QIcdEngine Class Reference

#include <qicdengine.h>

Inheritance diagram for QIcdEngine:

Signals
void	iapStateChanged (const QString &iapid, uint icd_connection_state)
Signals inherited from QBearerEngine
void	configurationAdded (QNetworkConfigurationPrivatePointer config)
void	configurationChanged (QNetworkConfigurationPrivatePointer config)
void	configurationRemoved (QNetworkConfigurationPrivatePointer config)
void	updateCompleted ()
Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...

Public Functions
void	addConfiguration (QString &iap_id)
void	addSessionConfiguration (QNetworkConfigurationPrivatePointer ptr)
QNetworkConfigurationManager::Capabilities	capabilities () const
void	changedSessionConfiguration (QNetworkConfigurationPrivatePointer ptr)
void	cleanup ()
QNetworkConfigurationPrivatePointer	configuration (const QString &id)
QNetworkSessionPrivate *	createSessionBackend ()
QNetworkConfigurationPrivatePointer	defaultConfiguration ()
void	deleteConfiguration (const QString &iap_id)
bool	hasIdentifier (const QString &id)
Q_INVOKABLE void	initialize ()
	QIcdEngine (QObject *parent=0)
Q_INVOKABLE void	requestUpdate ()
	~QIcdEngine ()
Public Functions inherited from QBearerEngine
bool	configurationsInUse () const
	QBearerEngine (QObject *parent=0)
virtual bool	requiresPolling () const
virtual	~QBearerEngine ()
Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...
const QObjectList &	children () const
	Returns a list of child objects. More...
bool	connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool	disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
bool	disconnect (const QObject *receiver, const char *member=0)
void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...
void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...
QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...
virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...
virtual bool	eventFilter (QObject *, QEvent *)
	Filters events if this object has been installed as an event filter for the watched object. More...
template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...
template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...
template<typename T >
QList< T >	findChildren (const QRegExp &re) const
bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...
void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...
bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...
void	killTimer (int id)
	Kills the timer with timer identifier, id. More...
virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...
void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...
QString	objectName () const
QObject *	parent () const
	Returns a pointer to the parent object. More...
QVariant	property (const char *name) const
	Returns the value of the object's name property. More...
Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...
void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...
void	setObjectName (const QString &name)
void	setParent (QObject *)
	Makes the object a child of parent. More...
bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...
void	setUserData (uint id, QObjectUserData *data)
bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...
int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...
QThread *	thread () const
	Returns the thread in which the object lives. More...
QObjectUserData *	userData (uint id) const
virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Private Slots
void	asyncUpdateConfigurationsSlot (QDBusMessage msg)
void	connectionStateSignalsSlot (QDBusMessage msg)
void	finishAsyncConfigurationUpdate ()
void	icdServiceOwnerChanged (const QString &serviceName, const QString &oldOwner, const QString &newOwner)

Private Functions
void	cancelAsyncConfigurationUpdate ()
void	doRequestUpdate (QList< Maemo::IcdScanResult > scanned=QList< Maemo::IcdScanResult >())
bool	ensureDBusConnection ()
void	getIcdInitialState ()
void	startListeningStateSignalsForAllConnections ()

Properties
bool	firstUpdate
IapMonitor *	iapMonitor
QDBusInterface *	m_dbusInterface
QDBusServiceWatcher *	m_icdServiceWatcher
QString	m_onlineIapId
bool	m_scanGoingOn
QList< Maemo::IcdScanResult >	m_scanResult
QTimer	m_scanTimer
QStringList	m_typesToBeScanned

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...
Static Public Functions inherited from QObject
static bool	connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...
static bool	connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
static bool	disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
	Disconnects signal in object sender from method in object receiver. More...
static bool	disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static uint	registerUserData ()
static QString	tr (const char *sourceText, const char *comment=0, int n=-1)
static QString	trUtf8 (const char *sourceText, const char *comment=0, int n=-1)
Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...
Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...
virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...
virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...
virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...
	QObject (QObjectPrivate &dd, QObject *parent=0)
int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...
int	senderSignalIndex () const
virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...
Protected Variables inherited from QBearerEngine
QHash< QString, QNetworkConfigurationPrivatePointer >	accessPointConfigurations
QMutex	mutex
QHash< QString, QNetworkConfigurationPrivatePointer >	snapConfigurations
QHash< QString, QNetworkConfigurationPrivatePointer >	userChoiceConfigurations
Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr
Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject
Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()
QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()
QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()
T *	qobject_cast (QObject *object)
	QObjectList
void *	qt_find_obj_child (QObject *parent, const char *type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 97 of file qicdengine.h.

Constructors and Destructors

QIcdEngine()

QIcdEngine::QIcdEngine

(

QObject *

parent = 0

)

QIcdEngine implementation

Definition at line 231 of file qicdengine.cpp.

:   QBearerEngine(parent), iapMonitor(0), m_dbusInterface(0), m_icdServiceWatcher(0),
    firstUpdate(true), m_scanGoingOn(false)
{
}

~QIcdEngine()

QIcdEngine::~QIcdEngine

(

)

Definition at line 237 of file qicdengine.cpp.

