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/****************************************************************************
**
** Copyright (C) 2014 BlackBerry Limited. All rights reserved.
** 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 QSPDYPROTOCOLHANDLER_H
#define QSPDYPROTOCOLHANDLER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the Network Access API. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <QtNetwork/private/qtnetworkglobal_p.h>
#include <private/qabstractprotocolhandler_p.h>
#include <QtNetwork/qnetworkreply.h>
#include <private/qbytedata_p.h>
#include <zlib.h>
#if !defined(QT_NO_HTTP) && !defined(QT_NO_SSL)
QT_BEGIN_NAMESPACE
class QHttpNetworkRequest;
#ifndef HttpMessagePair
typedef QPair<QHttpNetworkRequest, QHttpNetworkReply*> HttpMessagePair;
#endif
class QSpdyProtocolHandler : public QObject, public QAbstractProtocolHandler {
Q_OBJECT
public:
QSpdyProtocolHandler(QHttpNetworkConnectionChannel *channel);
~QSpdyProtocolHandler();
enum DataFrameFlag {
DataFrame_FLAG_FIN = 0x01,
DataFrame_FLAG_COMPRESS = 0x02
};
Q_DECLARE_FLAGS(DataFrameFlags, DataFrameFlag)
enum ControlFrameFlag {
ControlFrame_FLAG_FIN = 0x01,
ControlFrame_FLAG_UNIDIRECTIONAL = 0x02
};
Q_DECLARE_FLAGS(ControlFrameFlags, ControlFrameFlag)
enum SETTINGS_Flag {
FLAG_SETTINGS_CLEAR_SETTINGS = 0x01
};
Q_DECLARE_FLAGS(SETTINGS_Flags, SETTINGS_Flag)
enum SETTINGS_ID_Flag {
FLAG_SETTINGS_PERSIST_VALUE = 0x01,
FLAG_SETTINGS_PERSISTED = 0x02
};
Q_DECLARE_FLAGS(SETTINGS_ID_Flags, SETTINGS_ID_Flag)
virtual void _q_receiveReply() Q_DECL_OVERRIDE;
virtual void _q_readyRead() Q_DECL_OVERRIDE;
virtual bool sendRequest() Q_DECL_OVERRIDE;
private slots:
void _q_uploadDataReadyRead();
void _q_replyDestroyed(QObject*);
private:
enum FrameType {
FrameType_SYN_STREAM = 1,
FrameType_SYN_REPLY = 2,
FrameType_RST_STREAM = 3,
FrameType_SETTINGS = 4,
FrameType_PING = 6,
FrameType_GOAWAY = 7,
FrameType_HEADERS = 8,
FrameType_WINDOW_UPDATE = 9,
FrameType_CREDENTIAL // has a special type
};
enum StatusCode {
StatusCode_PROTOCOL_ERROR = 1,
StatusCode_INVALID_STREAM = 2,
StatusCode_REFUSED_STREAM = 3,
StatusCode_UNSUPPORTED_VERSION = 4,
StatusCode_CANCEL = 5,
StatusCode_INTERNAL_ERROR = 6,
StatusCode_FLOW_CONTROL_ERROR = 7,
StatusCode_STREAM_IN_USE = 8,
StatusCode_STREAM_ALREADY_CLOSED = 9,
StatusCode_INVALID_CREDENTIALS = 10,
StatusCode_FRAME_TOO_LARGE = 11
};
enum SETTINGS_ID {
SETTINGS_UPLOAD_BANDWIDTH = 1,
SETTINGS_DOWNLOAD_BANDWIDTH = 2,
SETTINGS_ROUND_TRIP_TIME = 3,
SETTINGS_MAX_CONCURRENT_STREAMS = 4,
SETTINGS_CURRENT_CWND = 5,
SETTINGS_DOWNLOAD_RETRANS_RATE = 6,
SETTINGS_INITIAL_WINDOW_SIZE = 7,
SETTINGS_CLIENT_CERTIFICATE_VECTOR_SIZE = 8
};
enum GOAWAY_STATUS {
GOAWAY_OK = 0,
GOAWAY_PROTOCOL_ERROR = 1,
GOAWAY_INTERNAL_ERROR = 11
};
