Exemplo n.º 1
0
static void writeAttribute(QXmlStreamWriter *stream, const QVariant &attribute)
{
    const QString unsignedFormat(QStringLiteral("0x%1"));

    switch (int(attribute.type())) {
    case QMetaType::Void:
        stream->writeEmptyElement(QStringLiteral("nil"));
        break;
    case QMetaType::UChar:
        stream->writeEmptyElement(QStringLiteral("uint8"));
        stream->writeAttribute(QStringLiteral("value"),
                               unsignedFormat.arg(attribute.value<quint8>(), 2, 16,
                                                  QLatin1Char('0')));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
    case QMetaType::UShort:
        stream->writeEmptyElement(QStringLiteral("uint16"));
        stream->writeAttribute(QStringLiteral("value"),
                               unsignedFormat.arg(attribute.value<quint16>(), 4, 16,
                                                  QLatin1Char('0')));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
    case QMetaType::UInt:
        stream->writeEmptyElement(QStringLiteral("uint32"));
        stream->writeAttribute(QStringLiteral("value"),
                               unsignedFormat.arg(attribute.value<quint32>(), 8, 16,
                                                  QLatin1Char('0')));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
    case QMetaType::Char:
        stream->writeEmptyElement(QStringLiteral("int8"));
        stream->writeAttribute(QStringLiteral("value"),
                               QString::number(attribute.value<uchar>(), 16));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
    case QMetaType::Short:
        stream->writeEmptyElement(QStringLiteral("int16"));
        stream->writeAttribute(QStringLiteral("value"),
                               QString::number(attribute.value<qint16>(), 16));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
    case QMetaType::Int:
        stream->writeEmptyElement(QStringLiteral("int32"));
        stream->writeAttribute(QStringLiteral("value"),
                               QString::number(attribute.value<qint32>(), 16));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
    case QMetaType::QString:
        stream->writeEmptyElement(QStringLiteral("text"));
        if (/* require hex encoding */ false) {
            stream->writeAttribute(QStringLiteral("value"), QString::fromLatin1(
                                       attribute.value<QString>().toUtf8().toHex().constData()));
            stream->writeAttribute(QStringLiteral("encoding"), QStringLiteral("hex"));
        } else {
            stream->writeAttribute(QStringLiteral("value"), attribute.value<QString>());
            stream->writeAttribute(QStringLiteral("encoding"), QStringLiteral("normal"));
        }
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
            case QMetaType::Bool:
        stream->writeEmptyElement(QStringLiteral("boolean"));
        if (attribute.value<bool>())
            stream->writeAttribute(QStringLiteral("value"), QStringLiteral("true"));
        else
            stream->writeAttribute(QStringLiteral("value"), QStringLiteral("false"));
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
            case QMetaType::QUrl:
        stream->writeEmptyElement(QStringLiteral("url"));
        stream->writeAttribute(QStringLiteral("value"), attribute.value<QUrl>().toString());
        //stream->writeAttribute(QStringLiteral("name"), foo);
        break;
            case QVariant::UserType:
        if (attribute.userType() == qMetaTypeId<QBluetoothUuid>()) {
            stream->writeEmptyElement(QStringLiteral("uuid"));