{
    cleanup();
    delete iapMonitor;
}

Functions

addConfiguration()

void QIcdEngine::addConfiguration

(

QString &

iap_id

)

Definition at line 412 of file qicdengine.cpp.

{
    // Note: When new IAP is created, this function gets called multiple times
    //       in a row.
    //       For example: Empty type & name for WLAN was stored into newly
    //                    created IAP data in gconf when this function gets
    //                    called for the first time.
    //                    WLAN type & name are updated into IAP data in gconf
    //                    as soon as WLAN connection is up and running.
    //                    => And this function gets called again.

    QMutexLocker locker(&mutex);

    if (!accessPointConfigurations.contains(iap_id)) {
    Maemo::IAPConf saved_iap(iap_id);
        QString iap_type = saved_iap.value("type").toString();
        QString iap_name = saved_iap.value("name").toString();
        QByteArray ssid = saved_iap.value("wlan_ssid").toByteArray();
        if (!iap_type.isEmpty() && !iap_name.isEmpty()) {
            // Check if new IAP is actually Undefined WLAN configuration
            // Note: SSID is used as an iap id for Undefined WLAN configurations
            //       => configuration must be searched using SSID
            if (!ssid.isEmpty() && accessPointConfigurations.contains(ssid)) {
                QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.take(ssid);
                if (ptr) {
                    ptr->mutex.lock();
                    ptr->id = iap_id;
                    toIcdConfig(ptr)->iap_type = iap_type;
                    ptr->bearerType = bearerTypeFromIapType(iap_type);
                    toIcdConfig(ptr)->network_attrs = getNetworkAttrs(true, iap_id, iap_type, QString());
                    toIcdConfig(ptr)->network_id = ssid;
                    toIcdConfig(ptr)->service_id = saved_iap.value("service_id").toString();
                    toIcdConfig(ptr)->service_type = saved_iap.value("service_type").toString();
                    if (m_onlineIapId == iap_id) {
                        ptr->state = QNetworkConfiguration::Active;
                    } else {
                        ptr->state = QNetworkConfiguration::Defined;
                    }
                    ptr->mutex.unlock();
                    accessPointConfigurations.insert(iap_id, ptr);

                    locker.unlock();
                    emit configurationChanged(ptr);
                    locker.relock();
                }
            } else {
                IcdNetworkConfigurationPrivate *cpPriv = new IcdNetworkConfigurationPrivate;
                cpPriv->name = saved_iap.value("name").toString();
                if (cpPriv->name.isEmpty())
                    cpPriv->name = iap_id;
                cpPriv->isValid = true;
                cpPriv->id = iap_id;
                cpPriv->iap_type = iap_type;
                cpPriv->bearerType = bearerTypeFromIapType(iap_type);
                cpPriv->network_attrs = getNetworkAttrs(true, iap_id, iap_type, QString());
                cpPriv->service_id = saved_iap.value("service_id").toString();
                cpPriv->service_type = saved_iap.value("service_type").toString();
                if (iap_type.startsWith(QLatin1String("WLAN"))) {
                    QByteArray ssid = saved_iap.value("wlan_ssid").toByteArray();
                    if (ssid.isEmpty()) {
                        qWarning() << "Cannot get ssid for" << iap_id;
                    }
                    cpPriv->network_id = ssid;
                }
                cpPriv->type = QNetworkConfiguration::InternetAccessPoint;
                if (m_onlineIapId == iap_id) {
                    cpPriv->state = QNetworkConfiguration::Active;
                } else {
                    cpPriv->state = QNetworkConfiguration::Defined;
                }

                QNetworkConfigurationPrivatePointer ptr(cpPriv);
                accessPointConfigurations.insert(iap_id, ptr);

#ifdef BEARER_MANAGEMENT_DEBUG
                qDebug("IAP: %s, name: %s, added to known list", iap_id.toAscii().data(), cpPriv->name.toAscii().data());
#endif
                locker.unlock();
                emit configurationAdded(ptr);
                locker.relock();
            }
        } else {
            qWarning("IAP %s does not have \"type\" or \"name\" fields defined, skipping this IAP.", iap_id.toAscii().data());
        }
    } else {
#ifdef BEARER_MANAGEMENT_DEBUG
    qDebug() << "IAP" << iap_id << "already in db.";
#endif

    /* Check if the data in db changed and update configuration accordingly
     */
    QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(iap_id);
    if (ptr) {
        Maemo::IAPConf changed_iap(iap_id);
        QString iap_type = changed_iap.value("type").toString();
        bool update_needed = false; /* if IAP type or ssid changed, we need to change the state */

