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25 lines
1016 B
25 lines
1016 B
'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 = portGetter.address();
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portGetter.close(common.mustCall(() => {
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function ok() {}
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socket.send(buf, 0, 0, address.port, address.address, ok);
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socket.send(buf, 0, 4, address.port, address.address, ok);
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socket.send(buf, 1, 3, address.port, address.address, ok);
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socket.send(buf, 3, 1, address.port, address.address, ok);
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// Since length of zero means nothing, don't error despite OOB.
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socket.send(buf, 4, 0, address.port, address.address, ok);
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socket.close();
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}));
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}));
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