            QBluetoothUuid uuid = attribute.value<QBluetoothUuid>();
            switch (uuid.minimumSize()) {
            case 0:
                stream->writeAttribute(QStringLiteral("value"),
                                       unsignedFormat.arg(quint16(0), 4, 16, QLatin1Char('0')));
                break;
            case 2:
                stream->writeAttribute(QStringLiteral("value"),
                                       unsignedFormat.arg(uuid.toUInt16(), 4, 16,
                                                          QLatin1Char('0')));
                break;
            case 4:
                stream->writeAttribute(QStringLiteral("value"),
                                       unsignedFormat.arg(uuid.toUInt32(), 8, 16,
                                                          QLatin1Char('0')));
                break;
            case 16:
                stream->writeAttribute(QStringLiteral("value"), uuid.toString().mid(1, 36));
                break;
            default:
                stream->writeAttribute(QStringLiteral("value"), uuid.toString().mid(1, 36));
            }
        } else if (attribute.userType() == qMetaTypeId<QBluetoothServiceInfo::Sequence>()) {
            stream->writeStartElement(QStringLiteral("sequence"));
            const QBluetoothServiceInfo::Sequence *sequence =
                    static_cast<const QBluetoothServiceInfo::Sequence *>(attribute.data());
            foreach (const QVariant &v, *sequence)
                writeAttribute(stream, v);
            stream->writeEndElement();
        } else if (attribute.userType() == qMetaTypeId<QBluetoothServiceInfo::Alternative>()) {
void QBluetoothServiceDiscoveryAgentPrivate::populateDiscoveredServices(const QBluetoothDeviceInfo &remoteDevice, const QList<QBluetoothUuid> &uuids)
{
    /* Android doesn't provide decent SDP data. A list of uuids is close to meaning-less
     *
     * The following approach is chosen:
     * - If we see an SPP service class and we see
     * one or more custom uuids we match them up. Such services will always be SPP services.
     * - If we see a custom uuid but no SPP uuid then we return
     * BluetoothServiceInfo instance with just a servuceUuid (no service class set)
     * - Any other service uuid will stand on its own.
     * */

    Q_Q(QBluetoothServiceDiscoveryAgent);

    //find SPP and custom uuid
    QBluetoothUuid uuid;
    int sppIndex = -1;
    QVector<int> customUuids;

    for (int i = 0; i < uuids.count(); i++) {
        uuid = uuids.at(i);

        if (uuid.isNull())
            continue;

        //check for SPP protocol
        bool ok = false;
        quint16 uuid16 = uuid.toUInt16(&ok);
        if (ok && uuid16 == QBluetoothUuid::SerialPort)
            sppIndex = i;

        //check for custom uuid
        if (uuid.minimumSize() == 16)
            customUuids.append(i);
    }

    for (int i = 0; i < uuids.count(); i++) {
        if (i == sppIndex && !customUuids.isEmpty())
            continue;

        QBluetoothServiceInfo serviceInfo;
        serviceInfo.setDevice(remoteDevice);

        QBluetoothServiceInfo::Sequence protocolDescriptorList;
        {
            QBluetoothServiceInfo::Sequence protocol;
            protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::L2cap));
            protocolDescriptorList.append(QVariant::fromValue(protocol));
        }

        if (customUuids.contains(i) && sppIndex > -1) {
            //we have a custom uuid of service class type SPP

            //set rfcomm protocol
            QBluetoothServiceInfo::Sequence protocol;
            protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::Rfcomm))
                     << QVariant::fromValue(0);
            protocolDescriptorList.append(QVariant::fromValue(protocol));

            //set SPP service class uuid
            QBluetoothServiceInfo::Sequence classId;
            classId << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::SerialPort));
            serviceInfo.setAttribute(QBluetoothServiceInfo::BluetoothProfileDescriptorList,
                                     classId);
            classId.prepend(QVariant::fromValue(uuids.at(i)));
            serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classId);

            serviceInfo.setServiceName(QBluetoothServiceDiscoveryAgent::tr("Serial Port Profile"));
            serviceInfo.setServiceUuid(uuids.at(i));
        } else if (sppIndex == i && customUuids.isEmpty()) {
            //set rfcomm protocol
            QBluetoothServiceInfo::Sequence protocol;
            protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::Rfcomm))
                     << QVariant::fromValue(0);
            protocolDescriptorList.append(QVariant::fromValue(protocol));

            QBluetoothServiceInfo::Sequence classId;
            classId << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::SerialPort));
            serviceInfo.setAttribute(QBluetoothServiceInfo::BluetoothProfileDescriptorList,
                                     classId);

            //also we need to set the custom uuid to the SPP uuid
            //otherwise QBluetoothSocket::connectToService() would fail due to a missing service uuid
            serviceInfo.setServiceUuid(uuids.at(i));
        } else if (customUuids.contains(i)) {
            //custom uuid but no serial port
            serviceInfo.setServiceUuid(uuids.at(i));
        }

