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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtNetwork module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #include "qbearerengine_p.h" |
| #include <QtCore/private/qlocking_p.h> |
| |
| #include <algorithm> |
| |
| #ifndef QT_NO_BEARERMANAGEMENT |
| |
| QT_BEGIN_NAMESPACE |
| |
| static void cleanUpConfigurations(QHash<QString, QNetworkConfigurationPrivatePointer> &configurations) |
| { |
| for (auto &ptr : qExchange(configurations, {})) { |
| ptr->isValid = false; |
| ptr->id.clear(); |
| } |
| } |
| |
| static bool hasUsedConfiguration(const QHash<QString, QNetworkConfigurationPrivatePointer> &configurations) |
| { |
| auto isUsed = [](const QNetworkConfigurationPrivatePointer &ptr) { |
| return ptr->ref.loadRelaxed() > 1; |
| }; |
| const auto end = configurations.end(); |
| return std::find_if(configurations.begin(), end, isUsed) != end; |
| } |
| |
| QBearerEngine::QBearerEngine(QObject *parent) |
| : QObject(parent) |
| { |
| } |
| |
| QBearerEngine::~QBearerEngine() |
| { |
| cleanUpConfigurations(snapConfigurations); |
| cleanUpConfigurations(accessPointConfigurations); |
| cleanUpConfigurations(userChoiceConfigurations); |
| } |
| |
| bool QBearerEngine::requiresPolling() const |
| { |
| return false; |
| } |
| |
| /* |
| Returns \c true if configurations are in use; otherwise returns \c false. |
| |
| If configurations are in use and requiresPolling() returns \c true, polling will be enabled for |
| this engine. |
| */ |
| bool QBearerEngine::configurationsInUse() const |
| { |
| const auto locker = qt_scoped_lock(mutex); |
| return hasUsedConfiguration(accessPointConfigurations) |
| || hasUsedConfiguration(snapConfigurations) |
| || hasUsedConfiguration(userChoiceConfigurations); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #include "moc_qbearerengine_p.cpp" |
| |
| #endif // QT_NO_BEARERMANAGEMENT |