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39
40#include "qbearerengine_p.h"
41#include <QtCore/private/qlocking_p.h>
42
43#include <algorithm>
44
45#ifndef QT_NO_BEARERMANAGEMENT
46
47QT_BEGIN_NAMESPACE
48
49static void cleanUpConfigurations(QHash<QString, QNetworkConfigurationPrivatePointer> &configurations)
50{
51 for (auto &ptr : qExchange(t&: configurations, newValue: {})) {
52 ptr->isValid = false;
53 ptr->id.clear();
54 }
55}
56
57static bool hasUsedConfiguration(const QHash<QString, QNetworkConfigurationPrivatePointer> &configurations)
58{
59 auto isUsed = [](const QNetworkConfigurationPrivatePointer &ptr) {
60 return ptr->ref.loadRelaxed() > 1;
61 };
62 const auto end = configurations.end();
63 return std::find_if(first: configurations.begin(), last: end, pred: isUsed) != end;
64}
65
66QBearerEngine::QBearerEngine(QObject *parent)
67 : QObject(parent)
68{
69}
70
71QBearerEngine::~QBearerEngine()
72{
73 cleanUpConfigurations(configurations&: snapConfigurations);
74 cleanUpConfigurations(configurations&: accessPointConfigurations);
75 cleanUpConfigurations(configurations&: userChoiceConfigurations);
76}
77
78bool QBearerEngine::requiresPolling() const
79{
80 return false;
81}
82
83/*
84 Returns \c true if configurations are in use; otherwise returns \c false.
85
86 If configurations are in use and requiresPolling() returns \c true, polling will be enabled for
87 this engine.
88*/
89bool QBearerEngine::configurationsInUse() const
90{
91 const auto locker = qt_scoped_lock(mutex);
92 return hasUsedConfiguration(configurations: accessPointConfigurations)
93 || hasUsedConfiguration(configurations: snapConfigurations)
94 || hasUsedConfiguration(configurations: userChoiceConfigurations);
95}
96
97QT_END_NAMESPACE
98
99#include "moc_qbearerengine_p.cpp"
100
101#endif // QT_NO_BEARERMANAGEMENT
102

source code of qtbase/src/network/bearer/qbearerengine.cpp