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nombo.node.js
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var fs = require('fs');
var url = require('url');
var watchify = require('watchify');
var cssBundler = require('nombo/css-bundler');
var templateBundler = require('nombo/template-bundler');
var SmartCacheManager = require("./smartcachemanager").SmartCacheManager;
var watchr = require('watchr');
var path = require('path');
var pathManager = require('nombo/pathmanager');
var crypto = require('crypto');
var EventEmitter = require('events').EventEmitter;
var domain = require('domain');
var fork = require('child_process').fork;
var requireify = require('requireify');
var Master = function (options) {
var self = this;
self.EVENT_FAIL = 'fail';
self.EVENT_NOTICE = 'notice';
self.EVENT_INFO = 'info';
self.EVENT_LEADER_START = 'leaderstart';
self._errorDomain = domain.create();
self._errorDomain.on('error', function (err) {
self.errorHandler(err, 'master');
});
self._errorDomain.add(self);
self.start = self._errorDomain.bind(self._start);
self._errorDomain.run(function () {
self._init(options);
self._masterBootstrap = require(self._paths.appDirPath + '/master.node');
self._masterBootstrap.run(self);
});
};
Master.prototype = Object.create(EventEmitter.prototype);
Master.prototype._init = function (options) {
var self = this;
var backslashRegex = /\\/g;
var appDirPath = path.dirname(require.main.filename).replace(backslashRegex, '/');
self.options = {
port: 8000,
workers: null,
stores: null,
release: false,
rebootWorkerOnError: true,
title: 'Nombo App',
protocol: 'http',
protocolOptions: null,
spinner: true,
spinnerOptions: null,
autoReconnect: true,
autoReconnectOptions: {
delay: 10,
randomness: 10
},
useLessCSS: false,
transports: ['polling', 'websocket'],
logLevel: 1,
connectTimeout: 10,
sessionTimeout: 1200,
sessionHeartRate: 4,
minifyTimeout: 120,
clientCacheLife: 2592000,
clientCacheType: 'public',
serverCacheMaxEntrySize: 10000000,
serverCacheMaxSize: 500000000,
serverCacheLife: 3600,
versionFile: null,
origins: '*:*',
publicResources: false,
minifyMangle: false,
matchOriginProtocol: true,
addressSocketLimit: null,
socketEventLimit: 100,
pollingDuration: 30,
heartbeatInterval: 25,
heartbeatTimeout: 60,
workerStatusInterval: 10,
allowUploads: false,
propagateErrors: true,
host: 'localhost',
balancerCount: null,
customSIMExtension: 'node.js',
privateExtensions: ['node.js', 'node.json', 'node.txt'],
clusterEngine: 'iocluster',
bundleUpdateDelay: 1000,
appName: null
};
self._active = false;
var i;
for (i in options) {
self.options[i] = options[i];
}
if (self.options.logLevel > 3) {
process.env.DEBUG = 'engine*';
} else if (self.options.logLevel > 2) {
process.env.DEBUG = 'engine';
}
if (self.options.protocolOptions) {
var protoOpts = self.options.protocolOptions;
if (protoOpts.key instanceof Buffer) {
protoOpts.key = protoOpts.key.toString();
}
if (protoOpts.cert instanceof Buffer) {
protoOpts.cert = protoOpts.cert.toString();
}
if (protoOpts.pfx instanceof Buffer) {
protoOpts.pfx = protoOpts.pfx.toString();
}
if (protoOpts.passphrase == null) {
var privKeyEncLine = protoOpts.key.split('\n')[1];
if (privKeyEncLine.toUpperCase().indexOf('ENCRYPTED') > -1) {
var message = 'The supplied private key is encrypted and cannot be used without a passphrase - ' +
'Please provide a valid passphrase as a property to protocolOptions';
throw new Error(message);
}
process.exit();
}
}
if (self.options.stores) {
var newStores = [];
var curStore;
for (i in self.options.stores) {
curStore = self.options.stores[i];
if (typeof curStore == 'number') {
curStore = {port: curStore};
} else {