enum RST_STREAM_STATUS_CODE {
RST_STREAM_PROTOCOL_ERROR = 1,
RST_STREAM_INVALID_STREAM = 2,
RST_STREAM_REFUSED_STREAM = 3,
RST_STREAM_UNSUPPORTED_VERSION = 4,
RST_STREAM_CANCEL = 5,
RST_STREAM_INTERNAL_ERROR = 6,
RST_STREAM_FLOW_CONTROL_ERROR = 7,
RST_STREAM_STREAM_IN_USE = 8,
RST_STREAM_STREAM_ALREADY_CLOSED = 9,
RST_STREAM_INVALID_CREDENTIALS = 10,
RST_STREAM_FRAME_TOO_LARGE = 11
};
quint64 bytesAvailable() const;
bool readNextChunk(qint64 length, char *sink);
void sendControlFrame(FrameType type, ControlFrameFlags flags, const char *data, quint32 length);
void sendSYN_STREAM(const HttpMessagePair &pair, qint32 streamID,
qint32 associatedToStreamID);
void sendRST_STREAM(qint32 streamID, RST_STREAM_STATUS_CODE statusCode);
void sendPING(quint32 pingID);
bool uploadData(qint32 streamID);
Q_INVOKABLE void sendWINDOW_UPDATE(qint32 streamID, quint32 deltaWindowSize);
qint64 sendDataFrame(qint32 streamID, DataFrameFlags flags, quint32 length,
const char *data);
QByteArray composeHeader(const QHttpNetworkRequest &request);
bool uncompressHeader(const QByteArray &input, QByteArray *output);
void handleControlFrame(const QByteArray &frameHeaders);
void handleDataFrame(const QByteArray &frameHeaders);
void handleSYN_STREAM(char, quint32, const QByteArray &frameData);
void handleSYN_REPLY(char flags, quint32, const QByteArray &frameData);
void handleRST_STREAM(char flags, quint32 length, const QByteArray &frameData);
void handleSETTINGS(char flags, quint32 length, const QByteArray &frameData);
void handlePING(char, quint32 length, const QByteArray &frameData);
void handleGOAWAY(char flags, quint32, const QByteArray &frameData);
void handleHEADERS(char flags, quint32, const QByteArray &frameData);
void handleWINDOW_UPDATE(char, quint32, const QByteArray &frameData);
qint32 generateNextStreamID();
void parseHttpHeaders(char flags, const QByteArray &frameData);
void replyFinished(QHttpNetworkReply *httpReply, qint32 streamID);
void replyFinishedWithError(QHttpNetworkReply *httpReply, qint32 streamID,
QNetworkReply::NetworkError errorCode, const char *errorMessage);
qint32 m_nextStreamID;
QHash<quint32, HttpMessagePair> m_inFlightStreams;
qint32 m_maxConcurrentStreams;
quint32 m_initialWindowSize;
QByteDataBuffer m_spdyBuffer;
bool m_waitingForCompleteStream;
z_stream m_deflateStream;
z_stream m_inflateStream;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QSpdyProtocolHandler::DataFrameFlags)
Q_DECLARE_OPERATORS_FOR_FLAGS(QSpdyProtocolHandler::ControlFrameFlags)
Q_DECLARE_OPERATORS_FOR_FLAGS(QSpdyProtocolHandler::SETTINGS_Flags)
Q_DECLARE_OPERATORS_FOR_FLAGS(QSpdyProtocolHandler::SETTINGS_ID_Flags)
QT_END_NAMESPACE
#endif // !defined(QT_NO_HTTP) && !defined(QT_NO_SSL)
#endif // QSPDYPROTOCOLHANDLER_H
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