QNetworkAccessManager: deprecate bearer related functions

In Qt6 QNAM will no longer use bearer in any way so we deprecate it now.

Also mark bearermanagement-conditioned sections for removal in Qt6,
the _q_networksession property is part of how QNAM passes the
QNetworkSession around.

Task-number: QTBUG-81609
Change-Id: I04aad9dd96482c6822dffba1b9af7aa58961149c
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

22 files changed, 100 insertions, 78 deletions

diff --git a/src/network/access/qftp.cpp b/src/network/access/qftp.cpp
index 66dd3f9371..cda800ce35 100644
--- a/src/network/access/qftp.cpp
+++ b/src/network/access/qftp.cpp
@@ -317,7 +317,7 @@ void QFtpDTP::connectToHost(const QString & host, quint16 port)
         socket = nullptr;
     }
     socket = new QTcpSocket(this);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket
     socket->setProperty("_q_networksession", property("_q_networksession"));
 #endif
@@ -333,7 +333,7 @@ void QFtpDTP::connectToHost(const QString & host, quint16 port)
 
 int QFtpDTP::setupListener(const QHostAddress &address)
 {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket
     listener.setProperty("_q_networksession", property("_q_networksession"));
 #endif
@@ -817,7 +817,7 @@ QFtpPI::QFtpPI(QObject *parent) :
 void QFtpPI::connectToHost(const QString &host, quint16 port)
 {
     emit connectState(QFtp::HostLookup);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket & DTP
     commandSocket.setProperty("_q_networksession", property("_q_networksession"));
     dtp.setProperty("_q_networksession", property("_q_networksession"));
@@ -2287,7 +2287,7 @@ void QFtpPrivate::_q_startNextCommand()
         c->rawCmds.clear();
         _q_piFinished(QLatin1String("Proxy set to ") + proxyHost + QLatin1Char(':') + QString::number(proxyPort));
     } else if (c->command == QFtp::ConnectToHost) {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         //copy network session down to the PI
         pi.setProperty("_q_networksession", q->property("_q_networksession"));
 #endif
diff --git a/src/network/access/qhttpnetworkconnection.cpp b/src/network/access/qhttpnetworkconnection.cpp
index b9a4c874c0..fce01bf349 100644
--- a/src/network/access/qhttpnetworkconnection.cpp
+++ b/src/network/access/qhttpnetworkconnection.cpp
@@ -135,7 +135,7 @@ void QHttpNetworkConnectionPrivate::init()
     for (int i = 0; i < channelCount; i++) {
         channels[i].setConnection(this->q_func());
         channels[i].ssl = encrypt;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         //push session down to channels
         channels[i].networkSession = networkSession;
 #endif
@@ -1272,7 +1272,7 @@ void QHttpNetworkConnectionPrivate::startNetworkLayerStateLookup()
         channels[1].networkLayerPreference = QAbstractSocket::IPv6Protocol;
 
         int timeout = 300;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         if (networkSession) {
             const QNetworkConfiguration::BearerType bearerType = networkSession->configuration().bearerType();
             if (bearerType == QNetworkConfiguration::Bearer2G)
@@ -1314,7 +1314,7 @@ void QHttpNetworkConnectionPrivate::_q_connectDelayedChannel()
         channels[1].ensureConnection();
 }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 QHttpNetworkConnection::QHttpNetworkConnection(const QString &hostName, quint16 port, bool encrypt,
                                                QHttpNetworkConnection::ConnectionType connectionType,
                                                QObject *parent, QSharedPointer<QNetworkSession> networkSession)
diff --git a/src/network/access/qhttpnetworkconnection_p.h b/src/network/access/qhttpnetworkconnection_p.h
index 6808a0c0ac..845b55bc5d 100644
--- a/src/network/access/qhttpnetworkconnection_p.h
+++ b/src/network/access/qhttpnetworkconnection_p.h
@@ -101,7 +101,7 @@ public:
         ConnectionTypeHTTP2Direct
     };
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     explicit QHttpNetworkConnection(const QString &hostName, quint16 port = 80, bool encrypt = false,
                                     ConnectionType connectionType = ConnectionTypeHTTP,
                                     QObject *parent = nullptr, QSharedPointer<QNetworkSession> networkSession
@@ -292,7 +292,7 @@ public:
     QSharedPointer<QSslContext> sslContext;
 #endif
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QSharedPointer<QNetworkSession> networkSession;
 #endif
 
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index 47081b29d2..72af21bd8f 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -57,7 +57,7 @@
 #    include <QtNetwork/qsslcipher.h>
 #endif
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 #include "private/qnetworksession_p.h"
 #endif
 