if (curStore.port == null) {
throw new Error('One or more store objects is missing a port property');
}
}
newStores.push(curStore);
}
self.options.stores = newStores;
}
if (!self.options.stores || self.options.stores.length < 1) {
self.options.stores = [{port: self.options.port + 2}];
}
if (self.options.workers) {
var newWorkers = [];
var curWorker;
for (i in self.options.workers) {
curWorker = self.options.workers[i];
if (typeof curWorker == 'number') {
curWorker = {port: curWorker};
} else {
if (curWorker.port == null) {
throw new Error('One or more worker objects is missing a port property');
}
}
newWorkers.push(curWorker);
}
self.options.workers = newWorkers;
} else {
self.options.workers = [{port: self.options.port + 3}];
}
if (!self.options.balancerCount) {
self.options.balancerCount = Math.floor(self.options.workers.length / 2);
if (self.options.balancerCount < 1) {
self.options.balancerCount = 1;
}
}
self._extRegex = /[.][^\/\\]*$/;
self._slashSequenceRegex = /\/+/g;
self._startSlashRegex = /^\//;
self._clientCoreLibMap = {};
self._clientCoreLibs = [];
self._clientLibMap = {};
self._clientLibs = [];
self._clientStyles = [];
self._clientTemplates = [];
self._bundledResources = [];
self._resourceSizes = {};
self._paths = {};
self._paths.frameworkURL = '/~framework/';
self._paths.frameworkDirPath = __dirname.replace(backslashRegex, '/');
self._paths.frameworkClientDirPath = self._paths.frameworkDirPath + '/client';
self._paths.frameworkClientURL = self._paths.frameworkURL + 'client/';
self._paths.frameworkModulesURL = self._paths.frameworkURL + 'node_modules/';
self._paths.appDirPath = appDirPath;
self._paths.appScriptsPath = self._paths.appDirPath + '/scripts';
self._paths.frameworkScriptsPath = self._paths.frameworkClientDirPath + '/scripts';
self._paths.relativeFrameworkScriptsPath = path.relative(self._paths.appScriptsPath, self._paths.frameworkScriptsPath)
.replace(backslashRegex, '/');
self._paths.appWorkerControllerPath = self._paths.appDirPath + '/worker.node.js';
self._paths.appBalancerControllerPath = self._paths.appDirPath + '/balancer.node.js';
if (self.options.versionFile == null) {
self._paths.versionFilePath = self._paths.appDirPath + '/version.node.txt';
} else {
self._paths.versionFilePath = self.options.versionFile;
}
self._paths.appLoadScriptPath = self._paths.appDirPath + '/scripts/load.js';
self._paths.appCookiesDisabledPath = self._paths.appDirPath + '/scripts/cookiesdisabled.js';
self._paths.appFailedConnectionPath = self._paths.appDirPath + '/scripts/failedconnection.js';
self._paths.frameworkLoadScriptPath = self._paths.frameworkClientDirPath + '/scripts/load.js';
self._paths.frameworkCookiesDisabledPath = self._paths.frameworkClientDirPath + '/scripts/cookiesdisabled.js';
self._paths.frameworkFailedConnectionPath = self._paths.frameworkClientDirPath + '/scripts/failedconnection.js';
self._paths.spinJSURL = self._paths.frameworkClientURL + 'libs/spin.js';
self._paths.appURL = '/';
self._paths.freshnessURL = self._paths.appURL + '~freshness';
self._paths.statusURL = self._paths.appURL + '~status';
self._paths.rootTemplateURL = self._paths.appURL + 'index.html';
self._paths.virtualURL = self._paths.appURL + '~virtual/';
self._paths.appStyleBundleURL = self._paths.virtualURL + 'styles.css';
self._paths.appTemplateBundleURL = self._paths.virtualURL + 'templates.js';
self._paths.frameworkCoreBundleURL = self._paths.virtualURL + 'core.js';
self._paths.appLibBundleURL = self._paths.virtualURL + 'libs.js';
self._paths.appScriptBundleURL = self._paths.virtualURL + 'scripts.js';
self._paths.frameworkLibsURL = self._paths.frameworkClientURL + 'libs/';
