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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 1549 insertions, 0 deletions

diff --git a/src/plugins/bearer/symbian/qnetworksession_impl.cpp b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
new file mode 100644
index 0000000000..a9bd4146dc
--- /dev/null
+++ b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
@@ -0,0 +1,1549 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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 <private/qcore_symbian_p.h>
+
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+#include <cmmanager.h>
+#endif
+
+#if defined(OCC_FUNCTIONALITY_AVAILABLE) && defined(SNAP_FUNCTIONALITY_AVAILABLE)
+#include <extendedconnpref.h>
+#endif
+
+#ifndef QT_NO_BEARERMANAGEMENT
+
+QT_BEGIN_NAMESPACE
+
+QNetworkSessionPrivateImpl::QNetworkSessionPrivateImpl(SymbianEngine *engine)
+:   engine(engine), iSocketServ(qt_symbianGetSocketServer()),
+    ipConnectionNotifier(0), ipConnectionStarter(0),
+    iHandleStateNotificationsFromManager(false), iFirstSync(true), iStoppedByUser(false),
+    iClosedByUser(false), iError(QNetworkSession::UnknownSessionError), iALREnabled(0),
+    iConnectInBackground(false), isOpening(false)
+{
+
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    iMobility = NULL;
+#endif
+
+    TRAP_IGNORE(iConnectionMonitor.ConnectL());
+}
+
+void QNetworkSessionPrivateImpl::closeHandles()
+{
+    QMutexLocker lock(&mutex);
+    // Cancel Connection Progress Notifications first.
+    // Note: ConnectionNotifier must be destroyed before RConnection::Close()
+    //       => deleting ipConnectionNotifier results RConnection::CancelProgressNotification()
+    delete ipConnectionNotifier;
+    ipConnectionNotifier = NULL;
+
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    // mobility monitor must be deleted before RConnection is closed
+    delete iMobility;
+    iMobility = NULL;
+#endif
+
+    // Cancel possible RConnection::Start() - may call RConnection::Close if Start was in progress
+    delete ipConnectionStarter;
+    ipConnectionStarter = 0;
+    //close any open connection (note Close twice is safe in case Cancel did it above)
+    iConnection.Close();
+
+    QSymbianSocketManager::instance().setDefaultConnection(0);
+
+    iConnectionMonitor.Close();
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this)
+             << " - handles closed";
+#endif
+
+}
+
+QNetworkSessionPrivateImpl::~QNetworkSessionPrivateImpl()
+{
+    isOpen = false;
+    isOpening = false;
+
+    closeHandles();
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this)
+             << " - destroyed";
+#endif
+}
+
+void QNetworkSessionPrivateImpl::configurationStateChanged(quint32 accessPointId, quint32 connMonId, QNetworkSession::State newState)
+{
+    if (iHandleStateNotificationsFromManager) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                 << "configurationStateChanged from manager for IAP : " << QString::number(accessPointId)
+                 << "connMon ID : " << QString::number(connMonId) << " : to a state: " << newState
+                 << "whereas my current state is: " << state;
+#else
+      Q_UNUSED(connMonId);
+#endif
+        this->newState(newState, accessPointId);
+    }
+}
+
+void QNetworkSessionPrivateImpl::configurationRemoved(QNetworkConfigurationPrivatePointer config)
+{
+    if (!publicConfig.isValid())
+        return;
+
+    TUint32 publicNumericId =
+        toSymbianConfig(privateConfiguration(publicConfig))->numericIdentifier();
+
+    if (toSymbianConfig(config)->numericIdentifier() == publicNumericId) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                 << "configurationRemoved IAP: " << QString::number(publicNumericId) << " : going to State: Invalid";
+#endif
+        this->newState(QNetworkSession::Invalid, publicNumericId);
+    }
+}
+
+void QNetworkSessionPrivateImpl::configurationAdded(QNetworkConfigurationPrivatePointer config)
+{
+    Q_UNUSED(config);
+    // If session is based on service network, some other app may create new access points
+    // to the SNAP --> synchronize session's state with that of interface's.
+    if (!publicConfig.isValid() || publicConfig.type() != QNetworkConfiguration::ServiceNetwork)
+        return;
+
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                 << "configurationAdded IAP: "
+                 << toSymbianConfig(config)->numericIdentifier();
+#endif
+
+        syncStateWithInterface();
+}
+
+// Function sets the state of the session to match the state
+// of the underlying interface (the configuration this session is based on)
+void QNetworkSessionPrivateImpl::syncStateWithInterface()
+{
+    if (!publicConfig.isValid())
+        return;
+
+    if (iFirstSync) {
+        QObject::connect(engine,
+                         SIGNAL(configurationStateChanged(quint32,quint32,QNetworkSession::State)),
+                         this,
+                         SLOT(configurationStateChanged(quint32,quint32,QNetworkSession::State)));
+        // Listen to configuration removals, so that in case the configuration
+        // this session is based on is removed, session knows to enter Invalid -state.
