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| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtBluetooth module of the Qt Toolkit. |
| 7 | ** |
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| 17 | ** GNU Lesser General Public License Usage |
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| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "qdeclarativebluetoothservice_p.h" |
| 41 | |
| 42 | #include <QtCore/QLoggingCategory> |
| 43 | |
| 44 | #include <QtBluetooth/QBluetoothDeviceInfo> |
| 45 | #include <QtBluetooth/QBluetoothSocket> |
| 46 | #include <QtBluetooth/QBluetoothAddress> |
| 47 | #include <QtBluetooth/QBluetoothServer> |
| 48 | |
| 49 | #include <QObject> |
| 50 | |
| 51 | /* ==================== QDeclarativeBluetoothService ======================= */ |
| 52 | |
| 53 | /*! |
| 54 | \qmltype BluetoothService |
| 55 | \instantiates QDeclarativeBluetoothService |
| 56 | \inqmlmodule QtBluetooth |
| 57 | \since 5.2 |
| 58 | \brief Provides information about a particular Bluetooth service. |
| 59 | |
| 60 | \sa QBluetoothAddress |
| 61 | \sa QBluetoothSocket |
| 62 | |
| 63 | It allows a QML project to get information about a remote service, or describe a service |
| 64 | for a BluetoothSocket to connect to. |
| 65 | */ |
| 66 | |
| 67 | /*! |
| 68 | \qmlsignal BluetoothService::detailsChanged() |
| 69 | |
| 70 | This signal is emitted when any of the following properties changes: |
| 71 | |
| 72 | \list |
| 73 | \li deviceAddress |
| 74 | \li deviceName |
| 75 | \li serviceDescription |
| 76 | \li serviceName |
| 77 | \li serviceProtocol |
| 78 | \li serviceUuid |
| 79 | \endlist |
| 80 | |
| 81 | The corresponding handler is \c onDetailsChanged. |
| 82 | */ |
| 83 | |
| 84 | Q_DECLARE_LOGGING_CATEGORY(QT_BT_QML) |
| 85 | |
| 86 | class QDeclarativeBluetoothServicePrivate |
| 87 | { |
| 88 | public: |
| 89 | QDeclarativeBluetoothServicePrivate() |
| 90 | : m_componentComplete(false) |
| 91 | { |
| 92 | |
| 93 | } |
| 94 | |
| 95 | ~QDeclarativeBluetoothServicePrivate() |
| 96 | { |
| 97 | delete m_service; |
| 98 | } |
| 99 | |
| 100 | bool m_componentComplete; |
| 101 | QBluetoothServiceInfo *m_service = nullptr; |
| 102 | QDeclarativeBluetoothService::Protocol m_protocol; |
| 103 | QBluetoothServer *m_server = nullptr; |
| 104 | }; |
| 105 | |
| 106 | QDeclarativeBluetoothService::QDeclarativeBluetoothService(QObject *parent) : |
| 107 | QObject(parent) |
| 108 | { |
| 109 | d = new QDeclarativeBluetoothServicePrivate; |
| 110 | d->m_service = new QBluetoothServiceInfo(); |
| 111 | } |
| 112 | |
| 113 | QDeclarativeBluetoothService::QDeclarativeBluetoothService(const QBluetoothServiceInfo &service, QObject *parent) |
| 114 | : QObject(parent) |
| 115 | { |
| 116 | d = new QDeclarativeBluetoothServicePrivate; |
| 117 | d->m_service = new QBluetoothServiceInfo(service); |
| 118 | } |
| 119 | |
| 120 | QDeclarativeBluetoothService::~QDeclarativeBluetoothService() |
| 121 | { |
| 122 | delete d; |
| 123 | } |
| 124 | |
| 125 | void QDeclarativeBluetoothService::componentComplete() |
| 126 | { |
| 127 | d->m_componentComplete = true; |
| 128 | |
| 129 | if (!d->m_service->isRegistered()) |
| 130 | setRegistered(true); |
| 131 | } |
| 132 | |
| 133 | |
| 134 | /*! |
| 135 | \qmlproperty string BluetoothService::deviceName |
| 136 | |
| 137 | This property holds the name of the remote device. Changing this property emits the |
| 138 | detailsChanged signal. |
| 139 | */ |
| 140 | |
| 141 | QString QDeclarativeBluetoothService::deviceName() const |
| 142 | { |
| 143 | |
| 144 | return d->m_service->device().name(); |
| 145 | } |
| 146 | |
| 147 | /*! |
| 148 | \qmlproperty string BluetoothService::deviceAddress |
| 149 | |
| 150 | This property holds the remote device's MAC address. It must be a valid address to |
| 151 | connect to a remote device using a Bluetooth socket. Changing this property emits the |
| 152 | detailsChanged signal. |
| 153 | |
| 154 | */ |
| 155 | |
| 156 | QString QDeclarativeBluetoothService::deviceAddress() const |
| 157 | { |
| 158 | return d->m_service->device().address().toString(); |
| 159 | } |
| 160 | |
| 161 | void QDeclarativeBluetoothService::setDeviceAddress(const QString &newAddress) |
