test: refactor child-process-fork-net
Split test-child-process-fork-net into test-child-process-fork-net-server and test-child-process-fork-net-socket. Rename test-child-process-fork-net2.js to test-child-process-fork-net.js. Refs: https://github.com/nodejs/node/pull/21012 PR-URL: https://github.com/nodejs/node/pull/21095 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
This commit is contained in:
Rich Trott
Michaël Zasso
parent
5aa47bd26b
commit
3c5b8b4602
@ -9,7 +9,7 @@ prefix parallel
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test-postmortem-metadata: PASS,FLAKY
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[$system==win32]
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test-child-process-fork-net: PASS,FLAKY
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test-child-process-fork-net-socket: PASS,FLAKY
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[$system==linux]
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145
test/parallel/test-child-process-fork-net-server.js
Normal file
145
test/parallel/test-child-process-fork-net-server.js
Normal file
@ -0,0 +1,145 @@
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
|
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fork = require('child_process').fork;
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const net = require('net');
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function ProgressTracker(missing, callback) {
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this.missing = missing;
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this.callback = callback;
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}
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ProgressTracker.prototype.done = function() {
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this.missing -= 1;
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this.check();
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};
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ProgressTracker.prototype.check = function() {
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if (this.missing === 0) this.callback();
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};
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if (process.argv[2] === 'child') {
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let serverScope;
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process.on('message', function onServer(msg, server) {
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if (msg.what !== 'server') return;
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process.removeListener('message', onServer);
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serverScope = server;
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server.on('connection', function(socket) {
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console.log('CHILD: got connection');
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process.send({ what: 'connection' });
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socket.destroy();
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});
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// Start making connection from parent.
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console.log('CHILD: server listening');
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process.send({ what: 'listening' });
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});
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process.on('message', function onClose(msg) {
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if (msg.what !== 'close') return;
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process.removeListener('message', onClose);
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serverScope.on('close', function() {
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process.send({ what: 'close' });
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});
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serverScope.close();
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});
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process.send({ what: 'ready' });
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} else {
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const child = fork(process.argv[1], ['child']);
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child.on('exit', common.mustCall(function(code, signal) {
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const message = `CHILD: died with ${code}, ${signal}`;
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assert.strictEqual(code, 0, message);
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}));
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// Send net.Server to child and test by connecting.
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function testServer(callback) {
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// Destroy server execute callback when done.
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const progress = new ProgressTracker(2, function() {
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server.on('close', function() {
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console.log('PARENT: server closed');
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child.send({ what: 'close' });
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});
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server.close();
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});
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// We expect 4 connections and close events.
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const connections = new ProgressTracker(4, progress.done.bind(progress));
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const closed = new ProgressTracker(4, progress.done.bind(progress));
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// Create server and send it to child.
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const server = net.createServer();
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server.on('connection', function(socket) {
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console.log('PARENT: got connection');
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socket.destroy();
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connections.done();
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});
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server.on('listening', function() {
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console.log('PARENT: server listening');
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child.send({ what: 'server' }, server);
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});
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server.listen(0);
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// Handle client messages.
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function messageHandlers(msg) {
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if (msg.what === 'listening') {
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// Make connections.
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let socket;
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for (let i = 0; i < 4; i++) {
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socket = net.connect(server.address().port, function() {
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console.log('CLIENT: connected');
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});
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socket.on('close', function() {
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closed.done();
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console.log('CLIENT: closed');
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});
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}
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} else if (msg.what === 'connection') {
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// child got connection
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connections.done();
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} else if (msg.what === 'close') {
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child.removeListener('message', messageHandlers);
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callback();
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}
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}
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child.on('message', messageHandlers);
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}
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// Create server and send it to child.
