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38 | ****************************************************************************/ |
39 | |
40 | // see comment in ../platformdefs_win.h. |
41 | #define WIN32_LEAN_AND_MEAN 1 |
42 | |
43 | #include "qnetworksession_impl.h" |
44 | #include "qbearerengine_impl.h" |
45 | |
46 | #include <QtNetwork/qnetworksession.h> |
47 | #include <QtNetwork/private/qnetworkconfigmanager_p.h> |
48 | |
49 | #include <QtCore/qdatetime.h> |
50 | #include <QtCore/qdebug.h> |
51 | #include <QtCore/qmutex.h> |
52 | #include <QtCore/qstringlist.h> |
53 | |
54 | QT_BEGIN_NAMESPACE |
55 | |
56 | static QBearerEngineImpl *getEngineFromId(const QString &id) |
57 | { |
58 | QNetworkConfigurationManagerPrivate *priv = qNetworkConfigurationManagerPrivate(); |
59 | if (priv) { |
60 | const auto engines = priv->engines(); |
61 | for (QBearerEngine *engine : engines) { |
62 | QBearerEngineImpl *engineImpl = qobject_cast<QBearerEngineImpl *>(object: engine); |
63 | if (engineImpl && engineImpl->hasIdentifier(id)) |
64 | return engineImpl; |
65 | } |
66 | } |
67 | |
68 | return nullptr; |
69 | } |
70 | |
71 | class QNetworkSessionManagerPrivate : public QObject |
72 | { |
73 | Q_OBJECT |
74 | |
75 | public: |
76 | QNetworkSessionManagerPrivate(QObject *parent = nullptr) : QObject(parent) {} |
77 | ~QNetworkSessionManagerPrivate() {} |
78 | |
79 | inline void forceSessionClose(const QNetworkConfiguration &config) |
80 | { emit forcedSessionClose(config); } |
81 | |
82 | Q_SIGNALS: |
83 | void forcedSessionClose(const QNetworkConfiguration &config); |
84 | }; |
85 | |
86 | Q_GLOBAL_STATIC(QNetworkSessionManagerPrivate, sessionManager); |
87 | |
88 | void QNetworkSessionPrivateImpl::syncStateWithInterface() |
89 | { |
90 | connect(sender: sessionManager(), SIGNAL(forcedSessionClose(QNetworkConfiguration)), |
91 | receiver: this, SLOT(forcedSessionClose(QNetworkConfiguration))); |
92 | |
93 | opened = false; |
94 | isOpen = false; |
95 | state = QNetworkSession::Invalid; |
96 | lastError = QNetworkSession::UnknownSessionError; |
97 | |
98 | qRegisterMetaType<QBearerEngineImpl::ConnectionError>(); |
99 | |
100 | switch (publicConfig.type()) { |
101 | case QNetworkConfiguration::InternetAccessPoint: |
102 | activeConfig = publicConfig; |
103 | engine = getEngineFromId(id: activeConfig.identifier()); |
104 | if (engine) { |
105 | qRegisterMetaType<QNetworkConfigurationPrivatePointer>(); |
106 | connect(sender: engine, SIGNAL(configurationChanged(QNetworkConfigurationPrivatePointer)), |
107 | receiver: this, SLOT(configurationChanged(QNetworkConfigurationPrivatePointer)), |
108 | Qt::QueuedConnection); |
109 | connect(sender: engine, SIGNAL(connectionError(QString,QBearerEngineImpl::ConnectionError)), |
110 | receiver: this, SLOT(connectionError(QString,QBearerEngineImpl::ConnectionError)), |
111 | Qt::QueuedConnection); |
112 | } |
113 | break; |
114 | case QNetworkConfiguration::ServiceNetwork: |
115 | serviceConfig = publicConfig; |
116 | // Defer setting engine and signals until open(). |
117 | Q_FALLTHROUGH(); |
118 | case QNetworkConfiguration::UserChoice: |
119 | // Defer setting serviceConfig and activeConfig until open(). |
120 | Q_FALLTHROUGH(); |
121 | default: |
122 | engine = nullptr; |
123 | } |
124 | |
125 | networkConfigurationsChanged(); |
126 | } |
127 | |
128 | void QNetworkSessionPrivateImpl::open() |
129 | { |
130 | if (serviceConfig.isValid()) { |
131 | lastError = QNetworkSession::OperationNotSupportedError; |
