94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
'use strict';
|
|
|
|
// TODO if RAM is very low we should not fork at all,
|
|
// but use a different process altogether
|
|
|
|
console.info('pid:', process.pid);
|
|
console.info('title:', process.title);
|
|
console.info('arch:', process.arch);
|
|
console.info('platform:', process.platform);
|
|
console.info('\n\n\n[MASTER] Welcome to WALNUT!');
|
|
|
|
function tryConf(pathname, def) {
|
|
try {
|
|
return require(pathname);
|
|
} catch(e) {
|
|
return def;
|
|
}
|
|
}
|
|
|
|
var path = require('path');
|
|
var cluster = require('cluster');
|
|
//var minWorkers = 2;
|
|
var numCores = 2; // Math.max(minWorkers, require('os').cpus().length);
|
|
var workers = [];
|
|
var state = { firstRun: true };
|
|
// TODO Should these be configurable? If so, where?
|
|
// TODO communicate config with environment vars?
|
|
var walnut = tryConf(
|
|
path.join('..', '..', 'config.walnut')
|
|
, { externalPort: 443
|
|
, externalInsecurePort: 80
|
|
}
|
|
);
|
|
|
|
var info = {
|
|
type: 'walnut.init'
|
|
, conf: {
|
|
protocol: 'http'
|
|
, externalPort: walnut.externalPort || 443
|
|
, externalPortInsecure: walnut.externalInsecurePort || 80 // TODO externalInsecurePort
|
|
, localPort: walnut.localPort || 3000 // system / local network
|
|
, trustProxy: true
|
|
, varpath: path.join(__dirname, '..', '..', 'var')
|
|
, etcpath: path.join(__dirname, '..', '..', 'etc')
|
|
}
|
|
};
|
|
|
|
function fork() {
|
|
if (workers.length < numCores) {
|
|
workers.push(cluster.fork());
|
|
}
|
|
}
|
|
|
|
cluster.on('online', function (worker) {
|
|
console.info('[MASTER] Worker ' + worker.process.pid + ' is online');
|
|
fork();
|
|
|
|
if (state.firstRun) {
|
|
state.firstRun = false;
|
|
// TODO dyndns in master?
|
|
}
|
|
|
|
function touchMaster(msg) {
|
|
if ('walnut.webserver.listening' !== msg.type) {
|
|
console.warn('[MASTER] received unexpected message from worker');
|
|
console.warn(msg);
|
|
return;
|
|
}
|
|
|
|
state.workers = workers;
|
|
// calls init if init has not been called
|
|
require('../lib/master').touch(info.conf, state).then(function (newConf) {
|
|
worker.send({ type: 'walnut.webserver.onrequest', conf: newConf });
|
|
newConf.addWorker(worker);
|
|
});
|
|
}
|
|
|
|
worker.send(info);
|
|
worker.on('message', touchMaster);
|
|
});
|
|
|
|
cluster.on('exit', function (worker, code, signal) {
|
|
console.info('[MASTER] Worker ' + worker.process.pid + ' died with code: ' + code + ', and signal: ' + signal);
|
|
|
|
workers = workers.filter(function (w) {
|
|
return w && w !== worker;
|
|
});
|
|
|
|
//console.log('WARNING: worker spawning turned off for debugging ');
|
|
fork();
|
|
});
|
|
|
|
fork();
|