qbluetoothserviceinfo.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qbluetoothserviceinfo.h"
#include "qbluetoothserviceinfo_p.h"
 
#include <QUrl>
 
QT_BEGIN_NAMESPACE
 
QT_IMPL_METATYPE_EXTERN(QBluetoothServiceInfo)
QT_IMPL_METATYPE_EXTERN_TAGGED(QBluetoothServiceInfo::Sequence, QBluetoothServiceInfo__Sequence)
QT_IMPL_METATYPE_EXTERN_TAGGED(QBluetoothServiceInfo::Alternative,
                               QBluetoothServiceInfo__Alternative)
 
 
bool QBluetoothServiceInfo::isRegistered() const
{
    return d_ptr->isRegistered();
}
 
bool QBluetoothServiceInfo::registerService(const QBluetoothAddress &localAdapter)
{
#ifdef QT_OSX_BLUETOOTH
    Q_UNUSED(localAdapter);
    return d_ptr->registerService(*this);
#else
    return d_ptr->registerService(localAdapter);
#endif
}
 
bool QBluetoothServiceInfo::unregisterService()
{
    return d_ptr->unregisterService();
}
 
 
QBluetoothServiceInfo::QBluetoothServiceInfo()
    : d_ptr(QSharedPointer<QBluetoothServiceInfoPrivate>::create())
{
    qRegisterMetaType<QBluetoothServiceInfo>();
}
 
QBluetoothServiceInfo::QBluetoothServiceInfo(const QBluetoothServiceInfo &other)
    : d_ptr(other.d_ptr)
{
}
 
QBluetoothServiceInfo::~QBluetoothServiceInfo()
{
}
 
bool QBluetoothServiceInfo::isValid() const
{
    return !d_ptr->attributes.isEmpty();
}
 
bool QBluetoothServiceInfo::isComplete() const
{
    return d_ptr->attributes.contains(ProtocolDescriptorList);
}
 
QBluetoothDeviceInfo QBluetoothServiceInfo::device() const
{
    return d_ptr->deviceInfo;
}
 
void QBluetoothServiceInfo::setDevice(const QBluetoothDeviceInfo &device)
{
    d_ptr->deviceInfo = device;
}
 
void QBluetoothServiceInfo::setAttribute(quint16 attributeId, const QVariant &value)
{
    d_ptr->attributes[attributeId] = value;
}
 
QVariant QBluetoothServiceInfo::attribute(quint16 attributeId) const
{
    return d_ptr->attributes.value(attributeId);
}
 
QList<quint16> QBluetoothServiceInfo::attributes() const
{
    return d_ptr->attributes.keys();
}
 
bool QBluetoothServiceInfo::contains(quint16 attributeId) const
{
    return d_ptr->attributes.contains(attributeId);
}
 
void QBluetoothServiceInfo::removeAttribute(quint16 attributeId)
{
    d_ptr->attributes.remove(attributeId);
}
 
QBluetoothServiceInfo::Protocol QBluetoothServiceInfo::socketProtocol() const
{
    QBluetoothServiceInfo::Sequence parameters = protocolDescriptor(QBluetoothUuid::ProtocolUuid::Rfcomm);
    if (!parameters.isEmpty())
        return RfcommProtocol;
 
    parameters = protocolDescriptor(QBluetoothUuid::ProtocolUuid::L2cap);
    if (!parameters.isEmpty())
        return L2capProtocol;
 
    return UnknownProtocol;
}
 
int QBluetoothServiceInfo::protocolServiceMultiplexer() const
{
    QBluetoothServiceInfo::Sequence parameters = protocolDescriptor(QBluetoothUuid::ProtocolUuid::L2cap);
 
    if (parameters.isEmpty())
        return -1;
    else if (parameters.size() == 1)
        return 0;
    else
        return parameters.at(1).toUInt();
}
 
int QBluetoothServiceInfo::serverChannel() const
{
    return d_ptr->serverChannel();
}
 
QBluetoothServiceInfo::Sequence QBluetoothServiceInfo::protocolDescriptor(QBluetoothUuid::ProtocolUuid protocol) const
{
    return d_ptr->protocolDescriptor(protocol);
}
 
