116 lines
3.0 KiB
JavaScript
116 lines
3.0 KiB
JavaScript
'use strict';
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var cluster = require('cluster');
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console.log("[Worker #" + cluster.worker.id + "]");
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function testSelect(client) {
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var PromiseA = require('bluebird');
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return new PromiseA(function (resolve, reject) {
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client.run('CREATE TABLE IF NOT EXISTS meta (version TEXT)', function (err) {
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if (err) {
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if ('E_NO_INIT' === err.code) {
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console.error(err.message);
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resolve(client);
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return;
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}
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reject(err);
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return;
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}
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client.get("SELECT version FROM meta", [], function (err, result) {
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if (err) {
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console.error('[ERROR] create table', cluster.isMaster && '0' || cluster.worker.id);
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console.error(err.stack || err);
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reject(err);
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return;
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}
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console.log('Worker #', (cluster.isMaster && '0' || cluster.worker.id), '[this], [result]:');
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console.log(this);
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console.log(result);
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resolve(client);
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});
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});
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});
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}
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function run(clientFactory) {
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return clientFactory.create({
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init: false
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, dbname: 'factory.' + cluster.worker.id
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});
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}
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function init(client) {
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return client.init({
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algorithm: 'aes'
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, bits: 128
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, mode: 'cbc'
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, key: '00000000000000000000000000000000'
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}).then(function (/*db*/) {
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return client;
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});
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}
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function onMessage(msg) {
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function loseTheWillToLive() {
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process.removeListener('message', onMessage);
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// child processes do not exit when their event loop is empty
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setTimeout(function () {
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console.log('#' + cluster.worker.id + ' dead');
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process.exit(0);
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}, 100);
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}
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var clientFactory = require('../../client').createClientFactory({
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algorithm: 'aes'
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, bits: 128
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, mode: 'cbc'
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, dirname: '/tmp/'
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, prefix: 'foobar.'
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//, dbname: 'cluster'
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, suffix: '.test'
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, ext: '.sqlcipher'
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, sock: msg.sock
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, ipcKey: msg.ipcKey
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});
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console.log('New Worker', cluster.worker.id, msg);
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if (1 === cluster.worker.id) {
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//setTimeout(function () {
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run(clientFactory).then(testSelect).then(function (client) {
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setTimeout(function () {
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console.log('init worker closing...');
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client.close(loseTheWillToLive);
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loseTheWillToLive();
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}, 1000);
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// waiting for https://github.com/websockets/ws/issues/613 to land
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});
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//}, 1000);
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} else {
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setTimeout(function () {
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run(clientFactory).then(init).then(testSelect).then(function (client) {
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console.log('#' + cluster.worker.id + ' other working closing...');
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client.close(loseTheWillToLive);
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loseTheWillToLive();
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});
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}, 100 * cluster.worker.id);
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}
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}
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process.on('message', onMessage);
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// The native Promise implementation ignores errors because... dumbness???
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process.on('beforeExit', function () {
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console.log("[WORKER] I've got nothing left to do");
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});
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process.on('unhandledRejection', function (err) {
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console.error('Unhandled Promise Rejection');
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console.error(err.stack || err);
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process.exit(1);
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});
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