Port session functionality.

6 files changed, 1398 insertions, 21 deletions

diff --git a/src/plugins/bearer/symbian/main.cpp b/src/plugins/bearer/symbian/main.cpp
index 8865f4d..22d654a 100644
--- a/src/plugins/bearer/symbian/main.cpp
+++ b/src/plugins/bearer/symbian/main.cpp
@@ -72,8 +72,6 @@ QStringList QSymbianEnginePlugin::keys() const
 
 QBearerEngine *QSymbianEnginePlugin::create(const QString &key) const
 {
-    qDebug() << Q_FUNC_INFO;
-
     if (key == QLatin1String("symbian"))
         return new SymbianEngine;
     else
diff --git a/src/plugins/bearer/symbian/qnetworksession_impl.cpp b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
new file mode 100644
index 0000000..24948cf
--- /dev/null
+++ b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
@@ -0,0 +1,1125 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnetworksession_impl.h"
+#include "symbianengine.h"
+
+#include <es_enum.h>
+#include <es_sock.h>
+#include <in_sock.h>
+#include <stdapis/sys/socket.h>
+#include <stdapis/net/if.h>
+
+QT_BEGIN_NAMESPACE
+
+QNetworkSessionPrivateImpl::QNetworkSessionPrivateImpl(SymbianEngine *engine)
+    : CActive(CActive::EPriorityStandard), engine(engine), ipConnectionNotifier(0),
+      iError(QNetworkSession::UnknownSessionError),
+      iALREnabled(0)
+{
+    CActiveScheduler::Add(this);
+    
+    // Try to load "Open C" dll dynamically and
+    // try to attach to setdefaultif function dynamically.
+    if (iOpenCLibrary.Load(_L("libc")) == KErrNone) {
+        iDynamicSetdefaultif = (TOpenCSetdefaultifFunction)iOpenCLibrary.Lookup(564);
+    }
+
+    TRAP_IGNORE(iConnectionMonitor.ConnectL());
+}
+
+QNetworkSessionPrivateImpl::~QNetworkSessionPrivateImpl()
+{
+    isOpen = false;
+
+    // Cancel Connection Progress Notifications first.
+    // Note: ConnectionNotifier must be destroyed before Canceling RConnection::Start()
+    //       => deleting ipConnectionNotifier results RConnection::CancelProgressNotification()
+    delete ipConnectionNotifier;
+    ipConnectionNotifier = NULL;
+
+    // Cancel possible RConnection::Start()
+    Cancel();
+    
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (iMobility) {
+        delete iMobility;
+        iMobility = NULL;
+    }
+#endif
+
+    iConnection.Close();
+    iSocketServ.Close();
+    if (iDynamicSetdefaultif) {
+        iDynamicSetdefaultif(0);
+    }
+
+    iConnectionMonitor.CancelNotifications();
+    iConnectionMonitor.Close();
+
+    iOpenCLibrary.Close();
+}
+
+void QNetworkSessionPrivateImpl::syncStateWithInterface()
+{
+    if (!privateConfiguration(publicConfig))
+        return;
+
+    // Start monitoring changes in IAP states
+    TRAP_IGNORE(iConnectionMonitor.NotifyEventL(*this));
+
+    // Check open connections to see if there is already
+    // an open connection to selected IAP or SNAP
+    TUint count;
+    TRequestStatus status;
+    iConnectionMonitor.GetConnectionCount(count, status);
+    User::WaitForRequest(status);
+    if (status.Int() != KErrNone) {
+        return;
+    }
+
+    TUint numSubConnections;
+    TUint connectionId;
+    for (TUint i = 1; i <= count; i++) {
+        TInt ret = iConnectionMonitor.GetConnectionInfo(i, connectionId, numSubConnections);
+        if (ret == KErrNone) {
+            TUint apId;
+            iConnectionMonitor.GetUintAttribute(connectionId, 0, KIAPId, apId, status);
+            User::WaitForRequest(status);
+            if (status.Int() == KErrNone) {
+                TInt connectionStatus;
+                iConnectionMonitor.GetIntAttribute(connectionId, 0, KConnectionStatus, connectionStatus, status);
+                User::WaitForRequest(status);
+                if (connectionStatus == KLinkLayerOpen) {
+                    if (state != QNetworkSession::Closing) {
+                        if (newState(QNetworkSession::Connected, apId)) {
+                            return;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    if (state != QNetworkSession::Connected) {
+        // There were no open connections to used IAP or SNAP
+        if ((privateConfiguration(publicConfig)->state & QNetworkConfiguration::Discovered) ==
+            QNetworkConfiguration::Discovered) {
+            newState(QNetworkSession::Disconnected);
+        } else {
+            newState(QNetworkSession::NotAvailable);
+        }
+    }
+}
+
+QNetworkInterface QNetworkSessionPrivateImpl::interface(TUint iapId) const
+{
+    QString interfaceName;
+
+    TSoInetInterfaceInfo ifinfo;
+    TPckg<TSoInetInterfaceInfo> ifinfopkg(ifinfo);
+    TSoInetIfQuery ifquery;
+    TPckg<TSoInetIfQuery> ifquerypkg(ifquery);
+ 
+    // Open dummy socket for interface queries
+    RSocket socket;
+    TInt retVal = socket.Open(iSocketServ, _L("udp"));
+    if (retVal != KErrNone) {
+        return QNetworkInterface();
+    }
+ 
+    // Start enumerating interfaces
+    socket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
+    while(socket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, ifinfopkg) == KErrNone) {
+        ifquery.iName = ifinfo.iName;
+        TInt err = socket.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, ifquerypkg);
+        if(err == KErrNone && ifquery.iZone[1] == iapId) { // IAP ID is index 1 of iZone
+            if(ifinfo.iAddress.Address() > 0) {
+                interfaceName = QString::fromUtf16(ifinfo.iName.Ptr(),ifinfo.iName.Length());
+                break;
+            }
+        }
+    }
+ 
+    socket.Close();
+ 
+    if (interfaceName.isEmpty()) {
+        return QNetworkInterface();
+    }
+ 
+    return QNetworkInterface::interfaceFromName(interfaceName);
+}
+
+QNetworkInterface QNetworkSessionPrivateImpl::currentInterface() const
+{
+    if (!publicConfig.isValid() || state != QNetworkSession::Connected) {
+        return QNetworkInterface();
+    }
+    
+    return activeInterface;
+}
+
+QVariant QNetworkSessionPrivateImpl::sessionProperty(const QString& /*key*/) const
+{
+    return QVariant();
+}
+
+void QNetworkSessionPrivateImpl::setSessionProperty(const QString& /*key*/, const QVariant& /*value*/)
+{
+}
+
+QString QNetworkSessionPrivateImpl::errorString() const
+{
+    switch (iError) {
+    case QNetworkSession::UnknownSessionError:
+        return tr("Unknown session error.");
+    case QNetworkSession::SessionAbortedError:
+        return tr("The session was aborted by the user or system.");
+    case QNetworkSession::OperationNotSupportedError:
+        return tr("The requested operation is not supported by the system.");
+    case QNetworkSession::InvalidConfigurationError:
+        return tr("The specified configuration cannot be used.");
+    case QNetworkSession::RoamingError:
+        return tr("Roaming was aborted or is not possible.");
+    }
+ 
+    return QString();
+}
+
+QNetworkSession::SessionError QNetworkSessionPrivateImpl::error() const
+{
+    return iError;
+}
+
+void QNetworkSessionPrivateImpl::open()
+{
+    if (isOpen || !privateConfiguration(publicConfig) || (state == QNetworkSession::Connecting)) {
+        return;
+    }
+
+    // Cancel notifications from RConnectionMonitor
+    // => RConnection::ProgressNotification will be used for IAP/SNAP monitoring
+    iConnectionMonitor.CancelNotifications();
+    
+    TInt error = iSocketServ.Connect();
+    if (error != KErrNone) {
+        // Could not open RSocketServ
+        newState(QNetworkSession::Invalid);
+        iError = QNetworkSession::UnknownSessionError;
