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cluster: send connection to other server when worker drop it
PR-URL: #43747 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Paolo Insogna <paolo@cowtech.it>
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Original file line number | Diff line number | Diff line change |
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'use strict'; | ||
const common = require('../common'); | ||
const assert = require('assert'); | ||
const net = require('net'); | ||
const cluster = require('cluster'); | ||
const tmpdir = require('../common/tmpdir'); | ||
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// The core has bug in handling pipe handle by ipc when platform is win32, | ||
// it can be triggered on win32. I will fix it in another pr. | ||
if (common.isWindows) | ||
common.skip('no setSimultaneousAccepts on pipe handle'); | ||
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let connectionCount = 0; | ||
let listenCount = 0; | ||
let worker1; | ||
let worker2; | ||
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function request(path) { | ||
for (let i = 0; i < 10; i++) { | ||
net.connect(path); | ||
} | ||
} | ||
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function handleMessage(message) { | ||
assert.match(message.action, /listen|connection/); | ||
if (message.action === 'listen') { | ||
if (++listenCount === 2) { | ||
request(common.PIPE); | ||
} | ||
} else if (message.action === 'connection') { | ||
if (++connectionCount === 10) { | ||
worker1.send({ action: 'disconnect' }); | ||
worker2.send({ action: 'disconnect' }); | ||
} | ||
} | ||
} | ||
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if (cluster.isPrimary) { | ||
cluster.schedulingPolicy = cluster.SCHED_RR; | ||
tmpdir.refresh(); | ||
worker1 = cluster.fork({ maxConnections: 1, pipePath: common.PIPE }); | ||
worker2 = cluster.fork({ maxConnections: 9, pipePath: common.PIPE }); | ||
worker1.on('message', common.mustCall((message) => { | ||
handleMessage(message); | ||
}, 2)); | ||
worker2.on('message', common.mustCall((message) => { | ||
handleMessage(message); | ||
}, 10)); | ||
} else { | ||
const server = net.createServer(common.mustCall((socket) => { | ||
process.send({ action: 'connection' }); | ||
}, +process.env.maxConnections)); | ||
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server.listen(process.env.pipePath, common.mustCall(() => { | ||
process.send({ action: 'listen' }); | ||
})); | ||
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server.maxConnections = +process.env.maxConnections; | ||
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process.on('message', common.mustCall((message) => { | ||
assert.strictEqual(message.action, 'disconnect'); | ||
process.disconnect(); | ||
})); | ||
} |