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Ouyang Yadong
2bea9cefbc
dgram: Implement binding an existing `fd`. Allow pass a `fd` property to `socket.bind()` in dgram. src: Add `UDPWrap::Open` PR-URL: https://github.com/nodejs/node/pull/21745 Fixes: https://github.com/nodejs/node/issues/14961 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
35 lines
838 B
JavaScript
35 lines
838 B
JavaScript
// Flags: --expose-internals
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { _createSocketHandle } = require('internal/dgram');
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const UDP = process.binding('udp_wrap').UDP;
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{
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// Create a handle that is not bound.
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const handle = _createSocketHandle(null, null, 'udp4');
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assert(handle instanceof UDP);
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assert.strictEqual(typeof handle.fd, 'number');
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assert(handle.fd < 0);
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}
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{
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// Create a bound handle.
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const handle = _createSocketHandle(common.localhostIPv4, 0, 'udp4');
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assert(handle instanceof UDP);
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assert.strictEqual(typeof handle.fd, 'number');
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if (!common.isWindows)
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assert(handle.fd > 0);
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}
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{
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// Return an error if binding fails.
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const err = _createSocketHandle('localhost', 0, 'udp4');
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assert.strictEqual(typeof err, 'number');
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assert(err < 0);
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}
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