132 | emit QNetworkSessionPrivate::error(error: lastError); |
133 | } else if (!isOpen) { |
134 | if ((activeConfig.state() & QNetworkConfiguration::Discovered) != QNetworkConfiguration::Discovered) { |
135 | lastError = QNetworkSession::InvalidConfigurationError; |
136 | state = QNetworkSession::Invalid; |
137 | emit stateChanged(state); |
138 | emit QNetworkSessionPrivate::error(error: lastError); |
139 | return; |
140 | } |
141 | opened = true; |
142 | |
143 | if ((activeConfig.state() & QNetworkConfiguration::Active) != QNetworkConfiguration::Active && |
144 | (activeConfig.state() & QNetworkConfiguration::Discovered) == QNetworkConfiguration::Discovered) { |
145 | state = QNetworkSession::Connecting; |
146 | emit stateChanged(state); |
147 | |
148 | engine->connectToId(id: activeConfig.identifier()); |
149 | } |
150 | |
151 | isOpen = (activeConfig.state() & QNetworkConfiguration::Active) == QNetworkConfiguration::Active; |
152 | if (isOpen) |
153 | emit quitPendingWaitsForOpened(); |
154 | } |
155 | } |
156 | |
157 | void QNetworkSessionPrivateImpl::close() |
158 | { |
159 | if (serviceConfig.isValid()) { |
160 | lastError = QNetworkSession::OperationNotSupportedError; |
161 | emit QNetworkSessionPrivate::error(error: lastError); |
162 | } else if (isOpen) { |
163 | opened = false; |
164 | isOpen = false; |
165 | emit closed(); |
166 | } |
167 | } |
168 | |
169 | void QNetworkSessionPrivateImpl::stop() |
170 | { |
171 | if (serviceConfig.isValid()) { |
172 | lastError = QNetworkSession::OperationNotSupportedError; |
173 | emit QNetworkSessionPrivate::error(error: lastError); |
174 | } else { |
175 | if ((activeConfig.state() & QNetworkConfiguration::Active) == QNetworkConfiguration::Active) { |
176 | state = QNetworkSession::Closing; |
177 | emit stateChanged(state); |
178 | |
179 | engine->disconnectFromId(id: activeConfig.identifier()); |
180 | |
181 | sessionManager()->forceSessionClose(config: activeConfig); |
182 | } |
183 | |
184 | opened = false; |
185 | isOpen = false; |
186 | emit closed(); |
187 | } |
188 | } |
189 | |
190 | void QNetworkSessionPrivateImpl::migrate() |
191 | { |
192 | } |
193 | |
194 | void QNetworkSessionPrivateImpl::accept() |
195 | { |
196 | } |
197 | |
198 | void QNetworkSessionPrivateImpl::ignore() |
199 | { |
200 | } |
201 | |
202 | void QNetworkSessionPrivateImpl::reject() |
203 | { |
204 | } |
205 | |
206 | #ifndef QT_NO_NETWORKINTERFACE |
207 | QNetworkInterface QNetworkSessionPrivateImpl::currentInterface() const |
208 | { |
209 | if (!engine || state != QNetworkSession::Connected || !publicConfig.isValid()) |
210 | return QNetworkInterface(); |
211 | |
212 | QString iface = engine->getInterfaceFromId(id: activeConfig.identifier()); |
213 | if (iface.isEmpty()) |
214 | return QNetworkInterface(); |
215 | return QNetworkInterface::interfaceFromName(name: iface); |
216 | } |
217 | #endif |
218 | |
219 | QVariant QNetworkSessionPrivateImpl::sessionProperty(const QString &key) const |
220 | { |
221 | if (key == QLatin1String("AutoCloseSessionTimeout" )) { |
222 | if (engine && engine->requiresPolling() && |
223 | !(engine->capabilities() & QNetworkConfigurationManager::CanStartAndStopInterfaces)) { |
224 | return sessionTimeout >= 0 ? sessionTimeout * 10000 : -1; |
225 | } |
226 | } |
227 | |
228 | return QVariant(); |
229 | } |
230 | |
231 | void QNetworkSessionPrivateImpl::setSessionProperty(const QString &key, const QVariant &value) |
232 | { |
233 | if (key == QLatin1String("AutoCloseSessionTimeout" )) { |