self._paths.frameworkAssetsURL = self._paths.frameworkClientURL + 'assets/';
self._paths.frameworkPluginsURL = self._paths.frameworkClientURL + 'plugins/';
self._paths.frameworkScriptsURL = self._paths.frameworkClientURL + 'scripts/';
self._paths.frameworkStylesURL = self._paths.frameworkClientURL + 'styles/';
self._paths.appScriptsURL = self._paths.appURL + 'scripts/';
self._paths.appLibsURL = self._paths.appURL + 'libs/';
self._paths.appStylesURL = self._paths.appURL + 'styles/';
self._paths.appTemplatesURL = self._paths.appURL + 'templates/';
self._paths.appAssetsURL = self._paths.appURL + 'assets/';
self._paths.appFilesURL = self._paths.appURL + 'files/';
if (self.options.appName) {
self._appName = self.options.appName;
} else {
self._appName = path.basename(self._paths.appDirPath);
}
self.options.appName = self._appName;
self._cacheCookieName = 'n/' + self._appName + '/cached';
self._sessionCookieName = 'n/' + self._appName + '/ssid';
pathManager.init(self._paths.frameworkURL, self._paths.frameworkDirPath, self._paths.appDirPath, self._paths.appURL);
pathManager.setBaseURL(self._paths.appURL);
if (fs.existsSync(self._paths.appLoadScriptPath)) {
self._paths.loadScriptURL = pathManager.pathToURL(self._paths.appLoadScriptPath);
} else {
self._paths.loadScriptURL = pathManager.pathToURL(self._paths.frameworkLoadScriptPath);
}
if (fs.existsSync(self._paths.appCookiesDisabledPath)) {
self._paths.cookiesDisabledURL = pathManager.pathToURL(self._paths.appCookiesDisabledPath);
} else {
self._paths.cookiesDisabledURL = pathManager.pathToURL(self._paths.frameworkCookiesDisabledPath);
}
if (fs.existsSync(self._paths.appFailedConnectionPath)) {
self._paths.failedConnectionURL = pathManager.pathToURL(self._paths.appFailedConnectionPath);
} else {
self._paths.failedConnectionURL = pathManager.pathToURL(self._paths.frameworkFailedConnectionPath);
}
self.getPaths = function () {
var paths = {};
for (var i in self._paths) {
paths[i] = self._paths[i];
}
return paths;
};
self._useCoreLib = function (url, index) {
var normalURL = self._normalizeURL(url);
var filePath = pathManager.urlToPath(normalURL);
var obj = {};
if (!self._clientCoreLibMap[normalURL]) {
if (self._extRegex.test(url)) {
obj.url = normalURL;
obj.path = filePath;
} else {
obj.url = url + '.js';
obj.path = filePath + '.js';
}
if (index == null) {
self._clientCoreLibs.push(obj);
} else {
self._clientCoreLibs.splice(index, 0, obj);
}
self._clientCoreLibMap[normalURL] = true;
}
};
self.useLib = function (url, index) {
var url = self._normalizeURL(url);
if (!self._extRegex.test(url)) {
url = url + '.js';
}
var filePath = pathManager.urlToPath(url);
if (fs.existsSync(filePath)) {
var obj = {};
if (!self._clientLibMap[url]) {
obj.url = url;
obj.path = filePath;
if (index == null) {
self._clientLibs.push(obj);
} else {
self._clientLibs.splice(index, 0, obj);
}
self._clientLibMap[url] = true;
}
} else {
var error = 'Cannot add ' + url + ' to lib bundle - File not found';
self.errorHandler(error, 'master');
}
};
self.useStyle = function (url) {
var url = self._normalizeURL(url);
if (!self._extRegex.test(url)) {
url = url + '.css';
}
var filePath = pathManager.urlToPath(url);
if (fs.existsSync(filePath)) {
var obj = {};
obj.url = url;
obj.path = filePath;
self._clientStyles.push(obj);
} else {
var error = 'Cannot add ' + url + ' to style bundle - File not found';
self.errorHandler(error, 'master');
}
};
self.useTemplate = function (url) {
var url = self._normalizeURL(url);
if (!self._extRegex.test(url)) {
url = url + '.html';
}
var filePath = pathManager.urlToPath(url);
if (fs.existsSync(filePath)) {
var obj = {};
obj.url = url;
obj.path = filePath;