+        QObject::connect(engine, SIGNAL(configurationRemoved(QNetworkConfigurationPrivatePointer)),
+                         this, SLOT(configurationRemoved(QNetworkConfigurationPrivatePointer)));
+        // Connect to configuration additions, so that in case a configuration is added
+        // in a SNAP this session is based on, the session knows to synch its state with its
+        // interface.
+        QObject::connect(engine, SIGNAL(configurationAdded(QNetworkConfigurationPrivatePointer)),
+                         this, SLOT(configurationAdded(QNetworkConfigurationPrivatePointer)));
+    }
+    // Start listening IAP state changes from QNetworkConfigurationManagerPrivate
+    iHandleStateNotificationsFromManager = true;    
+
+    // Check what is the state of the configuration this session is based on
+    // and set the session in appropriate state.
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+             << "syncStateWithInterface() state of publicConfig is: " << publicConfig.state();
+#endif
+    switch (publicConfig.state()) {
+    case QNetworkConfiguration::Active:
+        newState(QNetworkSession::Connected);
+        break;
+    case QNetworkConfiguration::Discovered:
+        newState(QNetworkSession::Disconnected);
+        break;
+    case QNetworkConfiguration::Defined:
+        newState(QNetworkSession::NotAvailable);
+        break;
+    case QNetworkConfiguration::Undefined:
+    default:
+        newState(QNetworkSession::Invalid);
+    }
+}
+
+#ifndef QT_NO_NETWORKINTERFACE
+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);
+}
+#endif
+
+#ifndef QT_NO_NETWORKINTERFACE
+QNetworkInterface QNetworkSessionPrivateImpl::currentInterface() const
+{
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+             << "currentInterface() requested, state: " << state
+             << "publicConfig validity: " << publicConfig.isValid();
+    if (activeInterface.isValid())
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                 << "interface is: " << activeInterface.humanReadableName();
+#endif
+
+    if (!publicConfig.isValid() || state != QNetworkSession::Connected) {
+        return QNetworkInterface();
+    }
+    
+    return activeInterface;
+}
+#endif
+
+QVariant QNetworkSessionPrivateImpl::sessionProperty(const QString& key) const
+{
+    if (key == "ConnectInBackground") {
+        return QVariant(iConnectInBackground);
+    }
+    return QVariant();
+}
+
+void QNetworkSessionPrivateImpl::setSessionProperty(const QString& key, const QVariant& value)
+{
+    // Valid value means adding property, invalid means removing it.
+    if (key == "ConnectInBackground") {
+        if (value.isValid()) {
+            iConnectInBackground = value.toBool();
+        } else {
+            iConnectInBackground = EFalse;
+        }
+    }
+}
+
+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()
+{
+    QMutexLocker lock(&mutex);
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                << "open() called, session state is: " << state << " and isOpen is: "
+                << isOpen << isOpening;
+#endif
+
+    if (isOpen || isOpening)
+        return;
+
+    isOpening = true;
+
+    // Stop handling IAP state change signals from QNetworkConfigurationManagerPrivate
+    // => RConnection::ProgressNotification will be used for IAP/SNAP monitoring
+    iHandleStateNotificationsFromManager = false;
+
+    // Configuration may have been invalidated after session creation by platform
+    // (e.g. configuration has been deleted).
+    if (!publicConfig.isValid()) {
+        newState(QNetworkSession::Invalid);
+        iError = QNetworkSession::InvalidConfigurationError;
+        emit QNetworkSessionPrivate::error(iError);
+        return;
+    }
+    // If opening a undefined configuration, session emits error and enters
+    // NotAvailable -state. Note that we will try ones in 'defined' state to avoid excessive
+    // need for WLAN scans (via updateConfigurations()), because user may have walked
+    // into a WLAN range, but periodic background scan has not occurred yet -->
+    // we don't want to force application to make frequent updateConfigurations() calls
+    // to be able to try if e.g. home WLAN is available.
+    if (publicConfig.state() == QNetworkConfiguration::Undefined) {
+        newState(QNetworkSession::NotAvailable);
+        iError = QNetworkSession::InvalidConfigurationError;
+        emit QNetworkSessionPrivate::error(iError);
+        return;
+    }
+    // Clear possible previous states
+    iStoppedByUser = false;
+    iClosedByUser = false;
+
+    Q_ASSERT(!iConnection.SubSessionHandle());
+    TInt error = iConnection.Open(iSocketServ);
+    if (error != KErrNone) {
+        // Could not open RConnection
+        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) {
+            SymbianNetworkConfigurationPrivate *symbianConfig =
+                toSymbianConfig(privateConfiguration(publicConfig));
+
+#if defined(OCC_FUNCTIONALITY_AVAILABLE) && defined(SNAP_FUNCTIONALITY_AVAILABLE)
+            // With One Click Connectivity (Symbian^3 onwards) it is possible
+            // to connect silently, without any popups.
