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feat: allow master disable worker refork (#110)
using `worker.disableRefork = true`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| 'use strict'; | ||
|
|
||
| var path = require('path'); | ||
| var util = require('util'); | ||
| var cfork = require('../../'); | ||
|
|
||
| cfork({ | ||
| exec: path.join(__dirname, '../worker.js'), | ||
| slaves: [ | ||
| path.join(__dirname, '../slave.js') | ||
| ], | ||
| args: [ 1984 ], | ||
| limit: 4, | ||
| count: 2, | ||
| duration: 60000, | ||
| autoCoverage: true, | ||
| }) | ||
| .on('fork', function (worker) { | ||
| console.warn('[%s] [worker:%d] new worker start', Date(), worker.process.pid); | ||
| }) | ||
| .on('listening', function (worker, address) { | ||
| console.warn('[%s] [worker:%d] listening on %j', Date(), worker.process.pid, address.port); | ||
| process.send('listening'); | ||
| }) | ||
| .on('disconnect', function (worker) { | ||
| var propertyName = worker.hasOwnProperty('exitedAfterDisconnect') ? 'exitedAfterDisconnect' : 'suicide'; | ||
| console.warn('[%s] [master:%s] worker:%s disconnect, %s: %s, state: %s.', | ||
| Date(), process.pid, worker.process.pid, propertyName, worker[propertyName], worker.state); | ||
| }) | ||
| .on('exit', function (worker, code, signal) { | ||
| var exitCode = worker.process.exitCode; | ||
| var propertyName = worker.hasOwnProperty('exitedAfterDisconnect') ? 'exitedAfterDisconnect' : 'suicide'; | ||
| var err = new Error(util.format('worker %s died (code: %s, signal: %s, %s: %s, state: %s)', | ||
| worker.process.pid, exitCode, signal, propertyName, worker[propertyName], worker.state)); | ||
| err.name = 'WorkerDiedError'; | ||
| console.error('[%s] [master:%s] worker exit: %s', Date(), process.pid, err.stack); | ||
| }) | ||
| .on('reachReforkLimit', function () { | ||
| process.send('reach refork limit'); | ||
| }); | ||
|
|
||
| process.once('SIGTERM', function () { | ||
| process.exit(0); | ||
| }); | ||
|
|
||
| var cluster = require('cluster'); | ||
| var http = require('http'); | ||
| var port = 1986; | ||
|
|
||
| http.createServer(function (req, res) { | ||
| // kill worker | ||
| var count = 0; | ||
| for (var id in cluster.workers) { | ||
| var worker = cluster.workers[id]; | ||
| worker.disableRefork = true; | ||
| worker.process.kill('SIGTERM'); | ||
| count++; | ||
| } | ||
| res.end('kill ' + count + ' workers'); | ||
| }).listen(port); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| 'use strict'; | ||
|
|
||
| var assert = require('assert'); | ||
| var urllib = require('urllib'); | ||
| var childprocess = require('childprocess'); | ||
| var path = require('path'); | ||
|
|
||
| describe('kill_worker.test.test.js', function() { | ||
| var child; | ||
| var messages = []; | ||
|
|
||
| before(function(done) { | ||
| var workerNum = 2; | ||
| var slaveNum = 1; | ||
| var listeningCount = 0; | ||
| child = childprocess.fork(path.join(__dirname, '..', 'fixtures', 'kill_worker', 'master.js')); | ||
| child.on('message', function (m) { | ||
| messages.push(m); | ||
| console.log(m, listeningCount); | ||
| if (m === 'listening') { | ||
| ++listeningCount; | ||
| if (listeningCount === (workerNum + slaveNum)) { | ||
| done(); | ||
| } | ||
| } | ||
| }); | ||
| }); | ||
|
|
||
| after(function(done) { | ||
| setTimeout(function() { | ||
| child.kill('SIGTERM'); | ||
| setTimeout(done, 1000); | ||
| }, 1000); | ||
| }); | ||
|
|
||
| it('should kill all workers', function(done) { | ||
| urllib.request('http://localhost:1986/', function (err, body) { | ||
| console.log(err, body.toString()); | ||
| assert(!err); | ||
| assert(body.toString() === 'kill 3 workers'); | ||
| done(); | ||
| }); | ||
| }); | ||
| }); |