76 lines
2.7 KiB
JavaScript
76 lines
2.7 KiB
JavaScript
import '../helpers/polyfills.js';
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import cluster from 'node:cluster';
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import os from 'node:os';
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import { dirname } from 'node:path';
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import { fileURLToPath } from 'node:url';
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import * as configFunctions from '../helpers/functions.config.js';
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import exitHook from 'exit-hook';
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import ntfyPublish from '@cityssm/ntfy-publish';
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import Debug from 'debug';
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const debug = Debug(`lot-occupancy-system:www:${process.pid}`);
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const directoryName = dirname(fileURLToPath(import.meta.url));
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const processCount = Math.min(configFunctions.getProperty('application.maximumProcesses'), os.cpus().length);
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process.title =
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configFunctions.getProperty('application.applicationName') + ' (Primary)';
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debug(`Primary pid: ${process.pid}`);
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debug(`Primary title: ${process.title}`);
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debug(`Launching ${processCount} processes`);
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const clusterSettings = {
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exec: directoryName + '/wwwProcess.js'
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};
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cluster.setupPrimary(clusterSettings);
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const activeWorkers = new Map();
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for (let index = 0; index < processCount; index += 1) {
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const worker = cluster.fork();
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activeWorkers.set(worker.process.pid, worker);
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}
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cluster.on('message', (worker, message) => {
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for (const [pid, worker] of activeWorkers.entries()) {
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if (worker === undefined || pid === message.pid) {
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continue;
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}
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debug(`Relaying message to worker: ${pid}`);
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worker.send(message);
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}
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});
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cluster.on('exit', (worker, code, signal) => {
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debug(`Worker ${worker.process.pid.toString()} has been killed`);
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activeWorkers.delete(worker.process.pid);
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debug('Starting another worker');
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cluster.fork();
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});
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const ntfyStartupConfig = configFunctions.getProperty('application.ntfyStartup');
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if (ntfyStartupConfig !== undefined) {
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const topic = ntfyStartupConfig.topic;
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const server = ntfyStartupConfig.server;
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const ntfyStartupMessage = {
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topic,
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title: configFunctions.getProperty('application.applicationName'),
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message: 'Application Started',
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tags: ['arrow_up']
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};
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const ntfyShutdownMessage = {
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topic,
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title: configFunctions.getProperty('application.applicationName'),
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message: 'Application Shut Down',
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tags: ['arrow_down']
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};
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if (server !== undefined) {
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ntfyStartupMessage.server = server;
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ntfyShutdownMessage.server = server;
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}
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await ntfyPublish(ntfyStartupMessage);
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exitHook(() => {
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debug('Sending ntfy notification');
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void ntfyPublish(ntfyShutdownMessage);
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});
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}
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if (process.env.STARTUP_TEST === 'true') {
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const killSeconds = 10;
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debug(`Killing processes in ${killSeconds} seconds...`);
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setTimeout(() => {
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debug('Killing processes');
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process.exit(0);
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}, 10000);
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}
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