        QMutexLocker configLocker(&ptr->mutex);

        toIcdConfig(ptr)->network_attrs = getNetworkAttrs(true, iap_id, iap_type, QString());
        toIcdConfig(ptr)->service_id = changed_iap.value("service_id").toString();
        toIcdConfig(ptr)->service_type = changed_iap.value("service_type").toString();

        if (!iap_type.isEmpty()) {
            ptr->name = changed_iap.value("name").toString();
            if (ptr->name.isEmpty())
                ptr->name = iap_id;
            ptr->isValid = true;
            if (toIcdConfig(ptr)->iap_type != iap_type) {
                toIcdConfig(ptr)->iap_type = iap_type;
                ptr->bearerType = bearerTypeFromIapType(iap_type);
                update_needed = true;
            }
            if (iap_type.startsWith(QLatin1String("WLAN"))) {
                QByteArray ssid = changed_iap.value("wlan_ssid").toByteArray();
                if (ssid.isEmpty()) {
                    qWarning() << "Cannot get ssid for" << iap_id;
                }
                if (toIcdConfig(ptr)->network_id != ssid) {
                    toIcdConfig(ptr)->network_id = ssid;
                    update_needed = true;
                }
            }
        }

        if (update_needed) {
            ptr->type = QNetworkConfiguration::InternetAccessPoint;
            if (m_onlineIapId == iap_id) {
                if (ptr->state < QNetworkConfiguration::Active) {
                    ptr->state = QNetworkConfiguration::Active;

                    configLocker.unlock();
                    locker.unlock();
                    emit configurationChanged(ptr);
                    locker.relock();
                }
            } else if (ptr->state < QNetworkConfiguration::Defined) {
                ptr->state = QNetworkConfiguration::Defined;

                configLocker.unlock();
                locker.unlock();
                emit configurationChanged(ptr);
                locker.relock();
            }
        }
    } else {
        qWarning("Cannot find IAP %s from current configuration although it should be there.", iap_id.toAscii().data());
    }
    }
}

addSessionConfiguration()

void QIcdEngine::addSessionConfiguration ( QNetworkConfigurationPrivatePointer  ptr )

inline

Definition at line 125 of file qicdengine.h.

Referenced by QNetworkSessionPrivateImpl::stateChange(), and QNetworkSessionPrivateImpl::syncStateWithInterface().

    {
        QMutexLocker locker(&mutex);

        accessPointConfigurations.insert(ptr->id, ptr);

        locker.unlock();
        emit configurationAdded(ptr);
    }

asyncUpdateConfigurationsSlot

void QIcdEngine::asyncUpdateConfigurationsSlot ( QDBusMessage  msg )

privateslot

Definition at line 1064 of file qicdengine.cpp.

Referenced by cancelAsyncConfigurationUpdate(), and requestUpdate().

{
    QMutexLocker locker(&mutex);

    QList<QVariant> arguments = msg.arguments();
    uint icd_scan_status = arguments.takeFirst().toUInt();
    if (icd_scan_status == ICD_SCAN_COMPLETE) {
        m_typesToBeScanned.removeOne(arguments[6].toString());
        if (!m_typesToBeScanned.count()) {
            locker.unlock();
            finishAsyncConfigurationUpdate();
            locker.relock();
        }
    } else {
        Maemo::IcdScanResult scanResult;
        scanResult.status = icd_scan_status;
        scanResult.timestamp = arguments.takeFirst().toUInt();
        scanResult.scan.service_type = arguments.takeFirst().toString();
        scanResult.service_name = arguments.takeFirst().toString();
        scanResult.scan.service_attrs = arguments.takeFirst().toUInt();
        scanResult.scan.service_id = arguments.takeFirst().toString();
        scanResult.service_priority = arguments.takeFirst().toInt();
        scanResult.scan.network_type = arguments.takeFirst().toString();
        scanResult.network_name = arguments.takeFirst().toString();
        scanResult.scan.network_attrs = arguments.takeFirst().toUInt();
        scanResult.scan.network_id = arguments.takeFirst().toByteArray();
        scanResult.network_priority = arguments.takeFirst().toInt();
        scanResult.signal_strength = arguments.takeFirst().toInt();
        scanResult.station_id = arguments.takeFirst().toString();
        scanResult.signal_dB = arguments.takeFirst().toInt();

        m_scanResult.append(scanResult);
    }
}

cancelAsyncConfigurationUpdate()

void QIcdEngine::cancelAsyncConfigurationUpdate ( )

private

Definition at line 1030 of file qicdengine.cpp.

Referenced by finishAsyncConfigurationUpdate().

{
    if (!ensureDBusConnection())
        return;

    if (!m_scanGoingOn)
        return;

    m_scanGoingOn = false;

    if (m_scanTimer.isActive())
        m_scanTimer.stop();

    m_dbusInterface->connection().disconnect(ICD_DBUS_API_INTERFACE,
                                             ICD_DBUS_API_PATH,
                                             ICD_DBUS_API_INTERFACE,
                                             ICD_DBUS_API_SCAN_SIG,
                                             this, SLOT(asyncUpdateConfigurationsSlot(QDBusMessage)));

    // Stop scanning rounds by calling ICD_DBUS_API_SCAN_CANCEL
    // <=> If ICD_DBUS_API_SCAN_CANCEL is not called, new scanning round will
    //     be started after the module scan timeout.
    m_dbusInterface->call(ICD_DBUS_API_SCAN_CANCEL);
}

capabilities()

QNetworkConfigurationManager::Capabilities QIcdEngine::capabilities ( ) const

virtual

Implements QBearerEngine.

Definition at line 243 of file qicdengine.cpp.

