QDBusMessage qDBusPropertySet(const QDBusConnectionPrivate::ObjectTreeNode &node,
                              const QDBusMessage &msg)
{
    Q_ASSERT(msg.arguments().count() == 3);
    Q_ASSERT_X(!node.obj || QThread::currentThread() == node.obj->thread(),
               "QDBusConnection: internal threading error",
               "function called for an object that is in another thread!!");

    QString interface_name = msg.arguments().at(0).toString();
    QByteArray property_name = msg.arguments().at(1).toString().toUtf8();
    QVariant value = qvariant_cast<QDBusVariant>(msg.arguments().at(2)).variant();

    QDBusAdaptorConnector *connector;
    if (node.flags & QDBusConnection::ExportAdaptors &&
        (connector = qDBusFindAdaptorConnector(node.obj))) {

        // find the class that implements interface_name or try until we've found the property
        // in case of an empty interface
        if (interface_name.isEmpty()) {
            for (QDBusAdaptorConnector::AdaptorMap::ConstIterator it = connector->adaptors.constBegin(),
                 end = connector->adaptors.constEnd(); it != end; ++it) {
                int status = writeProperty(it->adaptor, property_name, value);
                if (status == PropertyNotFound)
                    continue;
                return propertyWriteReply(msg, interface_name, property_name, status);
            }
        } else {
            QDBusAdaptorConnector::AdaptorMap::ConstIterator it;
            it = qLowerBound(connector->adaptors.constBegin(), connector->adaptors.constEnd(),
                             interface_name);
            if (it != connector->adaptors.end() && interface_name == QLatin1String(it->interface)) {
                return propertyWriteReply(msg, interface_name, property_name,
                                          writeProperty(it->adaptor, property_name, value));
            }
        }
    }

    if (node.flags & (QDBusConnection::ExportScriptableProperties |
                      QDBusConnection::ExportNonScriptableProperties)) {
        // try the object itself
        bool interfaceFound = true;
        if (!interface_name.isEmpty())
            interfaceFound = qDBusInterfaceInObject(node.obj, interface_name);

        if (interfaceFound) {
            return propertyWriteReply(msg, interface_name, property_name,
                                      writeProperty(node.obj, property_name, value, node.flags));
        }
    }

    // the property was not found
    if (!interface_name.isEmpty())
        return interfaceNotFoundError(msg, interface_name);
    return propertyWriteReply(msg, interface_name, property_name, PropertyNotFound);
}
QDBusMessage qDBusPropertyGetAll(const QDBusConnectionPrivate::ObjectTreeNode &node,
                                 const QDBusMessage &msg)
{
    Q_ASSERT(msg.arguments().count() == 1);
    Q_ASSERT_X(!node.obj || QThread::currentThread() == node.obj->thread(),
               "QDBusConnection: internal threading error",
               "function called for an object that is in another thread!!");

    QString interface_name = msg.arguments().at(0).toString();

    bool interfaceFound = false;
    QVariantMap result;

    QDBusAdaptorConnector *connector;
    if (node.flags & QDBusConnection::ExportAdaptors &&
        (connector = qDBusFindAdaptorConnector(node.obj))) {

        if (interface_name.isEmpty()) {
            // iterate over all interfaces
            for (QDBusAdaptorConnector::AdaptorMap::ConstIterator it = connector->adaptors.constBegin(),
                 end = connector->adaptors.constEnd(); it != end; ++it) {
                result += readAllProperties(it->adaptor, QDBusConnection::ExportAllProperties);
            }
        } else {
            // find the class that implements interface_name
            QDBusAdaptorConnector::AdaptorMap::ConstIterator it;
            it = qLowerBound(connector->adaptors.constBegin(), connector->adaptors.constEnd(),
                             interface_name);
            if (it != connector->adaptors.constEnd() && interface_name == QLatin1String(it->interface)) {
                interfaceFound = true;
                result = readAllProperties(it->adaptor, QDBusConnection::ExportAllProperties);
            }
        }
    }

    if (node.flags & QDBusConnection::ExportAllProperties &&
        (!interfaceFound || interface_name.isEmpty())) {
        // try the object itself
        result += readAllProperties(node.obj, node.flags);
        interfaceFound = true;
    }

    if (!interfaceFound && !interface_name.isEmpty()) {
        // the interface was not found
        return interfaceNotFoundError(msg, interface_name);
    }

    return msg.createReply(QVariant::fromValue(result));
}
QDBusMessage qDBusPropertyGet(const QDBusConnectionPrivate::ObjectTreeNode &node,
                              const QDBusMessage &msg)
{
    Q_ASSERT(msg.arguments().count() == 2);
    Q_ASSERT_X(!node.obj || QThread::currentThread() == node.obj->thread(),
               "QDBusConnection: internal threading error",
               "function called for an object that is in another thread!!");

    QString interface_name = msg.arguments().at(0).toString();
    QByteArray property_name = msg.arguments().at(1).toString().toUtf8();

    QDBusAdaptorConnector *connector;
    QVariant value;
    bool interfaceFound = false;
    if (node.flags & QDBusConnection::ExportAdaptors &&
        (connector = qDBusFindAdaptorConnector(node.obj))) {

        // find the class that implements interface_name or try until we've found the property
        // in case of an empty interface
        if (interface_name.isEmpty()) {
            for (QDBusAdaptorConnector::AdaptorMap::ConstIterator it = connector->adaptors.constBegin(),
                 end = connector->adaptors.constEnd(); it != end; ++it) {
                const QMetaObject *mo = it->adaptor->metaObject();
                int pidx = mo->indexOfProperty(property_name);
                if (pidx != -1) {
                    value = mo->property(pidx).read(it->adaptor);
                    break;
                }
            }
        } else {
            QDBusAdaptorConnector::AdaptorMap::ConstIterator it;
            it = qLowerBound(connector->adaptors.constBegin(), connector->adaptors.constEnd(),
                             interface_name);
            if (it != connector->adaptors.constEnd() && interface_name == QLatin1String(it->interface)) {
                interfaceFound = true;
                value = it->adaptor->property(property_name);
            }
        }
    }

    if (!interfaceFound && !value.isValid()
        && node.flags & (QDBusConnection::ExportAllProperties |
                         QDBusConnection::ExportNonScriptableProperties)) {
        // try the object itself
        if (!interface_name.isEmpty())
            interfaceFound = qDBusInterfaceInObject(node.obj, interface_name);

        if (interfaceFound) {
            int pidx = node.obj->metaObject()->indexOfProperty(property_name);
            if (pidx != -1) {
                QMetaProperty mp = node.obj->metaObject()->property(pidx);
                if ((mp.isScriptable() && (node.flags & QDBusConnection::ExportScriptableProperties)) ||
                    (!mp.isScriptable() && (node.flags & QDBusConnection::ExportNonScriptableProperties)))
                    value = mp.read(node.obj);
            }
        }
    }

    if (!value.isValid()) {
        // the property was not found
        if (!interfaceFound)
            return interfaceNotFoundError(msg, interface_name);
        return propertyNotFoundError(msg, interface_name, property_name);
    }

    return msg.createReply(QVariant::fromValue(QDBusVariant(value)));
}