+        emit QNetworkSessionPrivate::error(iError);
+        syncStateWithInterface();    
+        return;
+    }
+    
+    error = iConnection.Open(iSocketServ);
+    if (error != KErrNone) {
+        // Could not open RConnection
+        iSocketServ.Close();
+        newState(QNetworkSession::Invalid);
+        iError = QNetworkSession::UnknownSessionError;
+        emit QNetworkSessionPrivate::error(iError);
+        syncStateWithInterface();    
+        return;
+    }
+    
+    // Use RConnection::ProgressNotification for IAP/SNAP monitoring
+    // (<=> ConnectionProgressNotifier uses RConnection::ProgressNotification)
+    if (!ipConnectionNotifier) {
+        ipConnectionNotifier = new ConnectionProgressNotifier(*this,iConnection);
+    }
+    if (ipConnectionNotifier) {
+        ipConnectionNotifier->StartNotifications();
+    }
+    
+    if (publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+        // Search through existing connections.
+        // If there is already connection which matches to given IAP
+        // try to attach to existing connection.
+        TBool connected(EFalse);
+        TConnectionInfoBuf connInfo;
+        TUint count;
+        if (iConnection.EnumerateConnections(count) == KErrNone) {
+            for (TUint i=1; i<=count; i++) {
+                // Note: GetConnectionInfo expects 1-based index.
+                if (iConnection.GetConnectionInfo(i, connInfo) == KErrNone) {
+                    if (connInfo().iIapId == toSymbianConfig(privateConfiguration(publicConfig))->numericId) {
+                        if (iConnection.Attach(connInfo, RConnection::EAttachTypeNormal) == KErrNone) {
+                            activeConfig = publicConfig;
+                            activeInterface = interface(toSymbianConfig(privateConfiguration(activeConfig))->numericId);
+                            connected = ETrue;
+                            startTime = QDateTime::currentDateTime();
+                            if (iDynamicSetdefaultif) {
+                                // Use name of the IAP to set default IAP
+                                QByteArray nameAsByteArray = publicConfig.name().toUtf8();
+                                ifreq ifr;
+                                strcpy(ifr.ifr_name, nameAsByteArray.constData());
+
+                                error = iDynamicSetdefaultif(&ifr);
+                            }
+                            isOpen = true;
+                            // Make sure that state will be Connected
+                            newState(QNetworkSession::Connected);
+                            emit quitPendingWaitsForOpened();
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        if (!connected) {
+            TCommDbConnPref pref;
+            pref.SetDialogPreference(ECommDbDialogPrefDoNotPrompt);
+            pref.SetIapId(toSymbianConfig(privateConfiguration(publicConfig))->numericId);
+            iConnection.Start(pref, iStatus);
+            if (!IsActive()) {
+                SetActive();
+            }
+            newState(QNetworkSession::Connecting);
+        }
+    } else if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+        TConnSnapPref snapPref(toSymbianConfig(privateConfiguration(publicConfig))->numericId);
+        iConnection.Start(snapPref, iStatus);
+        if (!IsActive()) {
+            SetActive();
+        }
+        newState(QNetworkSession::Connecting);
+    } else if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+        iKnownConfigsBeforeConnectionStart = engine->accessPointConfigurations.keys();
+        iConnection.Start(iStatus);
+        if (!IsActive()) {
+            SetActive();
+        }
+        newState(QNetworkSession::Connecting);
+    }
+ 
+    if (error != KErrNone) {
+        isOpen = false;
+        iError = QNetworkSession::UnknownSessionError;
+        emit QNetworkSessionPrivate::error(iError);
+        if (ipConnectionNotifier) {
+            ipConnectionNotifier->StopNotifications();
+        }
+        syncStateWithInterface();    
+    }
+}
+
+TUint QNetworkSessionPrivateImpl::iapClientCount(TUint aIAPId) const
+{
+    TRequestStatus status;
+    TUint connectionCount;
+    iConnectionMonitor.GetConnectionCount(connectionCount, status);
+    User::WaitForRequest(status);
+    if (status.Int() == KErrNone) {
+        for (TUint i = 1; i <= connectionCount; i++) {
+            TUint connectionId;
+            TUint subConnectionCount;
+            iConnectionMonitor.GetConnectionInfo(i, connectionId, subConnectionCount);
+            TUint apId;
+            iConnectionMonitor.GetUintAttribute(connectionId, subConnectionCount, KIAPId, apId, status);
+            User::WaitForRequest(status);
+            if (apId == aIAPId) {
+                TConnMonClientEnumBuf buf;
+                iConnectionMonitor.GetPckgAttribute(connectionId, 0, KClientInfo, buf, status);
+                User::WaitForRequest(status);
+                if (status.Int() == KErrNone) {
+                    return buf().iCount;
+                }
+            }
+        }
+    }
+    return 0;
+}
+
+void QNetworkSessionPrivateImpl::close(bool allowSignals)
+{
+    if (!isOpen) {
+        return;
+    }
+
+    TUint activeIap = toSymbianConfig(privateConfiguration(activeConfig))->numericId;
+    isOpen = false;
+    activeConfig = QNetworkConfiguration();
+    serviceConfig = QNetworkConfiguration();
+    
+    Cancel();
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (iMobility) {
+        delete iMobility;
+        iMobility = NULL;
+    }
+#endif
+
+    if (ipConnectionNotifier) {
+        ipConnectionNotifier->StopNotifications();
+    }
+    
+    iConnection.Close();
+    iSocketServ.Close();
+    if (iDynamicSetdefaultif) {
+        iDynamicSetdefaultif(0);
+    }
+
+#ifdef Q_CC_NOKIAX86
+    if ((allowSignals && iapClientCount(activeIap) <= 0) ||
+#else
+    if ((allowSignals && iapClientCount(activeIap) <= 1) ||
+#endif
+        (publicConfig.type() == QNetworkConfiguration::UserChoice)) {
+        newState(QNetworkSession::Closing);
+    }
+    
+    syncStateWithInterface();
+    if (allowSignals) {
+        if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+            newState(QNetworkSession::Disconnected);
+        }
+        emit closed();
+    }
+}
+
+void QNetworkSessionPrivateImpl::stop()
+{
+    if (!isOpen) {
+        return;
+    }
+    isOpen = false;
+    newState(QNetworkSession::Closing);
+    iConnection.Stop(RConnection::EStopAuthoritative);
+    isOpen = true;
+    close(false);
+    emit closed();
+}
+
+void QNetworkSessionPrivateImpl::migrate()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    iMobility->MigrateToPreferredCarrier();
+#endif
+}
+
+void QNetworkSessionPrivateImpl::ignore()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    iMobility->IgnorePreferredCarrier();
+    if (!iALRUpgradingConnection) {
+        newState(QNetworkSession::Disconnected);
+    } else {
+        newState(QNetworkSession::Connected,iOldRoamingIap);
+    }
+#endif
+}
+
+void QNetworkSessionPrivateImpl::accept()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    iMobility->NewCarrierAccepted();
+    if (iDynamicSetdefaultif) {
+        // Use name of the IAP to set default IAP
+        QByteArray nameAsByteArray = activeConfig.name().toUtf8();
+        ifreq ifr;
+        strcpy(ifr.ifr_name, nameAsByteArray.constData());