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child.on('message', function onReady(msg) {
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if (msg.what !== 'ready') return;
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child.removeListener('message', onReady);
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testServer(common.mustCall());
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});
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}
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87
test/parallel/test-child-process-fork-net-socket.js
Normal file
87
test/parallel/test-child-process-fork-net-socket.js
Normal file
@ -0,0 +1,87 @@
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fork = require('child_process').fork;
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const net = require('net');
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if (process.argv[2] === 'child') {
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process.on('message', function onSocket(msg, socket) {
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if (msg.what !== 'socket') return;
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process.removeListener('message', onSocket);
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socket.end('echo');
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console.log('CHILD: got socket');
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});
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process.send({ what: 'ready' });
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} else {
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const child = fork(process.argv[1], ['child']);
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child.on('exit', common.mustCall(function(code, signal) {
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const message = `CHILD: died with ${code}, ${signal}`;
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assert.strictEqual(code, 0, message);
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}));
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// Send net.Socket to child.
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function testSocket(callback) {
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// Create a new server and connect to it,
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// but the socket will be handled by the child.
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const server = net.createServer();
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server.on('connection', function(socket) {
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socket.on('close', function() {
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console.log('CLIENT: socket closed');
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});
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child.send({ what: 'socket' }, socket);
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});
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server.on('close', function() {
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console.log('PARENT: server closed');
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callback();
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});
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server.listen(0, function() {
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console.log('testSocket, listening');
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const connect = net.connect(server.address().port);
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let store = '';
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connect.on('data', function(chunk) {
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store += chunk;
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console.log('CLIENT: got data');
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});
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connect.on('close', function() {
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console.log('CLIENT: closed');
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assert.strictEqual(store, 'echo');
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server.close();
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});
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});
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}
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// Create socket and send it to child.
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child.on('message', function onReady(msg) {
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if (msg.what !== 'ready') return;
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child.removeListener('message', onReady);
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testSocket(common.mustCall());
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});
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}
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@ -24,182 +24,141 @@ const common = require('../common');
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const assert = require('assert');
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const fork = require('child_process').fork;
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const net = require('net');
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function ProgressTracker(missing, callback) {
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this.missing = missing;
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this.callback = callback;
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}
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ProgressTracker.prototype.done = function() {
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this.missing -= 1;
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this.check();
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};
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ProgressTracker.prototype.check = function() {
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if (this.missing === 0) this.callback();
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};
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const count = 12;
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if (process.argv[2] === 'child') {
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const needEnd = [];
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const id = process.argv[3];
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let serverScope;
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process.on('message', function(m, socket) {
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if (!socket) return;
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process.on('message', function onServer(msg, server) {
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if (msg.what !== 'server') return;
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process.removeListener('message', onServer);
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console.error(`[${id}] got socket ${m}`);
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serverScope = server;
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// will call .end('end') or .write('write');
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socket[m](m);
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server.on('connection', function(socket) {
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console.log('CHILD: got connection');
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process.send({ what: 'connection' });
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socket.destroy();
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socket.resume();
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socket.on('data', function() {
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console.error(`[${id}] socket.data ${m}`);
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});
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// Start making connection from parent.
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console.log('CHILD: server listening');
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process.send({ what: 'listening' });
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});
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process.on('message', function onClose(msg) {
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if (msg.what !== 'close') return;
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process.removeListener('message', onClose);
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serverScope.on('close', function() {
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process.send({ what: 'close' });
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});
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serverScope.close();
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});
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process.on('message', function onSocket(msg, socket) {
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if (msg.what !== 'socket') return;
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process.removeListener('message', onSocket);
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socket.end('echo');
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console.log('CHILD: got socket');
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});
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process.send({ what: 'ready' });
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} else {
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const child = fork(process.argv[1], ['child']);
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child.on('exit', common.mustCall(function(code, signal) {
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const message = `CHILD: died with ${code}, ${signal}`;
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assert.strictEqual(code, 0, message);
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}));
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// Send net.Server to child and test by connecting.
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function testServer(callback) {
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// Destroy server execute callback when done.
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const progress = new ProgressTracker(2, function() {
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server.on('close', function() {
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console.log('PARENT: server closed');
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child.send({ what: 'close' });
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});
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server.close();
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socket.on('end', function() {
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console.error(`[${id}] socket.end ${m}`);
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});
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// We expect 4 connections and close events.
