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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_p.h"
#include "darwin/btservicerecord_p.h"
#include "qbluetoothserviceinfo.h"
#include "qbluetoothdeviceinfo.h"
#include "qbluetoothserver_p.h"
#include "darwin/btutility_p.h"
#include <QtCore/qloggingcategory.h>
#include <QtCore/qvariant.h>
#include <QtCore/qglobal.h>
#include <QtCore/qmutex.h>
#include <QtCore/qmap.h>
#include <QtCore/qurl.h>
#include <Foundation/Foundation.h>
#include <IOBluetooth/IOBluetooth.h>
QT_BEGIN_NAMESPACE
namespace {
using DarwinBluetooth::RetainPolicy;
using ServiceInfo = QBluetoothServiceInfo;
// Alas, since there is no d_ptr<->q_ptr link (which is not that bad in itself),
// I need these getters duplicated here:
ServiceInfo::Protocol socket_protocol(const QBluetoothServiceInfoPrivate &privateInfo)
{
ServiceInfo::Sequence parameters = privateInfo.protocolDescriptor(QBluetoothUuid::ProtocolUuid::Rfcomm);
if (!parameters.isEmpty())
return ServiceInfo::RfcommProtocol;
parameters = privateInfo.protocolDescriptor(QBluetoothUuid::ProtocolUuid::L2cap);
if (!parameters.isEmpty())
return ServiceInfo::L2capProtocol;
return ServiceInfo::UnknownProtocol;
}
int channel_or_psm(const QBluetoothServiceInfoPrivate &privateInfo, QBluetoothUuid::ProtocolUuid uuid)
{
const auto parameters = privateInfo.protocolDescriptor(uuid);
if (parameters.isEmpty())
return -1;
else if (parameters.size() == 1)
return 0;
return parameters.at(1).toInt();
}
} // unnamed namespace
QBluetoothServiceInfoPrivate::QBluetoothServiceInfoPrivate()
{
}
QBluetoothServiceInfoPrivate::~QBluetoothServiceInfoPrivate()
{
}
bool QBluetoothServiceInfoPrivate::registerService(const QBluetoothAddress &localAddress)
{
Q_UNUSED(localAddress);
return false;
}
bool QBluetoothServiceInfoPrivate::registerService(const QBluetoothServiceInfo &info)
{
using namespace DarwinBluetooth;
if (isRegistered())
return false;
using namespace DarwinBluetooth;
ObjCStrongReference<NSMutableDictionary> serviceDict(iobluetooth_service_dictionary(info));
if (!serviceDict) {
qCWarning(QT_BT_DARWIN) << "failed to create a service dictionary";
return false;
}
Q_ASSERT(!registered);
Q_ASSERT_X(!serviceRecord, Q_FUNC_INFO, "not registered, but serviceRecord is not nil");
SDPRecord newRecord;
newRecord.reset([IOBluetoothSDPServiceRecord
publishedServiceRecordWithDictionary:serviceDict], RetainPolicy::doInitialRetain);
if (!newRecord) {
qCWarning(QT_BT_DARWIN) << "failed to register a service record";
return false;
}
BluetoothSDPServiceRecordHandle newRecordHandle = 0;
auto *ioSDPRecord = newRecord.getAs<IOBluetoothSDPServiceRecord>();
if ([ioSDPRecord getServiceRecordHandle:&newRecordHandle] != kIOReturnSuccess) {
qCWarning(QT_BT_DARWIN) << "failed to register a service record";
[ioSDPRecord removeServiceRecord];
return false;
}
const ServiceInfo::Protocol type = info.socketProtocol();
quint16 realPort = 0;
QBluetoothServerPrivate *server = nullptr;
bool configured = false;
if (type == QBluetoothServiceInfo::L2capProtocol) {
BluetoothL2CAPPSM psm = 0;
server = QBluetoothServerPrivate::registeredServer(info.protocolServiceMultiplexer(), type);
if ([ioSDPRecord getL2CAPPSM:&psm] == kIOReturnSuccess) {
configured = true;
realPort = psm;
}
} else if (type == QBluetoothServiceInfo::RfcommProtocol) {
BluetoothRFCOMMChannelID channelID = 0;
server = QBluetoothServerPrivate::registeredServer(info.serverChannel(), type);
if ([ioSDPRecord getRFCOMMChannelID:&channelID] == kIOReturnSuccess) {
configured = true;
realPort = channelID;
}
}
if (!configured) {
[ioSDPRecord removeServiceRecord];
qCWarning(QT_BT_DARWIN) << "failed to register a service record";
return false;
}
registered = true;
serviceRecord.swap(newRecord);
serviceRecordHandle = newRecordHandle;
if (server)
server->startListener(realPort);
return true;
}
bool QBluetoothServiceInfoPrivate::isRegistered() const
{
return registered;
}
bool QBluetoothServiceInfoPrivate::unregisterService()
{
if (!registered)
return false;
Q_ASSERT_X(serviceRecord, Q_FUNC_INFO, "service registered, but serviceRecord is nil");
auto *nativeRecord = serviceRecord.getAs<IOBluetoothSDPServiceRecord>();
[nativeRecord removeServiceRecord];
serviceRecord.reset();
const ServiceInfo::Protocol type = socket_protocol(*this);
QBluetoothServerPrivate *server = nullptr;
const QMutexLocker lock(&QBluetoothServerPrivate::channelMapMutex());
if (type == ServiceInfo::RfcommProtocol)
server = QBluetoothServerPrivate::registeredServer(channel_or_psm(*this, QBluetoothUuid::ProtocolUuid::Rfcomm), type);
else if (type == ServiceInfo::L2capProtocol)
server = QBluetoothServerPrivate::registeredServer(channel_or_psm(*this, QBluetoothUuid::ProtocolUuid::L2cap), type);
if (server)
server->stopListener();
registered = false;
serviceRecordHandle = 0;
return true;
}
QT_END_NAMESPACE
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