+
+        iDynamicSetdefaultif(&ifr);
+    }
+    newState(QNetworkSession::Connected, iNewRoamingIap);
+#endif
+}
+
+void QNetworkSessionPrivateImpl::reject()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    iMobility->NewCarrierRejected();
+    if (!iALRUpgradingConnection) {
+        newState(QNetworkSession::Disconnected);
+    } else {
+        newState(QNetworkSession::Connected, iOldRoamingIap);
+    }
+#endif
+}
+
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+void QNetworkSessionPrivateImpl::PreferredCarrierAvailable(TAccessPointInfo aOldAPInfo,
+                                                       TAccessPointInfo aNewAPInfo,
+                                                       TBool aIsUpgrade,
+                                                       TBool aIsSeamless)
+{
+    iOldRoamingIap = aOldAPInfo.AccessPoint();
+    iNewRoamingIap = aNewAPInfo.AccessPoint();
+    newState(QNetworkSession::Roaming);
+    if (iALREnabled > 0) {
+        iALRUpgradingConnection = aIsUpgrade;
+        QList<QNetworkConfiguration> configs = publicConfig.children();
+        for (int i=0; i < configs.count(); i++) {
+            if (toSymbianConfig(privateConfiguration(configs[i]))->numericId == aNewAPInfo.AccessPoint()) {
+                emit preferredConfigurationChanged(configs[i], aIsSeamless);
+            }
+        }
+    } else {
+        migrate();
+    }
+}
+
+void QNetworkSessionPrivateImpl::NewCarrierActive(TAccessPointInfo /*aNewAPInfo*/, TBool /*aIsSeamless*/)
+{
+    if (iALREnabled > 0) {
+        emit newConfigurationActivated();
+    } else {
+        accept();
+    }
+}
+
+void QNetworkSessionPrivateImpl::Error(TInt /*aError*/)
+{
+    if (isOpen) {
+        isOpen = false;
+        activeConfig = QNetworkConfiguration();
+        serviceConfig = QNetworkConfiguration();
+        iError = QNetworkSession::RoamingError;
+        emit QNetworkSessionPrivate::error(iError);
+        Cancel();
+        if (ipConnectionNotifier) {
+            ipConnectionNotifier->StopNotifications();
+        }
+        syncStateWithInterface();
+        // In some cases IAP is still in Connected state when
+        // syncStateWithInterface(); is called
+        // => Following call makes sure that Session state
+        //    changes immediately to Disconnected.
+        newState(QNetworkSession::Disconnected);
+        emit closed();
+    }
+}
+#endif
+
+void QNetworkSessionPrivateImpl::setALREnabled(bool enabled)
+{
+    if (enabled) {
+        iALREnabled++;
+    } else {
+        iALREnabled--;
+    }
+}
+
+QNetworkConfiguration QNetworkSessionPrivateImpl::bestConfigFromSNAP(const QNetworkConfiguration& snapConfig) const
+{
+    QNetworkConfiguration config;
+    QList<QNetworkConfiguration> subConfigurations = snapConfig.children();
+    for (int i = 0; i < subConfigurations.count(); i++ ) {
+        if (subConfigurations[i].state() == QNetworkConfiguration::Active) {
+            config = subConfigurations[i];
+            break;
+        } else if (!config.isValid() && subConfigurations[i].state() == QNetworkConfiguration::Discovered) {
+            config = subConfigurations[i];
+        }
+    }
+    if (!config.isValid() && subConfigurations.count() > 0) {
+        config = subConfigurations[0];
+    }
+    return config;
+}
+
+quint64 QNetworkSessionPrivateImpl::bytesWritten() const
+{
+    return transferredData(KUplinkData);
+}
+
+quint64 QNetworkSessionPrivateImpl::bytesReceived() const
+{
+    return transferredData(KDownlinkData);
+}
+
+quint64 QNetworkSessionPrivateImpl::transferredData(TUint dataType) const
+{
+    if (!publicConfig.isValid()) {
+        return 0;
+    }
+    
+    QNetworkConfiguration config;
+    if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+        if (serviceConfig.isValid()) {
+            config = serviceConfig;
+        } else {
+            if (activeConfig.isValid()) {
+                config = activeConfig;
+            }
+        }
+    } else {
+        config = publicConfig;
+    }
+
+    if (!config.isValid()) {
+        return 0;
+    }
+    
+    TUint count;
+    TRequestStatus status;
+    iConnectionMonitor.GetConnectionCount(count, status);
+    User::WaitForRequest(status);
+    if (status.Int() != KErrNone) {
+        return 0;
+    }
+    
+    TUint transferredData = 0;
+    TUint numSubConnections;
+    TUint connectionId;
+    bool configFound;
+    for (TUint i = 1; i <= count; i++) {
+        TInt ret = iConnectionMonitor.GetConnectionInfo(i, connectionId, numSubConnections);
+        if (ret == KErrNone) {
+            TUint apId;
+            iConnectionMonitor.GetUintAttribute(connectionId, 0, KIAPId, apId, status);
+            User::WaitForRequest(status);
+            if (status.Int() == KErrNone) {
+                configFound = false;
+                if (config.type() == QNetworkConfiguration::ServiceNetwork) {
+                    QList<QNetworkConfiguration> configs = config.children();
+                    for (int i=0; i < configs.count(); i++) {
+                        if (toSymbianConfig(privateConfiguration(configs[i]))->numericId == apId) {
+                            configFound = true;
+                            break;
+                        }
+                    }
+                } else if (toSymbianConfig(privateConfiguration(config))->numericId == apId) {
+                    configFound = true;
+                }
+                if (configFound) {
+                    TUint tData;
+                    iConnectionMonitor.GetUintAttribute(connectionId, 0, dataType, tData, status );
+                    User::WaitForRequest(status);
+                    if (status.Int() == KErrNone) {
+                    transferredData += tData;
+                    }
+                }
+            }
+        }
+    }
+    
+    return transferredData;
+}
+
+quint64 QNetworkSessionPrivateImpl::activeTime() const
+{
+    if (!isOpen || startTime.isNull()) {
+        return 0;
+    }
+    return startTime.secsTo(QDateTime::currentDateTime());
+}
+
+QNetworkConfiguration QNetworkSessionPrivateImpl::activeConfiguration(TUint32 iapId) const
+{
+    if (iapId == 0) {
+        _LIT(KSetting, "IAP\\Id");
+        iConnection.GetIntSetting(KSetting, iapId);
+    }
+ 
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+        // Try to search IAP from the used SNAP using IAP Id
+        QList<QNetworkConfiguration> children = publicConfig.children();
+        for (int i=0; i < children.count(); i++) {
+            if (toSymbianConfig(privateConfiguration(children[i]))->numericId == iapId) {
+                return children[i];
+            }
+        }
+
+        // Given IAP Id was not found from the used SNAP
+        // => Try to search matching IAP using mappingName
+        //    mappingName contains:
+        //      1. "Access point name" for "Packet data" Bearer
+        //      2. "WLAN network name" (= SSID) for "Wireless LAN" Bearer
+        //      3. "Dial-up number" for "Data call Bearer" or "High Speed (GSM)" Bearer
+        //    <=> Note: It's possible that in this case reported IAP is
+        //              clone of the one of the IAPs of the used SNAP
+        //              => If mappingName matches, clone has been found
+        QNetworkConfiguration pt = QNetworkConfigurationManager().configurationFromIdentifier(QString::number(qHash(iapId)));
+        if (privateConfiguration(pt)) {