        //Check if the UUID is in the uuidFilter
        if (!uuidFilter.isEmpty() && !uuidFilter.contains(serviceInfo.serviceUuid()))
            continue;

        serviceInfo.setAttribute(QBluetoothServiceInfo::ProtocolDescriptorList, protocolDescriptorList);
        serviceInfo.setAttribute(QBluetoothServiceInfo::BrowseGroupList,
                                 QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup));

        if (!customUuids.contains(i)) {
            //if we don't have custom uuid use it as class id as well
            QBluetoothServiceInfo::Sequence classId;
            classId << QVariant::fromValue(uuids.at(i));
            serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classId);
            QBluetoothUuid::ServiceClassUuid clsId
                = static_cast<QBluetoothUuid::ServiceClassUuid>(uuids.at(i).toUInt16());
            serviceInfo.setServiceName(QBluetoothUuid::serviceClassToString(clsId));
        }

        //don't include the service if we already discovered it before
        if (!isDuplicatedService(serviceInfo)) {
            discoveredServices << serviceInfo;
            //qCDebug(QT_BT_ANDROID) << serviceInfo;
            emit q->serviceDiscovered(serviceInfo);
        }
    }
}
Exemplo n.º 3
0
static void dumpAttributeVariant(QDebug dbg, const QVariant &var, const QString& indent)
{
    switch (int(var.type())) {
    case QMetaType::Void:
        dbg << QString::asprintf("%sEmpty\n", indent.toUtf8().constData());
        break;
    case QMetaType::UChar:
        dbg << QString::asprintf("%suchar %u\n", indent.toUtf8().constData(), var.toUInt());
        break;
    case QMetaType::UShort:
        dbg << QString::asprintf("%sushort %u\n", indent.toUtf8().constData(), var.toUInt());
        break;
    case QMetaType::UInt:
        dbg << QString::asprintf("%suint %u\n", indent.toUtf8().constData(), var.toUInt());
        break;
    case QMetaType::Char:
        dbg << QString::asprintf("%schar %d\n", indent.toUtf8().constData(), var.toInt());
        break;
    case QMetaType::Short:
        dbg << QString::asprintf("%sshort %d\n", indent.toUtf8().constData(), var.toInt());
        break;
    case QMetaType::Int:
        dbg << QString::asprintf("%sint %d\n", indent.toUtf8().constData(), var.toInt());
        break;
    case QMetaType::QString:
        dbg << QString::asprintf("%sstring %s\n", indent.toUtf8().constData(),
                                 var.toString().toUtf8().constData());
        break;
    case QMetaType::Bool:
        dbg << QString::asprintf("%sbool %d\n", indent.toUtf8().constData(), var.toBool());
        break;
    case QMetaType::QUrl:
        dbg << QString::asprintf("%surl %s\n", indent.toUtf8().constData(),
                                 var.toUrl().toString().toUtf8().constData());
        break;
    case QVariant::UserType:
        if (var.userType() == qMetaTypeId<QBluetoothUuid>()) {
            QBluetoothUuid uuid = var.value<QBluetoothUuid>();
            switch (uuid.minimumSize()) {
            case 0:
                dbg << QString::asprintf("%suuid NULL\n", indent.toUtf8().constData());
                break;
            case 2:
                dbg << QString::asprintf("%suuid2 %04x\n", indent.toUtf8().constData(),
                                         uuid.toUInt16());
                break;
            case 4:
                dbg << QString::asprintf("%suuid %08x\n", indent.toUtf8().constData(),
                                         uuid.toUInt32());
                break;
            case 16:
                dbg << QString::asprintf("%suuid %s\n",
                            indent.toUtf8().constData(),
                            QByteArray(reinterpret_cast<const char *>(uuid.toUInt128().data), 16).toHex().constData());
                break;
            default:
                dbg << QString::asprintf("%suuid ???\n", indent.toUtf8().constData());
            }
        } else if (var.userType() == qMetaTypeId<QBluetoothServiceInfo::Sequence>()) {
            dbg << QString::asprintf("%sSequence\n", indent.toUtf8().constData());
            const QBluetoothServiceInfo::Sequence *sequence = static_cast<const QBluetoothServiceInfo::Sequence *>(var.data());
            foreach (const QVariant &v, *sequence)
                dumpAttributeVariant(dbg, v, indent + QLatin1Char('\t'));
        } else if (var.userType() == qMetaTypeId<QBluetoothServiceInfo::Alternative>()) {