C++ Sequence::prepend方法代码示例

void ChatServer::startServer(const QBluetoothAddress& localAdapter)
{
    if (rfcommServer)
        return;

    rfcommServer = new QBluetoothServer(QBluetoothServiceInfo::RfcommProtocol, this);
    connect(rfcommServer, SIGNAL(newConnection()), this, SLOT(clientConnected()));
    bool result = rfcommServer->listen(localAdapter);
    if (!result) {
        qWarning() << "Cannot bind chat server to" << localAdapter.toString();
        return;
    }

    //serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceRecordHandle, (uint)0x00010010);

    QBluetoothServiceInfo::Sequence classId;

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

    classId.prepend(QVariant::fromValue(QBluetoothUuid(serviceUuid)));

    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classId);
    serviceInfo.setAttribute(QBluetoothServiceInfo::BluetoothProfileDescriptorList,classId);

    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceName, tr("Bt Chat Server"));
    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceDescription,
                             tr("Example bluetooth chat server"));
    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceProvider, tr("qt-project.org"));

    serviceInfo.setServiceUuid(QBluetoothUuid(serviceUuid));

    QBluetoothServiceInfo::Sequence publicBrowse;
    publicBrowse << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup));
    serviceInfo.setAttribute(QBluetoothServiceInfo::BrowseGroupList,
                             publicBrowse);

    QBluetoothServiceInfo::Sequence protocolDescriptorList;
    QBluetoothServiceInfo::Sequence protocol;
    protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::L2cap));
    protocolDescriptorList.append(QVariant::fromValue(protocol));
    protocol.clear();
    protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::Rfcomm))
             << QVariant::fromValue(quint8(rfcommServer->serverPort()));
    protocolDescriptorList.append(QVariant::fromValue(protocol));
    serviceInfo.setAttribute(QBluetoothServiceInfo::ProtocolDescriptorList,
                             protocolDescriptorList);

    serviceInfo.registerService(localAdapter);
}

/**
 * @brief startServer
 * @param _localAdapter
 */
void server_unit::startServer( const QBluetoothAddress &_localAdapter ) {
    if( mRfcommServer ) {
        return;
    }

   // Create the server
    mRfcommServer = new QBluetoothServer( QBluetoothServiceInfo::RfcommProtocol, this );
    this->connect( mRfcommServer, SIGNAL(newConnection()),
                   this, SLOT(clientConnected_slot()) );
    bool result = mRfcommServer->listen( _localAdapter );
    if( !result ) {
        emit dbgMsg_signal("[SU] Cannot bind RFCOMM server to local adapter \n");
    }


    // Set service info
    mServiceInfo.setAttribute(QBluetoothServiceInfo::ServiceName, tr("Crichton Server"));
    mServiceInfo.setAttribute(QBluetoothServiceInfo::ServiceDescription, tr("Control machine service"));
    mServiceInfo.setAttribute(QBluetoothServiceInfo::ServiceProvider, tr("golems.org"));
    QBluetoothServiceInfo::Sequence publicBrowse;
    publicBrowse << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup));
    mServiceInfo.setAttribute(QBluetoothServiceInfo::BrowseGroupList, publicBrowse);

    QBluetoothServiceInfo::Sequence classId;

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

    classId.prepend(QVariant::fromValue(QBluetoothUuid(serviceUuid)));

    mServiceInfo.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classId);
    mServiceInfo.setAttribute(QBluetoothServiceInfo::BluetoothProfileDescriptorList,classId);

    mServiceInfo.setServiceUuid(QBluetoothUuid(serviceUuid));


    QBluetoothServiceInfo::Sequence protocolDescriptorList;
    QBluetoothServiceInfo::Sequence protocol;
    protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::L2cap));
    protocolDescriptorList.append(QVariant::fromValue(protocol));
    protocol.clear();
    protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::Rfcomm))
             << QVariant::fromValue(quint8(mRfcommServer->serverPort()));
    protocolDescriptorList.append(QVariant::fromValue(protocol));
    mServiceInfo.setAttribute(QBluetoothServiceInfo::ProtocolDescriptorList,
                             protocolDescriptorList);

    mServiceInfo.registerService( _localAdapter );

}

void tst_QBluetoothServiceInfo::tst_serviceClassUuids()
{
    QBluetoothServiceInfo info;
    QCOMPARE(info.serviceClassUuids().count(), 0);

    QBluetoothServiceInfo::Sequence classIds;
    classIds << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::SerialPort));
    QCOMPARE(classIds.count(), 1);

