mirror of https://gitee.com/openkylin/nodejs.git
106 lines
3.1 KiB
JavaScript
106 lines
3.1 KiB
JavaScript
// 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 cluster = require('cluster');
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const net = require('net');
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if (cluster.isWorker) {
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net.createServer((socket) => {
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socket.end('echo');
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}).listen(0, '127.0.0.1');
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net.createServer((socket) => {
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socket.end('echo');
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}).listen(0, '127.0.0.1');
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} else if (cluster.isMaster) {
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const servers = 2;
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const serverPorts = new Set();
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// Test a single TCP server
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const testConnection = (port, cb) => {
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const socket = net.connect(port, '127.0.0.1', () => {
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// buffer result
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let result = '';
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socket.on('data', (chunk) => { result += chunk; });
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// check result
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socket.on('end', common.mustCall(() => {
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cb(result === 'echo');
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serverPorts.delete(port);
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}));
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});
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};
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// Test both servers created in the cluster
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const testCluster = (cb) => {
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let done = 0;
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const portsArray = Array.from(serverPorts);
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for (let i = 0; i < servers; i++) {
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testConnection(portsArray[i], (success) => {
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assert.ok(success);
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done += 1;
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if (done === servers) {
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cb();
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}
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});
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}
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};
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// Start two workers and execute callback when both is listening
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const startCluster = (cb) => {
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const workers = 8;
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let online = 0;
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for (let i = 0, l = workers; i < l; i++) {
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cluster.fork().on('listening', common.mustCall((address) => {
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serverPorts.add(address.port);
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online += 1;
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if (online === workers * servers) {
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cb();
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}
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}, servers));
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}
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};
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const test = (again) => {
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// 1. start cluster
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startCluster(common.mustCall(() => {
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// 2. test cluster
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testCluster(common.mustCall(() => {
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// 3. disconnect cluster
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cluster.disconnect(common.mustCall(() => {
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// Run test again to confirm cleanup
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if (again) {
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test();
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}
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}));
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}));
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}));
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};
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test(true);
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}
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