self._clientTemplates.push(obj);
} else {
var error = 'Cannot add ' + url + ' to template bundle - File not found';
self.errorHandler(error, 'master');
}
};
self.bundle = {};
self.bundle.app = {};
self.bundle.framework = {};
self.bundle.lib = self.useLib;
self.bundle.style = self.useStyle;
self.bundle.template = self.useTemplate;
self.bundle.asset = function (path) {
var stats = fs.statSync(path);
var url = self._paths.appURL + 'assets/' + name;
self._resourceSizes[url] = stats.size;
self._bundledResources.push(url);
};
self.bundle.app.lib = function (name, index) {
self.useLib(self._paths.appURL + 'libs/' + name, index);
};
self.bundle.app.template = function (name) {
self.useTemplate(self._paths.appURL + 'templates/' + name);
};
self.bundle.app.style = function (name) {
self.useStyle(self._paths.appURL + 'styles/' + name);
};
self.bundle.app.asset = function (name) {
var stats = fs.statSync(self._paths.appDirPath + '/assets/' + name);
var url = self._paths.appURL + 'assets/' + name;
self._resourceSizes[url] = stats.size;
self._bundledResources.push(url);
};
self.bundle.framework.lib = function (name, index) {
self.useLib(self._paths.frameworkClientURL + 'libs/' + name, index);
};
self.bundle.framework.plugin = function (name, index) {
self.useLib(self._paths.frameworkClientURL + 'plugins/' + name, index);
};
self.bundle.framework.style = function (name) {
self.useStyle(self._paths.frameworkClientURL + 'styles/' + name);
};
self.bundle.framework.asset = function (name) {
var stats = fs.statSync(self._paths.frameworkClientDirPath + '/assets/' + name);
var url = self._paths.frameworkClientURL + 'assets/' + name;
self._resourceSizes[url] = stats.size;
self._bundledResources.push(url);
};
self._paths.frameworkSocketClientURL = self._paths.frameworkModulesURL + 'socketcluster-client/socketcluster.js';
self._minAddressSocketLimit = 20;
self._dataExpiryAccuracy = 5000;
if (self.options.addressSocketLimit == null) {
var limit = self.options.sessionTimeout / 40;
if (limit < self._minAddressSocketLimit) {
limit = self._minAddressSocketLimit;
}
self.options.addressSocketLimit = limit;
}
self._clusterEngine = require(self.options.clusterEngine);
if (!self.options.release && self.options.clientCacheLife == null) {
self.options.clientCacheLife = 86400;
}
self._colorCodes = {
red: 31,
green: 32,
yellow: 33
};
console.log(' ' + self.colorText('[Busy]', 'yellow') + ' Launching Nombo server');
process.stdin.on('error', function (err) {
self.noticeHandler(err, {type: 'master'});
});
process.stdin.resume();
process.stdin.setEncoding('utf8');
self.useStyle(self._paths.frameworkClientURL + 'styles/nombo.css');
self._useCoreLib(self._paths.frameworkClientURL + 'libs/jquery.js');
self._useCoreLib(self._paths.frameworkModulesURL + 'handlebars/dist/handlebars.js');
self._useCoreLib(self._paths.frameworkClientURL + 'libs/json2.js');
self._useCoreLib(self._paths.frameworkURL + 'nombo-client.js');
};
Master.prototype.errorHandler = function (err, origin) {
if (err.stack == null) {
if (!(err instanceof Object)) {
err = new Error(err);
}
err.stack = err.message;
}
if (origin instanceof Object) {
err.origin = origin;
} else {
err.origin = {
type: origin
};
}
err.time = Date.now();
this.emit(this.EVENT_FAIL, err);
this.log(err.stack);
};
Master.prototype.noticeHandler = function (notice, origin) {
if (notice.stack == null) {
if (!(notice instanceof Object)) {
notice = new Error(notice);
}
notice.stack = notice.message;
}
if (origin instanceof Object) {
notice.origin = origin;
} else {
notice.origin = {
type: origin
};
}
notice.time = Date.now();
this.emit(this.EVENT_NOTICE, notice);
if (this.options.logLevel > 1) {
