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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 "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 <QVarLengthArray>
QT_BEGIN_NAMESPACE
class QAbstractNetworkCache;
class QNetworkAccessBackend;
class QNetworkReplyImplPrivate;
class QNetworkReplyImpl: public QNetworkReply
{
Q_OBJECT
public:
QNetworkReplyImpl(QObject *parent = 0);
~QNetworkReplyImpl();
virtual void abort();
// reimplemented from QNetworkReply / QIODevice
virtual void close();
virtual qint64 bytesAvailable() const;
virtual void setReadBufferSize(qint64 size);
virtual bool canReadLine () const;
virtual qint64 readData(char *data, qint64 maxlen);
virtual bool event(QEvent *);
#ifndef QT_NO_OPENSSL
Q_INVOKABLE QSslConfiguration sslConfigurationImplementation() const;
Q_INVOKABLE void setSslConfigurationImplementation(const QSslConfiguration &configuration);
virtual void ignoreSslErrors();
Q_INVOKABLE virtual void ignoreSslErrorsImplementation(const QList<QSslError> &errors);
#endif
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())
#endif
};
class QNetworkReplyImplPrivate: public QNetworkReplyPrivate
{
public:
enum InternalNotifications {
NotifyDownstreamReadyWrite,
NotifyCloseDownstreamChannel,
NotifyCopyFinished
};
enum State {
Idle, // The reply is idle.
Buffering, // The reply is buffering outgoing data.
Working, // The reply is uploading/downloading data.
Finished, // The reply has finished.
Aborted, // The reply has been aborted.
WaitingForSession, // The reply is waiting for the session to open before connecting.
Reconnecting // The reply will reconnect to once roaming has completed.
};
typedef QQueue<InternalNotifications> NotificationQueue;
QNetworkReplyImplPrivate();
void _q_startOperation();
void _q_sourceReadyRead();
void _q_sourceReadChannelFinished();
void _q_copyReadyRead();
void _q_copyReadChannelFinished();
void _q_bufferOutgoingData();
void _q_bufferOutgoingDataFinished();
#ifndef QT_NO_BEARERMANAGEMENT
void _q_networkSessionConnected();
void _q_networkSessionFailed();
#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);
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 sslErrors(const QList<QSslError> &errors);
QNetworkAccessBackend *backend;
QIODevice *outgoingData;
QRingBuffer *outgoingDataBuffer;
QIODevice *copyDevice;
QAbstractNetworkCache *networkCache() const;
bool migrateBackend();
bool cacheEnabled;
QIODevice *cacheSaveDevice;
NotificationQueue pendingNotifications;
bool notificationHandlingPaused;
QUrl urlForLastAuthentication;
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy lastProxyAuthentication;
QList<QNetworkProxy> proxyList;
#endif
// Used for normal downloading. For "zero copy" the downloadBuffer is used
QByteDataBuffer readBuffer;
qint64 bytesDownloaded;
qint64 lastBytesDownloaded;
qint64 bytesUploaded;
qint64 preMigrationDownloaded;
QString httpReasonPhrase;
int httpStatusCode;
State state;
// only used when the "zero copy" style is used. Else readBuffer is used.
QSharedPointer< QVarLengthArray<char, 0> > downloadBufferArray;
char* downloadBuffer;
qint64 downloadBufferPosition;
Q_DECLARE_PUBLIC(QNetworkReplyImpl)
};
#ifndef QT_NO_BEARERMANAGEMENT
class QDisabledNetworkReply : public QNetworkReply
{
Q_OBJECT
public:
QDisabledNetworkReply(QObject *parent, const QNetworkRequest &req,
QNetworkAccessManager::Operation op);
~QDisabledNetworkReply();
void abort() { }
protected:
qint64 readData(char *, qint64) { return -1; }
};
#endif
QT_END_NAMESPACE
#endif
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