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Add dummy backend to QNetworkInformation

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The integration of QTBUG-113813 has failed because at the moment there
is no network information backend for QNX. Implement a simple dummy
backend to handle these cases.

Task-number: QTBUG-113813
Change-Id: Id6fa3e590c43b0125d82e8680733e30788d9894e
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
This commit is contained in:
Mate Barany 2023-09-01 17:15:44 +02:00
parent 5054279bee
commit 9334947d36
1 changed files with 33 additions and 1 deletions
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34
src/network/kernel/qnetworkinformation.cpp
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@ -50,6 +50,18 @@ static void networkInfoCleanup()
dataHolder->instanceHolder.reset();
}
using namespace Qt::Literals::StringLiterals;
class QNetworkInformationDummyBackend : public QNetworkInformationBackend {
Q_OBJECT
public:
QString name() const override { return u"dummy"_s; }
QNetworkInformation::Features featuresSupported() const override
{
return {};
}
};
class QNetworkInformationPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QNetworkInformation)
@ -60,6 +72,7 @@ public:
static QNetworkInformation *create(QNetworkInformation::Features features);
static QNetworkInformation *create(QStringView name);
static QNetworkInformation *createDummy();
static QNetworkInformation *instance()
{
if (!dataHolder())
@ -266,6 +279,20 @@ QNetworkInformation *QNetworkInformationPrivate::create(QNetworkInformation::Fea
return nullptr;
}
QNetworkInformation *QNetworkInformationPrivate::createDummy()
{
if (!dataHolder())
return nullptr;
QMutexLocker locker(&dataHolder->instanceMutex);
if (dataHolder->instanceHolder)
return dataHolder->instanceHolder.get();
QNetworkInformationBackend *backend = new QNetworkInformationDummyBackend;
dataHolder->instanceHolder.reset(new QNetworkInformation(backend));
return dataHolder->instanceHolder.get();
}
/*!
\class QNetworkInformationBackend
\internal (Semi-private)
@ -644,7 +671,8 @@ bool QNetworkInformation::loadDefaultBackend()
index = QNetworkInformationBackend::PluginNamesLinuxIndex;
#endif
if (index == -1)
return false;
return loadBackendByName(u"dummy");
return loadBackendByName(QNetworkInformationBackend::PluginNames[index]);
}
@ -661,6 +689,9 @@ bool QNetworkInformation::loadDefaultBackend()
*/
bool QNetworkInformation::loadBackendByName(QStringView backend)
{
if (backend == u"dummy")
return QNetworkInformationPrivate::createDummy() != nullptr;
auto loadedBackend = QNetworkInformationPrivate::create(backend);
return loadedBackend && loadedBackend->backendName().compare(backend, Qt::CaseInsensitive) == 0;
}
@ -727,3 +758,4 @@ QT_END_NAMESPACE
#include "moc_qnetworkinformation.cpp"
#include "moc_qnetworkinformation_p.cpp"
#include "qnetworkinformation.moc"