mirror of https://gitee.com/openkylin/nodejs.git
46 lines
2.1 KiB
JavaScript
46 lines
2.1 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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// 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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const common = require('../common');
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const dgram = require('dgram');
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const socket = dgram.createSocket('udp4');
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const buf = Buffer.from([1, 2, 3, 4]);
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const portGetter = dgram.createSocket('udp4')
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.bind(0, 'localhost', common.mustCall(() => {
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const { address, port } = portGetter.address();
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portGetter.close(common.mustCall(() => {
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socket.send(buf, 0, 0, port, address, common.mustNotCall());
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socket.send(buf, 0, 4, port, address, common.mustNotCall());
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socket.send(buf, 1, 3, port, address, common.mustNotCall());
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socket.send(buf, 3, 1, port, address, common.mustNotCall());
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// Since length of zero means nothing, don't error despite OOB.
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socket.send(buf, 4, 0, port, address, common.mustNotCall());
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socket.close();
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}));
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}));
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