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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
#ifndef QBLUETOOTHSERVICEDISCOVERYAGENT_P_H
#define QBLUETOOTHSERVICEDISCOVERYAGENT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qbluetoothaddress.h"
#include "qbluetoothdeviceinfo.h"
#include "qbluetoothserviceinfo.h"
#include "qbluetoothservicediscoveryagent.h"
#include <QStack>
#include <QStringList>
#if QT_CONFIG(bluez)
namespace QtBluetoothPrivate {
class OrgBluezManagerInterface;
class OrgBluezAdapterInterface;
class OrgBluezDeviceInterface;
class OrgFreedesktopDBusObjectManagerInterface;
} // namespace QtBluetoothPrivate
#include <QtCore/qprocess.h>
QT_BEGIN_NAMESPACE
class QDBusPendingCallWatcher;
class QXmlStreamReader;
QT_END_NAMESPACE
#endif
#ifdef QT_WINRT_BLUETOOTH
#include <QtCore/QPointer>
#endif
#ifdef QT_OSX_BLUETOOTH
#include "darwin/btdelegates_p.h"
#include "darwin/btraii_p.h"
#endif
#ifdef QT_ANDROID_BLUETOOTH
#include <QtCore/QJniObject>
#include <QtBluetooth/QBluetoothLocalDevice>
#endif
QT_BEGIN_NAMESPACE
class QBluetoothDeviceDiscoveryAgent;
#ifdef QT_ANDROID_BLUETOOTH
class ServiceDiscoveryBroadcastReceiver;
class LocalDeviceBroadcastReceiver;
#endif
#ifdef QT_WINRT_BLUETOOTH
class QWinRTBluetoothServiceDiscoveryWorker;
#endif
class QBluetoothServiceDiscoveryAgentPrivate
#if defined(QT_WINRT_BLUETOOTH)
: public QObject
{
Q_OBJECT
#elif defined(QT_OSX_BLUETOOTH)
: public QObject, public DarwinBluetooth::SDPInquiryDelegate
{
#else
{
#endif
Q_DECLARE_PUBLIC(QBluetoothServiceDiscoveryAgent)
public:
enum DiscoveryState {
Inactive,
DeviceDiscovery,
ServiceDiscovery,
};
QBluetoothServiceDiscoveryAgentPrivate(QBluetoothServiceDiscoveryAgent *qp,
const QBluetoothAddress &deviceAdapter);
~QBluetoothServiceDiscoveryAgentPrivate();
void startDeviceDiscovery();
void stopDeviceDiscovery();
void startServiceDiscovery();
void stopServiceDiscovery();
void setDiscoveryState(DiscoveryState s) { state = s; }
inline DiscoveryState discoveryState() { return state; }
void setDiscoveryMode(QBluetoothServiceDiscoveryAgent::DiscoveryMode m) { mode = m; }
QBluetoothServiceDiscoveryAgent::DiscoveryMode DiscoveryMode() { return mode; }
void _q_deviceDiscoveryFinished();
void _q_deviceDiscovered(const QBluetoothDeviceInfo &info);
void _q_serviceDiscoveryFinished();
void _q_deviceDiscoveryError(QBluetoothDeviceDiscoveryAgent::Error);
#if QT_CONFIG(bluez)
void _q_sdpScannerDone(int exitCode, QProcess::ExitStatus status);
void _q_finishSdpScan(QBluetoothServiceDiscoveryAgent::Error errorCode,
const QString &errorDescription,
const QStringList &xmlRecords);
#endif
#ifdef QT_ANDROID_BLUETOOTH
void _q_processFetchedUuids(const QBluetoothAddress &address, const QList<QBluetoothUuid> &uuids);
void populateDiscoveredServices(const QBluetoothDeviceInfo &remoteDevice,
const QList<QBluetoothUuid> &uuids);
void _q_fetchUuidsTimeout();
void _q_hostModeStateChanged(QBluetoothLocalDevice::HostMode state);
#endif
private:
void start(const QBluetoothAddress &address);
void stop();
bool isDuplicatedService(const QBluetoothServiceInfo &serviceInfo) const;
#if QT_CONFIG(bluez)
void startBluez5(const QBluetoothAddress &address);
void runExternalSdpScan(const QBluetoothAddress &remoteAddress,
const QBluetoothAddress &localAddress);
void sdpScannerDone(int exitCode, QProcess::ExitStatus exitStatus);
QVariant readAttributeValue(QXmlStreamReader &xml);
QBluetoothServiceInfo parseServiceXml(const QString& xml);
void performMinimalServiceDiscovery(const QBluetoothAddress &deviceAddress);
#endif
public:
QBluetoothServiceDiscoveryAgent::Error error;
QString errorString;
QBluetoothAddress deviceAddress;
QList<QBluetoothServiceInfo> discoveredServices;
QList<QBluetoothDeviceInfo> discoveredDevices;
QBluetoothAddress m_deviceAdapterAddress;
private:
DiscoveryState state;
QList<QBluetoothUuid> uuidFilter;
QBluetoothDeviceDiscoveryAgent *deviceDiscoveryAgent = nullptr;
QBluetoothServiceDiscoveryAgent::DiscoveryMode mode;
bool singleDevice;
#if QT_CONFIG(bluez)
QString foundHostAdapterPath;
QtBluetoothPrivate::OrgFreedesktopDBusObjectManagerInterface *manager = nullptr;
QProcess *sdpScannerProcess = nullptr;
#endif
#ifdef QT_ANDROID_BLUETOOTH
ServiceDiscoveryBroadcastReceiver *receiver = nullptr;
LocalDeviceBroadcastReceiver *localDeviceReceiver = nullptr;
QJniObject btAdapter;
// The sdpCache caches service discovery results while it is running, and is
// cleared once finished. The cache is used as we may (or may not) get more accurate
// results after the first result. This temporary caching allows to send the
// serviceDiscovered() signal once per service and with the most accurate information.
// Partial cache clearing may occur already during the scan if the second (more accurate)
// scan result is received.
QMap<QBluetoothAddress,QPair<QBluetoothDeviceInfo,QList<QBluetoothUuid> > > sdpCache;
#endif
#ifdef QT_WINRT_BLUETOOTH
private slots:
void processFoundService(quint64 deviceAddress, const QBluetoothServiceInfo &info);
void onScanFinished(quint64 deviceAddress);
void onError();
private:
void releaseWorker();
QPointer<QWinRTBluetoothServiceDiscoveryWorker> worker;
#endif
#ifdef QT_OSX_BLUETOOTH
// SDPInquiryDelegate:
void SDPInquiryFinished(void *device) override;
void SDPInquiryError(void *device, IOReturn errorCode) override;
void performMinimalServiceDiscovery(const QBluetoothAddress &deviceAddress);
//void serviceDiscoveryFinished();
bool serviceHasMatchingUuid(const QBluetoothServiceInfo &serviceInfo) const;
DarwinBluetooth::ScopedPointer serviceInquiry;
#endif // QT_OSX_BLUETOOTH
protected:
QBluetoothServiceDiscoveryAgent *q_ptr;
};
QT_END_NAMESPACE
#endif
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