+            TConnPrefList pref;
+            TExtendedConnPref prefs;
+
+            prefs.SetIapId(symbianConfig->numericIdentifier());
+            if (iConnectInBackground) {
+                prefs.SetNoteBehaviour( TExtendedConnPref::ENoteBehaviourConnSilent );
+            }
+            pref.AppendL(&prefs);
+#else
+            TCommDbConnPref pref;
+            pref.SetDialogPreference(ECommDbDialogPrefDoNotPrompt);
+
+            pref.SetIapId(symbianConfig->numericIdentifier());
+#endif
+            if (!ipConnectionStarter) {
+                ipConnectionStarter = new ConnectionStarter(*this, iConnection);
+                ipConnectionStarter->Start(pref);
+            }
+            // Avoid flip flop of states if the configuration is already
+            // active. IsOpen/opened() will indicate when ready.
+            if (state != QNetworkSession::Connected) {
+                newState(QNetworkSession::Connecting);
+            }
+    } else if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+        SymbianNetworkConfigurationPrivate *symbianConfig =
+            toSymbianConfig(privateConfiguration(publicConfig));
+
+#if defined(OCC_FUNCTIONALITY_AVAILABLE) && defined(SNAP_FUNCTIONALITY_AVAILABLE)
+        // On Symbian^3 if service network is not reachable, it triggers a UI (aka EasyWLAN) where
+        // user can create new IAPs. To detect this, we need to store the number of IAPs
+        // there was before connection was started.
+        iKnownConfigsBeforeConnectionStart = engine->accessPointConfigurationIdentifiers();
+        TConnPrefList snapPref;
+        TExtendedConnPref prefs;
+        prefs.SetSnapId(symbianConfig->numericIdentifier());
+        if (iConnectInBackground) {
+            prefs.SetNoteBehaviour( TExtendedConnPref::ENoteBehaviourConnSilent );
+        }
+        snapPref.AppendL(&prefs);
+#else
+        TConnSnapPref snapPref(symbianConfig->numericIdentifier());
+#endif
+        if (!ipConnectionStarter) {
+            ipConnectionStarter = new ConnectionStarter(*this, iConnection);
+            ipConnectionStarter->Start(snapPref);
+        }
+        // Avoid flip flop of states if the configuration is already
+        // active. IsOpen/opened() will indicate when ready.
+        if (state != QNetworkSession::Connected) {
+            newState(QNetworkSession::Connecting);
+        }
+    } else if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+        iKnownConfigsBeforeConnectionStart = engine->accessPointConfigurationIdentifiers();
+        if (!ipConnectionStarter) {
+            ipConnectionStarter = new ConnectionStarter(*this, iConnection);
+            ipConnectionStarter->Start();
+        }
+        newState(QNetworkSession::Connecting);
+    }
+ 
+    if (error != KErrNone) {
+        isOpen = false;
+        isOpening = false;
+        iError = QNetworkSession::UnknownSessionError;
+        emit QNetworkSessionPrivate::error(iError);
+        closeHandles();
+        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)
+{
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+            << "close() called, session state is: " << state << " and isOpen is : "
+            << isOpen;
+#endif
+
+    if (!isOpen && state != QNetworkSession::Connecting) {
+        return;
+    }
+    // Mark this session as closed-by-user so that we are able to report
+    // distinguish between stop() and close() state transitions
+    // when reporting.
+    iClosedByUser = true;
+    isOpen = false;
+    isOpening = false;
+
+    serviceConfig = QNetworkConfiguration();
+    
+    closeHandles();
+
+    // Start handling IAP state change signals from QNetworkConfigurationManagerPrivate
+    iHandleStateNotificationsFromManager = true;
+
+    // If UserChoice, go down immediately. If some other configuration,
+    // go down immediately if there is no reports expected from the platform;
+    // in practice Connection Monitor is aware of connections only after
+    // KFinishedSelection event, and hence reports only after that event, but
+    // that does not seem to be trusted on all Symbian versions --> safest
+    // to go down.
+    if (publicConfig.type() == QNetworkConfiguration::UserChoice || state == QNetworkSession::Connecting) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                 << "going disconnected right away, since either UserChoice or Connecting";
+#endif
+        newState(QNetworkSession::Closing);
+        newState(QNetworkSession::Disconnected);
+    }
+    if (allowSignals) {
+        emit closed();
+    }
+}
+
+void QNetworkSessionPrivateImpl::stop()
+{
+    QMutexLocker lock(&mutex);
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+            << "stop() called, session state is: " << state << " and isOpen is : "
+            << isOpen;
+#endif
+    if (!isOpen &&
+        publicConfig.isValid() &&
+        publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+            << "since session is not open, using RConnectionMonitor to stop() the interface";
+#endif
+        iStoppedByUser = true;
+        // If the publicConfig is type of IAP, enumerate through connections at
+        // connection monitor. If publicConfig is active in that list, stop it.
+        // Otherwise there is nothing to stop. Note: because this QNetworkSession is not open,
+        // activeConfig is not usable.
