dtp-social/lib/site-worker.js

// site-service.js
// Copyright (C) 2022 DTP Technologies, LLC
// License: Apache-2.0

'use strict';

const path = require('path');

const SitePlatform = require(path.join(__dirname, 'site-platform'));
const { SiteCommon } = require(path.join(__dirname, 'site-common'));

class SiteWorker extends SiteCommon {

  constructor (dtp, component) {
    super(dtp, component);
  }

  async start ( ) {
    try {
      process.on('unhandledRejection', (error, p) => {
        this.log.error('Unhandled rejection', {
          error: error,
          promise: p,
          stack: error.stack
        });
      });
      
      process.on('warning', (error) => {
        this.log.alert('warning', { error });
      });
  
      process.once('SIGINT', async ( ) => {
        this.log.info('SIGINT received');
        this.log.info('requesting shutdown...');
  
        await this.stop();

        const exitCode = await SitePlatform.shutdown();
        process.nextTick(( ) => {
          process.exit(exitCode);
        });
      });
  
      /*
       * Site Platform startup
       */
      await SitePlatform.startPlatform(this.dtp);
    } catch (error) {
      this.log.error('failed to start worker', {
        component: this.dtp.config.component,
        error,
      });
      process.exit(-1);
    }
  }

  async stop ( ) {

  }
}

module.exports.SiteWorker = SiteWorker;