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/*
QWebSockets implements the WebSocket protocol as defined in RFC 6455.
Copyright (C) 2013 Kurt Pattyn (pattyn.kurt@gmail.com)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef QWEBSOCKET_P_H
#define QWEBSOCKET_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QUrl>
#include <QHostAddress>
#ifndef QT_NO_NETWORKPROXY
#include <QNetworkProxy>
#endif
#ifndef QT_NO_SSL
#include <QSslConfiguration>
#include <QSslError>
#endif
#include <QTime>
#include "qwebsocketprotocol.h"
#include "qwebsocketdataprocessor_p.h"
QT_BEGIN_NAMESPACE
class QWebSocketHandshakeRequest;
class QWebSocketHandshakeResponse;
class QTcpSocket;
class QWebSocket;
class QWebSocketPrivate : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(QWebSocketPrivate)
Q_DECLARE_PUBLIC(QWebSocket)
public:
explicit QWebSocketPrivate(const QString &origin,
QWebSocketProtocol::Version version,
QWebSocket * const pWebSocket,
QObject *parent = Q_NULLPTR);
virtual ~QWebSocketPrivate();
void abort();
QAbstractSocket::SocketError error() const;
QString errorString() const;
bool flush();
bool isValid() const;
QHostAddress localAddress() const;
quint16 localPort() const;
QAbstractSocket::PauseModes pauseMode() const;
QHostAddress peerAddress() const;
QString peerName() const;
quint16 peerPort() const;
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy proxy() const;
void setProxy(const QNetworkProxy &networkProxy);
#endif
qint64 readBufferSize() const;
void resume();
void setPauseMode(QAbstractSocket::PauseModes pauseMode);
void setReadBufferSize(qint64 size);
void setSocketOption(QAbstractSocket::SocketOption option, const QVariant &value);
QVariant socketOption(QAbstractSocket::SocketOption option);
QAbstractSocket::SocketState state() const;
bool waitForConnected(int msecs);
bool waitForDisconnected(int msecs);
QWebSocketProtocol::Version version() const;
QString resourceName() const;
QUrl requestUrl() const;
QString origin() const;
QString protocol() const;
QString extension() const;
qint64 write(const char *message); //send data as text
qint64 write(const char *message, qint64 maxSize); //send data as text
qint64 write(const QString &message); //send data as text
qint64 write(const QByteArray &data); //send data as binary
#ifndef QT_NO_SSL
void ignoreSslErrors(const QList<QSslError> &errors);
void setSslConfiguration(const QSslConfiguration &sslConfiguration);
QSslConfiguration sslConfiguration() const;
#endif
public Q_SLOTS:
void close(QWebSocketProtocol::CloseCode closeCode, QString reason);
void open(const QUrl &url, bool mask);
void ping(const QByteArray &payload);
#ifndef QT_NO_SSL
void ignoreSslErrors();
#endif
private Q_SLOTS:
void processData();
void processPing(QByteArray data);
void processPong(QByteArray data);
void processClose(QWebSocketProtocol::CloseCode closeCode, QString closeReason);
void processHandshake(QTcpSocket *pSocket);
void processStateChanged(QAbstractSocket::SocketState socketState);
private:
QWebSocket * const q_ptr;
#ifndef QT_NO_SSL
QSslConfiguration m_sslConfiguration;
QList<QSslError> m_ignoredSslErrors;
bool m_ignoreSslErrors;
#endif
QWebSocketPrivate(QTcpSocket *pTcpSocket, QWebSocketProtocol::Version version, QWebSocket *pWebSocket, QObject *parent = Q_NULLPTR);
void setVersion(QWebSocketProtocol::Version version);
void setResourceName(const QString &resourceName);
void setRequestUrl(const QUrl &requestUrl);
void setOrigin(const QString &origin);
void setProtocol(const QString &protocol);
void setExtension(const QString &extension);
void enableMasking(bool enable);
void setSocketState(QAbstractSocket::SocketState state);
void setErrorString(const QString &errorString);
qint64 doWriteData(const QByteArray &data, bool isBinary);
qint64 doWriteFrames(const QByteArray &data, bool isBinary);
void makeConnections(const QTcpSocket *pTcpSocket);
void releaseConnections(const QTcpSocket *pTcpSocket);
QByteArray getFrameHeader(QWebSocketProtocol::OpCode opCode, quint64 payloadLength, quint32 maskingKey, bool lastFrame) const;
QString calculateAcceptKey(const QString &key) const;
QString createHandShakeRequest(QString resourceName,
QString host,
QString origin,
QString extensions,
QString protocols,
QByteArray key);
static QWebSocket *upgradeFrom(QTcpSocket *tcpSocket,
const QWebSocketHandshakeRequest &request,
const QWebSocketHandshakeResponse &response,
QObject *parent = Q_NULLPTR);
quint32 generateMaskingKey() const;
QByteArray generateKey() const;
quint32 generateRandomNumber() const;
qint64 writeFrames(const QList<QByteArray> &frames);
qint64 writeFrame(const QByteArray &frame);
QTcpSocket *m_pSocket;
QString m_errorString;
QWebSocketProtocol::Version m_version;
QUrl m_resource;
QString m_resourceName;
QUrl m_requestUrl;
QString m_origin;
QString m_protocol;
QString m_extension;
QAbstractSocket::SocketState m_socketState;
QByteArray m_key; //identification key used in handshake requests
bool m_mustMask; //a server must not mask the frames it sends
bool m_isClosingHandshakeSent;
bool m_isClosingHandshakeReceived;
QTime m_pingTimer;
QWebSocketDataProcessor m_dataProcessor;
friend class QWebSocketServerPrivate;
};
QT_END_NAMESPACE
#endif // QWEBSOCKET_H
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