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tls: fix performance regression in convertALPNProtocols() #43250

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merged 1 commit into from
Jun 3, 2022
Merged

tls: fix performance regression in convertALPNProtocols() #43250

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7 changes: 2 additions & 5 deletions lib/tls.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,6 @@ const internalUtil = require('internal/util');
internalUtil.assertCrypto();
const {
isArrayBufferView,
isDataView,
isUint8Array,
} = require('internal/util/types');

Expand Down Expand Up @@ -148,16 +147,14 @@ exports.convertALPNProtocols = function convertALPNProtocols(protocols, out) {
// If protocols is Array - translate it into buffer
if (ArrayIsArray(protocols)) {
out.ALPNProtocols = convertProtocols(protocols);
} else if (Buffer.isBuffer(protocols) || isUint8Array(protocols)) {
} else if (isUint8Array(protocols)) {
// Copy new buffer not to be modified by user.
out.ALPNProtocols = Buffer.from(protocols);
} else if (isDataView(protocols)) {
} else if (isArrayBufferView(protocols)) {
out.ALPNProtocols = Buffer.from(protocols.buffer.slice(
protocols.byteOffset,
protocols.byteOffset + protocols.byteLength
));
} else if (isArrayBufferView(protocols)) {
out.ALPNProtocols = Buffer.from(protocols.slice().buffer);
}
};

Expand Down