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62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
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// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 16.13.0
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// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
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'use strict';
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const common = require('../common');
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if (!common.hasIPv6)
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common.skip('no IPv6 support');
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const assert = require('assert');
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const dgram = require('dgram');
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const os = require('os');
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const { isWindows } = common;
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function linklocal() {
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for (const [ifname, entries] of Object.entries(os.networkInterfaces())) {
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for (const { address, family, scopeid } of entries) {
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if (family === 'IPv6' && address.startsWith('fe80:')) {
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return { address, ifname, scopeid };
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}
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}
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}
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}
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const iface = linklocal();
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if (!iface)
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common.skip('cannot find any IPv6 interfaces with a link local address');
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const address = isWindows ? iface.address : `${iface.address}%${iface.ifname}`;
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const message = 'Hello, local world!';
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// Create a client socket for sending to the link-local address.
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const client = dgram.createSocket('udp6');
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// Create the server socket listening on the link-local address.
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const server = dgram.createSocket('udp6');
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server.on('listening', common.mustCall(() => {
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const port = server.address().port;
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client.send(message, 0, message.length, port, address);
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}));
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server.on('message', common.mustCall((buf, info) => {
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const received = buf.toString();
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assert.strictEqual(received, message);
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// Check that the sender address is the one bound,
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// including the link local scope identifier.
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// TODO(cmorten): info.address is missing the link local scope identifier
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// assert.strictEqual(
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// info.address,
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// isWindows ? `${iface.address}%${iface.scopeid}` : address
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// );
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server.close();
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client.close();
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}, 1));
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server.bind({ address });
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