119 lines
3.1 KiB
JavaScript
119 lines
3.1 KiB
JavaScript
'use strict';
|
|
|
|
var cluster = require('cluster');
|
|
|
|
console.log("[Worker #" + cluster.worker.id + "]");
|
|
|
|
function testSelect(client) {
|
|
var PromiseA = require('bluebird');
|
|
|
|
return new PromiseA(function (resolve, reject) {
|
|
client.run('CREATE TABLE IF NOT EXISTS meta (version TEXT)', function (err) {
|
|
if (err) {
|
|
if ('E_NO_INIT' === err.code) {
|
|
console.error(err.message);
|
|
resolve(client);
|
|
return;
|
|
}
|
|
|
|
reject(err);
|
|
return;
|
|
}
|
|
|
|
client.get("SELECT version FROM meta", [], function (err, result) {
|
|
if (err) {
|
|
console.error('[ERROR] create table', cluster.isMaster && '0' || cluster.worker.id);
|
|
console.error(err.stack || err);
|
|
reject(err);
|
|
return;
|
|
}
|
|
|
|
console.log('[this] Worker #', cluster.isMaster && '0' || cluster.worker.id);
|
|
console.log(this);
|
|
|
|
console.log('[result] Worker #', cluster.isMaster && '0' || cluster.worker.id);
|
|
console.log(result);
|
|
|
|
resolve(client);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function run(ipcKey, sock) {
|
|
var sqlite3 = require('../../cluster');
|
|
|
|
return sqlite3.create({
|
|
bits: 128
|
|
, dirname: '/tmp/'
|
|
, prefix: 'foobar.'
|
|
, dbname: 'cluster'
|
|
, suffix: '.test'
|
|
, ext: '.sqlcipher'
|
|
, verbose: null
|
|
, standalone: null
|
|
, serve: null
|
|
, connect: sock
|
|
, sock: sock
|
|
, ipcKey: ipcKey
|
|
});
|
|
}
|
|
|
|
function init(client) {
|
|
//console.log('[INIT] begin');
|
|
return client.init({
|
|
algorithm: 'aes'
|
|
, bits: 128
|
|
, mode: 'cbc'
|
|
, key: '00000000000000000000000000000000'
|
|
}).then(function (/*args*/) {
|
|
//console.log('[INIT]', args);
|
|
return client;
|
|
});
|
|
}
|
|
|
|
function onMessage(msg) {
|
|
function loseTheWillToLive() {
|
|
process.removeListener('message', onMessage);
|
|
// child processes do not exit when their event loop is empty
|
|
setTimeout(function () {
|
|
console.log('#' + cluster.worker.id + ' dead');
|
|
process.exit(0);
|
|
}, 100);
|
|
}
|
|
|
|
console.log('New Worker', cluster.worker.id, msg);
|
|
if (1 === cluster.worker.id) {
|
|
//setTimeout(function () {
|
|
run(msg.ipcKey, msg.sock).then(testSelect).then(function (client) {
|
|
setTimeout(function () {
|
|
console.log('init worker closing...');
|
|
client.close(loseTheWillToLive);
|
|
loseTheWillToLive();
|
|
}, 1000);
|
|
// waiting for https://github.com/websockets/ws/issues/613 to land
|
|
});
|
|
//}, 1000);
|
|
} else {
|
|
setTimeout(function () {
|
|
run(msg.ipcKey, msg.sock).then(init).then(testSelect).then(function (client) {
|
|
console.log('#' + cluster.worker.id + ' other working closing...');
|
|
client.close(loseTheWillToLive);
|
|
loseTheWillToLive();
|
|
});
|
|
}, 100 * cluster.worker.id);
|
|
}
|
|
}
|
|
process.on('message', onMessage);
|
|
|
|
// The native Promise implementation ignores errors because... dumbness???
|
|
process.on('beforeExit', function () {
|
|
console.log("[WORKER] I've got nothing left to do");
|
|
});
|
|
process.on('unhandledRejection', function (err) {
|
|
console.error('Unhandled Promise Rejection');
|
|
console.error(err.stack || err);
|
|
|
|
process.exit(1);
|
|
});
|