+            for (int i=0; i < children.count(); i++) {
+                if (toSymbianConfig(privateConfiguration(children[i]))->mappingName == toSymbianConfig(privateConfiguration(pt))->mappingName) {
+                    return children[i];
+                }
+            }
+        } else {
+            // Given IAP Id was not found from known IAPs array
+            return QNetworkConfiguration();
+        }
+
+        // Matching IAP was not found from used SNAP
+        // => IAP from another SNAP is returned
+        //    (Note: Returned IAP matches to given IAP Id)
+        return pt;
+    }
+#endif
+    
+    if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+        if (engine) {
+            QNetworkConfiguration pt = QNetworkConfigurationManager().configurationFromIdentifier(QString::number(qHash(iapId)));
+            // Try to found User Selected IAP from known IAPs (accessPointConfigurations)
+            if (pt.isValid()) {
+                return pt;
+            } else {
+                // Check if new (WLAN) IAP was created in IAP/SNAP dialog
+                // 1. Sync internal configurations array to commsdb first
+                engine->updateConfigurations();
+                // 2. Check if new configuration was created during connection creation
+                QList<QString> knownConfigs = engine->accessPointConfigurations.keys();
+                if (knownConfigs.count() > iKnownConfigsBeforeConnectionStart.count()) {
+                    // Configuration count increased => new configuration was created
+                    // => Search new, created configuration
+                    QString newIapId;
+                    for (int i=0; i < iKnownConfigsBeforeConnectionStart.count(); i++) {
+                        if (knownConfigs[i] != iKnownConfigsBeforeConnectionStart[i]) {
+                            newIapId = knownConfigs[i];
+                            break;
+                        }
+                    }
+                    if (newIapId.isEmpty()) {
+                        newIapId = knownConfigs[knownConfigs.count()-1];
+                    }
+                    pt = QNetworkConfigurationManager().configurationFromIdentifier(newIapId);
+                    if (pt.isValid())
+                        return pt;
+                }
+            }
+        }
+        return QNetworkConfiguration();
+    }
+
+    return publicConfig;
+}
+
+void QNetworkSessionPrivateImpl::RunL()
+{
+    TInt statusCode = iStatus.Int();
+
+    switch (statusCode) {
+        case KErrNone: // Connection created succesfully
+            {
+            TInt error = KErrNone;
+            QNetworkConfiguration newActiveConfig = activeConfiguration();
+            if (!newActiveConfig.isValid()) {
+                error = KErrGeneral;
+            } else if (iDynamicSetdefaultif) {
+                // Use name of the IAP to set default IAP
+                QByteArray nameAsByteArray = newActiveConfig.name().toUtf8();
+                ifreq ifr;
+                strcpy(ifr.ifr_name, nameAsByteArray.constData());
+
+                error = iDynamicSetdefaultif(&ifr);
+            }
+            
+            if (error != KErrNone) {
+                isOpen = false;
+                iError = QNetworkSession::UnknownSessionError;
+                emit QNetworkSessionPrivate::error(iError);
+                Cancel();
+                if (ipConnectionNotifier) {
+                    ipConnectionNotifier->StopNotifications();
+                }
+                syncStateWithInterface();
+                return;
+            }
+ 
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+            if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+                // Activate ALR monitoring
+                iMobility = CActiveCommsMobilityApiExt::NewL(iConnection, *this);
+            }
+#endif
+            isOpen = true;
+            activeConfig = newActiveConfig;
+            activeInterface = interface(toSymbianConfig(privateConfiguration(activeConfig))->numericId);
+            if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+                serviceConfig = QNetworkConfigurationManager().configurationFromIdentifier(toSymbianConfig(privateConfiguration(activeConfig))->serviceNetworkPtr->id);
+            }
+            
+            startTime = QDateTime::currentDateTime();
+
+            newState(QNetworkSession::Connected);
+            emit quitPendingWaitsForOpened();
+            }
+            break;
+        case KErrNotFound: // Connection failed
+            isOpen = false;
+            activeConfig = QNetworkConfiguration();
+            serviceConfig = QNetworkConfiguration();
+            iError = QNetworkSession::InvalidConfigurationError;
+            emit QNetworkSessionPrivate::error(iError);
+            Cancel();
+            if (ipConnectionNotifier) {
+                ipConnectionNotifier->StopNotifications();
+            }
+            syncStateWithInterface();
+            break;
+        case KErrCancel: // Connection attempt cancelled
+        case KErrAlreadyExists: // Connection already exists
+        default:
+            isOpen = false;
+            activeConfig = QNetworkConfiguration();
+            serviceConfig = QNetworkConfiguration();
+            iError = QNetworkSession::UnknownSessionError;
+            emit QNetworkSessionPrivate::error(iError);
+            Cancel();
+            if (ipConnectionNotifier) {
+                ipConnectionNotifier->StopNotifications();
+            }
+            syncStateWithInterface();
+            break;
+    }
+}
+
+void QNetworkSessionPrivateImpl::DoCancel()
+{
+    iConnection.Close();
+}
+
+bool QNetworkSessionPrivateImpl::newState(QNetworkSession::State newState, TUint accessPointId)
+{
+    // Make sure that activeConfig is always updated when SNAP is signaled to be
+    // connected.
+    if (isOpen && publicConfig.type() == QNetworkConfiguration::ServiceNetwork &&
+        newState == QNetworkSession::Connected) {
+        activeConfig = activeConfiguration(accessPointId);
+        activeInterface = interface(toSymbianConfig(privateConfiguration(activeConfig))->numericId);
+    }
+
+    // Make sure that same state is not signaled twice in a row.
+    if (state == newState) {
+        return true;
+    }
+
+    // Make sure that Connecting state does not overwrite Roaming state
+    if (state == QNetworkSession::Roaming && newState == QNetworkSession::Connecting) {
+        return false;
+    }
+
+    bool emitSessionClosed = false;
+    if (isOpen && state == QNetworkSession::Connected && newState == QNetworkSession::Disconnected) {
+        // Active & Connected state should change directly to Disconnected state
+        // only when something forces connection to close (eg. when another
+        // application or session stops connection or when network drops
+        // unexpectedly).
+        isOpen = false;
+        activeConfig = QNetworkConfiguration();
+        serviceConfig = QNetworkConfiguration();
+        iError = QNetworkSession::SessionAbortedError;
+        emit QNetworkSessionPrivate::error(iError);
+        Cancel();
+        if (ipConnectionNotifier) {
+            ipConnectionNotifier->StopNotifications();
+        }
+        // Start monitoring changes in IAP states
+        TRAP_IGNORE(iConnectionMonitor.NotifyEventL(*this));
+        emitSessionClosed = true; // Emit SessionClosed after state change has been reported