+        TUint count;
+        TRequestStatus status;
+        iConnectionMonitor.GetConnectionCount(count, status);
+        User::WaitForRequest(status);
+        if (status.Int() != KErrNone) {
+            return;
+        }
+        TUint numSubConnections; // Not used but needed by GetConnectionInfo i/f
+        TUint connectionId;
+        for (TUint i = 1; i <= count; ++i) {
+            // Get (connection monitor's assigned) connection ID
+            TInt ret = iConnectionMonitor.GetConnectionInfo(i, connectionId, numSubConnections);            
+            if (ret == KErrNone) {
+                SymbianNetworkConfigurationPrivate *symbianConfig =
+                    toSymbianConfig(privateConfiguration(publicConfig));
+
+                // See if connection Id matches with our Id. If so, stop() it.
+                if (symbianConfig->connectionIdentifier() == connectionId) {
+                    ret = iConnectionMonitor.SetBoolAttribute(connectionId,
+                                                              0, // subConnectionId don't care
+                                                              KConnectionStop,
+                                                              ETrue);
+                }
+            }
+            // Enter disconnected state right away since the session is not even open.
+            // Symbian^3 connection monitor does not emit KLinkLayerClosed when
+            // connection is stopped via connection monitor.
+            newState(QNetworkSession::Disconnected);
+        }
+    } else if (isOpen) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+            << "since session is open, using RConnection to stop() the interface";
+#endif
+        // Since we are open, use RConnection to stop the interface
+        isOpen = false;
+        isOpening = false;
+        iStoppedByUser = true;
+        newState(QNetworkSession::Closing);
+        if (ipConnectionNotifier) {
+            ipConnectionNotifier->StopNotifications();
+            // Start handling IAP state change signals from QNetworkConfigurationManagerPrivate
+            iHandleStateNotificationsFromManager = true;
+        }
+        iConnection.Stop(RConnection::EStopAuthoritative);
+        isOpen = true;
+        isOpening = false;
+        close(false);
+        emit closed();
+    }
+}
+
+void QNetworkSessionPrivateImpl::migrate()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (iMobility) {
+        QSymbianSocketManager::instance().setDefaultConnection(0);
+        // Start migrating to new IAP
+        iMobility->MigrateToPreferredCarrier();
+    }
+#endif
+}
+
+void QNetworkSessionPrivateImpl::ignore()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (iMobility) {
+        iMobility->IgnorePreferredCarrier();
+
+        if (!iALRUpgradingConnection) {
+            newState(QNetworkSession::Disconnected);
+        } else {
+            newState(QNetworkSession::Connected,iOldRoamingIap);
+        }
+    }
+#endif
+}
+
+void QNetworkSessionPrivateImpl::accept()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (iMobility) {
+        iMobility->NewCarrierAccepted();
+
+        QNetworkConfiguration newActiveConfig = activeConfiguration(iNewRoamingIap);
+
+        QSymbianSocketManager::instance().setDefaultConnection(&iConnection);
+
+        newState(QNetworkSession::Connected, iNewRoamingIap);
+    }
+#endif
+}
+
+void QNetworkSessionPrivateImpl::reject()
+{
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+    if (iMobility) {
+        iMobility->NewCarrierRejected();
+
+        if (!iALRUpgradingConnection) {
+            newState(QNetworkSession::Disconnected);
+        } else {
+            QNetworkConfiguration newActiveConfig = activeConfiguration(iOldRoamingIap);
+
+            QSymbianSocketManager::instance().setDefaultConnection(&iConnection);
+
+            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++) {
+            SymbianNetworkConfigurationPrivate *symbianConfig =
+                toSymbianConfig(privateConfiguration(configs[i]));
+
+            if (symbianConfig->numericIdentifier() == aNewAPInfo.AccessPoint()) {
+                // Any slot connected to the signal might throw an std::exception,
+                // which must not propagate into Symbian code (this function is a callback
+                // from platform). We could convert exception to a symbian Leave, but since the
+                // prototype of this function bans this (no trailing 'L'), we just catch
+                // and drop.
+                QT_TRY {
+                    emit preferredConfigurationChanged(configs[i], aIsSeamless);
+                }
+                QT_CATCH (std::exception&) {}
+            }
+        }
+    } else {
+        migrate();
+    }
+}
+
+void QNetworkSessionPrivateImpl::NewCarrierActive(TAccessPointInfo /*aNewAPInfo*/, TBool /*aIsSeamless*/)
+{
+    if (iALREnabled > 0) {
+        QT_TRY {
+            emit newConfigurationActivated();
+        }
+        QT_CATCH (std::exception&) {}
+    } else {
+        accept();
+    }
+}
+
+void QNetworkSessionPrivateImpl::Error(TInt aError)
+{
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+            << "roaming Error() occurred" << aError << ", isOpen is: " << isOpen;
+#endif
+    if (aError == KErrCancel)
+        return; //avoid recursive deletion
+    if (isOpen) {
+        isOpen = false;
+        isOpening = false;
+        activeConfig = QNetworkConfiguration();
+        serviceConfig = QNetworkConfiguration();
+        iError = QNetworkSession::RoamingError;
+        emit QNetworkSessionPrivate::error(iError);
+        closeHandles();
+        QT_TRY {
+            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();
+        }
+        QT_CATCH (std::exception&) {}
+    } else if (iStoppedByUser) {
+        // If the user of this session has called the stop() and
+        // configuration is based on internet SNAP, this needs to be
+        // done here because platform might roam.
