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#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