this.log(notice.stack);
}
};
Master.prototype.triggerInfo = function (info, origin) {
if (this._active) {
if (!(origin instanceof Object)) {
origin = {
type: origin
};
}
var infoData = {
origin: origin,
info: info,
time: Date.now()
};
this.emit(this.EVENT_INFO, infoData);
this.log(info, infoData.time);
}
};
Master.prototype._start = function () {
var self = this;
var appDef = self._getAppDef();
var bundles = {};
self._workers = [];
self._active = false;
var stylePaths = [];
for (var i in self._clientStyles) {
stylePaths.push(self._clientStyles[i].path);
}
var styleDirs = [pathManager.urlToPath(appDef.frameworkStylesURL), pathManager.urlToPath(appDef.appStylesURL)];
var styleBundle = cssBundler({
watchDirs: styleDirs,
files: stylePaths,
watch: true,
updateDelay: self.options.bundleUpdateDelay
});
var updateCSSBundle = function () {
self.triggerInfo('Updating styles bundle...', 'master');
var cssBundle = styleBundle.bundle();
var size = Buffer.byteLength(cssBundle, 'utf8');
var data = {
url: appDef.appStyleBundleURL,
content: cssBundle,
size: size
};
for (var i in self._workers) {
self._workers[i].send({
type: 'updateCache',
data: data
});
}
bundles[appDef.appStyleBundleURL] = cssBundle;
self.triggerInfo('Updated styles bundle', 'master');
};
var templatePaths = [];
for (i in self._clientTemplates) {
templatePaths.push(self._clientTemplates[i].path);
}
var templateDirs = [pathManager.urlToPath(appDef.appTemplatesURL)];
var templateBundle = templateBundler({
watchDirs: templateDirs,
files: templatePaths,
watch: true,
updateDelay: self.options.bundleUpdateDelay
});
var updateTemplateBundle = function () {
self.triggerInfo('Updating templates bundle...', 'master');
var htmlBundle = templateBundle.bundle();
var size = Buffer.byteLength(htmlBundle, 'utf8');
var data;
for (var i in self._workers) {
data = {
url: appDef.appTemplateBundleURL,
content: htmlBundle,
size: size
};
self._workers[i].send({
type: 'updateCache',
data: data
});
}
bundles[appDef.appTemplateBundleURL] = htmlBundle;
self.triggerInfo('Updated templates bundle', 'master');
};
var jsCoreLibCodes = {};
for (i in self._clientCoreLibs) {
jsCoreLibCodes[self._clientCoreLibs[i].path] = fs.readFileSync(self._clientCoreLibs[i].path, 'utf8');
}
var makeCoreBundle = function () {
var libArray = [];
var i;
for (i in jsCoreLibCodes) {
if (jsCoreLibCodes[i]) {
libArray.push(jsCoreLibCodes[i]);
}
}
var coreLibBundle = libArray.join('\n');
bundles[appDef.frameworkCoreBundleURL] = coreLibBundle;
var size = Buffer.byteLength(coreLibBundle, 'utf8');
var data;
for (var i in self._workers) {
data = {
url: appDef.frameworkCoreBundleURL,
content: coreLibBundle,
size: size
};
self._workers[i].send({
type: 'updateCache',
data: data
});
}
};
var updateCoreBundle = function (event, filePath) {
self.triggerInfo('Updating core bundle...', 'master');
if (event == 'delete') {
jsCoreLibCodes[filePath] = null;
} else if ((event == 'create' || event == 'update') && jsCoreLibCodes.hasOwnProperty(filePath)) {
jsCoreLibCodes[filePath] = fs.readFileSync(filePath, 'utf8');
}
makeCoreBundle();
self.triggerInfo('Updated core bundle', 'master');
};
var libFilePaths = [];
for (i in self._clientLibs) {
libFilePaths.push(self._clientLibs[i].path);
}
var libBundleOptions = {
entries: libFilePaths,
noParse: libFilePaths
};
var libBundle = watchify(libBundleOptions);
var updateLibBundle = function (callback) {
self.triggerInfo('Updating libs bundle...', 'master');
libBundle.bundle({debug: !self.options.release}, function (err, jsBundle) {
if (err) {
self._errorDomain.emit('error', err);
callback && callback();
} else {
self.triggerInfo('Updated libs bundle', 'master');
