// 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'; // The purpose of this test is to make sure that when forking a process, // sending a fd representing a UDP socket to the child and sending messages // to this endpoint, these messages are distributed to the parent and the // child process. const common = require('../common'); if (common.isWindows) common.skip('Sending dgram sockets to child processes is not supported'); const dgram = require('dgram'); const fork = require('child_process').fork; const assert = require('assert'); if (process.argv[2] === 'child') { let childServer; process.once('message', (msg, clusterServer) => { childServer = clusterServer; childServer.once('message', () => { process.send('gotMessage'); childServer.close(); }); process.send('handleReceived'); }); } else { const parentServer = dgram.createSocket('udp4'); const client = dgram.createSocket('udp4'); const child = fork(__filename, ['child']); const msg = Buffer.from('Some bytes'); let childGotMessage = false; let parentGotMessage = false; parentServer.once('message', (msg, rinfo) => { parentGotMessage = true; parentServer.close(); }); parentServer.on('listening', () => { child.send('server', parentServer); child.on('message', (msg) => { if (msg === 'gotMessage') { childGotMessage = true; } else if (msg === 'handleReceived') { sendMessages(); } }); }); function sendMessages() { const serverPort = parentServer.address().port; const timer = setInterval(() => { // Both the parent and the child got at least one message, // test passed, clean up everything. if (parentGotMessage && childGotMessage) { clearInterval(timer); client.close(); } else { client.send( msg, 0, msg.length, serverPort, '127.0.0.1', (err) => { assert.ifError(err); } ); } }, 1); } parentServer.bind(0, '127.0.0.1'); process.once('exit', () => { assert(parentGotMessage); assert(childGotMessage); }); }