{
    return QNetworkConfigurationManager::CanStartAndStopInterfaces |
           QNetworkConfigurationManager::DataStatistics |
           QNetworkConfigurationManager::ForcedRoaming |
           QNetworkConfigurationManager::NetworkSessionRequired;
}

changedSessionConfiguration()

void QIcdEngine::changedSessionConfiguration ( QNetworkConfigurationPrivatePointer  ptr )

inline

Definition at line 135 of file qicdengine.h.

Referenced by QNetworkSessionPrivateImpl::stateChange(), and QNetworkSessionPrivateImpl::syncStateWithInterface().

    {
        emit configurationChanged(ptr);
    }

cleanup()

void QIcdEngine::cleanup

(

)

Definition at line 1099 of file qicdengine.cpp.

Referenced by icdServiceOwnerChanged(), and ~QIcdEngine().

{
    if (m_scanGoingOn) {
        m_scanTimer.stop();
        m_dbusInterface->call(ICD_DBUS_API_SCAN_CANCEL);
    }
    if (iapMonitor)
        iapMonitor->cleanup();
}

configuration()

QNetworkConfigurationPrivatePointer QIcdEngine::configuration ( const QString &  id )

inline

Definition at line 118 of file qicdengine.h.

Referenced by QNetworkSessionPrivateImpl::stateChange().

    {
        QMutexLocker locker(&mutex);

        return accessPointConfigurations.value(id);
    }

connectionStateSignalsSlot

void QIcdEngine::connectionStateSignalsSlot ( QDBusMessage  msg )

privateslot

Definition at line 881 of file qicdengine.cpp.

Referenced by startListeningStateSignalsForAllConnections().

{
    QMutexLocker locker(&mutex);

    QList<QVariant> arguments = msg.arguments();
    if (arguments[1].toUInt() != 0 || arguments.count() < 8) {
        return;
    }

    QString iapid = arguments[5].toByteArray().data();
    uint icd_connection_state = arguments[7].toUInt();

    switch (icd_connection_state) {
    case ICD_STATE_CONNECTED:
        {
        QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(iapid);
        if (ptr) {
            QMutexLocker configLocker(&ptr->mutex);

            ptr->type = QNetworkConfiguration::InternetAccessPoint;
            if (ptr->state != QNetworkConfiguration::Active) {
                ptr->state = QNetworkConfiguration::Active;

                configLocker.unlock();
                locker.unlock();
                emit configurationChanged(ptr);
                locker.relock();

                m_onlineIapId = iapid;
            }
        } else {
            // This gets called when new WLAN IAP is created using Connection dialog
            // At this point Undefined WLAN configuration has SSID as iap id
            // => Because of that configuration can not be found from
            //    accessPointConfigurations using correct iap id
            m_onlineIapId = iapid;
        }
        break;
        }
    case ICD_STATE_DISCONNECTED:
        {
        QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(iapid);
        if (ptr) {
            QMutexLocker configLocker(&ptr->mutex);

            ptr->type = QNetworkConfiguration::InternetAccessPoint;
            if (ptr->state == QNetworkConfiguration::Active) {
                ptr->state = QNetworkConfiguration::Discovered;

                configLocker.unlock();
                locker.unlock();
                emit iapStateChanged(iapid, icd_connection_state);
                emit configurationChanged(ptr);
                locker.relock();

                // Note: If ICD switches used IAP from one to another:
                //       1) new IAP is reported to be online first
                //       2) old IAP is reported to be offline then
                // => Device can be reported to be offline only
                //    if last known online IAP is reported to be disconnected
                if (iapid == m_onlineIapId) {
                    // It's known that there is only one global ICD connection
                    // => Because ICD state was reported to be DISCONNECTED, Device is offline
                    m_onlineIapId.clear();
                }
            }
        } else {
            // Disconnected IAP was not found from accessPointConfigurations
            // => Reason: Online IAP was removed which resulted ICD to disconnect
            if (iapid == m_onlineIapId) {
                // It's known that there is only one global ICD connection
                // => Because ICD state was reported to be DISCONNECTED, Device is offline
                m_onlineIapId.clear();
            }
        }
        break;
        }
    default:
        break;
    }
    
    locker.unlock();
    emit iapStateChanged(iapid, icd_connection_state);
    locker.relock();
}

createSessionBackend()

QNetworkSessionPrivate * QIcdEngine::createSessionBackend ( )

virtual

Implements QBearerEngine.

Definition at line 1118 of file qicdengine.cpp.

{
    return new QNetworkSessionPrivateImpl(this);
}

defaultConfiguration()

QNetworkConfigurationPrivatePointer QIcdEngine::defaultConfiguration ( )

virtual

Implements QBearerEngine.

Definition at line 818 of file qicdengine.cpp.

{
    QMutexLocker locker(&mutex);

    if (!ensureDBusConnection())
        return QNetworkConfigurationPrivatePointer();

    // Here we just return [ANY] request to icd and let the icd decide which IAP to connect.
    return userChoiceConfigurations.value(OSSO_IAP_ANY);
}

deleteConfiguration()

void QIcdEngine::deleteConfiguration

(

const QString &

iap_id

)

Definition at line 343 of file qicdengine.cpp.