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const connections = new ProgressTracker(4, progress.done.bind(progress));
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const closed = new ProgressTracker(4, progress.done.bind(progress));
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// Create server and send it to child.
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const server = net.createServer();
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server.on('connection', function(socket) {
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console.log('PARENT: got connection');
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socket.destroy();
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connections.done();
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});
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server.on('listening', function() {
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console.log('PARENT: server listening');
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child.send({ what: 'server' }, server);
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});
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server.listen(0);
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// Handle client messages.
|
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function messageHandlers(msg) {
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|
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if (msg.what === 'listening') {
|
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// Make connections.
|
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let socket;
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for (let i = 0; i < 4; i++) {
|
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socket = net.connect(server.address().port, function() {
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console.log('CLIENT: connected');
|
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});
|
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socket.on('close', function() {
|
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closed.done();
|
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console.log('CLIENT: closed');
|
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});
|
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}
|
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|
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} else if (msg.what === 'connection') {
|
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// child got connection
|
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connections.done();
|
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} else if (msg.what === 'close') {
|
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child.removeListener('message', messageHandlers);
|
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callback();
|
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}
|
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// store the unfinished socket
|
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if (m === 'write') {
|
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needEnd.push(socket);
|
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}
|
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|
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child.on('message', messageHandlers);
|
||||
}
|
||||
|
||||
// Send net.Socket to child.
|
||||
function testSocket(callback) {
|
||||
|
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// Create a new server and connect to it,
|
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// but the socket will be handled by the child.
|
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const server = net.createServer();
|
||||
server.on('connection', function(socket) {
|
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socket.on('close', function() {
|
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console.log('CLIENT: socket closed');
|
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});
|
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child.send({ what: 'socket' }, socket);
|
||||
});
|
||||
server.on('close', function() {
|
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console.log('PARENT: server closed');
|
||||
callback();
|
||||
});
|
||||
// Don't listen on the same port, because SmartOS sometimes says
|
