55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
// eslint-disable-next-line @eslint-community/eslint-comments/disable-enable-pair
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/* eslint-disable n/no-process-exit, unicorn/no-process-exit */
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import http from 'node:http';
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import Debug from 'debug';
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import exitHook from 'exit-hook';
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import { app } from '../app.js';
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import { getConfigProperty } from '../helpers/functions.config.js';
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const debug = Debug(`lot-occupancy-system:wwwProcess:${process.pid}`);
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function onError(error) {
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if (error.syscall !== 'listen') {
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throw error;
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}
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// handle specific listen errors with friendly messages
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switch (error.code) {
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// eslint-disable-next-line no-fallthrough
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case 'EACCES': {
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debug('Requires elevated privileges');
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process.exit(1);
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// break;
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}
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// eslint-disable-next-line no-fallthrough
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case 'EADDRINUSE': {
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debug('Port is already in use.');
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process.exit(1);
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// break;
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}
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// eslint-disable-next-line no-fallthrough
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default: {
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throw error;
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}
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}
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}
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function onListening(server) {
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const addr = server.address();
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if (addr !== null) {
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const bind = typeof addr === 'string' ? `pipe ${addr}` : `port ${addr.port.toString()}`;
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debug(`HTTP Listening on ${bind}`);
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}
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}
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/*
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* Initialize HTTP
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*/
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process.title = `${getConfigProperty('application.applicationName')} (Worker)`;
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const httpPort = getConfigProperty('application.httpPort');
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const httpServer = http.createServer(app);
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httpServer.listen(httpPort);
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httpServer.on('error', onError);
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httpServer.on('listening', () => {
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onListening(httpServer);
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});
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exitHook(() => {
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debug('Closing HTTP');
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httpServer.close();
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});
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