QList<QBluetoothUuid> QBluetoothServiceInfo::serviceClassUuids() const
{
    QList<QBluetoothUuid> results;
 
    const QVariant var = attribute(QBluetoothServiceInfo::ServiceClassIds);
    if (!var.isValid())
        return results;
 
    const QBluetoothServiceInfo::Sequence seq = var.value<QBluetoothServiceInfo::Sequence>();
    for (qsizetype i = 0; i < seq.size(); ++i)
        results.append(seq.at(i).value<QBluetoothUuid>());
 
    return results;
}
 
QBluetoothServiceInfo &QBluetoothServiceInfo::operator=(const QBluetoothServiceInfo &other)
{
    d_ptr = other.d_ptr;
 
    return *this;
}
 
static void dumpAttributeVariant(QDebug dbg, const QVariant &var, const QString& indent)
{
    switch (var.typeId()) {
    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::QByteArray:
        dbg << QString::asprintf("%sbytearray %s\n", indent.toUtf8().constData(),
                                 var.toByteArray().toHex().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;
    default:
        if (var.typeId() == 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(),
                            uuid.toByteArray(QUuid::Id128).constData());
                break;
            default:
                dbg << QString::asprintf("%suuid ???\n", indent.toUtf8().constData());
            }
        } else if (var.typeId() == qMetaTypeId<QBluetoothServiceInfo::Sequence>()) {
            dbg << QString::asprintf("%sSequence\n", indent.toUtf8().constData());
            const QBluetoothServiceInfo::Sequence *sequence = static_cast<const QBluetoothServiceInfo::Sequence *>(var.data());
            for (const QVariant &v : *sequence)
                dumpAttributeVariant(dbg, v, indent + QLatin1Char('\t'));
        } else if (var.typeId() == qMetaTypeId<QBluetoothServiceInfo::Alternative>()) {
            dbg << QString::asprintf("%sAlternative\n", indent.toUtf8().constData());
            const QBluetoothServiceInfo::Alternative *alternative = static_cast<const QBluetoothServiceInfo::Alternative *>(var.data());
            for (const QVariant &v : *alternative)
                dumpAttributeVariant(dbg, v, indent + QLatin1Char('\t'));
        } else {
            dbg << QString::asprintf("%sunknown variant type %d\n", indent.toUtf8().constData(), var.typeId());
        }
    }
}
 
#ifndef QT_NO_DEBUG_STREAM
QDebug QBluetoothServiceInfo::streamingOperator(QDebug dbg, const QBluetoothServiceInfo &info)
{
    QDebugStateSaver saver(dbg);
    dbg.noquote() << "\n";
    const QList<quint16> attributes = info.attributes();
    for (quint16 id : attributes) {
        dumpAttributeVariant(dbg, info.attribute(id), QStringLiteral("(%1)\t").arg(id));
    }
    return dbg;
}
#endif
 
QBluetoothServiceInfo::Sequence QBluetoothServiceInfoPrivate::protocolDescriptor(QBluetoothUuid::ProtocolUuid protocol) const
{
    if (!attributes.contains(QBluetoothServiceInfo::ProtocolDescriptorList))
        return QBluetoothServiceInfo::Sequence();
 
    const QBluetoothServiceInfo::Sequence sequence
            = attributes.value(QBluetoothServiceInfo::ProtocolDescriptorList).value<QBluetoothServiceInfo::Sequence>();
    for (const QVariant &v : sequence) {
        QBluetoothServiceInfo::Sequence parameters = v.value<QBluetoothServiceInfo::Sequence>();
        if (parameters.empty())
            continue;
        if (parameters.at(0).userType() == qMetaTypeId<QBluetoothUuid>()) {
            if (parameters.at(0).value<QBluetoothUuid>() == protocol)
                return parameters;
        }
    }
 
    return QBluetoothServiceInfo::Sequence();
}
 
int QBluetoothServiceInfoPrivate::serverChannel() const
{
    QBluetoothServiceInfo::Sequence parameters = protocolDescriptor(QBluetoothUuid::ProtocolUuid::Rfcomm);
 
    if (parameters.isEmpty())
        return -1;
    else if (parameters.size() == 1)
        return 0;
    else
        return parameters.at(1).toUInt();
}
 
QT_END_NAMESPACE