234 | if (engine && engine->requiresPolling() && |
235 | !(engine->capabilities() & QNetworkConfigurationManager::CanStartAndStopInterfaces)) { |
236 | int timeout = value.toInt(); |
237 | if (timeout >= 0) { |
238 | connect(sender: engine, SIGNAL(updateCompleted()), |
239 | receiver: this, SLOT(decrementTimeout()), Qt::UniqueConnection); |
240 | sessionTimeout = timeout / 10000; // convert to poll intervals |
241 | } else { |
242 | disconnect(sender: engine, SIGNAL(updateCompleted()), receiver: this, SLOT(decrementTimeout())); |
243 | sessionTimeout = -1; |
244 | } |
245 | } |
246 | } |
247 | } |
248 | |
249 | QString QNetworkSessionPrivateImpl::errorString() const |
250 | { |
251 | switch (lastError) { |
252 | case QNetworkSession::UnknownSessionError: |
253 | return tr(s: "Unknown session error." ); |
254 | case QNetworkSession::SessionAbortedError: |
255 | return tr(s: "The session was aborted by the user or system." ); |
256 | case QNetworkSession::OperationNotSupportedError: |
257 | return tr(s: "The requested operation is not supported by the system." ); |
258 | case QNetworkSession::InvalidConfigurationError: |
259 | return tr(s: "The specified configuration cannot be used." ); |
260 | case QNetworkSession::RoamingError: |
261 | return tr(s: "Roaming was aborted or is not possible." ); |
262 | default: |
263 | break; |
264 | } |
265 | |
266 | return QString(); |
267 | } |
268 | |
269 | QNetworkSession::SessionError QNetworkSessionPrivateImpl::error() const |
270 | { |
271 | return lastError; |
272 | } |
273 | |
274 | quint64 QNetworkSessionPrivateImpl::bytesWritten() const |
275 | { |
276 | if (engine && state == QNetworkSession::Connected) |
277 | return engine->bytesWritten(activeConfig.identifier()); |
278 | return Q_UINT64_C(0); |
279 | } |
280 | |
281 | quint64 QNetworkSessionPrivateImpl::bytesReceived() const |
282 | { |
283 | if (engine && state == QNetworkSession::Connected) |
284 | return engine->bytesReceived(activeConfig.identifier()); |
285 | return Q_UINT64_C(0); |
286 | } |
287 | |
288 | quint64 QNetworkSessionPrivateImpl::activeTime() const |
289 | { |
290 | if (state == QNetworkSession::Connected && startTime != Q_UINT64_C(0)) |
291 | return QDateTime::currentSecsSinceEpoch() - startTime; |
292 | return Q_UINT64_C(0); |
293 | } |
294 | |
295 | QNetworkSession::UsagePolicies QNetworkSessionPrivateImpl::usagePolicies() const |
296 | { |
297 | return currentPolicies; |
298 | } |
299 | |
300 | void QNetworkSessionPrivateImpl::setUsagePolicies(QNetworkSession::UsagePolicies newPolicies) |
301 | { |
302 | if (newPolicies != currentPolicies) { |
303 | currentPolicies = newPolicies; |
304 | emit usagePoliciesChanged(currentPolicies); |
305 | } |
306 | } |
307 | |
308 | void QNetworkSessionPrivateImpl::updateStateFromServiceNetwork() |
309 | { |
310 | QNetworkSession::State oldState = state; |
311 | |
312 | const auto configs = serviceConfig.children(); |
313 | for (const QNetworkConfiguration &config : configs) { |
314 | if ((config.state() & QNetworkConfiguration::Active) != QNetworkConfiguration::Active) |
315 | continue; |
316 | |
317 | if (activeConfig != config) { |
318 | if (engine) { |
319 | disconnect(sender: engine, SIGNAL(connectionError(QString,QBearerEngineImpl::ConnectionError)), |
320 | receiver: this, SLOT(connectionError(QString,QBearerEngineImpl::ConnectionError))); |
321 | } |
322 | |
323 | activeConfig = config; |
324 | engine = getEngineFromId(id: activeConfig.identifier()); |
325 | |
326 | if (engine) { |
