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58446912a6
When a writev is caused on a socket (sometimes through corking and uncorking), previously net would call Buffer.byteLength on the array of buffers and chunks. This throws a TypeError, because Buffer.byteLength throws when passed a non-string. Indbfe8c4e, behavior changed to throw when passed a non-string. This is correct behavior. Previously, it would cast the argument to a string, so before this commit, bytesWritten would give an erroneous value. This commit corrects the behavior equally both before and afterdbfe8c4e. This commit fixes this bug by iterating over each chunk in the pending stack and calculating the length individually. Also adds a regression test. This additionally changes an `instanceof Buffer` check to `typeof !== 'string'`, which should be equivalent. PR-URL: https://github.com/nodejs/node/pull/14236 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Refs: https://github.com/nodejs/node/pull/2960
36 lines
855 B
JavaScript
36 lines
855 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const net = require('net');
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const server = net.createServer(function(socket) {
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socket.end();
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});
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server.listen(0, common.mustCall(function() {
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const socket = net.connect(server.address().port);
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// Cork the socket, then write twice; this should cause a writev, which
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// previously caused an err in the bytesWritten count.
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socket.cork();
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socket.write('one');
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socket.write(new Buffer('twø', 'utf8'));
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socket.uncork();
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// one = 3 bytes, twø = 4 bytes
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assert.strictEqual(socket.bytesWritten, 3 + 4);
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socket.on('connect', common.mustCall(function() {
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assert.strictEqual(socket.bytesWritten, 3 + 4);
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}));
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socket.on('end', common.mustCall(function() {
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assert.strictEqual(socket.bytesWritten, 3 + 4);
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server.close();
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}));
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}));
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