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http2protocol: use QSB to reduce allocations

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Change-Id: I9bc312e6c7e4b7c8f613b88e206a2a23f9e23722
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
This commit is contained in:
Anton Kudryavtsev 2023-08-23 11:56:27 +03:00
parent 3308ce3fd3
commit 6ade83e635
1 changed files with 3 additions and 5 deletions
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8
src/network/access/http2/http2protocol.cpp
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@ -76,12 +76,10 @@ void appendProtocolUpgradeHeaders(const QHttp2Configuration &config, QHttpNetwor
Q_ASSERT(request);
// RFC 2616, 14.10
// RFC 7540, 3.2
QByteArray value(request->headerField("Connection"));
const QByteArray connectionHeader = request->headerField("Connection");
const auto separator = connectionHeader.isEmpty() ? QByteArrayView() : QByteArrayView(", ");
// We _append_ 'Upgrade':
if (value.size())
value += ", ";
value += "Upgrade, HTTP2-Settings";
QByteArray value = connectionHeader + separator + "Upgrade, HTTP2-Settings";
request->setHeaderField("Connection", value);
// This we just (re)write.
request->setHeaderField("Upgrade", "h2c");