+    }
+
+    bool retVal = false;
+    if (accessPointId == 0) {
+        state = newState;
+        emit stateChanged(state);
+        retVal = true;
+    } else {
+        if (publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+            if (toSymbianConfig(privateConfiguration(publicConfig))->numericId == accessPointId) {
+                state = newState;
+                emit stateChanged(state);
+                retVal = true;
+            }
+        } else if (publicConfig.type() == QNetworkConfiguration::UserChoice && isOpen) {
+            if (toSymbianConfig(privateConfiguration(activeConfig))->numericId == accessPointId) {
+                state = newState;
+                emit stateChanged(state);
+                retVal = true;
+            }
+        } else if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+            QList<QNetworkConfiguration> subConfigurations = publicConfig.children();
+            for (int i = 0; i < subConfigurations.count(); i++) {
+                if (toSymbianConfig(privateConfiguration(subConfigurations[i]))->numericId == accessPointId) {
+                    if (newState == QNetworkSession::Connected) {
+                        // Make sure that when AccessPoint is reported to be Connected
+                        // also state of the related configuration changes to Active.
+                        privateConfiguration(subConfigurations[i])->state = QNetworkConfiguration::Active;
+    
+                        state = newState;
+                        emit stateChanged(state);
+                        retVal = true;
+                    } else {
+                        if (newState == QNetworkSession::Disconnected) {
+                            // Make sure that when AccessPoint is reported to be disconnected
+                            // also state of the related configuration changes from Active to Defined.
+                            privateConfiguration(subConfigurations[i])->state = QNetworkConfiguration::Defined;
+                        }
+                        QNetworkConfiguration config = bestConfigFromSNAP(publicConfig);
+                        if ((config.state() == QNetworkConfiguration::Defined) ||
+                            (config.state() == QNetworkConfiguration::Discovered)) {
+                            state = newState;
+                            emit stateChanged(state);
+                            retVal = true;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    
+    if (emitSessionClosed) {
+        emit closed();
+    }
+
+    return retVal;
+}
+
+void QNetworkSessionPrivateImpl::handleSymbianConnectionStatusChange(TInt aConnectionStatus,
+                                                                 TInt aError,
+                                                                 TUint accessPointId)
+{
+    switch (aConnectionStatus)
+        {
+        // Connection unitialised
+        case KConnectionUninitialised:
+            break;
+
+        // Starting connetion selection
+        case KStartingSelection:
+            break;
+
+        // Selection finished
+        case KFinishedSelection:
+            if (aError == KErrNone)
+                {
+                // The user successfully selected an IAP to be used
+                break;
+                }
+            else
+                {
+                // The user pressed e.g. "Cancel" and did not select an IAP
+                newState(QNetworkSession::Disconnected,accessPointId);
+                }
+            break;
+
+        // Connection failure
+        case KConnectionFailure:
+            newState(QNetworkSession::NotAvailable);
+            break;
+
+        // Prepearing connection (e.g. dialing)
+        case KPsdStartingConfiguration:
+        case KPsdFinishedConfiguration:
+        case KCsdFinishedDialling:
+        case KCsdScanningScript:
+        case KCsdGettingLoginInfo:
+        case KCsdGotLoginInfo:
+            break;
+
+        // Creating connection (e.g. GPRS activation)
+        case KCsdStartingConnect:
+        case KCsdFinishedConnect:
+            newState(QNetworkSession::Connecting,accessPointId);
+            break;
+
+        // Starting log in
+        case KCsdStartingLogIn:
+            break;
+
+        // Finished login
+        case KCsdFinishedLogIn:
+            break;
+
+        // Connection open
+        case KConnectionOpen:
+            break;
+
+        case KLinkLayerOpen:
+            newState(QNetworkSession::Connected,accessPointId);
+            break;
+
+        // Connection blocked or suspended
+        case KDataTransferTemporarilyBlocked:
+            break;
+
+        // Hangup or GRPS deactivation
+        case KConnectionStartingClose:
+            newState(QNetworkSession::Closing,accessPointId);
+            break;
+
+        // Connection closed
+        case KConnectionClosed:
+            break;
+
+        case KLinkLayerClosed:
+            newState(QNetworkSession::Disconnected,accessPointId);
+            break;
+
+        // Unhandled state
+        default:
+            break;
+        }
+}
+
+void QNetworkSessionPrivateImpl::EventL(const CConnMonEventBase& aEvent)
+{
+    switch (aEvent.EventType())
+    {
+        case EConnMonConnectionStatusChange:
+            {
+            CConnMonConnectionStatusChange* realEvent;
+            realEvent = (CConnMonConnectionStatusChange*) &aEvent;
+
+            TUint connectionId = realEvent->ConnectionId();
+            TInt connectionStatus = realEvent->ConnectionStatus();
+
+            // Try to Find IAP Id using connection Id
+            TUint apId = 0;
+            if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+                QList<QNetworkConfiguration> subConfigurations = publicConfig.children();
+                for (int i = 0; i < subConfigurations.count(); i++ ) {
+                    if (toSymbianConfig(privateConfiguration(subConfigurations[i]))->connectionId == connectionId) {
+                        apId = toSymbianConfig(privateConfiguration(subConfigurations[i]))->numericId;
+                        break;
+                    }
+                }
+            } else if (publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+                if (toSymbianConfig(privateConfiguration(publicConfig))->connectionId == connectionId) {
+                    apId = toSymbianConfig(privateConfiguration(publicConfig))->numericId;
+                }
+            }
+
+            if (apId > 0) {
+                handleSymbianConnectionStatusChange(connectionStatus, KErrNone, apId);
+            }
+            }
+            break;
+
+        case EConnMonCreateConnection:
+            {
+            CConnMonCreateConnection* realEvent;
+            realEvent = (CConnMonCreateConnection*) &aEvent;
+            TUint apId;
+            TUint connectionId = realEvent->ConnectionId();
+            TRequestStatus status;
+            iConnectionMonitor.GetUintAttribute(connectionId, 0, KIAPId, apId, status);
+            User::WaitForRequest(status);
+            if (status.Int() == KErrNone) {
+                // Store connection id to related AccessPoint Configuration
+                if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+                    QList<QNetworkConfiguration> subConfigurations = publicConfig.children();