{
    QMutexLocker locker(&mutex);

    /* Called when IAPs are deleted in db, in this case we do not scan
     * or read all the IAPs from db because it might take too much power
     * (multiple applications would need to scan and read all IAPs from db)
     */
    QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.take(iap_id);
    if (ptr) {
#ifdef BEARER_MANAGEMENT_DEBUG
        qDebug() << "IAP" << iap_id << "was removed from storage.";
#endif

        locker.unlock();
        emit configurationRemoved(ptr);
    } else {
#ifdef BEARER_MANAGEMENT_DEBUG
        qDebug("IAP: %s, already missing from the known list", iap_id.toAscii().data());
#endif
    }
}

doRequestUpdate()

void QIcdEngine::doRequestUpdate ( QList< Maemo::IcdScanResult >  scanned = QList<Maemo::IcdScanResult>() )

private

Definition at line 563 of file qicdengine.cpp.

Referenced by ensureDBusConnection(), and finishAsyncConfigurationUpdate().

{
    /* Contains all known iap_ids from storage */
    QList<QString> knownConfigs = accessPointConfigurations.keys();

    /* Contains all known WLAN network ids (like ssid) from storage */
    QMultiHash<QByteArray, SSIDInfo* > notDiscoveredWLANConfigs;

    QList<QString> all_iaps;
    Maemo::IAPConf::getAll(all_iaps);

    foreach (const QString &iap_id, all_iaps) {
        QByteArray ssid;

        Maemo::IAPConf saved_ap(iap_id);
        bool is_temporary = saved_ap.value("temporary").toBool();
        if (is_temporary) {
#ifdef BEARER_MANAGEMENT_DEBUG
            qDebug() << "IAP" << iap_id << "is temporary, skipping it.";
#endif
            continue;
        }

        QString iap_type = saved_ap.value("type").toString();
        if (iap_type.startsWith(QLatin1String("WLAN"))) {
            ssid = saved_ap.value("wlan_ssid").toByteArray();
            if (ssid.isEmpty())
                continue;

            QString security_method = saved_ap.value("wlan_security").toString();
            SSIDInfo *info = new SSIDInfo;
            info->iap_id = iap_id;
            info->wlan_security = security_method;
                notDiscoveredWLANConfigs.insert(ssid, info);
        } else if (iap_type.isEmpty()) {
            continue;
        } else {
#ifdef BEARER_MANAGEMENT_DEBUG
            qDebug() << "IAP" << iap_id << "network type is" << iap_type;
#endif
            ssid.clear();
        }

        if (!accessPointConfigurations.contains(iap_id)) {
            IcdNetworkConfigurationPrivate *cpPriv = new IcdNetworkConfigurationPrivate;

            cpPriv->name = saved_ap.value("name").toString();
            if (cpPriv->name.isEmpty()) {
                if (!ssid.isEmpty() && ssid.size() > 0)
                    cpPriv->name = ssid.data();
                else
                    cpPriv->name = iap_id;
            }
            cpPriv->isValid = true;
            cpPriv->id = iap_id;
            cpPriv->network_id = ssid;
            cpPriv->network_attrs = getNetworkAttrs(true, iap_id, iap_type, QString());
            cpPriv->iap_type = iap_type;
            cpPriv->bearerType = bearerTypeFromIapType(iap_type);
            cpPriv->service_id = saved_ap.value("service_id").toString();
            cpPriv->service_type = saved_ap.value("service_type").toString();
            cpPriv->type = QNetworkConfiguration::InternetAccessPoint;
            cpPriv->state = QNetworkConfiguration::Defined;

            QNetworkConfigurationPrivatePointer ptr(cpPriv);
            accessPointConfigurations.insert(iap_id, ptr);

            mutex.unlock();
            emit configurationAdded(ptr);
            mutex.lock();

#ifdef BEARER_MANAGEMENT_DEBUG
            qDebug("IAP: %s, name: %s, ssid: %s, added to known list",
                   iap_id.toAscii().data(), ptr->name.toAscii().data(),
                   !ssid.isEmpty() ? ssid.data() : "-");
#endif
        } else {
            knownConfigs.removeOne(iap_id);
#ifdef BEARER_MANAGEMENT_DEBUG
            qDebug("IAP: %s, ssid: %s, already exists in the known list",
                   iap_id.toAscii().data(), !ssid.isEmpty() ? ssid.data() : "-");
#endif
        }
    }

    /* This is skipped in the first update as scanned size is zero */
    if (!scanned.isEmpty()) {
        for (int i=0; i<scanned.size(); ++i) {
            const Maemo::IcdScanResult ap = scanned.at(i);

            if (ap.scan.network_attrs & ICD_NW_ATTR_IAPNAME) {
                /* The network_id is IAP id, so the IAP is a known one */
                QString iapid = ap.scan.network_id.data();
                QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(iapid);
                if (ptr) {
                    bool changed = false;

                    ptr->mutex.lock();

                    if (!ptr->isValid) {
                        ptr->isValid = true;
                        changed = true;
                    }

                    /* If this config is the current active one, we do not set it
                     * to discovered.
                     */
                    if ((ptr->state != QNetworkConfiguration::Discovered) &&
                        (ptr->state != QNetworkConfiguration::Active)) {
                        ptr->state = QNetworkConfiguration::Discovered;
                        changed = true;
                    }

                    toIcdConfig(ptr)->network_attrs = ap.scan.network_attrs;
                    toIcdConfig(ptr)->service_id = ap.scan.service_id;
                    toIcdConfig(ptr)->service_type = ap.scan.service_type;
                    toIcdConfig(ptr)->service_attrs = ap.scan.service_attrs;

