nt-arcane/TEST/app.js

App creator for arcane framework.

const os = require('os');
const cluster = require('cluster'),
      stopSignals = [
        'SIGHUP', 'SIGINT', 'SIGQUIT', 'SIGILL', 'SIGTRAP', 'SIGABRT',
        'SIGBUS', 'SIGFPE', 'SIGUSR1', 'SIGSEGV', 'SIGUSR2', 'SIGTERM'
      ],
      production = process.env.NODE_ENV == 'production';

var stopping = false;

process.stdin.resume();
process.on('uncaughtException', function(err) {
  if(err && typeof err !== 'string') {
	 console.log(err.stack || err);
  }
});

cluster.on('disconnect', function(worker) {
  console.log('Worker: ended.');
  if (!stopping) {
    cluster.fork();
  }
});

if (cluster.isMaster) {
  const workerCount = process.env.NODE_CLUSTER_WORKERS || os.cpus().length;
  console.log(`Starting ${workerCount} workers...`);
  for (var i = 0; i < workerCount; i++) {
    cluster.fork();
  }
  stopSignals.forEach(function (signal) {
    process.on(signal, function () {
      console.log(`Got ${signal}, stopping workers...`);
      stopping = true;
      cluster.disconnect(function () {
        console.log('All workers stopped, exiting.');
        process.exit(0);
      });
    });
  });
} else {
  require('nt-arcane').startApp(__dirname);
}