bundles[appDef.appLibBundleURL] = jsBundle;
var size = Buffer.byteLength(jsBundle, 'utf8');
var data;
for (var i in self._workers) {
data = {
url: appDef.appLibBundleURL,
content: jsBundle,
size: size
};
self._workers[i].send({
type: 'updateCache',
data: data
});
}
callback && callback();
}
});
};
var scriptBundleOptions = {
basedir: self._paths.appScriptsPath,
entries: [pathManager.urlToPath(appDef.appScriptsURL + 'index.js')]
};
var scriptBundle = watchify(scriptBundleOptions);
scriptBundle.transform(requireify);
var updateScriptBundle = function (callback) {
self.triggerInfo('Updating scripts bundle...', 'master');
scriptBundle.bundle({debug: !self.options.release}, function (err, jsBundle) {
if (err) {
self._errorDomain.emit('error', err);
callback && callback();
} else {
self.triggerInfo('Updated scripts bundle', 'master');
bundles[appDef.appScriptBundleURL] = jsBundle;
var size = Buffer.byteLength(jsBundle, 'utf8');
var data;
for (var i in self._workers) {
data = {
url: appDef.appScriptBundleURL,
content: jsBundle,
size: size
};
self._workers[i].send({
type: 'updateCache',
data: data
});
}
callback && callback();
}
});
};
var initBundles = function (callback) {
updateCSSBundle();
updateTemplateBundle();
makeCoreBundle();
updateLibBundle(function () {
updateScriptBundle(callback);
});
};
var autoRebundle = function () {
styleBundle.on('update', function () {
updateCSSBundle();
});
templateBundle.on('update', function () {
updateTemplateBundle();
});
watchr.watch({
paths: [pathManager.urlToPath(appDef.frameworkLibsURL)],
listener: updateCoreBundle
});
libBundle.on('update', function () {
updateLibBundle();
});
scriptBundle.on('update', function () {
updateScriptBundle();
});
};
var leaderId = -1;
var firstTime = true;
var workersActive = false;
var initLoadBalancer = function () {
self._balancer.send({
type: 'init',
data: {
dataKey: pass,
sourcePort: self.options.port,
workers: self.options.workers,
host: self.options.host,
balancerCount: self.options.balancerCount,
protocol: self.options.protocol,
protocolOptions: self.options.protocolOptions,
checkStatusTimeout: self.options.connectTimeout * 1000,
statusURL: self._paths.statusURL,
statusCheckInterval: self.options.workerStatusInterval * 1000,
appBalancerControllerPath: self._paths.appBalancerControllerPath
}
});
};
var launchLoadBalancer = function () {
if (self._balancer) {
self._errorDomain.remove(self._balancer);
}
var balancerErrorHandler = function (err) {
self.errorHandler(err, {type: 'balancer'});
};
var balancerNoticeHandler = function (noticeMessage) {
self.noticeHandler(noticeMessage, {type: 'balancer'});
};
self._balancer = fork(__dirname + '/nombo-balancer.node.js');
self._balancer.on('error', balancerErrorHandler);
self._balancer.on('notice', balancerNoticeHandler);
self._balancer.on('exit', launchLoadBalancer);
self._balancer.on('message', function (m) {
if (m.type == 'error') {
balancerErrorHandler(m.data);
} else if (m.type == 'notice') {
balancerNoticeHandler(m.data);
}
});
if (workersActive) {
initLoadBalancer();
}
};
launchLoadBalancer();
console.log(' ' + self.colorText('[Busy]', 'yellow') + ' Launching cluster engine');
var workerIdCounter = 1;
var ioClusterReady = function () {
var i;
var workerReadyHandler = function (data, worker) {
self._workers.push(worker);
if (worker.id == leaderId) {
worker.send({
type: 'emit',
event: self.EVENT_LEADER_START
});
}
if (self._active) {
self.log('Worker ' + worker.data.id + ' was respawned on port ' + worker.data.port);
}
if (self._workers.length >= self.options.workers.length) {
if (firstTime) {
console.log(' ' + self.colorText('[Active]', 'green') + ' Nombo server started');