327 | connect(sender: engine, SIGNAL(connectionError(QString,QBearerEngineImpl::ConnectionError)), |
328 | receiver: this, SLOT(connectionError(QString,QBearerEngineImpl::ConnectionError)), |
329 | Qt::QueuedConnection); |
330 | } |
331 | emit newConfigurationActivated(); |
332 | } |
333 | |
334 | state = QNetworkSession::Connected; |
335 | if (state != oldState) |
336 | emit stateChanged(state); |
337 | |
338 | return; |
339 | } |
340 | |
341 | if (serviceConfig.children().isEmpty()) |
342 | state = QNetworkSession::NotAvailable; |
343 | else |
344 | state = QNetworkSession::Disconnected; |
345 | |
346 | if (state != oldState) |
347 | emit stateChanged(state); |
348 | } |
349 | |
350 | void QNetworkSessionPrivateImpl::updateStateFromActiveConfig() |
351 | { |
352 | if (!engine) |
353 | return; |
354 | |
355 | QNetworkSession::State oldState = state; |
356 | state = engine->sessionStateForId(id: activeConfig.identifier()); |
357 | |
358 | bool oldActive = isOpen; |
359 | isOpen = (state == QNetworkSession::Connected) ? opened : false; |
360 | |
361 | if (!oldActive && isOpen) |
362 | emit quitPendingWaitsForOpened(); |
363 | if (oldActive && !isOpen) |
364 | emit closed(); |
365 | |
366 | if (oldState != state) |
367 | emit stateChanged(state); |
368 | } |
369 | |
370 | void QNetworkSessionPrivateImpl::networkConfigurationsChanged() |
371 | { |
372 | if (serviceConfig.isValid()) |
373 | updateStateFromServiceNetwork(); |
374 | else |
375 | updateStateFromActiveConfig(); |
376 | |
377 | if (engine) |
378 | startTime = engine->startTime(activeConfig.identifier()); |
379 | } |
380 | |
381 | void QNetworkSessionPrivateImpl::configurationChanged(QNetworkConfigurationPrivatePointer config) |
382 | { |
383 | if (serviceConfig.isValid() && |
384 | (config->id == serviceConfig.identifier() || config->id == activeConfig.identifier())) { |
385 | updateStateFromServiceNetwork(); |
386 | } else if (config->id == activeConfig.identifier()) { |
387 | updateStateFromActiveConfig(); |
388 | } |
389 | } |
390 | |
391 | void QNetworkSessionPrivateImpl::forcedSessionClose(const QNetworkConfiguration &config) |
392 | { |
393 | if (activeConfig == config) { |
394 | opened = false; |
395 | isOpen = false; |
396 | |
397 | emit closed(); |
398 | |
399 | lastError = QNetworkSession::SessionAbortedError; |
400 | emit QNetworkSessionPrivate::error(error: lastError); |
401 | } |
402 | } |
403 | |
404 | void QNetworkSessionPrivateImpl::connectionError(const QString &id, QBearerEngineImpl::ConnectionError error) |
405 | { |
406 | if (activeConfig.identifier() == id) { |
407 | networkConfigurationsChanged(); |
408 | switch (error) { |
409 | case QBearerEngineImpl::OperationNotSupported: |
410 | lastError = QNetworkSession::OperationNotSupportedError; |
411 | opened = false; |
412 | break; |
413 | case QBearerEngineImpl::InterfaceLookupError: |
414 | case QBearerEngineImpl::ConnectError: |
415 | case QBearerEngineImpl::DisconnectionError: |
416 | default: |
417 | lastError = QNetworkSession::UnknownSessionError; |
418 | } |
419 | |
420 | emit QNetworkSessionPrivate::error(error: lastError); |
421 | } |
422 | } |
423 | |
424 | void QNetworkSessionPrivateImpl::decrementTimeout() |
425 | { |
426 | if (--sessionTimeout <= 0) { |
427 | disconnect(sender: engine, SIGNAL(updateCompleted()), receiver: this, SLOT(decrementTimeout())); |
428 | sessionTimeout = -1; |
429 | close(); |
430 | } |
431 | } |
432 | |
433 | QT_END_NAMESPACE |
434 | |
435 | #include "qnetworksession_impl.moc" |
436 | |