    QBluetoothUuid uuid(QString("e8e10f95-1a70-4b27-9ccf-02010264e9c8"));
    classIds.prepend(QVariant::fromValue(uuid));
    QCOMPARE(classIds.count(), 2);
    QCOMPARE(classIds.at(0).value<QBluetoothUuid>(), uuid);

    info.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classIds);
    QList<QBluetoothUuid> svclids = info.serviceClassUuids();
    QCOMPARE(svclids.count(), 2);
    QCOMPARE(svclids.at(0), uuid);
    QCOMPARE(svclids.at(1), QBluetoothUuid(QBluetoothUuid::SerialPort));
}

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;
//.........这里部分代码省略.........

int Main::buttonClicked() {
    QList<QBluetoothHostInfo> localAdapters = QBluetoothLocalDevice::allDevices();
    printf("%s - localAdapters.count=%d\n", __func__, localAdapters.count());
    for(int i = 0; i < localAdapters.size(); i++) {
        qDebug() <<  __func__ << " - adapter: " <<  i <<
            " " << localAdapters[i].name().toUtf8().constData() <<
            " " << localAdapters[i].address().toString();
    }

    if (localAdapters.size() < 1) {
        qDebug() << __func__ << " no bluetooth found";
        return -1;
    }


    QBluetoothLocalDevice adapter(localAdapters.at(0).address());
    adapter.setHostMode(QBluetoothLocalDevice::HostDiscoverable);

    QBluetoothServer *rfcommServer = new QBluetoothServer(QBluetoothServiceInfo::RfcommProtocol, NULL);
    connect(rfcommServer, SIGNAL(newConnection()), this, SLOT(clientConnected()));

    QBluetoothAddress actualAddress = localAdapters[0].address();
    printf("%s - QBluetoothServer - starting to listen at %s\n", __func__,
           actualAddress.toString().toUtf8().constData());
    bool result = rfcommServer->listen(actualAddress);
    if (!result) {
        qDebug() <<  __func__ << "-" << result;
        return -1;
    }

    //! [Get local device name]
    QString localName = QBluetoothLocalDevice().name();
    qDebug() << "local device name" << localName;

    //result = serviceInfo.registerService(/*actualAddress*/);

#pragma region Attributes
    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceRecordHandle, (uint)0x00010010);

    //! [Class Uuuid must contain at least 1 entry]
    QBluetoothServiceInfo::Sequence classId;

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

    printf("%s - done %d\n", __func__, 1);

    classId.prepend(QVariant::fromValue(QBluetoothUuid(serviceUuid)));

    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceClassIds, classId);
    serviceInfo.setAttribute(QBluetoothServiceInfo::BluetoothProfileDescriptorList,classId);
    //! [Class Uuuid must contain at least 1 entry]


    printf("%s - done %d\n", __func__, 2);
    //! [Service name, description and provider]
    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceName, tr("Bt Chat Server"));
    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceDescription,
                             tr("Example bluetooth chat server"));
    serviceInfo.setAttribute(QBluetoothServiceInfo::ServiceProvider, tr("qt-project.org"));
    //! [Service name, description and provider]

    //! [Service UUID set]
    serviceInfo.setServiceUuid(QBluetoothUuid(serviceUuid));
    //! [Service UUID set]


    printf("%s - done %d\n", __func__, 3);
    //! [Service Discoverability]
    QBluetoothServiceInfo::Sequence publicBrowse;
    publicBrowse << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup));
    serviceInfo.setAttribute(QBluetoothServiceInfo::BrowseGroupList,
                             publicBrowse);
    //! [Service Discoverability]

    printf("%s - done %d\n", __func__, 4);
    //! [Protocol descriptor list]
    QBluetoothServiceInfo::Sequence protocolDescriptorList;
    QBluetoothServiceInfo::Sequence protocol;
    protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::L2cap));
    protocolDescriptorList.append(QVariant::fromValue(protocol));
    protocol.clear();
    protocol << QVariant::fromValue(QBluetoothUuid(QBluetoothUuid::Rfcomm))
             << QVariant::fromValue(quint8(rfcommServer->serverPort()));
    protocolDescriptorList.append(QVariant::fromValue(protocol));
    serviceInfo.setAttribute(QBluetoothServiceInfo::ProtocolDescriptorList,
                             protocolDescriptorList);
    //! [Protocol descriptor list]

    printf("%s - done %d\n", __func__, 5);
    //! [Register service]
    result = serviceInfo.registerService(actualAddress);
    if (!result) {
        printf("%s - registering with SDP failed\n", __func__);
        return -1;
    }
    //! [Register service]
#pragma endregion

//.........这里部分代码省略.........