@@ -124,7 +124,7 @@ void QHttpNetworkConnectionChannel::init()
 #else
     socket = new QTcpSocket;
 #endif
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //push session down to socket
     if (networkSession)
         socket->setProperty("_q_networksession", QVariant::fromValue(networkSession));
diff --git a/src/network/access/qhttpnetworkconnectionchannel_p.h b/src/network/access/qhttpnetworkconnectionchannel_p.h
index 270b3eb9ba..d8ac3979d1 100644
--- a/src/network/access/qhttpnetworkconnectionchannel_p.h
+++ b/src/network/access/qhttpnetworkconnectionchannel_p.h
@@ -139,7 +139,7 @@ public:
 #endif
     // to emit the signal for all in-flight replies:
     void emitFinishedWithError(QNetworkReply::NetworkError error, const char *message);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QSharedPointer<QNetworkSession> networkSession;
 #endif
 
diff --git a/src/network/access/qhttpthreaddelegate.cpp b/src/network/access/qhttpthreaddelegate.cpp
index f3125a3a95..7757fb9503 100644
--- a/src/network/access/qhttpthreaddelegate.cpp
+++ b/src/network/access/qhttpthreaddelegate.cpp
@@ -185,7 +185,7 @@ public:
     QNetworkAccessCachedHttpConnection(const QString &hostName, quint16 port, bool encrypt,
                                        QHttpNetworkConnection::ConnectionType connectionType)
         : QHttpNetworkConnection(hostName, port, encrypt, connectionType)
-#else
+#else // ### Qt6: Remove section
     QNetworkAccessCachedHttpConnection(const QString &hostName, quint16 port, bool encrypt,
                                        QHttpNetworkConnection::ConnectionType connectionType,
                                        QSharedPointer<QNetworkSession> networkSession)
@@ -348,7 +348,7 @@ void QHttpThreadDelegate::startRequest()
 #ifdef QT_NO_BEARERMANAGEMENT
         httpConnection = new QNetworkAccessCachedHttpConnection(urlCopy.host(), urlCopy.port(), ssl,
                                                                 connectionType);
-#else
+#else // ### Qt6: Remove section
         httpConnection = new QNetworkAccessCachedHttpConnection(urlCopy.host(), urlCopy.port(), ssl,
                                                                 connectionType,
                                                                 networkSession);
diff --git a/src/network/access/qhttpthreaddelegate_p.h b/src/network/access/qhttpthreaddelegate_p.h
index 355d1afc30..a5272fc15c 100644
--- a/src/network/access/qhttpthreaddelegate_p.h
+++ b/src/network/access/qhttpthreaddelegate_p.h
@@ -118,7 +118,7 @@ public:
     QNetworkReply::NetworkError incomingErrorCode;
     QString incomingErrorDetail;
     QHttp2Configuration http2Parameters;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QSharedPointer<QNetworkSession> networkSession;
 #endif
 
diff --git a/src/network/access/qnetworkaccessbackend.cpp b/src/network/access/qnetworkaccessbackend.cpp
index 8f42f3690b..9d7e7200fa 100644
--- a/src/network/access/qnetworkaccessbackend.cpp
+++ b/src/network/access/qnetworkaccessbackend.cpp
@@ -371,7 +371,7 @@ void QNetworkAccessBackend::sslErrors(const QList<QSslError> &errors)
 */
 bool QNetworkAccessBackend::start()
 {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     // For bearer, check if session start is required
     QSharedPointer<QNetworkSession> networkSession(manager->getNetworkSession());
     if (networkSession) {
diff --git a/src/network/access/qnetworkaccessftpbackend.cpp b/src/network/access/qnetworkaccessftpbackend.cpp
index fb8cd79c12..7b09608499 100644
--- a/src/network/access/qnetworkaccessftpbackend.cpp
+++ b/src/network/access/qnetworkaccessftpbackend.cpp
@@ -161,7 +161,7 @@ void QNetworkAccessFtpBackend::open()
     if (!objectCache->requestEntry(cacheKey, this,
                              SLOT(ftpConnectionReady(QNetworkAccessCache::CacheableObject*)))) {
         ftp = new QNetworkAccessCachedFtpConnection;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         //copy network session down to the QFtp
         ftp->setProperty("_q_networksession", property("_q_networksession"));
 #endif
diff --git a/src/network/access/qnetworkaccessmanager.cpp b/src/network/access/qnetworkaccessmanager.cpp
index 4c2ee138ed..1120446bc7 100644
--- a/src/network/access/qnetworkaccessmanager.cpp
+++ b/src/network/access/qnetworkaccessmanager.cpp
@@ -311,6 +311,7 @@ static void ensureInitialized()
 
 /*!
     \fn void QNetworkAccessManager::networkAccessibleChanged(QNetworkAccessManager::NetworkAccessibility accessible)
+    \obsolete
 
