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| ** |
| ** Copyright (C) 2014 BlackBerry Limited. All rights reserved. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtNetwork module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #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 <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(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 |