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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 QNETWORKREPLYIMPL_P_H
#define QNETWORKREPLYIMPL_P_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 "qnetworkreply.h"
#include "qnetworkreply_p.h"
#include "qnetworkaccessmanager.h"
#include "qnetworkproxy.h"
#include "QtCore/qmap.h"
#include "QtCore/qqueue.h"
#include "QtCore/qbuffer.h"
#include "private/qringbuffer_p.h"
#include "private/qbytedata_p.h"
#include <QSharedPointer>
#include <QtNetwork/QNetworkSession>
QT_BEGIN_NAMESPACE
class QAbstractNetworkCache;
class QNetworkAccessBackend;
class QNetworkReplyImplPrivate;
class QNetworkReplyImpl: public QNetworkReply
{
Q_OBJECT
public:
QNetworkReplyImpl(QObject *parent = nullptr);
~QNetworkReplyImpl();
virtual void abort() override;
// reimplemented from QNetworkReply / QIODevice
virtual void close() override;
virtual qint64 bytesAvailable() const override;
virtual void setReadBufferSize(qint64 size) override;
virtual qint64 readData(char *data, qint64 maxlen) override;
virtual bool event(QEvent *) override;
Q_DECLARE_PRIVATE(QNetworkReplyImpl)
Q_PRIVATE_SLOT(d_func(), void _q_startOperation())
Q_PRIVATE_SLOT(d_func(), void _q_copyReadyRead())
Q_PRIVATE_SLOT(d_func(), void _q_copyReadChannelFinished())
Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingData())
Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingDataFinished())
#ifndef QT_NO_BEARERMANAGEMENT
Q_PRIVATE_SLOT(d_func(), void _q_networkSessionConnected())
Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed())
Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State))
Q_PRIVATE_SLOT(d_func(), void _q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies))
#endif
#ifndef QT_NO_SSL
protected:
void sslConfigurationImplementation(QSslConfiguration &configuration) const override;
void setSslConfigurationImplementation(const QSslConfiguration &configuration) override;
virtual void ignoreSslErrors() override;
virtual void ignoreSslErrorsImplementation(const QList<QSslError> &errors) override;
#endif
};
class QNetworkReplyImplPrivate: public QNetworkReplyPrivate
{
public:
enum InternalNotifications {
NotifyDownstreamReadyWrite,
NotifyCloseDownstreamChannel,
NotifyCopyFinished
};
QNetworkReplyImplPrivate();
void _q_startOperation();
void _q_copyReadyRead();
void _q_copyReadChannelFinished();
void _q_bufferOutgoingData();
void _q_bufferOutgoingDataFinished();
#ifndef QT_NO_BEARERMANAGEMENT
void _q_networkSessionConnected();
void _q_networkSessionFailed();
void _q_networkSessionStateChanged(QNetworkSession::State);
void _q_networkSessionUsagePoliciesChanged(QNetworkSession::UsagePolicies);
#endif
void setup(QNetworkAccessManager::Operation op, const QNetworkRequest &request,
QIODevice *outgoingData);
void pauseNotificationHandling();
void resumeNotificationHandling();
void backendNotify(InternalNotifications notification);
void handleNotifications();
void createCache();
void completeCacheSave();
// callbacks from the backend (through the manager):
void setCachingEnabled(bool enable);
bool isCachingEnabled() const;
void consume(qint64 count);
void emitUploadProgress(qint64 bytesSent, qint64 bytesTotal);
qint64 nextDownstreamBlockSize() const;
void initCacheSaveDevice();
void appendDownstreamDataSignalEmissions();
void appendDownstreamData(QByteDataBuffer &data);
void appendDownstreamData(QIODevice *data);
void appendDownstreamData(const QByteArray &data);
void setDownloadBuffer(QSharedPointer<char> sp, qint64 size);
char* getDownloadBuffer(qint64 size);
void appendDownstreamDataDownloadBuffer(qint64, qint64);
void finished();
void error(QNetworkReply::NetworkError code, const QString &errorString);
void metaDataChanged();
void redirectionRequested(const QUrl &target);
void encrypted();
void sslErrors(const QList<QSslError> &errors);
QNetworkAccessBackend *backend;
QIODevice *outgoingData;
QSharedPointer<QRingBuffer> outgoingDataBuffer;
QIODevice *copyDevice;
QAbstractNetworkCache *networkCache() const;
bool migrateBackend();
bool cacheEnabled;
QIODevice *cacheSaveDevice;
std::vector<InternalNotifications> pendingNotifications;
bool notificationHandlingPaused;
QUrl urlForLastAuthentication;
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy lastProxyAuthentication;
QList<QNetworkProxy> proxyList;
#endif
qint64 bytesDownloaded;
qint64 lastBytesDownloaded;
qint64 bytesUploaded;
qint64 preMigrationDownloaded;
QString httpReasonPhrase;
int httpStatusCode;
State state;
// Only used when the "zero copy" style is used.
// Please note that the whole "zero copy" download buffer API is private right now. Do not use it.
qint64 downloadBufferReadPosition;
qint64 downloadBufferCurrentSize;
qint64 downloadBufferMaximumSize;
QSharedPointer<char> downloadBufferPointer;
char* downloadBuffer;
Q_DECLARE_PUBLIC(QNetworkReplyImpl)
};
Q_DECLARE_TYPEINFO(QNetworkReplyImplPrivate::InternalNotifications, Q_PRIMITIVE_TYPE);
class QDisabledNetworkReply : public QNetworkReply
{
Q_OBJECT
public:
QDisabledNetworkReply(QObject *parent, const QNetworkRequest &req,
QNetworkAccessManager::Operation op);
~QDisabledNetworkReply();
void abort() override { }
protected:
qint64 readData(char *, qint64) override { return -1; }
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QSharedPointer<char>)
#endif
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