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'; 23// This example attempts to time out before the connection is established 24// https://groups.google.com/forum/#!topic/nodejs/UE0ZbfLt6t8 25// https://groups.google.com/forum/#!topic/nodejs-dev/jR7-5UDqXkw 26 27const common = require('../common'); 28const net = require('net'); 29const assert = require('assert'); 30 31const start = new Date(); 32 33const T = 100; 34 35// 192.0.2.1 is part of subnet assigned as "TEST-NET" in RFC 5737. 36// For use solely in documentation and example source code. 37// In short, it should be unreachable. 38// In practice, it's a network black hole. 39const socket = net.createConnection(9999, '192.0.2.1'); 40 41socket.setTimeout(T); 42 43socket.on('timeout', common.mustCall(function() { 44 console.error('timeout'); 45 const now = new Date(); 46 assert.ok(now - start < T + 500); 47 socket.destroy(); 48})); 49 50socket.on('connect', common.mustNotCall()); 51