+        QT_TRY {
+            newState(QNetworkSession::Disconnected);
+        }
+        QT_CATCH (std::exception&) {}
+    }
+}
+#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++) {
+                        SymbianNetworkConfigurationPrivate *symbianConfig =
+                            toSymbianConfig(privateConfiguration(configs[i]));
+
+                        if (symbianConfig->numericIdentifier() == apId) {
+                            configFound = true;
+                            break;
+                        }
+                    }
+                } else {
+                    SymbianNetworkConfigurationPrivate *symbianConfig =
+                        toSymbianConfig(privateConfiguration(config));
+
+                    if (symbianConfig->numericIdentifier() == 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
+        // Check if this is an Easy WLAN configuration. On Symbian^3 RConnection may report
+        // the used configuration as 'EasyWLAN' IAP ID if someone has just opened the configuration
+        // from WLAN Scan dialog, _and_ that connection is still up. We need to find the
+        // real matching configuration. Function alters the Easy WLAN ID to real IAP ID (only if
+        // easy WLAN):
+        easyWlanTrueIapId(iapId);
+#endif
+    }
+
+#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++) {
+            SymbianNetworkConfigurationPrivate *childConfig =
+                toSymbianConfig(privateConfiguration(children[i]));
+
+            if (childConfig->numericIdentifier() == 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(
+                QT_BEARERMGMT_CONFIGURATION_IAP_PREFIX+QString::number(qHash(iapId)));
+
+        SymbianNetworkConfigurationPrivate *symbianConfig =
+            toSymbianConfig(privateConfiguration(pt));
+        if (symbianConfig) {
+            for (int i=0; i < children.count(); i++) {
+                SymbianNetworkConfigurationPrivate *childConfig =
+                    toSymbianConfig(privateConfiguration(children[i]));
+
+                if (childConfig->configMappingName() == symbianConfig->configMappingName()) {
+                    return children[i];
+                }
+            }
+        } else {
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+            // On Symbian^3 (only, not earlier or Symbian^4) if the SNAP was not reachable, it
+            // triggers user choice type of activity (EasyWLAN). As a result, a new IAP may be
+            // created, and hence if was not found yet. Therefore update configurations and see if
+            // there is something new.
+
+            // 1. Update knowledge from the databases.
+            if (thread() != engine->thread())
+                QMetaObject::invokeMethod(engine, "requestUpdate", Qt::BlockingQueuedConnection);
+            else
+                engine->requestUpdate();
+
+            // 2. Check if new configuration was created during connection creation
+            QList<QString> knownConfigs = engine->accessPointConfigurationIdentifiers();
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+            qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                    << "opened configuration was not known beforehand, looking for new.";
+#endif
+            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()) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                            << "new configuration was found, name, IAP id: " << pt.name() << pt.identifier();
+#endif
+                    return pt;
+                }
+            }
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+            qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+                    << "configuration was not found, returning invalid.";
+#endif
+#endif
+            // 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(
+                    QT_BEARERMGMT_CONFIGURATION_IAP_PREFIX+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
+                if (thread() != engine->thread()) {
+                    QMetaObject::invokeMethod(engine, "requestUpdate",
+                                              Qt::BlockingQueuedConnection);
+                } else {
+                    engine->requestUpdate();
+                }
+                // 2. Check if new configuration was created during connection creation
+                QStringList knownConfigs = engine->accessPointConfigurationIdentifiers();
+                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::ConnectionStartComplete(TInt statusCode)
+{
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+            << "RConnection::Start completed with status code: " << statusCode;
+#endif
+    delete ipConnectionStarter;
+    ipConnectionStarter = 0;
+
+    switch (statusCode) {
+        case KErrNone: // Connection created successfully
+            {
+            TInt error = KErrNone;
+            QNetworkConfiguration newActiveConfig = activeConfiguration();
+            if (!newActiveConfig.isValid()) {
+                // RConnection startup was successful but no configuration
+                // was found. That indicates that user has chosen to create a
+                // new WLAN configuration (from scan results), but that new
+                // configuration does not have access to Internet (Internet
+                // Connectivity Test, ICT, failed).
+                error = KErrGeneral;
+            } else {
+                QSymbianSocketManager::instance().setDefaultConnection(&iConnection);
+            }
+            if (error != KErrNone) {
+                isOpen = false;
+                isOpening = false;
+                iError = QNetworkSession::UnknownSessionError;
+                QT_TRYCATCH_LEAVING(emit QNetworkSessionPrivate::error(iError));
+                closeHandles();
+                if (!newActiveConfig.isValid()) {
+                    // No valid configuration, bail out.
