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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#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
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