||||
// that the server's fd is closed, but it still cannot listen
|
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// on the same port again.
|
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//
|
||||
// An isolated test for this would be lovely, but for now, this
|
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// will have to do.
|
||||
server.listen(0, function() {
|
||||
console.log('testSocket, listening');
|
||||
const connect = net.connect(server.address().port);
|
||||
let store = '';
|
||||
connect.on('data', function(chunk) {
|
||||
store += chunk;
|
||||
console.log('CLIENT: got data');
|
||||
});
|
||||
connect.on('close', function() {
|
||||
console.log('CLIENT: closed');
|
||||
assert.strictEqual(store, 'echo');
|
||||
server.close();
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
// Create server and send it to child.
|
||||
let serverSuccess = false;
|
||||
let socketSuccess = false;
|
||||
child.on('message', function onReady(msg) {
|
||||
if (msg.what !== 'ready') return;
|
||||
child.removeListener('message', onReady);
|
||||
|
||||
testServer(function() {
|
||||
serverSuccess = true;
|
||||
|
||||
testSocket(function() {
|
||||
socketSuccess = true;
|
||||
});
|
||||
socket.on('close', function(had_error) {
|
||||
console.error(`[${id}] socket.close ${had_error} ${m}`);
|
||||
});
|
||||
|
||||
socket.on('finish', function() {
|
||||
console.error(`[${id}] socket finished ${m}`);
|
||||
});
|
||||
});
|
||||
|
||||
process.on('message', function(m) {
|
||||
if (m !== 'close') return;
|
||||
console.error(`[${id}] got close message`);
|
||||
needEnd.forEach(function(endMe, i) {
|
||||
console.error(`[${id}] ending ${i}/${needEnd.length}`);
|
||||
endMe.end('end');
|
||||
});
|
||||
});
|
||||
|
||||
process.on('disconnect', function() {
|
||||
console.error(`[${id}] process disconnect, ending`);
|
||||
needEnd.forEach(function(endMe, i) {
|
||||
console.error(`[${id}] ending ${i}/${needEnd.length}`);
|
||||
endMe.end('end');
|
||||
});
|
||||
});
|
||||
|
||||
} else {
|
||||
|
||||
const child1 = fork(process.argv[1], ['child', '1']);
|
||||
const child2 = fork(process.argv[1], ['child', '2']);
|
||||
const child3 = fork(process.argv[1], ['child', '3']);
|
||||
|
||||
const server = net.createServer();
|
||||
|
||||
let connected = 0;
|
||||
let closed = 0;
|
||||
server.on('connection', function(socket) {
|
||||
switch (connected % 6) {
|
||||
case 0:
|
||||
child1.send('end', socket); break;
|
||||
case 1:
|
||||
child1.send('write', socket); break;
|
||||
case 2:
|
||||
child2.send('end', socket); break;
|
||||
case 3:
|
||||
child2.send('write', socket); break;
|
||||
case 4:
|
||||
child3.send('end', socket); break;
|
||||
case 5:
|
||||
child3.send('write', socket); break;
|
||||
}
|
||||
connected += 1;
|
||||
|
||||
socket.once('close', function() {
|
||||
console.log(`[m] socket closed, total ${++closed}`);
|
||||
});
|
||||
|
||||
if (connected === count) {
|
||||
closeServer();
|
||||
}
|
||||
});
|
||||
|
||||
let disconnected = 0;
|
||||
server.on('listening', function() {
|
||||
|
||||
let j = count;
|
||||
while (j--) {
|
||||
const client = net.connect(this.address().port, '127.0.0.1');
|
||||
client.on('error', function() {
|
||||
// This can happen if we kill the child too early.
|
||||
// The client should still get a close event afterwards.
|
||||
console.error('[m] CLIENT: error event');
|
||||
});
|
||||
client.on('close', function() {
|
||||
console.error('[m] CLIENT: close event');
|
||||
disconnected += 1;
|
||||
});
|
||||
client.resume();
|
||||
}
|
||||
});
|
||||
|
||||
let closeEmitted = false;
|
||||
server.on('close', common.mustCall(function() {
|
||||
closeEmitted = true;
|
||||
|
||||
child1.kill();
|
||||
child2.kill();
|
||||
child3.kill();
|
||||
}));
|
||||
|
||||
server.listen(0, '127.0.0.1');
|
||||
|
||||
function closeServer() {
|
||||
server.close();
|
||||
|
||||
setTimeout(function() {
|
||||
assert(!closeEmitted);
|
||||
child1.send('close');
|
||||
child2.send('close');
|
||||
child3.disconnect();
|
||||
}, 200);
|
||||
}
|
||||
|
||||
process.on('exit', function() {
|
||||
assert.ok(serverSuccess);
|
||||
assert.ok(socketSuccess);
|
||||
assert.strictEqual(server._workers.length, 0);
|
||||
assert.strictEqual(disconnected, count);
|
||||
assert.strictEqual(connected, count);
|
||||
});
|
||||
|
||||
}
|
||||
|
||||
@ -1,164 +0,0 @@
|
||||