+                    // Status updates from QNCM won't be received correctly
+                    // because there is no configuration to associate them with so transit here.
+                    newState(QNetworkSession::Closing);
+                    newState(QNetworkSession::Disconnected);
+                }
+                QT_TRYCATCH_LEAVING(syncStateWithInterface());
+                return;
+            }
+ 
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+            if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+                // Activate ALR monitoring
+                iMobility = CActiveCommsMobilityApiExt::NewL(iConnection, *this);
+            }
+#endif
+
+            isOpen = true;
+            isOpening = false;
+            activeConfig = newActiveConfig;
+
+            SymbianNetworkConfigurationPrivate *symbianConfig =
+                toSymbianConfig(privateConfiguration(activeConfig));
+
+#ifndef QT_NO_NETWORKINTERFACE
+            activeInterface = interface(symbianConfig->numericIdentifier());
+#endif
+            if (publicConfig.type() == QNetworkConfiguration::UserChoice) {
+                serviceConfig = QNetworkConfigurationManager()
+                    .configurationFromIdentifier(activeConfig.identifier());
+            }
+
+            startTime = QDateTime::currentDateTime();
+
+            QT_TRYCATCH_LEAVING({
+                    newState(QNetworkSession::Connected);
+                    emit quitPendingWaitsForOpened();
+                });
+            }
+            break;
+        case KErrNotFound: // Connection failed
+            isOpen = false;
+            isOpening = false;
+            activeConfig = QNetworkConfiguration();
+            serviceConfig = QNetworkConfiguration();
+            iError = QNetworkSession::InvalidConfigurationError;
+            QT_TRYCATCH_LEAVING(emit QNetworkSessionPrivate::error(iError));
+            closeHandles();
+            QT_TRYCATCH_LEAVING(syncStateWithInterface());
+            break;
+        case KErrCancel: // Connection attempt cancelled
+        case KErrAlreadyExists: // Connection already exists
+        default:
+            isOpen = false;
+            isOpening = false;
+            activeConfig = QNetworkConfiguration();
+            serviceConfig = QNetworkConfiguration();
+            if (statusCode == KErrCancel) {
+                iError = QNetworkSession::SessionAbortedError;
+            } else if (publicConfig.state() == QNetworkConfiguration::Undefined ||
+                publicConfig.state() == QNetworkConfiguration::Defined) {
+                iError = QNetworkSession::InvalidConfigurationError;
+            } else {
+                iError = QNetworkSession::UnknownSessionError;
+            }
+            QT_TRYCATCH_LEAVING(emit QNetworkSessionPrivate::error(iError));
+            closeHandles();
+            QT_TRYCATCH_LEAVING(syncStateWithInterface());
+            break;
+    }
+}
+
+// Enters newState if feasible according to current state.
+// AccessPointId may be given as parameter. If it is zero, state-change is assumed to
+// concern this session's configuration. If non-zero, the configuration is looked up
+// and checked if it matches the configuration this session is based on.
+bool QNetworkSessionPrivateImpl::newState(QNetworkSession::State newState, TUint accessPointId)
+{
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - "
+             << "NEW STATE, IAP ID : " << QString::number(accessPointId) << " , newState : " << QString::number(newState);
+#endif
+    // 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);
+
+#ifndef QT_NO_NETWORKINTERFACE
+        SymbianNetworkConfigurationPrivate *symbianConfig =
+            toSymbianConfig(privateConfiguration(activeConfig));
+
+        activeInterface = interface(symbianConfig->numericIdentifier());
+#endif
+
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+        QSymbianSocketManager::instance().setDefaultConnection(&iConnection);
+#endif
+    }
+
+    // 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;
+    }
+    
+    // Make sure that Connected state is not reported when Connection is
+    // already Closing.
+    // Note: Stopping connection results sometimes KLinkLayerOpen
+    //       to be reported first (just before KLinkLayerClosed).
+    if (state == QNetworkSession::Closing && newState == QNetworkSession::Connected) {
+        return false;
+    }
+
+    // Make sure that some lagging 'closing' state-changes do not overwrite
+    // if we are already disconnected or closed.
+    if (state == QNetworkSession::Disconnected && newState == QNetworkSession::Closing) {
+        return false;
+    }
+
+    // Make sure that some lagging 'connecting' state-changes do not overwrite
+    // if we are already connected (may righfully still happen with roaming though).
+    if (state == QNetworkSession::Connected && newState == QNetworkSession::Connecting) {
+        return false;
+    }
+
+    bool emitSessionClosed = false;
+
+    // If we abruptly go down and user hasn't closed the session, we've been aborted.