| 162 | { |
| 163 | QBluetoothAddress address(newAddress); |
| 164 | QBluetoothDeviceInfo device(address, QString(), QBluetoothDeviceInfo::ComputerDevice); |
| 165 | d->m_service->setDevice(device); |
| 166 | emit detailsChanged(); |
| 167 | } |
| 168 | |
| 169 | /*! |
| 170 | \qmlproperty string BluetoothService::serviceName |
| 171 | |
| 172 | This property holds the name of the remote service if available. Changing this property emits the |
| 173 | detailsChanged signal. |
| 174 | */ |
| 175 | |
| 176 | QString QDeclarativeBluetoothService::serviceName() const |
| 177 | { |
| 178 | return d->m_service->serviceName(); |
| 179 | } |
| 180 | |
| 181 | void QDeclarativeBluetoothService::setServiceName(const QString &name) |
| 182 | { |
| 183 | d->m_service->setServiceName(name); |
| 184 | emit detailsChanged(); |
| 185 | } |
| 186 | |
| 187 | |
| 188 | /*! |
| 189 | \qmlproperty string BluetoothService::serviceDescription |
| 190 | |
| 191 | This property holds the description provided by the remote service. Changing this property emits the |
| 192 | detailsChanged signal. |
| 193 | */ |
| 194 | QString QDeclarativeBluetoothService::serviceDescription() const |
| 195 | { |
| 196 | return d->m_service->serviceDescription(); |
| 197 | } |
| 198 | |
| 199 | void QDeclarativeBluetoothService::setServiceDescription(const QString &description) |
| 200 | { |
| 201 | d->m_service->setServiceDescription(description); |
| 202 | emit detailsChanged(); |
| 203 | } |
| 204 | |
| 205 | /*! |
| 206 | \qmlproperty enumeration BluetoothService::serviceProtocol |
| 207 | |
| 208 | This property holds the protocol used for the service. Changing this property emits the |
| 209 | detailsChanged signal. |
| 210 | |
| 211 | Possible values for this property are: |
| 212 | \table |
| 213 | \header \li Property \li Description |
| 214 | \row \li \c BluetoothService.RfcommProtocol |
| 215 | \li The Rfcomm protocol is used. |
| 216 | \row \li \c BluetoothService.L2capProtocol |
| 217 | \li The L2cap protocol is used. |
| 218 | \row \li \c BluetoothService.UnknownProtocol |
| 219 | \li The protocol is unknown. |
| 220 | \endtable |
| 221 | |
| 222 | \sa QBluetoothServiceInfo::Protocol |
| 223 | |
| 224 | */ |
| 225 | |
| 226 | QDeclarativeBluetoothService::Protocol QDeclarativeBluetoothService::serviceProtocol() const |
| 227 | { |
| 228 | return d->m_protocol; |
| 229 | } |
| 230 | |
| 231 | void QDeclarativeBluetoothService::setServiceProtocol(QDeclarativeBluetoothService::Protocol protocol) |
| 232 | { |
| 233 | d->m_protocol = protocol; |
| 234 | emit detailsChanged(); |
| 235 | } |
| 236 | |
| 237 | /*! |
| 238 | \qmlproperty string BluetoothService::serviceUuid |
| 239 | |
| 240 | This property holds the UUID of the remote service. Service UUID, |
| 241 | and the address must be set to connect to a remote service. Changing |
| 242 | this property emits the detailsChanged signal. |
| 243 | |
| 244 | */ |
| 245 | |
| 246 | QString QDeclarativeBluetoothService::serviceUuid() const |
| 247 | { |
| 248 | return d->m_service->serviceUuid().toString(); |
| 249 | } |
| 250 | |
| 251 | void QDeclarativeBluetoothService::setServiceUuid(const QString &uuid) |
| 252 | { |
| 253 | d->m_service->setServiceUuid(QBluetoothUuid(uuid)); |
| 254 | emit detailsChanged(); |
| 255 | } |
| 256 | |
| 257 | /*! |
| 258 | \qmlproperty string BluetoothService::registered |
| 259 | |
| 260 | This property holds the registration/publication status of the service. If true, the service |
| 261 | is published during service discovery. |
| 262 | */ |
| 263 | |
| 264 | bool QDeclarativeBluetoothService::isRegistered() const |
| 265 | { |
| 266 | return d->m_service->isRegistered(); |
| 267 | } |
| 268 | |
| 269 | void QDeclarativeBluetoothService::setRegistered(bool registered) |
| 270 | { |
| 271 | if (!d->m_componentComplete) { |
| 272 | return; |
| 273 | } |
| 274 | |
| 275 | delete d->m_server; |
| 276 | d->m_server = nullptr; |
| 277 | |
| 278 | if (!registered) { |
| 279 | d->m_service->unregisterService(); |
| 280 | emit registeredChanged(); |
| 281 | return; |
| 282 | } |
| 283 | |
| 284 | if (d->m_protocol == UnknownProtocol) { |
