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/**
* @file websocket.h
* @brief Defines the WebSocket class.
*
* \note Currently, only V13 (RFC6455) is supported.
* \note Both text and binary websockets are supported.
* \note The secure version (wss) is currently not implemented.
* @author Kurt Pattyn (pattyn.kurt@gmail.com)
*/
#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 <QAbstractSocket>
#include <QHostAddress>
#ifndef QT_NO_NETWORKPROXY
#include <QNetworkProxy>
#endif
#include <QTime>
#include "qwebsocketsglobal.h"
#include "qwebsocketprotocol.h"
#include "dataprocessor_p.h"
QT_BEGIN_NAMESPACE
class HandshakeRequest;
class HandshakeResponse;
class QTcpSocket;
class QWebSocket;
class QWebSocketPrivate:public QObject
{
Q_OBJECT
public:
explicit QWebSocketPrivate(QString origin,
QWebSocketProtocol::Version version,
QWebSocket * const pWebSocket,
QObject *parent = 0);
virtual ~QWebSocketPrivate();
void abort();
QAbstractSocket::SocketError error() const;
QString errorString() const;
bool flush();
bool isValid();
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 = 30000);
bool waitForDisconnected(int msecs = 30000);
QWebSocketProtocol::Version version();
QString resourceName();
QUrl requestUrl();
QString origin();
QString protocol();
QString extension();
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
public Q_SLOTS:
virtual void close(QWebSocketProtocol::CloseCode closeCode = QWebSocketProtocol::CC_NORMAL, QString reason = QString());
virtual void open(const QUrl &url, bool mask = true);
void ping();
private Q_SLOTS:
void processData();
void processControlFrame(QWebSocketProtocol::OpCode opCode, QByteArray frame);
void processHandshake(QTcpSocket *pSocket);
void processStateChanged(QAbstractSocket::SocketState socketState);
private:
Q_DISABLE_COPY(QWebSocketPrivate)
QWebSocket * const q_ptr;
QWebSocketPrivate(QTcpSocket *pTcpSocket, QWebSocketProtocol::Version version, QWebSocket *pWebSocket, QObject *parent = 0);
void setVersion(QWebSocketProtocol::Version version);
void setResourceName(QString resourceName);
void setRequestUrl(QUrl requestUrl);
void setOrigin(QString origin);
void setProtocol(QString protocol);
void setExtension(QString extension);
void enableMasking(bool enable);
void setSocketState(QAbstractSocket::SocketState state);
void setErrorString(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 HandshakeRequest &request,
const HandshakeResponse &response,
QObject *parent = 0);
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;
DataProcessor m_dataProcessor;
friend class QWebSocketServerPrivate;
friend class QWebSocket;
};
QT_END_NAMESPACE
#endif // QWEBSOCKET_H
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