+    // Note that session may be in 'closing' state and not in 'connected' state, because
+    // depending on platform the platform may report KConfigDaemonStartingDeregistration
+    // event before KLinkLayerClosed
+    if ((isOpen && state == QNetworkSession::Connected && newState == QNetworkSession::Disconnected) ||
+        (isOpen && !iClosedByUser && 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;
+        isOpening = false;
+        activeConfig = QNetworkConfiguration();
+        serviceConfig = QNetworkConfiguration();
+        iError = QNetworkSession::SessionAbortedError;
+        emit QNetworkSessionPrivate::error(iError);
+        closeHandles();
+        // Start handling IAP state change signals from QNetworkConfigurationManagerPrivate
+        iHandleStateNotificationsFromManager = true;
+        emitSessionClosed = true; // Emit SessionClosed after state change has been reported
+    }
+
+    bool retVal = false;
+    if (accessPointId == 0) {
+        state = newState;
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+        qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed A to: " << state;
+#endif
+        emit stateChanged(state);
+        retVal = true;
+    } else {
+        if (publicConfig.type() == QNetworkConfiguration::InternetAccessPoint) {
+            SymbianNetworkConfigurationPrivate *symbianConfig =
+                toSymbianConfig(privateConfiguration(publicConfig));
+
+            if (symbianConfig->numericIdentifier() == accessPointId) {
+                state = newState;
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed B to: " << state;
+#endif
+                emit stateChanged(state);
+                retVal = true;
+            }
+        } else if (publicConfig.type() == QNetworkConfiguration::UserChoice && isOpen) {
+            SymbianNetworkConfigurationPrivate *symbianConfig =
+                toSymbianConfig(privateConfiguration(activeConfig));
+
+            if (symbianConfig->numericIdentifier() == accessPointId) {
+                state = newState;
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed C to: " << state;
+#endif
+                emit stateChanged(state);
+                retVal = true;
+            }
+        } else if (publicConfig.type() == QNetworkConfiguration::ServiceNetwork) {
+            QList<QNetworkConfiguration> subConfigurations = publicConfig.children();
+            for (int i = 0; i < subConfigurations.count(); i++) {
+                SymbianNetworkConfigurationPrivate *symbianConfig =
+                    toSymbianConfig(privateConfiguration(subConfigurations[i]));
+
+                if (symbianConfig->numericIdentifier() == accessPointId) {
+                    if (newState != QNetworkSession::Disconnected) {
+                        state = newState;
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                        qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed D  to: " << state;
+#endif
+                        emit stateChanged(state);
+                        retVal = true;
+                    } else {
+                        QNetworkConfiguration config = bestConfigFromSNAP(publicConfig);
+                        if ((config.state() == QNetworkConfiguration::Defined) ||
+                            (config.state() == QNetworkConfiguration::Discovered)) {
+                            activeConfig = QNetworkConfiguration();
+                            state = newState;
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                            qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed E  to: " << state;
+#endif
+                            emit stateChanged(state);
+                            retVal = true;
+                        } else if (config.state() == QNetworkConfiguration::Active) {
+                            // Connection to used IAP was closed, but there is another
+                            // IAP that's active in used SNAP
+                            // => Change state back to Connected
+                            state =  QNetworkSession::Connected;
+                            emit stateChanged(state);
+                            retVal = true;
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                            qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed F  to: " << state;
+#endif
+                        }
+                    }
+                }
+            }
+#ifdef SNAP_FUNCTIONALITY_AVAILABLE
+            // If the retVal is not true here, it means that the status update may apply to an IAP outside of
+            // SNAP (session is based on SNAP but follows IAP outside of it), which may occur on Symbian^3 EasyWlan.
+            if (retVal == false && activeConfig.isValid() &&
+                toSymbianConfig(privateConfiguration(activeConfig))->numericIdentifier() == accessPointId) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "===> EMIT State changed G  to: " << state;
+#endif
+                if (newState == QNetworkSession::Disconnected) {
+                    activeConfig = QNetworkConfiguration();
+                }
+                state = newState;
+                emit stateChanged(state);
+                retVal = true;
+            }
+#endif
+        }
+    }
+    if (emitSessionClosed) {
+        emit closed();
+    }
+    if (state == QNetworkSession::Disconnected) {
+        // Just in case clear activeConfiguration.
+        activeConfig = QNetworkConfiguration();
+    }
+    return retVal;
+}
+
+void QNetworkSessionPrivateImpl::handleSymbianConnectionStatusChange(TInt aConnectionStatus,
+                                                                 TInt aError,
+                                                                 TUint accessPointId)
+{
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+    qDebug() << "QNS this : " << QString::number((uint)this) << " - " << QString::number(accessPointId) << " , status : " << QString::number(aConnectionStatus);
+#endif
+    switch (aConnectionStatus)
+        {
+        // Connection unitialised
+        case KConnectionUninitialised:
+            break;
+
+        // Starting connetion selection
+        case KStartingSelection:
+            break;
+
+        // Selection finished
+        case KFinishedSelection:
+            if (aError == KErrNone)
+                {
+                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;
+
+        case KConfigDaemonStartingRegistration:
+        // 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;
+
+        case KConfigDaemonStartingDeregistration:
+        // Hangup or GRPS deactivation
+        case KConnectionStartingClose:
+            newState(QNetworkSession::Closing,accessPointId);
+            break;
+
+        // Connection closed
+        case KConnectionClosed:
+        case KLinkLayerClosed:
+            newState(QNetworkSession::Disconnected,accessPointId);
+            // Report manager about this to make sure this event
+            // is received by all interseted parties (mediated by
+            // manager because it does always receive all events from
+            // connection monitor).