| 285 | qCWarning(QT_BT_QML) << "Unknown protocol, can't make service" << d->m_protocol; |
| 286 | return; |
| 287 | } |
| 288 | |
| 289 | QBluetoothServer *server |
| 290 | = new QBluetoothServer(static_cast<QBluetoothServiceInfo::Protocol>(d->m_protocol)); |
| 291 | server->setMaxPendingConnections(1); |
| 292 | if (!server->listen()) { |
| 293 | qCWarning(QT_BT_QML) << "Could not start server. Error:" << server->error(); |
| 294 | return; |
| 295 | } |
| 296 | |
| 297 | d->m_server = server; |
| 298 | connect(sender: d->m_server, signal: &QBluetoothServer::newConnection, |
| 299 | receiver: this, slot: &QDeclarativeBluetoothService::new_connection); |
| 300 | |
| 301 | d->m_service->setAttribute(attributeId: QBluetoothServiceInfo::ServiceRecordHandle, value: (uint)0x00010010); |
| 302 | |
| 303 | QBluetoothServiceInfo::Sequence classId; |
| 304 | classId << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::SerialPort)); |
| 305 | d->m_service->setAttribute(attributeId: QBluetoothServiceInfo::ServiceClassIds, value: classId); |
| 306 | |
| 307 | //qDebug() << "name/uuid" << d->m_name << d->m_uuid << d->m_port; |
| 308 | |
| 309 | QBluetoothServiceInfo::Sequence publicBrowse; |
| 310 | publicBrowse << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::PublicBrowseGroup)); |
| 311 | d->m_service->setAttribute(attributeId: QBluetoothServiceInfo::BrowseGroupList, value: publicBrowse); |
| 312 | |
| 313 | QBluetoothServiceInfo::Sequence protocolDescriptorList; |
| 314 | QBluetoothServiceInfo::Sequence protocol; |
| 315 | |
| 316 | if (d->m_protocol == L2CapProtocol) { |
| 317 | protocol << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::L2cap)) |
| 318 | << QVariant::fromValue(value: quint16(d->m_server->serverPort())); |
| 319 | } else if (d->m_protocol == RfcommProtocol) { |
| 320 | //rfcomm implies l2cp protocol |
| 321 | { |
| 322 | QBluetoothServiceInfo::Sequence l2cpProtocol; |
| 323 | l2cpProtocol << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::L2cap)); |
| 324 | protocolDescriptorList.append(t: QVariant::fromValue(value: l2cpProtocol)); |
| 325 | } |
| 326 | protocol << QVariant::fromValue(value: QBluetoothUuid(QBluetoothUuid::Rfcomm)) |
| 327 | << QVariant::fromValue(value: quint8(d->m_server->serverPort())); |
| 328 | } |
| 329 | protocolDescriptorList.append(t: QVariant::fromValue(value: protocol)); |
| 330 | |
| 331 | d->m_service->setAttribute(attributeId: QBluetoothServiceInfo::ProtocolDescriptorList, |
| 332 | value: protocolDescriptorList); |
| 333 | |
| 334 | if (d->m_service->registerService()) |
| 335 | emit registeredChanged(); |
| 336 | else |
| 337 | qCWarning(QT_BT_QML) << "Register service failed" ; // TODO: propagate this error to the user |
| 338 | } |
| 339 | |
| 340 | QBluetoothServiceInfo *QDeclarativeBluetoothService::serviceInfo() const |
| 341 | { |
| 342 | return d->m_service; |
| 343 | } |
| 344 | |
| 345 | void QDeclarativeBluetoothService::new_connection() |
| 346 | { |
| 347 | emit newClient(); |
| 348 | } |
| 349 | |
| 350 | QDeclarativeBluetoothSocket *QDeclarativeBluetoothService::nextClient() |
| 351 | { |
| 352 | QBluetoothServer *server = qobject_cast<QBluetoothServer *>(object: d->m_server); |
| 353 | if (server) { |
| 354 | if (server->hasPendingConnections()) { |
| 355 | QBluetoothSocket *socket = server->nextPendingConnection(); |
| 356 | return new QDeclarativeBluetoothSocket(socket, this, nullptr); |
| 357 | } |
| 358 | else { |
| 359 | qCWarning(QT_BT_QML) << "Socket has no pending connection, failing" ; |
| 360 | return nullptr; |
| 361 | } |
| 362 | } |
| 363 | return nullptr; |
| 364 | } |
| 365 | |
| 366 | void QDeclarativeBluetoothService::assignNextClient(QDeclarativeBluetoothSocket *dbs) |
| 367 | { |
| 368 | QBluetoothServer *server = qobject_cast<QBluetoothServer *>(object: d->m_server); |
| 369 | if (server) { |
| 370 | if (server->hasPendingConnections()) { |
| 371 | QBluetoothSocket *socket = server->nextPendingConnection(); |
| 372 | dbs->newSocket(socket, service: this); |
| 373 | return; |
| 374 | } |
| 375 | else { |
| 376 | qCWarning(QT_BT_QML) << "Socket has no pending connection, failing" ; |
| 377 | return; |
| 378 | } |
| 379 | } |
| 380 | return; |
| 381 | } |
| 382 | |
| 383 | |