+                    for (int i = 0; i < subConfigurations.count(); i++ ) {
+                        if (toSymbianConfig(privateConfiguration(subConfigurations[i]))->numericId == apId) {
+                            toSymbianConfig(privateConfiguration(subConfigurations[i]))->connectionId = connectionId;
+                            break;
+                        }
+                    }
+                } else if (publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+                    if (toSymbianConfig(privateConfiguration(publicConfig))->numericId == apId) {
+                        toSymbianConfig(privateConfiguration(publicConfig))->connectionId = connectionId;
+                    }
+                }
+            }
+            }
+            break;
+
+        case EConnMonDeleteConnection:
+            {
+            CConnMonDeleteConnection* realEvent;
+            realEvent = (CConnMonDeleteConnection*) &aEvent;
+            TUint connectionId = realEvent->ConnectionId();
+            // Remove connection id from related AccessPoint Configuration
+            if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+                QList<QNetworkConfiguration> subConfigurations = publicConfig.children();
+                for (int i = 0; i < subConfigurations.count(); i++ ) {
+                    if (toSymbianConfig(privateConfiguration(subConfigurations[i]))->connectionId == connectionId) {
+                        toSymbianConfig(privateConfiguration(subConfigurations[i]))->connectionId = 0;
+                        break;
+                    }
+                }
+            } else if (publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+                if (toSymbianConfig(privateConfiguration(publicConfig))->connectionId == connectionId) {
+                    toSymbianConfig(privateConfiguration(publicConfig))->connectionId = 0;
+                }
+            }
+            }
+            break;
+
+        default:
+            // For unrecognized events
+            break;
+    }
+}
+
+ConnectionProgressNotifier::ConnectionProgressNotifier(QNetworkSessionPrivateImpl &owner, RConnection &connection)
+    : CActive(CActive::EPriorityStandard), iOwner(owner), iConnection(connection)
+{
+    CActiveScheduler::Add(this);
+}
+
+ConnectionProgressNotifier::~ConnectionProgressNotifier()
+{
+    Cancel();
+}
+
+void ConnectionProgressNotifier::StartNotifications()
+{
+    if (!IsActive()) {
+        SetActive();
+    }
+    iConnection.ProgressNotification(iProgress, iStatus);
+}
+
+void ConnectionProgressNotifier::StopNotifications()
+{
+    Cancel();
+}
+
+void ConnectionProgressNotifier::DoCancel()
+{
+    iConnection.CancelProgressNotification();
+}
+
+void ConnectionProgressNotifier::RunL()
+{
+    if (iStatus == KErrNone) {
+        iOwner.handleSymbianConnectionStatusChange(iProgress().iStage, iProgress().iError);
+    
+        SetActive();
+        iConnection.ProgressNotification(iProgress, iStatus);
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/bearer/symbian/qnetworksession_impl.h b/src/plugins/bearer/symbian/qnetworksession_impl.h
new file mode 100644
index 0000000..2e75d96
--- /dev/null
+++ b/src/plugins/bearer/symbian/qnetworksession_impl.h
@@ -0,0 +1,196 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins 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 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 <QtNetwork/private/qnetworksession_p.h>
+
+#include <QDateTime>
+
+#include <e32base.h>
+#include <CommDbConnPref.h>
+#include <es_sock.h>
+#include <rconnmon.h>
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    #include <comms-infras/cs_mobility_apiext.h>
+#endif
+
+typedef int(*TOpenCSetdefaultifFunction)(const struct ifreq*);
+
+QT_BEGIN_NAMESPACE
+
+class ConnectionProgressNotifier;
+class SymbianEngine;
+
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+class QNetworkSessionPrivateImpl : public QNetworkSessionPrivate, public CActive, public MMobilityProtocolResp,
+                                     public MConnectionMonitorObserver
+#else
+class QNetworkSessionPrivateImpl : public QNetworkSessionPrivate, public CActive, public MConnectionMonitorObserver
+#endif
+{
+    Q_OBJECT
+public:
+    QNetworkSessionPrivateImpl(SymbianEngine *engine);
+    ~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();
+
+    QNetworkInterface currentInterface() const;
+    QVariant sessionProperty(const QString& key) const;
+    void setSessionProperty(const QString& key, const QVariant& value);
+    
+    void setALREnabled(bool enabled);
+
+    void open();
+    inline void close() { close(true); }
+    void close(bool allowSignals);
+    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;
+    
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE    
+public: // From MMobilityProtocolResp
+    void PreferredCarrierAvailable(TAccessPointInfo aOldAPInfo,
+                                   TAccessPointInfo aNewAPInfo,
+                                   TBool aIsUpgrade,
+                                   TBool aIsSeamless);
+
+    void NewCarrierActive(TAccessPointInfo aNewAPInfo, TBool aIsSeamless);
+
+    void Error(TInt aError);
+#endif    
+
+protected: // From CActive
+    void RunL();
+    void DoCancel();
+    
+private: // MConnectionMonitorObserver
+    void EventL(const CConnMonEventBase& aEvent);
+    
+private:
+    TUint iapClientCount(TUint aIAPId) const;
+    quint64 transferredData(TUint dataType) const;
+    bool newState(QNetworkSession::State newState, TUint accessPointId = 0);
+    void handleSymbianConnectionStatusChange(TInt aConnectionStatus, TInt aError, TUint accessPointId = 0);
+    QNetworkConfiguration bestConfigFromSNAP(const QNetworkConfiguration& snapConfig) const;
+    QNetworkConfiguration activeConfiguration(TUint32 iapId = 0) const;
+    QNetworkInterface interface(TUint iapId) const;
+
+private: // data
+    SymbianEngine *engine;
+
+    mutable QNetworkInterface activeInterface;
+
+    QDateTime startTime;
+
+    RLibrary iOpenCLibrary;
+    TOpenCSetdefaultifFunction iDynamicSetdefaultif;
+
+    mutable RSocketServ iSocketServ;
+    mutable RConnection iConnection;
+    mutable RConnectionMonitor iConnectionMonitor;
+    ConnectionProgressNotifier* ipConnectionNotifier;
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE    
+    CActiveCommsMobilityApiExt* iMobility;
+#endif    
+    
+    QNetworkSession::SessionError iError;
+    TInt iALREnabled;
+    TBool iALRUpgradingConnection;
+    
+    QList<QString> iKnownConfigsBeforeConnectionStart;
+    
+    TUint32 iOldRoamingIap;
+    TUint32 iNewRoamingIap;
+
+    friend class ConnectionProgressNotifier;
+};
+
+class ConnectionProgressNotifier : public CActive
+{
+public:
+    ConnectionProgressNotifier(QNetworkSessionPrivateImpl &owner, RConnection &connection);
+    ~ConnectionProgressNotifier();
+    
+    void StartNotifications();
+    void StopNotifications();
+    
+protected: // From CActive
+    void RunL();
+    void DoCancel();
+
+private: // Data
+    QNetworkSessionPrivateImpl &iOwner;
+    RConnection& iConnection;
+    TNifProgressBuf iProgress;
+    
+};
+
+QT_END_NAMESPACE
+
+#endif //QNETWORKSESSION_IMPL_H
+
diff --git a/src/plugins/bearer/symbian/symbian.pro b/src/plugins/bearer/symbian/symbian.pro
index d3ffb37..9fd1a74 100644
--- a/src/plugins/bearer/symbian/symbian.pro
+++ b/src/plugins/bearer/symbian/symbian.pro
@@ -3,8 +3,12 @@ include(../../qpluginbase.pri)
 
