source: trunk/src/plugins/bearer/qnetworksession_impl.h@ 890

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QNETWORKSESSION_IMPL_H
#define QNETWORKSESSION_IMPL_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 "qbearerengine_impl.h"

#include <QtNetwork/private/qnetworkconfigmanager_p.h>
#include <QtNetwork/private/qnetworksession_p.h>

#include <QtCore/qdatetime.h>

#ifndef QT_NO_BEARERMANAGEMENT

QT_BEGIN_NAMESPACE

class QBearerEngineImpl;

class QNetworkSessionPrivateImpl : public QNetworkSessionPrivate
{
    Q_OBJECT
public:
    QNetworkSessionPrivateImpl()
    :   startTime(0), sessionTimeout(-1)
    {
    }

    ~QNetworkSessionPrivateImpl()
    {
    }

    //called by QNetworkSession constructor and ensures
    //that the state is immediately updated (w/o actually opening
    //a session). Also this function should take care of 
    //notification hooks to discover future state changes.
    void syncStateWithInterface();

#ifndef QT_NO_NETWORKINTERFACE
    QNetworkInterface currentInterface() const;
#endif
    QVariant sessionProperty(const QString& key) const;
    void setSessionProperty(const QString& key, const QVariant& value);

    void open();
    void close();
    void stop();
    void migrate();
    void accept();
    void ignore();
    void reject();

    QString errorString() const; //must return translated string
    QNetworkSession::SessionError error() const;

    quint64 bytesWritten() const;
    quint64 bytesReceived() const;
    quint64 activeTime() const;

private:
    void updateStateFromServiceNetwork();
    void updateStateFromActiveConfig();

private Q_SLOTS:
    void networkConfigurationsChanged();
    void configurationChanged(QNetworkConfigurationPrivatePointer config);
    void forcedSessionClose(const QNetworkConfiguration &config);
    void connectionError(const QString &id, QBearerEngineImpl::ConnectionError error);
    void decrementTimeout();

private:
    QBearerEngineImpl *engine;

    quint64 startTime;

    QNetworkSession::SessionError lastError;

    int sessionTimeout;

    bool opened;
};

QT_END_NAMESPACE

#endif // QT_NO_BEARERMANAGEMENT

#endif //QNETWORKSESSION_IMPL_H