1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23const common = require('../common'); 24const dgram = require('dgram'); 25 26const source = dgram.createSocket('udp4'); 27const target = dgram.createSocket('udp4'); 28let messages = 0; 29 30target.on('message', common.mustCall(function(buf) { 31 if (buf.toString() === 'abc') ++messages; 32 if (buf.toString() === 'def') ++messages; 33 if (messages === 2) { 34 source.close(); 35 target.close(); 36 } 37}, 2)); 38 39target.on('listening', common.mustCall(function() { 40 // Second .send() call should not throw a bind error. 41 const port = this.address().port; 42 source.send(Buffer.from('abc'), 0, 3, port, '127.0.0.1'); 43 source.send(Buffer.from('def'), 0, 3, port, '127.0.0.1'); 44})); 45 46target.bind(0); 47