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Diffstat (limited to 'src/network/access/http2/hpack_p.h')
-rw-r--r-- | src/network/access/http2/hpack_p.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/network/access/http2/hpack_p.h b/src/network/access/http2/hpack_p.h new file mode 100644 index 0000000000..6a1d30d87b --- /dev/null +++ b/src/network/access/http2/hpack_p.h @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtNetwork module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef HPACK_P_H +#define HPACK_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of other Qt classes. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "hpacktable_p.h" + +#include <QtCore/qglobal.h> + +#include <vector> + +QT_BEGIN_NAMESPACE + +class QByteArray; + +namespace HPack +{ + +using HttpHeader = std::vector<HeaderField>; +HeaderSize header_size(const HttpHeader &header); + +class Q_AUTOTEST_EXPORT Encoder +{ +public: + Encoder(quint32 maxTableSize, bool compressStrings); + + quint32 dynamicTableSize() const; + + bool encodeRequest(class BitOStream &outputStream, + const HttpHeader &header); + bool encodeResponse(BitOStream &outputStream, + const HttpHeader &header); + + bool encodeSizeUpdate(BitOStream &outputStream, + quint32 newSize); + + void setMaxDynamicTableSize(quint32 size); + +private: + bool encodeRequestPseudoHeaders(BitOStream &outputStream, + const HttpHeader &header); + bool encodeHeaderField(BitOStream &outputStream, + const HeaderField &field); + bool encodeMethod(BitOStream &outputStream, + const HeaderField &field); + + bool encodeResponsePseudoHeaders(BitOStream &outputStream, + const HttpHeader &header); + + bool encodeIndexedField(BitOStream &outputStream, quint32 index) const; + + + bool encodeLiteralField(BitOStream &outputStream, + const struct BitPattern &fieldType, + quint32 nameIndex, + const QByteArray &value, + bool withCompression); + + bool encodeLiteralField(BitOStream &outputStream, + const BitPattern &fieldType, + const QByteArray &name, + const QByteArray &value, + bool withCompression); + + FieldLookupTable lookupTable; + bool compressStrings; +}; + +class Q_AUTOTEST_EXPORT Decoder +{ +public: + Decoder(quint32 maxTableSize); + + bool decodeHeaderFields(class BitIStream &inputStream); + + const HttpHeader &decodedHeader() const + { + return header; + } + + quint32 dynamicTableSize() const; + + void setMaxDynamicTableSize(quint32 size); + +private: + + bool decodeIndexedField(BitIStream &inputStream); + bool decodeSizeUpdate(BitIStream &inputStream); + bool decodeLiteralField(const BitPattern &fieldType, + BitIStream &inputStream); + + bool processDecodedField(const BitPattern &fieldType, + const QByteArray &name, + const QByteArray &value); + + void handleStreamError(BitIStream &inputStream); + + HttpHeader header; + FieldLookupTable lookupTable; +}; + +} + +QT_END_NAMESPACE + +#endif + |