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98e54b0bd4
A prior io.js era commit inappropriately removed the original copyright statements from the source. This restores those in any files still remaining from that edit. Ref: https://github.com/nodejs/TSC/issues/174 Ref: https://github.com/nodejs/node/pull/10599 PR-URL: https://github.com/nodejs/node/pull/10155 Note: This PR was required, reviewed-by and approved by the Node.js Foundation Legal Committee and the TSC. There is no `Approved-By:` meta data.
82 lines
2.7 KiB
JavaScript
82 lines
2.7 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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// Some operating systems report errors when an UDP message is sent to an
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// unreachable host. This error can be reported by sendto() and even by
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// recvfrom(). Node should not propagate this error to the user.
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// We test this by sending a bunch of packets to random IPs. In the meantime
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// we also send packets to ourselves to verify that after receiving an error
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// we can still receive packets successfully.
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const common = require('../common');
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var ITERATIONS = 1000;
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const assert = require('assert'),
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dgram = require('dgram');
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var buf = Buffer.alloc(1024, 42);
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var packetsReceived = 0,
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packetsSent = 0;
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var socket = dgram.createSocket('udp4');
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socket.on('message', onMessage);
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socket.on('listening', doSend);
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socket.bind(common.PORT);
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function onMessage(message, info) {
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packetsReceived++;
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if (packetsReceived < ITERATIONS) {
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doSend();
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} else {
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socket.close();
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}
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}
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function afterSend(err) {
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assert.ifError(err);
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packetsSent++;
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}
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function doSend() {
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// Generate a random IP.
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var parts = [];
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for (var i = 0; i < 4; i++) {
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// Generate a random number in the range 1..254.
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parts.push(Math.floor(Math.random() * 254) + 1);
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}
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var ip = parts.join('.');
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socket.send(buf, 0, buf.length, 1, ip, afterSend);
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socket.send(buf, 0, buf.length, common.PORT, '127.0.0.1', afterSend);
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}
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process.on('exit', function() {
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console.log(packetsSent + ' UDP packets sent, ' +
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packetsReceived + ' received');
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assert.strictEqual(packetsSent, ITERATIONS * 2);
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assert.strictEqual(packetsReceived, ITERATIONS);
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});
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