#ifdef BEARER_MANAGEMENT_DEBUG
                    qDebug("IAP: %s, ssid: %s, discovered",
                           iapid.toAscii().data(), toIcdConfig(ptr)->network_id.data());
#endif

                    ptr->mutex.unlock();

                    if (changed) {
                        mutex.unlock();
                        emit configurationChanged(ptr);
                        mutex.lock();
                    }

                    if (!ap.scan.network_type.startsWith(QLatin1String("WLAN")))
                        continue; // not a wlan AP

                    /* Remove scanned AP from discovered WLAN configurations so that we can
                     * emit configurationRemoved signal later
                     */
                    ptr->mutex.lock();
                    QList<SSIDInfo* > known_iaps = notDiscoveredWLANConfigs.values(toIcdConfig(ptr)->network_id);
rescan_list:
                    if (!known_iaps.isEmpty()) {
                        for (int k=0; k<known_iaps.size(); ++k) {
                            SSIDInfo *iap = known_iaps.at(k);

                            if (iap->wlan_security ==
                                network_attrs_to_security(ap.scan.network_attrs)) {
                                /* Remove IAP from the list */
                                notDiscoveredWLANConfigs.remove(toIcdConfig(ptr)->network_id, iap);
#ifdef BEARER_MANAGEMENT_DEBUG
                                qDebug() << "Removed IAP" << iap->iap_id << "from unknown config";
#endif
                                known_iaps.removeAt(k);
                                delete iap;
                                goto rescan_list;
                            }
                        }
                    }
                    ptr->mutex.unlock();
                }
            } else {
                /* Non saved access point data */
                QByteArray scanned_ssid = ap.scan.network_id;
                if (!accessPointConfigurations.contains(scanned_ssid)) {
                    IcdNetworkConfigurationPrivate *cpPriv = new IcdNetworkConfigurationPrivate;
                    QString hrs = scanned_ssid.data();

                    cpPriv->name = ap.network_name.isEmpty() ? hrs : ap.network_name;
                    cpPriv->isValid = true;
                    cpPriv->id = scanned_ssid.data();  // Note: id is now ssid, it should be set to IAP id if the IAP is saved
                    cpPriv->network_id = scanned_ssid;
                    cpPriv->iap_type = ap.scan.network_type;
                    cpPriv->bearerType = bearerTypeFromIapType(cpPriv->iap_type);
                    cpPriv->network_attrs = ap.scan.network_attrs;
                    cpPriv->service_id = ap.scan.service_id;
                    cpPriv->service_type = ap.scan.service_type;
                    cpPriv->service_attrs = ap.scan.service_attrs;

                    cpPriv->type = QNetworkConfiguration::InternetAccessPoint;
                    cpPriv->state = QNetworkConfiguration::Undefined;

#ifdef BEARER_MANAGEMENT_DEBUG
                    qDebug() << "IAP with network id" << cpPriv->id << "was found in the scan.";
#endif

                    QNetworkConfigurationPrivatePointer ptr(cpPriv);
                    accessPointConfigurations.insert(ptr->id, ptr);

                    mutex.unlock();
                    emit configurationAdded(ptr);
                    mutex.lock();
                } else {
                    knownConfigs.removeOne(scanned_ssid);
                }
            }
        }
    }

    if (!firstUpdate) {
        // Update Defined status to all defined WLAN IAPs which
        // could not be found when access points were scanned
        QHashIterator<QByteArray, SSIDInfo* > i(notDiscoveredWLANConfigs);
        while (i.hasNext()) {
            i.next();
            SSIDInfo *iap = i.value();
            QString iap_id = iap->iap_id;
            //qDebug() << i.key() << ": " << iap_id;

            QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(iap_id);
            if (ptr) {
                QMutexLocker configLocker(&ptr->mutex);

                // WLAN AccessPoint configuration could not be Discovered
                // => Make sure that configuration state is Defined
                if (ptr->state > QNetworkConfiguration::Defined) {
                    ptr->state = QNetworkConfiguration::Defined;

                    configLocker.unlock();
                    mutex.unlock();
                    emit configurationChanged(ptr);
                    mutex.lock();
                }
            }
        }

        /* Remove non existing iaps since last update */
        foreach (const QString &oldIface, knownConfigs) {
            QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.take(oldIface);
            if (ptr) {
                mutex.unlock();
                emit configurationRemoved(ptr);
                mutex.lock();
                //if we would have SNAP support we would have to remove the references
                //from existing ServiceNetworks to the removed access point configuration
            }
        }
    }

    QMutableHashIterator<QByteArray, SSIDInfo* > i(notDiscoveredWLANConfigs);
    while (i.hasNext()) {
        i.next();
        SSIDInfo *iap = i.value();
        delete iap;
        i.remove();
    }

    if (!firstUpdate) {
        mutex.unlock();
        emit updateCompleted();
        mutex.lock();
    }

    if (firstUpdate)
        firstUpdate = false;
}

ensureDBusConnection()

bool QIcdEngine::ensureDBusConnection ( )

private

Definition at line 251 of file qicdengine.cpp.

