629d6eda5c
Replace Nokia contact email address with Qt Project website. Change-Id: I431bbbf76d7c27d8b502f87947675c116994c415 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
250 lines
8.1 KiB
C++
250 lines
8.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtNetwork module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QHTTPNETWORKCONNECTION_H
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#define QHTTPNETWORKCONNECTION_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of the Network Access API. This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtNetwork/qnetworkrequest.h>
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#include <QtNetwork/qnetworkreply.h>
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#include <QtNetwork/qabstractsocket.h>
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#include <QtNetwork/qnetworksession.h>
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#include <private/qobject_p.h>
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#include <qauthenticator.h>
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#include <qnetworkproxy.h>
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#include <qbuffer.h>
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#include <qtimer.h>
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#include <private/qhttpnetworkheader_p.h>
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#include <private/qhttpnetworkrequest_p.h>
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#include <private/qhttpnetworkreply_p.h>
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#include <private/qhttpnetworkconnectionchannel_p.h>
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#ifndef QT_NO_HTTP
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#ifndef QT_NO_OPENSSL
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# include <QtNetwork/qsslsocket.h>
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# include <QtNetwork/qsslerror.h>
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#else
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# include <QtNetwork/qtcpsocket.h>
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#endif
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QT_BEGIN_NAMESPACE
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class QHttpNetworkRequest;
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class QHttpNetworkReply;
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class QByteArray;
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class QHostInfo;
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class QHttpNetworkConnectionPrivate;
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class Q_AUTOTEST_EXPORT QHttpNetworkConnection : public QObject
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{
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Q_OBJECT
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public:
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#ifndef QT_NO_BEARERMANAGEMENT
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QHttpNetworkConnection(const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0, QSharedPointer<QNetworkSession> networkSession = QSharedPointer<QNetworkSession>());
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QHttpNetworkConnection(quint16 channelCount, const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0, QSharedPointer<QNetworkSession> networkSession = QSharedPointer<QNetworkSession>());
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#else
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QHttpNetworkConnection(const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0);
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QHttpNetworkConnection(quint16 channelCount, const QString &hostName, quint16 port = 80, bool encrypt = false, QObject *parent = 0);
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#endif
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~QHttpNetworkConnection();
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//The hostname to which this is connected to.
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QString hostName() const;
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//The HTTP port in use.
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quint16 port() const;
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//add a new HTTP request through this connection
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QHttpNetworkReply* sendRequest(const QHttpNetworkRequest &request);
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#ifndef QT_NO_NETWORKPROXY
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//set the proxy for this connection
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void setCacheProxy(const QNetworkProxy &networkProxy);
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QNetworkProxy cacheProxy() const;
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void setTransparentProxy(const QNetworkProxy &networkProxy);
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QNetworkProxy transparentProxy() const;
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#endif
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bool isSsl() const;
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QHttpNetworkConnectionChannel *channels() const;
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#ifndef QT_NO_OPENSSL
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void setSslConfiguration(const QSslConfiguration &config);
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void ignoreSslErrors(int channel = -1);
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void ignoreSslErrors(const QList<QSslError> &errors, int channel = -1);
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#endif
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private:
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Q_DECLARE_PRIVATE(QHttpNetworkConnection)
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Q_DISABLE_COPY(QHttpNetworkConnection)
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friend class QHttpNetworkReply;
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friend class QHttpNetworkReplyPrivate;
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friend class QHttpNetworkConnectionChannel;
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Q_PRIVATE_SLOT(d_func(), void _q_startNextRequest())
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Q_PRIVATE_SLOT(d_func(), void _q_hostLookupFinished(QHostInfo))
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Q_PRIVATE_SLOT(d_func(), void _q_connectDelayedChannel())
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};
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// private classes
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typedef QPair<QHttpNetworkRequest, QHttpNetworkReply*> HttpMessagePair;
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class QHttpNetworkConnectionPrivate : public QObjectPrivate
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{
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Q_DECLARE_PUBLIC(QHttpNetworkConnection)
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public:
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static const int defaultChannelCount;
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static const int defaultPipelineLength;
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static const int defaultRePipelineLength;
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enum ConnectionState {
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RunningState = 0,
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PausedState = 1
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};
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enum NetworkLayerPreferenceState {
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Unknown,
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InProgress,
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IPv4,
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IPv6
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};
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QHttpNetworkConnectionPrivate(const QString &hostName, quint16 port, bool encrypt);
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QHttpNetworkConnectionPrivate(quint16 channelCount, const QString &hostName, quint16 port, bool encrypt);
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~QHttpNetworkConnectionPrivate();
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void init();
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void pauseConnection();
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void resumeConnection();
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ConnectionState state;
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NetworkLayerPreferenceState networkLayerState;
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enum { ChunkSize = 4096 };
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int indexOf(QAbstractSocket *socket) const;
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QHttpNetworkReply *queueRequest(const QHttpNetworkRequest &request);
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void requeueRequest(const HttpMessagePair &pair); // e.g. after pipeline broke
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bool dequeueRequest(QAbstractSocket *socket);
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void prepareRequest(HttpMessagePair &request);
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QHttpNetworkRequest predictNextRequest();
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void fillPipeline(QAbstractSocket *socket);
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bool fillPipeline(QList<HttpMessagePair> &queue, QHttpNetworkConnectionChannel &channel);
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// read more HTTP body after the next event loop spin
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void readMoreLater(QHttpNetworkReply *reply);
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void copyCredentials(int fromChannel, QAuthenticator *auth, bool isProxy);
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void startHostInfoLookup();
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void startNetworkLayerStateLookup();
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// private slots
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void _q_startNextRequest(); // send the next request from the queue
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void _q_hostLookupFinished(QHostInfo info);
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void _q_connectDelayedChannel();
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void createAuthorization(QAbstractSocket *socket, QHttpNetworkRequest &request);
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QString errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket *socket,
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const QString &extraDetail = QString());
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void removeReply(QHttpNetworkReply *reply);
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QString hostName;
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quint16 port;
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bool encrypt;
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bool delayIpv4;
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const int channelCount;
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QTimer delayedConnectionTimer;
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QHttpNetworkConnectionChannel *channels; // parallel connections to the server
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bool shouldEmitChannelError(QAbstractSocket *socket);
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qint64 uncompressedBytesAvailable(const QHttpNetworkReply &reply) const;
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qint64 uncompressedBytesAvailableNextBlock(const QHttpNetworkReply &reply) const;
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void emitReplyError(QAbstractSocket *socket, QHttpNetworkReply *reply, QNetworkReply::NetworkError errorCode);
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bool handleAuthenticateChallenge(QAbstractSocket *socket, QHttpNetworkReply *reply, bool isProxy, bool &resend);
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#ifndef QT_NO_NETWORKPROXY
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QNetworkProxy networkProxy;
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void emitProxyAuthenticationRequired(const QHttpNetworkConnectionChannel *chan, const QNetworkProxy &proxy, QAuthenticator* auth);
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#endif
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//The request queues
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QList<HttpMessagePair> highPriorityQueue;
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QList<HttpMessagePair> lowPriorityQueue;
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#ifndef QT_NO_BEARERMANAGEMENT
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QSharedPointer<QNetworkSession> networkSession;
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#endif
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friend class QHttpNetworkConnectionChannel;
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};
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QT_END_NAMESPACE
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#endif // QT_NO_HTTP
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#endif
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