     This signal is emitted when the value of the \l networkAccessible property changes.
     \a accessible is the new network accessibility.
@@ -320,6 +321,7 @@ static void ensureInitialized()
     \fn void QNetworkAccessManager::networkSessionConnected()
 
     \since 4.7
+    \obsolete
 
     \internal
 
@@ -1008,10 +1010,11 @@ QNetworkReply *QNetworkAccessManager::deleteResource(const QNetworkRequest &requ
     return d_func()->postProcess(createRequest(QNetworkAccessManager::DeleteOperation, request));
 }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 
 /*!
     \since 4.7
+    \obsolete
 
     Sets the network configuration that will be used when creating the
     \l {QNetworkSession}{network session} to \a config.
@@ -1049,6 +1052,7 @@ void QNetworkAccessManager::setConfiguration(const QNetworkConfiguration &config
 
 /*!
     \since 4.7
+    \obsolete
 
     Returns the network configuration that will be used to create the
     \l {QNetworkSession}{network session} which will be used when processing network requests.
@@ -1069,6 +1073,7 @@ QNetworkConfiguration QNetworkAccessManager::configuration() const
 
 /*!
     \since 4.7
+    \obsolete
 
     Returns the current active network configuration.
 
@@ -1097,6 +1102,7 @@ QNetworkConfiguration QNetworkAccessManager::activeConfiguration() const
 
 /*!
     \since 4.7
+    \obsolete
 
     Overrides the reported network accessibility.  If \a accessible is NotAccessible the reported
     network accessiblity will always be NotAccessible.  Otherwise the reported network
@@ -1109,16 +1115,20 @@ void QNetworkAccessManager::setNetworkAccessible(QNetworkAccessManager::NetworkA
     d->defaultAccessControl = accessible == NotAccessible ? false : true;
 
     if (d->networkAccessible != accessible) {
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_DEPRECATED
         NetworkAccessibility previous = networkAccessible();
         d->networkAccessible = accessible;
         NetworkAccessibility current = networkAccessible();
         if (previous != current)
             emit networkAccessibleChanged(current);
+QT_WARNING_POP
     }
 }
 
 /*!
     \since 4.7
+    \obsolete
 
     Returns the current network accessibility.
 */
@@ -1484,7 +1494,7 @@ QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Opera
         if (!d->statusMonitor.isMonitoring() && !d->statusMonitor.start())
             qWarning(lcNetMon, "failed to start network status monitoring");
     } else {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         // Return a disabled network reply if network access is disabled.
         // Except if the scheme is empty or file:// or if the host resolves to a loopback address.
         if (d->networkAccessible == NotAccessible && !isLocalFile) {
@@ -1558,7 +1568,7 @@ QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Opera
         }
 #endif
         QNetworkReplyHttpImpl *reply = new QNetworkReplyHttpImpl(this, request, op, outgoingData);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         if (!d->statusMonitor.isEnabled()) {
             connect(this, SIGNAL(networkSessionConnected()),
                     reply, SLOT(_q_networkSessionConnected()));
@@ -1570,7 +1580,7 @@ QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Opera
 
     // first step: create the reply
     QNetworkReplyImpl *reply = new QNetworkReplyImpl(this);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     // NETMONTODO: network reply impl must be augmented to use the same monitoring
     // capabilities as http network reply impl does. Once it does: uncomment the condition below
     if (!isLocalFile /*&& !d->statusMonitor.isEnabled()*/) {
@@ -1761,7 +1771,7 @@ void QNetworkAccessManagerPrivate::_q_replyFinished(QNetworkReply *reply)
     if (reply->request().attribute(QNetworkRequest::AutoDeleteReplyOnFinishAttribute, false).toBool())
         QMetaObject::invokeMethod(reply, [reply] { reply->deleteLater(); }, Qt::QueuedConnection);
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     // If there are no active requests, release our reference to the network session.
     // It will not be destroyed immediately, but rather when the connection cache is flushed
     // after 2 minutes.
@@ -1819,7 +1829,7 @@ QNetworkReply *QNetworkAccessManagerPrivate::postProcess(QNetworkReply *reply)
     q->connect(reply, SIGNAL(sslErrors(QList<QSslError>)), SLOT(_q_replySslErrors(QList<QSslError>)));
     q->connect(reply, SIGNAL(preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*)), SLOT(_q_replyPreSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*)));
 #endif
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     activeReplyCount++;
 #endif
 