Referenced by cancelAsyncConfigurationUpdate(), defaultConfiguration(), icdServiceOwnerChanged(), initialize(), and requestUpdate().

{
    if (m_dbusInterface)
        return true;

    // Setup DBus Interface for ICD
    m_dbusInterface = new QDBusInterface(ICD_DBUS_API_INTERFACE,
                                         ICD_DBUS_API_PATH,
                                         ICD_DBUS_API_INTERFACE,
                                         QDBusConnection::systemBus(),
                                         this);

    if (!m_dbusInterface->isValid()) {
        delete m_dbusInterface;
        m_dbusInterface = 0;

        if (!m_icdServiceWatcher) {
            m_icdServiceWatcher = new QDBusServiceWatcher(ICD_DBUS_API_INTERFACE,
                                                          QDBusConnection::systemBus(),
                                                          QDBusServiceWatcher::WatchForOwnerChange,
                                                          this);

            connect(m_icdServiceWatcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)),
                    this, SLOT(icdServiceOwnerChanged(QString,QString,QString)));
        }

        return false;
    }

    connect(&m_scanTimer, SIGNAL(timeout()), this, SLOT(finishAsyncConfigurationUpdate()));
    m_scanTimer.setSingleShot(true);

    /* Turn on IAP state monitoring */
    startListeningStateSignalsForAllConnections();

    /* Turn on IAP add/remove monitoring */
    iapMonitor = new IapMonitor;
    iapMonitor->setup(this);

    /* We create a default configuration which is a pseudo config */
    QNetworkConfigurationPrivate *cpPriv = new IcdNetworkConfigurationPrivate;
    cpPriv->name = "UserChoice";
    cpPriv->state = QNetworkConfiguration::Discovered;
    cpPriv->isValid = true;
    cpPriv->id = OSSO_IAP_ANY;
    cpPriv->type = QNetworkConfiguration::UserChoice;
    cpPriv->purpose = QNetworkConfiguration::UnknownPurpose;
    cpPriv->roamingSupported = false;

    QNetworkConfigurationPrivatePointer ptr(cpPriv);
    userChoiceConfigurations.insert(cpPriv->id, ptr);

    doRequestUpdate();

    getIcdInitialState();

    return true;
}

finishAsyncConfigurationUpdate

void QIcdEngine::finishAsyncConfigurationUpdate ( )

privateslot

Definition at line 1055 of file qicdengine.cpp.

Referenced by asyncUpdateConfigurationsSlot(), and ensureDBusConnection().

{
    QMutexLocker locker(&mutex);

    cancelAsyncConfigurationUpdate();
    doRequestUpdate(m_scanResult);
    m_scanResult.clear();
}

getIcdInitialState()

void QIcdEngine::getIcdInitialState ( )

private

Definition at line 839 of file qicdengine.cpp.

Referenced by ensureDBusConnection().

{
    /* Instead of requesting ICD status asynchronously, we ask it synchronously.
     * It ensures that we always get right icd status BEFORE initialize() ends.
     * If not, initialize()  might end before we got icd status and
     * QNetworkConfigurationManager::updateConfigurations()
     * call from user might also end before receiving icd status.
     * In such case, we come up to a bug:
     * QNetworkConfigurationManagerPrivate::isOnline() will be false even
     * if we are connected.
     */
    Maemo::Icd icd;
    QList<Maemo::IcdStateResult> state_results;
    QNetworkConfigurationPrivatePointer ptr;

    if (icd.state(state_results) && !state_results.isEmpty()) {

        if (!(state_results.first().params.network_attrs == 0 &&
              state_results.first().params.network_id.isEmpty())) {

            switch (state_results.first().state) {
            case ICD_STATE_CONNECTED:
                m_onlineIapId = state_results.first().params.network_id;

                ptr = accessPointConfigurations.value(m_onlineIapId);
                if (ptr) {
                    QMutexLocker configLocker(&ptr->mutex);
                    ptr->state = QNetworkConfiguration::Active;
                    configLocker.unlock();

                    mutex.unlock();
                    emit configurationChanged(ptr);
                    mutex.lock();
                }
                break;
            default:
                break;
            }
        }
    }
}

hasIdentifier()

bool QIcdEngine::hasIdentifier ( const QString &  id )

virtual

Implements QBearerEngine.

Definition at line 1109 of file qicdengine.cpp.

Referenced by QNetworkSessionPrivateImpl::stateChange(), and QNetworkSessionPrivateImpl::syncStateWithInterface().

{
    QMutexLocker locker(&mutex);

    return accessPointConfigurations.contains(id) ||
           snapConfigurations.contains(id) ||
           userChoiceConfigurations.contains(id);
}

iapStateChanged

void QIcdEngine::iapStateChanged ( const QString &  iapid, uint  icd_connection_state  )

signal

Referenced by connectionStateSignalsSlot().

icdServiceOwnerChanged

void QIcdEngine::icdServiceOwnerChanged ( const QString &  serviceName, const QString &  oldOwner, const QString &  newOwner  )

privateslot

Definition at line 967 of file qicdengine.cpp.