// Copyright Joyent, Inc. and other Node contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
||||
// persons to whom the Software is furnished to do so, subject to the
|
||||
// following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
||||
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
||||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||||
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
||||
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
'use strict';
|
||||
const common = require('../common');
|
||||
const assert = require('assert');
|
||||
const fork = require('child_process').fork;
|
||||
const net = require('net');
|
||||
const count = 12;
|
||||
|
||||
if (process.argv[2] === 'child') {
|
||||
const needEnd = [];
|
||||
const id = process.argv[3];
|
||||
|
||||
process.on('message', function(m, socket) {
|
||||
if (!socket) return;
|
||||
|
||||
console.error(`[${id}] got socket ${m}`);
|
||||
|
||||
// will call .end('end') or .write('write');
|
||||
socket[m](m);
|
||||
|
||||
socket.resume();
|
||||
|
||||
socket.on('data', function() {
|
||||
console.error(`[${id}] socket.data ${m}`);
|
||||
});
|
||||
|
||||
socket.on('end', function() {
|
||||
console.error(`[${id}] socket.end ${m}`);
|
||||
});
|
||||
|
||||
// store the unfinished socket
|
||||
if (m === 'write') {
|
||||
needEnd.push(socket);
|
||||
}
|
||||
|
||||
socket.on('close', function(had_error) {
|
||||
console.error(`[${id}] socket.close ${had_error} ${m}`);
|
||||
});
|
||||
|
||||
socket.on('finish', function() {
|
||||
console.error(`[${id}] socket finished ${m}`);
|
||||
});
|
||||
});
|
||||
|
||||
process.on('message', function(m) {
|
||||
if (m !== 'close') return;
|
||||
console.error(`[${id}] got close message`);
|
||||
needEnd.forEach(function(endMe, i) {
|
||||
console.error(`[${id}] ending ${i}/${needEnd.length}`);
|
||||
endMe.end('end');
|
||||
});
|
||||
});
|
||||
|
||||
process.on('disconnect', function() {
|
||||
console.error(`[${id}] process disconnect, ending`);
|
||||
needEnd.forEach(function(endMe, i) {
|
||||
console.error(`[${id}] ending ${i}/${needEnd.length}`);
|
||||
endMe.end('end');
|
||||
});
|
||||
});
|
||||
|
||||
} else {
|
||||
|
||||
const child1 = fork(process.argv[1], ['child', '1']);
|
||||
const child2 = fork(process.argv[1], ['child', '2']);
|
||||
const child3 = fork(process.argv[1], ['child', '3']);
|
||||
|
||||
const server = net.createServer();
|
||||
|
||||
let connected = 0;
|
||||
let closed = 0;
|
||||
server.on('connection', function(socket) {
|
||||
switch (connected % 6) {
|
||||
case 0:
|
||||
child1.send('end', socket); break;
|
||||
case 1:
|
||||
child1.send('write', socket); break;
|
||||
case 2:
|
||||
child2.send('end', socket); break;
|
||||
case 3:
|
||||
child2.send('write', socket); break;
|
||||
case 4:
|
||||
child3.send('end', socket); break;
|
||||
case 5:
|
||||
child3.send('write', socket); break;
|
||||
}
|
||||
connected += 1;
|
||||
|
||||
socket.once('close', function() {
|
||||
console.log(`[m] socket closed, total ${++closed}`);
|
||||
});
|
||||
|
||||
if (connected === count) {
|
||||
closeServer();
|
||||
}
|
||||
});
|
||||
|
||||
let disconnected = 0;
|
||||
server.on('listening', function() {
|
||||
|
||||
let j = count;
|
||||
while (j--) {
|
||||
const client = net.connect(this.address().port, '127.0.0.1');
|
||||
client.on('error', function() {
|
||||
// This can happen if we kill the child too early.
|
||||
// The client should still get a close event afterwards.
|
||||
console.error('[m] CLIENT: error event');
|
||||
});
|
||||
client.on('close', function() {
|
||||
console.error('[m] CLIENT: close event');
|
||||
disconnected += 1;
|
||||
});
|
||||
client.resume();
|
||||
}
|
||||
});
|
||||
|
||||
let closeEmitted = false;
|
||||
server.on('close', common.mustCall(function() {
|
||||
closeEmitted = true;
|
||||
|
||||
child1.kill();
|
||||
child2.kill();
|
||||
child3.kill();
|
||||
}));
|
||||
|
||||
server.listen(0, '127.0.0.1');
|
||||
|
||||
function closeServer() {
|
||||
server.close();
|
||||
|
||||
setTimeout(function() {
|
||||
assert(!closeEmitted);
|
||||
child1.send('close');
|
||||
child2.send('close');
|
||||
child3.disconnect();
|
||||
}, 200);
|
||||
}
|
||||
|
||||
process.on('exit', function() {
|
||||
assert.strictEqual(server._workers.length, 0);
|
||||
assert.strictEqual(disconnected, count);
|
||||
assert.strictEqual(connected, count);
|
||||
});
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user