console.log(' Port: ' + self.options.port);
console.log(' Mode: ' + (self.options.release ? 'Release' : 'Debug'));
console.log(' Master PID: ' + process.pid);
console.log(' Balancer count: ' + self.options.balancerCount);
console.log(' Worker count: ' + self.options.workers.length);
console.log(' Store count: ' + self.options.stores.length);
console.log();
firstTime = false;
if (!workersActive) {
initLoadBalancer();
workersActive = true;
}
process.on('SIGUSR2', function () {
for (var i in self._workers) {
self._workers[i].kill();
}
});
if (self.options.release) {
watchr.watch({
paths: [self._paths.versionFilePath],
listener: function (event, filePath) {
var oldCacheVersion = self._cacheVersion;
self._updateCacheVersion(function () {
if (self._cacheVersion != oldCacheVersion) {
var data = {
cacheVersion: self._cacheVersion
};
for (var i in self._workers) {
self._workers[i].send({
type: 'updateCacheVersion',
data: data
});
}
}
});
}
});
}
} else {
var workersData = [];
var i;
for (i in self._workers) {
workersData.push(self._workers[i].data);
}
self._balancer.send({
type: 'setWorkers',
data: workersData
});
}
self._active = true;
}
};
var launchWorker = function (workerData, lead) {
var workerErrorHandler = function (err) {
var origin = {
type: 'worker',
pid: worker.pid
};
self.errorHandler(err, origin);
};
var workerNoticeHandler = function (noticeMessage) {
var origin = {
type: 'worker',
pid: worker.pid
};
self.noticeHandler(noticeMessage, origin);
};
var worker = fork(__dirname + '/nombo-worker-bootstrap.node');
worker.on('error', workerErrorHandler);
if (!workerData.id) {
workerData.id = workerIdCounter++;
}
worker.id = workerData.id;
worker.data = workerData;
var workerOpts = self._cloneObject(self.options);
workerOpts.appDef = self._getAppDef();
workerOpts.paths = self._paths;
workerOpts.workerId = worker.id;
workerOpts.workerPort = workerData.port;
workerOpts.cacheVersion = self._cacheVersion;
workerOpts.stores = stores;
workerOpts.dataKey = pass;
workerOpts.bundles = bundles;
workerOpts.bundledResources = self._bundledResources;
workerOpts.resourceSizes = self._resourceSizes;
workerOpts.lead = lead ? 1 : 0;
worker.send({
type: 'init',
data: workerOpts
});
worker.on('message', function workerHandler(m) {
if (m.type == 'ready') {
if (lead) {
leaderId = worker.id;
}
workerReadyHandler(m, worker);
} else if (m.type == 'error') {
workerErrorHandler(m.data);
} else if (m.type == 'notice') {
workerNoticeHandler(m.data);
}
});
worker.on('exit', function (code, signal) {
self._errorDomain.remove(worker);
var message = ' Worker ' + worker.id + ' died - Exit code: ' + code;
if (signal) {
message += ', signal: ' + signal;
}
var workersData = [];
var newWorkers = [];
var i;
for (i in self._workers) {
if (self._workers[i].id != worker.id) {
newWorkers.push(self._workers[i]);
workersData.push(self._workers[i].data);
}
}
self._workers = newWorkers;
self._balancer.send({
type: 'setWorkers',
data: workersData
});
var lead = worker.id == leaderId;
leaderId = -1;
self.errorHandler(new Error(message), {type: 'master'});
self.log('Respawning worker ' + worker.id);
launchWorker(workerData, lead);
});
return worker;
};
var launchWorkers = function () {
initBundles(function () {
var len = self.options.workers.length;
if (len > 0) {
var i;
for (i in bundles) {
self._resourceSizes[i] = Buffer.byteLength(bundles[i], 'utf8');
}
var styleAssetSizeMap = styleBundle.getAssetSizeMap();
for (i in styleAssetSizeMap) {
self._resourceSizes[i] = styleAssetSizeMap[i];
}
launchWorker(self.options.workers[0], true);
for (i = 1; i < len; i++) {
launchWorker(self.options.workers[i]);
}
autoRebundle();
}
});
};