Referenced by ensureDBusConnection().

{
    Q_UNUSED(serviceName);
    Q_UNUSED(oldOwner);

    QMutexLocker locker(&mutex);

    if (newOwner.isEmpty()) {
        // Disconnected from ICD, remove all configurations
        cleanup();
        delete iapMonitor;
        iapMonitor = 0;
        delete m_dbusInterface;
        m_dbusInterface = 0;

        QMutableHashIterator<QString, QNetworkConfigurationPrivatePointer> i(accessPointConfigurations);
        while (i.hasNext()) {
            i.next();

            QNetworkConfigurationPrivatePointer ptr = i.value();
            i.remove();

            locker.unlock();
            emit configurationRemoved(ptr);
            locker.relock();
        }

        userChoiceConfigurations.clear();
    } else {
        // Connected to ICD ensure connection.
        ensureDBusConnection();
    }
}

initialize()

void QIcdEngine::initialize

(

)

Definition at line 310 of file qicdengine.cpp.

{
    QMutexLocker locker(&mutex);

    if (!ensureDBusConnection()) {
        locker.unlock();
        emit updateCompleted();
        locker.relock();
    }
}

requestUpdate()

void QIcdEngine::requestUpdate

(

)

Definition at line 1002 of file qicdengine.cpp.

{
    QMutexLocker locker(&mutex);

    if (!ensureDBusConnection()) {
        locker.unlock();
        emit updateCompleted();
        locker.relock();
        return;
    }

    if (m_scanGoingOn)
        return;

    m_scanGoingOn = true;

    m_dbusInterface->connection().connect(ICD_DBUS_API_INTERFACE,
                                          ICD_DBUS_API_PATH,
                                          ICD_DBUS_API_INTERFACE,
                                          ICD_DBUS_API_SCAN_SIG,
                                          this, SLOT(asyncUpdateConfigurationsSlot(QDBusMessage)));

    QDBusMessage msg = m_dbusInterface->call(ICD_DBUS_API_SCAN_REQ,
                                             (uint)ICD_SCAN_REQUEST_ACTIVE);
    m_typesToBeScanned = msg.arguments()[0].value<QStringList>();
    m_scanTimer.start(ICD_SHORT_SCAN_TIMEOUT);
}

startListeningStateSignalsForAllConnections()

void QIcdEngine::startListeningStateSignalsForAllConnections ( )

private

Definition at line 829 of file qicdengine.cpp.

Referenced by ensureDBusConnection().

{
    // Start listening ICD_DBUS_API_STATE_SIG signals
    m_dbusInterface->connection().connect(ICD_DBUS_API_INTERFACE,
                                          ICD_DBUS_API_PATH,
                                          ICD_DBUS_API_INTERFACE,
                                          ICD_DBUS_API_STATE_SIG,
                                          this, SLOT(connectionStateSignalsSlot(QDBusMessage)));
}

Properties

firstUpdate

bool QIcdEngine::firstUpdate

private

Definition at line 171 of file qicdengine.h.

Referenced by doRequestUpdate().

iapMonitor

IapMonitor* QIcdEngine::iapMonitor

private

Definition at line 162 of file qicdengine.h.

Referenced by cleanup(), ensureDBusConnection(), icdServiceOwnerChanged(), and ~QIcdEngine().

m_dbusInterface

QDBusInterface* QIcdEngine::m_dbusInterface

private

Definition at line 163 of file qicdengine.h.

Referenced by cancelAsyncConfigurationUpdate(), cleanup(), ensureDBusConnection(), icdServiceOwnerChanged(), requestUpdate(), and startListeningStateSignalsForAllConnections().

m_icdServiceWatcher

QDBusServiceWatcher* QIcdEngine::m_icdServiceWatcher

private

Definition at line 169 of file qicdengine.h.

Referenced by ensureDBusConnection().

m_onlineIapId

QString QIcdEngine::m_onlineIapId

private

Definition at line 165 of file qicdengine.h.

Referenced by addConfiguration(), connectionStateSignalsSlot(), and getIcdInitialState().

m_scanGoingOn

bool QIcdEngine::m_scanGoingOn

private

Definition at line 172 of file qicdengine.h.

Referenced by cancelAsyncConfigurationUpdate(), cleanup(), and requestUpdate().

m_scanResult

QList<Maemo::IcdScanResult> QIcdEngine::m_scanResult

private

Definition at line 167 of file qicdengine.h.

Referenced by asyncUpdateConfigurationsSlot(), and finishAsyncConfigurationUpdate().

m_scanTimer

QTimer QIcdEngine::m_scanTimer

private

Definition at line 164 of file qicdengine.h.

Referenced by cancelAsyncConfigurationUpdate(), cleanup(), ensureDBusConnection(), and requestUpdate().

m_typesToBeScanned

QStringList QIcdEngine::m_typesToBeScanned

private

Definition at line 166 of file qicdengine.h.

Referenced by asyncUpdateConfigurationsSlot(), and requestUpdate().

---

The documentation for this class was generated from the following files:

• /src/plugins/bearer/icd/qicdengine.h
• /src/plugins/bearer/icd/qicdengine.cpp