s started.', newWorker.process.pid);
}
} else {
for (i = workersCount; i < arrKeyWorkers.length; ++i) {
const killWorker = cluster.workers[arrKeyWorkers[i]];
if (killWorker) {
killWorker.kill();
}
}
}
};
const updateLicense = async () => {
try {
await readLicense();
operationContext.global.logger.warn('update cluster with %s workers', workersCount);
updateWorkers();
} catch (err) {
operationContext.global.logger.error('updateLicense error: %s', err.stack);
}
};
cluster.on('exit', (worker, code, signal) => {
operationContext.global.logger.warn('worker %s died (code = %s; signal = %s).', worker.process.pid, code, signal);
updateWorkers();
});
updateLicense();
fs.watchFile(cfgLicenseFile, updateLicense);
setInterval(updateLicense, 86400000);
} else {
const converter = require('./converter');
converter.run();
//Initialize watch here to avoid circular import with operationContext
runtimeConfigManager.initRuntimeConfigWatcher(operationContext.global).catch(err => {
operationContext.global.logger.warn('initRuntimeConfigWatcher error: %s', err.stack);
});
}
process.on('uncaughtException', err => {
operationContext.global.logger.error(new Date().toUTCString() + ' uncaughtException:', err.message);
operationContext.global.logger.error(err.stack);
logger.shutdown(() => {
process.exit(1);
});
});
//after all required modules in all files
moduleReloader.finalizeConfigWithRuntime();