 QT += network
 
-HEADERS += symbianengine.h
-SOURCES += symbianengine.cpp main.cpp
+HEADERS += symbianengine.h \
+           qnetworksession_impl.h
+
+SOURCES += symbianengine.cpp \
+           qnetworksession_impl.cpp \
+           main.cpp
 
 exists($${EPOCROOT}epoc32/release/winscw/udeb/cmmanager.lib)| \
 exists($${EPOCROOT}epoc32/release/armv5/lib/cmmanager.lib) {
diff --git a/src/plugins/bearer/symbian/symbianengine.cpp b/src/plugins/bearer/symbian/symbianengine.cpp
index 8c31990..f5c5007 100644
--- a/src/plugins/bearer/symbian/symbianengine.cpp
+++ b/src/plugins/bearer/symbian/symbianengine.cpp
@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 #include "symbianengine.h"
+#include "qnetworksession_impl.h"
 
 #include <commdb.h>
 #include <cdbcols.h>
@@ -64,7 +65,7 @@ static const int KValueThatWillBeAddedToSNAPId = 1000;
 static const int KUserChoiceIAPId = 0;
 
 SymbianNetworkConfigurationPrivate::SymbianNetworkConfigurationPrivate()
-:   bearer(BearerUnknown), numericId(0), connectionId(0), manager(0)
+:   bearer(BearerUnknown), numericId(0), connectionId(0)
 {
 }
 
@@ -72,16 +73,33 @@ SymbianNetworkConfigurationPrivate::~SymbianNetworkConfigurationPrivate()
 {
 }
 