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+            qDebug() << "QNS this : " << QString::number((uint)this) << " - " << "reporting disconnection to manager.";
+#endif
+            if (publicConfig.isValid()) {
+                SymbianNetworkConfigurationPrivate *symbianConfig =
+                    toSymbianConfig(privateConfiguration(publicConfig));
+
+                engine->configurationStateChangeReport(symbianConfig->numericIdentifier(),
+                                                       QNetworkSession::Disconnected);
+            }
+            break;
+        // Unhandled state
+        default:
+            break;
+        }
+}
+
+#if defined(SNAP_FUNCTIONALITY_AVAILABLE)
+bool QNetworkSessionPrivateImpl::easyWlanTrueIapId(TUint32 &trueIapId) const
+{
+    RCmManager iCmManager;
+    TRAPD(err, iCmManager.OpenL());
+    if (err != KErrNone)
+        return false;
+
+    // Check if this is easy wlan id in the first place
+    if (trueIapId != iCmManager.EasyWlanIdL()) {
+        iCmManager.Close();
+        return false;
+    }
+
+    iCmManager.Close();
+
+    // Loop through all connections that connection monitor is aware
+    // and check for IAPs based on easy WLAN
+    TRequestStatus status;
+    TUint connectionCount;
+    iConnectionMonitor.GetConnectionCount(connectionCount, status);
+    User::WaitForRequest(status);
+    TUint connectionId;
+    TUint subConnectionCount;
+    TUint apId;
+    if (status.Int() == KErrNone) {
+        for (TUint i = 1; i <= connectionCount; i++) {
+            iConnectionMonitor.GetConnectionInfo(i, connectionId, subConnectionCount);
+            iConnectionMonitor.GetUintAttribute(connectionId, subConnectionCount,
+                                                KIAPId, apId, status);
+            User::WaitForRequest(status);
+            if (apId == trueIapId) {
+                TBuf<50>easyWlanNetworkName;
+                iConnectionMonitor.GetStringAttribute(connectionId, 0, KNetworkName,
+                                                      easyWlanNetworkName, status);
+                User::WaitForRequest(status);
+                if (status.Int() != KErrNone)
+                    continue;
+
+                const QString ssid = QString::fromUtf16(easyWlanNetworkName.Ptr(),
+                                                            easyWlanNetworkName.Length());
+
+                QNetworkConfigurationPrivatePointer ptr = engine->configurationFromSsid(ssid);
+                if (ptr) {
+#ifdef QT_BEARERMGMT_SYMBIAN_DEBUG
+                    qDebug() << "QNCM easyWlanTrueIapId(), found true IAP ID: "
+                             << toSymbianConfig(ptr)->numericIdentifier();
+#endif
+                    trueIapId = toSymbianConfig(ptr)->numericIdentifier();
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
+#endif
+
+RConnection* QNetworkSessionPrivateImpl::nativeSession()
+{
+    return &iConnection;
+}
+
+ConnectionProgressNotifier::ConnectionProgressNotifier(QNetworkSessionPrivateImpl& owner, RConnection& connection)
+    : CActive(CActive::EPriorityUserInput), 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) {
+        SetActive();
+        iConnection.ProgressNotification(iProgress, iStatus);
+        // warning, this object may be deleted in the callback - do nothing after handleSymbianConnectionStatusChange
+        QT_TRYCATCH_LEAVING(iOwner.handleSymbianConnectionStatusChange(iProgress().iStage, iProgress().iError));
+    }
+}
+
+ConnectionStarter::ConnectionStarter(QNetworkSessionPrivateImpl &owner, RConnection &connection)
+    : CActive(CActive::EPriorityUserInput), iOwner(owner), iConnection(connection)
+{
+    CActiveScheduler::Add(this);
+}
+
+ConnectionStarter::~ConnectionStarter()
+{
+    Cancel();
+}
+
+void ConnectionStarter::Start()
+{
+    if (!IsActive()) {
+        iConnection.Start(iStatus);
+        SetActive();
+    }
+}
+
+void ConnectionStarter::Start(TConnPref &pref)
+{
+    if (!IsActive()) {
+        iConnection.Start(pref, iStatus);
+        SetActive();
+    }
+}
+
+void ConnectionStarter::RunL()
+{
+    iOwner.ConnectionStartComplete(iStatus.Int());
+    //note owner deletes on callback
+}
+
+TInt ConnectionStarter::RunError(TInt err)
+{
+    qWarning() << "ConnectionStarter::RunError" << err;
+    return KErrNone;
+}
+
+void ConnectionStarter::DoCancel()
+{
+    iConnection.Close();
+}
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_BEARERMANAGEMENT
+