@@ -1989,7 +1999,7 @@ void QNetworkAccessManagerPrivate::destroyThread()
     }
 }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 void QNetworkAccessManagerPrivate::createSession(const QNetworkConfiguration &config)
 {
     Q_Q(QNetworkAccessManager);
@@ -2024,10 +2034,13 @@ void QNetworkAccessManagerPrivate::createSession(const QNetworkConfiguration &co
 
     if (!networkSessionStrongRef) {
 
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_DEPRECATED
         if (networkAccessible == QNetworkAccessManager::NotAccessible || !online)
             emit q->networkAccessibleChanged(QNetworkAccessManager::NotAccessible);
         else
             emit q->networkAccessibleChanged(QNetworkAccessManager::UnknownAccessibility);
+QT_WARNING_POP
 
         return;
     }
@@ -2074,6 +2087,8 @@ void QNetworkAccessManagerPrivate::_q_networkSessionStateChanged(QNetworkSession
     bool reallyOnline = false;
     //Do not emit the networkSessionConnected signal here, except for roaming -> connected
     //transition, otherwise it is emitted twice in a row when opening a connection.
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_DEPRECATED
     if (state == QNetworkSession::Connected && lastSessionState != QNetworkSession::Roaming)
         emit q->networkSessionConnected();
     lastSessionState = state;
@@ -2109,6 +2124,7 @@ void QNetworkAccessManagerPrivate::_q_networkSessionStateChanged(QNetworkSession
         _q_networkSessionClosed();
         createSession(q->configuration());
     }
+QT_WARNING_POP
 }
 
 void QNetworkAccessManagerPrivate::_q_onlineStateChanged(bool isOnline)
@@ -2120,6 +2136,8 @@ void QNetworkAccessManagerPrivate::_q_onlineStateChanged(bool isOnline)
         return;
     }
 
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_DEPRECATED
 
    // if the user set a config, we only care whether this one is active.
     // Otherwise, this QNAM is online if there is an online config.
@@ -2145,6 +2163,7 @@ void QNetworkAccessManagerPrivate::_q_onlineStateChanged(bool isOnline)
             emit q->networkAccessibleChanged(networkAccessible);
         }
     }
+QT_WARNING_POP
 }
 
 void QNetworkAccessManagerPrivate::_q_configurationChanged(const QNetworkConfiguration &configuration)
diff --git a/src/network/access/qnetworkaccessmanager.h b/src/network/access/qnetworkaccessmanager.h
index 931602bbf4..375d2e03f7 100644
--- a/src/network/access/qnetworkaccessmanager.h
+++ b/src/network/access/qnetworkaccessmanager.h
@@ -64,7 +64,7 @@ class QNetworkProxy;
 class QNetworkProxyFactory;
 class QSslError;
 class QHstsPolicy;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 class QNetworkConfiguration;
 #endif
 class QHttpMultiPart;
@@ -75,7 +75,7 @@ class Q_NETWORK_EXPORT QNetworkAccessManager: public QObject
 {
     Q_OBJECT
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_PROPERTY(NetworkAccessibility networkAccessible READ networkAccessible WRITE setNetworkAccessible NOTIFY networkAccessibleChanged)
 #endif
 
@@ -91,7 +91,7 @@ public:
         UnknownOperation = 0
     };
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     enum NetworkAccessibility {
         UnknownAccessibility = -1,
         NotAccessible = 0,
@@ -146,13 +146,13 @@ public:
     QNetworkReply *sendCustomRequest(const QNetworkRequest &request, const QByteArray &verb, QHttpMultiPart *multiPart);
 #endif
 
-#ifndef QT_NO_BEARERMANAGEMENT
-    void setConfiguration(const QNetworkConfiguration &config);
-    QNetworkConfiguration configuration() const;
-    QNetworkConfiguration activeConfiguration() const;
+#if !defined(QT_NO_BEARERMANAGEMENT) // ### Qt6: Remove section
+    QT_DEPRECATED_VERSION_5_15 void setConfiguration(const QNetworkConfiguration &config);
+    QT_DEPRECATED_VERSION_5_15 QNetworkConfiguration configuration() const;
+    QT_DEPRECATED_VERSION_5_15 QNetworkConfiguration activeConfiguration() const;
 
-    void setNetworkAccessible(NetworkAccessibility accessible);
-    NetworkAccessibility networkAccessible() const;
+    QT_DEPRECATED_VERSION_5_15 void setNetworkAccessible(NetworkAccessibility accessible);
+    QT_DEPRECATED_VERSION_5_15 NetworkAccessibility networkAccessible() const;
 #endif
 
 #ifndef QT_NO_SSL
@@ -185,10 +185,10 @@ Q_SIGNALS:
     void preSharedKeyAuthenticationRequired(QNetworkReply *reply, QSslPreSharedKeyAuthenticator *authenticator);
 #endif
 
-#ifndef QT_NO_BEARERMANAGEMENT
-    void networkSessionConnected();
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
+    QT_DEPRECATED_VERSION_5_15 void networkSessionConnected();
 
-    void networkAccessibleChanged(QNetworkAccessManager::NetworkAccessibility accessible);
+    QT_DEPRECATED_VERSION_5_15 void networkAccessibleChanged(QNetworkAccessManager::NetworkAccessibility accessible);
 #endif
 
 protected:
@@ -210,7 +210,7 @@ private:
     Q_DECLARE_PRIVATE(QNetworkAccessManager)
     Q_PRIVATE_SLOT(d_func(), void _q_replySslErrors(QList<QSslError>))
     Q_PRIVATE_SLOT(d_func(), void _q_replyPreSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*))
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionClosed())
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State))
     Q_PRIVATE_SLOT(d_func(), void _q_configurationChanged(const QNetworkConfiguration &))
diff --git a/src/network/access/qnetworkaccessmanager_p.h b/src/network/access/qnetworkaccessmanager_p.h
index da92cad704..7926463d56 100644
--- a/src/network/access/qnetworkaccessmanager_p.h
+++ b/src/network/access/qnetworkaccessmanager_p.h
@@ -62,7 +62,7 @@
 #include "QtNetwork/qnetworkproxy.h"
 #include "QtNetwork/qnetworksession.h"
 #include "qnetworkaccessauthenticationmanager_p.h"
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 #include "QtNetwork/qnetworkconfigmanager.h"
 #endif
 
@@ -87,7 +87,7 @@ public:
 #ifndef QT_NO_NETWORKPROXY
           proxyFactory(nullptr),
 #endif
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
           lastSessionState(QNetworkSession::Invalid),
           networkConfiguration(networkConfigurationManager.defaultConfiguration()),
           customNetworkConfiguration(false),
@@ -102,7 +102,7 @@ public:
           redirectPolicy(QNetworkRequest::ManualRedirectPolicy),
           authenticationManager(QSharedPointer<QNetworkAccessAuthenticationManager>::create())
     {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         // we would need all active configurations to check for
         // d->networkConfigurationManager.isOnline(), which is asynchronous
         // and potentially expensive. We can just check the configuration here
@@ -153,7 +153,7 @@ public:
     QStringList backendSupportedSchemes() const;
 
     void _q_onlineStateChanged(bool isOnline);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     void createSession(const QNetworkConfiguration &config);
     QSharedPointer<QNetworkSession> getNetworkSession() const;
 
@@ -186,7 +186,7 @@ public:
     QNetworkProxyFactory *proxyFactory;
 #endif
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QSharedPointer<QNetworkSession> networkSessionStrongRef;
     QWeakPointer<QNetworkSession> networkSessionWeakRef;
     QNetworkSession::State lastSessionState;
@@ -231,7 +231,7 @@ public:
 
     int transferTimeout = 0;
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_AUTOTEST_EXPORT static const QWeakPointer<const QNetworkSession> getNetworkSession(const QNetworkAccessManager *manager);
 #endif
     Q_DECLARE_PUBLIC(QNetworkAccessManager)
diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
index 5a775142b0..12f402cabd 100644
--- a/src/network/access/qnetworkreplyhttpimpl.cpp
+++ b/src/network/access/qnetworkreplyhttpimpl.cpp
@@ -164,7 +164,7 @@ static QHash<QByteArray, QByteArray> parseHttpOptionHeader(const QByteArray &hea
     }
 }
 
-#if QT_CONFIG(bearermanagement)
+#if QT_CONFIG(bearermanagement) // ### Qt6: Remove section
 static bool isSessionNeeded(const QUrl &url)
 {
     if (QNetworkStatusMonitor::isEnabled()) {
@@ -801,7 +801,7 @@ void QNetworkReplyHttpImplPrivate::postRequest(const QNetworkRequest &newHttpReq
     QHttpThreadDelegate *delegate = new QHttpThreadDelegate;
     // Propagate Http/2 settings:
     delegate->http2Parameters = request.http2Configuration();
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     if (!QNetworkStatusMonitor::isEnabled())
         delegate->networkSession = managerPrivate->getNetworkSession();
 #endif
@@ -1209,7 +1209,7 @@ void QNetworkReplyHttpImplPrivate::followRedirect()
     if (managerPrivate->thread)
         managerPrivate->thread->disconnect();
 
-#if QT_CONFIG(bearermanagement)
+#if QT_CONFIG(bearermanagement) // ### Qt6: Remove section
     // If the original request didn't need a session (i.e. it was to localhost)
     // then we might not have a session open, to which to redirect, if the
     // new URL is remote.  When this happens, we need to open the session now:
@@ -1794,13 +1794,13 @@ void QNetworkReplyHttpImplPrivate::setResumeOffset(quint64 offset)
 */
 bool QNetworkReplyHttpImplPrivate::start(const QNetworkRequest &newHttpRequest)
 {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QSharedPointer<QNetworkSession> networkSession(managerPrivate->getNetworkSession());
     if (!networkSession || QNetworkStatusMonitor::isEnabled()) {
 #endif
         postRequest(newHttpRequest);
         return true;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     }
 
     // This is not ideal.
@@ -1829,7 +1829,7 @@ bool QNetworkReplyHttpImplPrivate::start(const QNetworkRequest &newHttpRequest)
 #endif
 }
 
-#if QT_CONFIG(bearermanagement)
+#if QT_CONFIG(bearermanagement) // ### Qt6: Remove section
 bool QNetworkReplyHttpImplPrivate::startWaitForSession(QSharedPointer<QNetworkSession> &session)
 {
     Q_Q(QNetworkReplyHttpImpl);
@@ -1865,7 +1865,7 @@ void QNetworkReplyHttpImplPrivate::_q_startOperation()
 
     state = Working;
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     // Do not start background requests if they are not allowed by session policy
     QSharedPointer<QNetworkSession> session(manager->d_func()->getNetworkSession());
     QVariant isBackground = request.attribute(QNetworkRequest::BackgroundRequestAttribute, QVariant::fromValue(false));
@@ -2061,7 +2061,7 @@ void QNetworkReplyHttpImplPrivate::setupTransferTimeout()
     }
 }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 void QNetworkReplyHttpImplPrivate::_q_networkSessionConnected()
 {
     Q_Q(QNetworkReplyHttpImpl);
@@ -2197,7 +2197,7 @@ void QNetworkReplyHttpImplPrivate::finished()
     if (preMigrationDownloaded != Q_INT64_C(-1))
         totalSize = totalSize.toLongLong() + preMigrationDownloaded;
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_ASSERT(managerPrivate);
     QSharedPointer<QNetworkSession> session = managerPrivate->getNetworkSession();
     if (!QNetworkStatusMonitor::isEnabled() && session && session->state() == QNetworkSession::Roaming &&
diff --git a/src/network/access/qnetworkreplyhttpimpl_p.h b/src/network/access/qnetworkreplyhttpimpl_p.h
index dec0c4c589..c4de63990b 100644
--- a/src/network/access/qnetworkreplyhttpimpl_p.h
+++ b/src/network/access/qnetworkreplyhttpimpl_p.h
@@ -66,7 +66,7 @@
 #include <private/qhttpnetworkrequest_p.h>
 #include <private/qnetworkreply_p.h>
 #include <QtNetwork/QNetworkProxy>
-#include <QtNetwork/QNetworkSession>
+#include <QtNetwork/QNetworkSession> // ### Qt6: Remove include
 
 #ifndef QT_NO_SSL
 #include <QtNetwork/QSslConfiguration>
@@ -102,7 +102,7 @@ public:
     Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingData())
     Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingDataFinished())
     Q_PRIVATE_SLOT(d_func(), void _q_transferTimedOut())
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionConnected())
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed())
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State))
@@ -162,7 +162,7 @@ signals:
 
 class QNetworkReplyHttpImplPrivate: public QNetworkReplyPrivate
 {
-#if QT_CONFIG(bearermanagement)
+#if QT_CONFIG(bearermanagement) // ### Qt6: Remove section
     bool startWaitForSession(QSharedPointer<QNetworkSession> &session);
 #endif
 
@@ -186,7 +186,7 @@ public:
     void _q_transferTimedOut();
     void setupTransferTimeout();
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     void _q_networkSessionConnected();
     void _q_networkSessionFailed();
     void _q_networkSessionStateChanged(QNetworkSession::State);
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index a43a29a239..51bb386186 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -45,7 +45,7 @@
 #include "QtCore/qcoreapplication.h"
 #include "QtCore/qdatetime.h"
 #include "QtNetwork/qsslconfiguration.h"
-#include "QtNetwork/qnetworksession.h"
+#include "QtNetwork/qnetworksession.h" // ### Qt6: Remove include
 #include "qnetworkaccessmanager_p.h"
 
 #include <QtCore/QCoreApplication>
@@ -88,7 +88,7 @@ void QNetworkReplyImplPrivate::_q_startOperation()
         return;
     }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_Q(QNetworkReplyImpl);
     // Do not start background requests if they are not allowed by session policy
     QSharedPointer<QNetworkSession> session(manager->d_func()->getNetworkSession());
@@ -102,7 +102,7 @@ void QNetworkReplyImplPrivate::_q_startOperation()
 #endif
 
     if (!backend->start()) {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         // backend failed to start because the session state is not Connected.
         // QNetworkAccessManager will call _q_startOperation again for us when the session
         // state changes.
@@ -132,7 +132,7 @@ void QNetworkReplyImplPrivate::_q_startOperation()
 #endif
         return;
     } else {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         if (session) {
             QObject::connect(session.data(), SIGNAL(stateChanged(QNetworkSession::State)),
                              q, SLOT(_q_networkSessionStateChanged(QNetworkSession::State)), Qt::QueuedConnection);
@@ -140,7 +140,7 @@ void QNetworkReplyImplPrivate::_q_startOperation()
 #endif
     }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     if (session) {
         //get notification of policy changes.
         QObject::connect(session.data(), SIGNAL(usagePoliciesChanged(QNetworkSession::UsagePolicies)),
@@ -287,7 +287,7 @@ void QNetworkReplyImplPrivate::_q_bufferOutgoingData()
     }
 }
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
 void QNetworkReplyImplPrivate::_q_networkSessionConnected()
 {
     Q_Q(QNetworkReplyImpl);
@@ -787,7 +787,7 @@ void QNetworkReplyImplPrivate::finished()
         totalSize = totalSize.toLongLong() + preMigrationDownloaded;
 
     if (!manager.isNull()) {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         QSharedPointer<QNetworkSession> session (manager->d_func()->getNetworkSession());
         if (session && session->state() == QNetworkSession::Roaming &&
             state == Working && errorCode != QNetworkReply::OperationCanceledError) {
diff --git a/src/network/access/qnetworkreplyimpl_p.h b/src/network/access/qnetworkreplyimpl_p.h
index 8cec79541a..f98f773775 100644
--- a/src/network/access/qnetworkreplyimpl_p.h
+++ b/src/network/access/qnetworkreplyimpl_p.h
@@ -62,7 +62,7 @@
 #include "private/qringbuffer_p.h"
 #include "private/qbytedata_p.h"
 #include <QSharedPointer>
-#include <QtNetwork/QNetworkSession>
+#include <QtNetwork/QNetworkSession> // ### Qt6: Remove include
 
 QT_BEGIN_NAMESPACE
 
@@ -92,7 +92,7 @@ public:
     Q_PRIVATE_SLOT(d_func(), void _q_copyReadChannelFinished())
     Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingData())
     Q_PRIVATE_SLOT(d_func(), void _q_bufferOutgoingDataFinished())
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionConnected())
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionFailed())
     Q_PRIVATE_SLOT(d_func(), void _q_networkSessionStateChanged(QNetworkSession::State))
@@ -124,7 +124,7 @@ public:
     void _q_copyReadChannelFinished();
     void _q_bufferOutgoingData();
     void _q_bufferOutgoingDataFinished();
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     void _q_networkSessionConnected();
     void _q_networkSessionFailed();
     void _q_networkSessionStateChanged(QNetworkSession::State);
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp
index b8957ce818..3d88c0337d 100644
--- a/src/network/socket/qabstractsocket.cpp
+++ b/src/network/socket/qabstractsocket.cpp
@@ -464,7 +464,10 @@
 #include "qabstractsocket_p.h"
 
 #include "private/qhostinfo_p.h"
+#if QT_CONFIG(bearermanagement) // ### Qt6: Remove section
 #include "private/qnetworksession_p.h"
+#endif
+#include "private/qnetworkconfiguration_p.h" // ### Qt6: Remove include
 
 #include <qabstracteventdispatcher.h>
 #include <qhostaddress.h>
@@ -643,7 +646,7 @@ bool QAbstractSocketPrivate::initSocketLayer(QAbstractSocket::NetworkLayerProtoc
                  QAbstractSocket::tr("Operation on socket is not supported"));
         return false;
     }
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket engine (if it has been set)
     socketEngine->setProperty("_q_networksession", q->property("_q_networksession"));
 #endif
@@ -1146,7 +1149,7 @@ void QAbstractSocketPrivate::_q_connectToNextAddress()
                                  Qt::DirectConnection);
             }
             int connectTimeout = QNetworkConfigurationPrivate::DefaultTimeout;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
             QSharedPointer<QNetworkSession> networkSession = qvariant_cast< QSharedPointer<QNetworkSession> >(q->property("_q_networksession"));
             if (networkSession) {
                 QNetworkConfiguration networkConfiguration = networkSession->configuration();
@@ -1941,7 +1944,7 @@ bool QAbstractSocket::setSocketDescriptor(qintptr socketDescriptor, SocketState
         d->setError(UnsupportedSocketOperationError, tr("Operation on socket is not supported"));
         return false;
     }
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket engine (if it has been set)
     d->socketEngine->setProperty("_q_networksession", property("_q_networksession"));
 #endif
@@ -2134,7 +2137,7 @@ bool QAbstractSocket::waitForConnected(int msecs)
     QElapsedTimer stopWatch;
     stopWatch.start();
 
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QSharedPointer<QNetworkSession> networkSession = qvariant_cast< QSharedPointer<QNetworkSession> >(property("_q_networksession"));
 #endif
 
@@ -2157,7 +2160,7 @@ bool QAbstractSocket::waitForConnected(int msecs)
         return false; // connect not im progress anymore!
 
     int connectTimeout = QNetworkConfigurationPrivate::DefaultTimeout;
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     if (networkSession) {
         QNetworkConfiguration networkConfiguration = networkSession->configuration();
         connectTimeout = networkConfiguration.connectTimeout();
diff --git a/src/network/socket/qhttpsocketengine.cpp b/src/network/socket/qhttpsocketengine.cpp
index 9a26868edc..21f97be29a 100644
--- a/src/network/socket/qhttpsocketengine.cpp
+++ b/src/network/socket/qhttpsocketengine.cpp
@@ -72,7 +72,7 @@ bool QHttpSocketEngine::initialize(QAbstractSocket::SocketType type, QAbstractSo
     setSocketType(type);
     d->socket = new QTcpSocket(this);
     d->reply = new QHttpNetworkReply(QUrl(), this);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     d->socket->setProperty("_q_networkSession", property("_q_networkSession"));
 #endif
 
diff --git a/src/network/socket/qsocks5socketengine.cpp b/src/network/socket/qsocks5socketengine.cpp
index 3bce891ee9..f0ccc9054a 100644
--- a/src/network/socket/qsocks5socketengine.cpp
+++ b/src/network/socket/qsocks5socketengine.cpp
@@ -535,7 +535,7 @@ void QSocks5SocketEnginePrivate::initialize(Socks5Mode socks5Mode)
         udpData = new QSocks5UdpAssociateData;
         data = udpData;
         udpData->udpSocket = new QUdpSocket(q);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
         udpData->udpSocket->setProperty("_q_networksession", q->property("_q_networksession"));
 #endif
         udpData->udpSocket->setProxy(QNetworkProxy::NoProxy);
@@ -549,7 +549,7 @@ void QSocks5SocketEnginePrivate::initialize(Socks5Mode socks5Mode)
     }
 
     data->controlSocket = new QTcpSocket(q);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     data->controlSocket->setProperty("_q_networksession", q->property("_q_networksession"));
 #endif
     data->controlSocket->setProxy(QNetworkProxy::NoProxy);
diff --git a/src/network/socket/qtcpserver.cpp b/src/network/socket/qtcpserver.cpp
index 9916c75e65..c23b143de3 100644
--- a/src/network/socket/qtcpserver.cpp
+++ b/src/network/socket/qtcpserver.cpp
@@ -314,7 +314,7 @@ bool QTcpServer::listen(const QHostAddress &address, quint16 port)
         d->serverSocketErrorString = tr("Operation on socket is not supported");
         return false;
     }
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket engine (if it has been set)
     d->socketEngine->setProperty("_q_networksession", property("_q_networksession"));
 #endif
@@ -436,7 +436,7 @@ bool QTcpServer::setSocketDescriptor(qintptr socketDescriptor)
         d->serverSocketErrorString = tr("Operation on socket is not supported");
         return false;
     }
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the socket engine (if it has been set)
     d->socketEngine->setProperty("_q_networksession", property("_q_networksession"));
 #endif
diff --git a/src/network/ssl/qsslsocket.cpp b/src/network/ssl/qsslsocket.cpp
index 8fa9f914a2..4ed1951c7d 100644
--- a/src/network/ssl/qsslsocket.cpp
+++ b/src/network/ssl/qsslsocket.cpp
@@ -2519,7 +2519,7 @@ void QSslSocketPrivate::createPlainSocket(QIODevice::OpenMode openMode)
     q->setPeerName(QString());
 
     plainSocket = new QTcpSocket(q);
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     //copy network session down to the plain socket (if it has been set)
     plainSocket->setProperty("_q_networksession", q->property("_q_networksession"));
 #endif
diff --git a/tests/auto/network/access/qnetworkaccessmanager/tst_qnetworkaccessmanager.cpp b/tests/auto/network/access/qnetworkaccessmanager/tst_qnetworkaccessmanager.cpp
index 120b1c4b66..752655ee94 100644
--- a/tests/auto/network/access/qnetworkaccessmanager/tst_qnetworkaccessmanager.cpp
+++ b/tests/auto/network/access/qnetworkaccessmanager/tst_qnetworkaccessmanager.cpp
@@ -58,7 +58,7 @@ tst_QNetworkAccessManager::tst_QNetworkAccessManager()
 
 void tst_QNetworkAccessManager::networkAccessible()
 {
-#ifndef QT_NO_BEARERMANAGEMENT
+#ifndef QT_NO_BEARERMANAGEMENT // ### Qt6: Remove section
     QNetworkAccessManager manager;
 
     qRegisterMetaType<QNetworkAccessManager::NetworkAccessibility>("QNetworkAccessManager::NetworkAccessibility");