-inline SymbianNetworkConfigurationPrivate *toSymbianConfig(QNetworkConfigurationPrivatePointer ptr)
-{
-    return static_cast<SymbianNetworkConfigurationPrivate *>(ptr.data());
+QString SymbianNetworkConfigurationPrivate::bearerName() const
+{
+    switch (bearer) {
+    case BearerEthernet:
+        return QLatin1String("Ethernet");
+    case BearerWLAN:
+        return QLatin1String("WLAN");
+    case Bearer2G:
+        return QLatin1String("2G");
+    case BearerCDMA2000:
+        return QLatin1String("CDMA2000");
+    case BearerWCDMA:
+        return QLatin1String("WCDMA");
+    case BearerHSPA:
+        return QLatin1String("HSPA");
+    case BearerBluetooth:
+        return QLatin1String("Bluetooth");
+    case BearerWiMAX:
+        return QLatin1String("WiMAX");
+    default:
+        return QString();
+    }
 }
 
 SymbianEngine::SymbianEngine(QObject *parent)
 :   QNetworkSessionEngine(parent), CActive(CActive::EPriorityIdle), iInitOk(true)
 {
-    qDebug() << Q_FUNC_INFO;
-
     CActiveScheduler::Add(this);
 
     TRAPD(error, ipCommsDB = CCommsDatabase::NewL(EDatabaseTypeIAP));
@@ -112,7 +130,6 @@ SymbianEngine::SymbianEngine(QObject *parent)
     cpPriv->type = QNetworkConfiguration::UserChoice;
     cpPriv->purpose = QNetworkConfiguration::UnknownPurpose;
     cpPriv->roamingSupported = false;
-    cpPriv->manager = this;
 
     QNetworkConfigurationPrivatePointer ptr(cpPriv);
     userChoiceConfigurations.insert(ptr->id, ptr);
@@ -139,6 +156,34 @@ SymbianEngine::~SymbianEngine()
     delete ipCommsDB;
 }
 
+QString SymbianEngine::getInterfaceFromId(const QString &id)
+{
+    qFatal("getInterfaceFromId(%s) not implemented\n", qPrintable(id));
+    return QString();
+}
+
+bool SymbianEngine::hasIdentifier(const QString &id)
+{
+    return accessPointConfigurations.contains(id) ||
+           snapConfigurations.contains(id) ||
+           userChoiceConfigurations.contains(id);
+}
+
+void SymbianEngine::connectToId(const QString &id)
+{
+    qFatal("connectToId(%s) not implemented\n", qPrintable(id));
+}
+
+void SymbianEngine::disconnectFromId(const QString &id)
+{
+    qFatal("disconnectFromId(%s) not implemented\n", qPrintable(id));
+}
+
+QNetworkSession::State SymbianEngine::sessionStateForId(const QString &id)
+{
+    qFatal("sessionStateForId(%s) not implemented\n", qPrintable(id));
+    return QNetworkSession::Invalid;
+}
 
 QNetworkConfigurationManager::Capabilities SymbianEngine::capabilities() const
 {
@@ -157,6 +202,11 @@ QNetworkConfigurationManager::Capabilities SymbianEngine::capabilities() const
     return capFlags;
 }
 
+QNetworkSessionPrivate *SymbianEngine::createSessionBackend()
+{
+    return new QNetworkSessionPrivateImpl(this);
+}
+
 void SymbianEngine::requestUpdate()
 {
     if (!iInitOk || iUpdateGoingOn) {
@@ -239,7 +289,6 @@ void SymbianEngine::updateConfigurationsL()
             cpPriv->type = QNetworkConfiguration::ServiceNetwork;
             cpPriv->purpose = QNetworkConfiguration::UnknownPurpose;
             cpPriv->roamingSupported = false;
-            cpPriv->manager = this;
 
             QNetworkConfigurationPrivatePointer ptr(cpPriv);
             snapConfigurations.insert(ident, ptr);
@@ -428,7 +477,6 @@ SymbianNetworkConfigurationPrivate *SymbianEngine::configFromConnectionMethodL(
     cpPriv->type = QNetworkConfiguration::InternetAccessPoint;
     cpPriv->purpose = QNetworkConfiguration::UnknownPurpose;
     cpPriv->roamingSupported = false;
-    cpPriv->manager = this;
     
     CleanupStack::Pop(cpPriv);
     return cpPriv;
@@ -498,7 +546,6 @@ void SymbianEngine::readNetworkConfigurationValuesFromCommsDbL(
         apNetworkConfiguration->bearer = SymbianNetworkConfigurationPrivate::BearerUnknown;
         break;
     }
-    apNetworkConfiguration->manager = this;
     
     CleanupStack::PopAndDestroy(pApUtils);
     CleanupStack::PopAndDestroy(pAPItem);
diff --git a/src/plugins/bearer/symbian/symbianengine.h b/src/plugins/bearer/symbian/symbianengine.h
index 0ca30da..cd5aa43 100644
--- a/src/plugins/bearer/symbian/symbianengine.h
+++ b/src/plugins/bearer/symbian/symbianengine.h
@@ -80,18 +80,23 @@ public:
     SymbianNetworkConfigurationPrivate();
     ~SymbianNetworkConfigurationPrivate();
 
+    QString bearerName() const;
+
     Bearer bearer;
 
     TUint32 numericId;
     TUint connectionId;
 
-    TAny *manager;
-
     QNetworkConfigurationPrivatePointer serviceNetworkPtr;
 
     QString mappingName;
 };
 
+inline SymbianNetworkConfigurationPrivate *toSymbianConfig(QNetworkConfigurationPrivatePointer ptr)
+{
+    return static_cast<SymbianNetworkConfigurationPrivate *>(ptr.data());
+}
+
 class SymbianEngine : public QNetworkSessionEngine, public CActive,
                       public MConnectionMonitorObserver
 {
@@ -101,18 +106,20 @@ public:
     SymbianEngine(QObject *parent = 0);
     virtual ~SymbianEngine();
 
-    QString getInterfaceFromId(const QString &id) { return QString(); }
-    bool hasIdentifier(const QString &id) { return false; }
+    QString getInterfaceFromId(const QString &id);
+    bool hasIdentifier(const QString &id);
 
-    void connectToId(const QString &id) { }
-    void disconnectFromId(const QString &id) { }
+    void connectToId(const QString &id);
+    void disconnectFromId(const QString &id);
 
     void requestUpdate();
 
-    QNetworkSession::State sessionStateForId(const QString &id) { return QNetworkSession::Invalid; }
+    QNetworkSession::State sessionStateForId(const QString &id);
 
     QNetworkConfigurationManager::Capabilities capabilities() const;
 
+    QNetworkSessionPrivate *createSessionBackend();
+
     QNetworkConfigurationPrivatePointer defaultConfiguration();
 
 Q_SIGNALS: