54 

    55     QNetworkConfigurationManager manager;

    56     if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {

    57         // Get saved network configuration

    58         QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));

    59         settings.beginGroup(QLatin1String("QtNetwork"));

    60         const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();

    61         settings.endGroup();

    62 

    63         // If the saved network configuration is not currently discovered use the system default

    64         QNetworkConfiguration config = manager.configurationFromIdentifier(id);

    65         if ((config.state() & QNetworkConfiguration::Discovered) !=

    66             QNetworkConfiguration::Discovered) {

    67             config = manager.defaultConfiguration();

    68         }

    69 

    70         networkSession = new QNetworkSession(config, this);

    71         connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));

    72 

    73         statusLabel->setText(tr("Opening network session."));

    74         networkSession->open();

    75     } else {

    76         sessionOpened();

    77     }

    78 

    79     //! [2]

    80         fortunes << tr("You've been leading a dog's life. Stay off the furniture.")

    81                  << tr("You've got to think about tomorrow.")

    82                  << tr("You will be surprised by a loud noise.")

    83                  << tr("You will feel hungry again in another hour.")

    84                  << tr("You might have mail.")

    85                  << tr("You cannot kill time without injuring eternity.")

    86                  << tr("Computers are not intelligent. They only think they are.");

    87     //! [2]

    88 

    89         connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));

    90     //! [3]

    91         connect(tcpServer, SIGNAL(newConnection()), this, SLOT(sendFortune()));

    92     //! [3]

    93 

    94         QHBoxLayout *buttonLayout = new QHBoxLayout;

    95         buttonLayout->addStretch(1);

    96         buttonLayout->addWidget(quitButton);

    97         buttonLayout->addStretch(1);

    98 

    99         QVBoxLayout *mainLayout = new QVBoxLayout;

   100         mainLayout->addWidget(statusLabel);

   101         mainLayout->addLayout(buttonLayout);

   102         setLayout(mainLayout);

   103 

   104         setWindowTitle(tr("Fortune Server"));

   105 }

   106 

   107 void Server::sessionOpened()

   108 {

   109     // Save the used configuration

   110     QNetworkConfiguration config = networkSession->configuration();

   111     QString id;

   112     if (config.type() == QNetworkConfiguration::UserChoice)

   113         id = networkSession->sessionProperty(QLatin1String("UserChoiceConfiguration")).toString();

   114     else

   115         id = config.identifier();

   116 

   117     QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));

   118     settings.beginGroup(QLatin1String("QtNetwork"));

   119     settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);

   120     settings.endGroup();