C++ QNetworkSession::configuration方法代码示例

/*!
    Starts the backend.  Returns \c true if the backend is started.  Returns \c false if the backend
    could not be started due to an unopened or roaming session.  The caller should recall this
    function once the session has been opened or the roaming process has finished.
*/
bool QNetworkAccessBackend::start()
{
#ifndef QT_NO_BEARERMANAGEMENT
    // For bearer, check if session start is required
    QSharedPointer<QNetworkSession> networkSession(manager->getNetworkSession());
    if (networkSession) {
        // session required
        if (networkSession->isOpen() &&
            networkSession->state() == QNetworkSession::Connected) {
            // Session is already open and ready to use.
            // copy network session down to the backend
            setProperty("_q_networksession", QVariant::fromValue(networkSession));
        } else {
            // Session not ready, but can skip for loopback connections

            // This is not ideal.
            const QString host = reply->url.host();

            if (host == QLatin1String("localhost") ||
                QHostAddress(host).isLoopback() ||
                reply->url.isLocalFile()) {
                // Don't need an open session for localhost access.
            } else {
                // need to wait for session to be opened
                return false;
            }
        }
    }
#endif

#ifndef QT_NO_NETWORKPROXY
#ifndef QT_NO_BEARERMANAGEMENT
    // Get the proxy settings from the network session (in the case of service networks,
    // the proxy settings change depending which AP was activated)
    QNetworkSession *session = networkSession.data();
    QNetworkConfiguration config;
    if (session) {
        QNetworkConfigurationManager configManager;
        // The active configuration tells us what IAP is in use
        QVariant v = session->sessionProperty(QLatin1String("ActiveConfiguration"));
        if (v.isValid())
            config = configManager.configurationFromIdentifier(qvariant_cast<QString>(v));
        // Fallback to using the configuration if no active configuration
        if (!config.isValid())
            config = session->configuration();
        // or unspecified configuration if that is no good either
        if (!config.isValid())
            config = QNetworkConfiguration();
    }
    reply->proxyList = manager->queryProxy(QNetworkProxyQuery(config, url()));
#else // QT_NO_BEARERMANAGEMENT
    // Without bearer management, the proxy depends only on the url
    reply->proxyList = manager->queryProxy(QNetworkProxyQuery(url()));
#endif
#endif

    // now start the request
    open();
    return true;
}

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     QNetworkConfigurationManager manager;
     if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
         // Get saved network configuration
         QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
         settings.beginGroup(QLatin1String("QtNetwork"));
         const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
         settings.endGroup();

         // If the saved network configuration is not currently discovered use the system default
         QNetworkConfiguration config = manager.configurationFromIdentifier(id);
         if ((config.state() & QNetworkConfiguration::Discovered) !=
             QNetworkConfiguration::Discovered) {
             config = manager.defaultConfiguration();
         }

         QNetworkSession *networkSession = new QNetworkSession(config, &app);
         networkSession->open();
         networkSession->waitForOpened();

         if (networkSession->isOpen()) {
             // Save the used configuration
             QNetworkConfiguration config = networkSession->configuration();
             QString id;
             if (config.type() == QNetworkConfiguration::UserChoice) {
                 id = networkSession->sessionProperty(
                         QLatin1String("UserChoiceConfiguration")).toString();
             } else {
                 id = config.identifier();
             }

             QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
             settings.beginGroup(QLatin1String("QtNetwork"));
             settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
             settings.endGroup();
         }
     }

     //ChatDialog dialog;
     InitialWindow window;

 #ifdef Q_OS_SYMBIAN
     // Make application better looking and more usable on small screen
    // dialog.showMaximized();
 #else
  //   dialog.show();
     window.show();
 #endif
     return app.exec();
 }

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QNetworkConfigurationManager manager;
        if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
            // Get saved network configuration
            QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
            settings.beginGroup(QLatin1String("QtNetwork"));
            const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
            settings.endGroup();

            // If the saved network configuration is not currently discovered use the system default
            QNetworkConfiguration config = manager.configurationFromIdentifier(id);
            if ((config.state() & QNetworkConfiguration::Discovered) !=
                QNetworkConfiguration::Discovered) {
                config = manager.defaultConfiguration();
            }

            QNetworkSession *networkSession = new QNetworkSession(config, &a);
            networkSession->open();
            networkSession->waitForOpened();

            if (networkSession->isOpen()) {
                // Save the used configuration
                QNetworkConfiguration config = networkSession->configuration();
                QString id;
                if (config.type() == QNetworkConfiguration::UserChoice) {
                    id = networkSession->sessionProperty(
                            QLatin1String("UserChoiceConfiguration")).toString();
                } else {
                    id = config.identifier();
                }

                QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
                settings.beginGroup(QLatin1String("QtNetwork"));
                settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
                settings.endGroup();
            }
        }





    interface w;
    w.show();

    return a.exec();
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QNetworkConfigurationManager manager;
    if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
        // Get saved network configuration
        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
        settings.beginGroup(QLatin1String("QtNetwork"));
        const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
        settings.endGroup();

        // If the saved network configuration is not currently discovered use the system default
        QNetworkConfiguration config = manager.configurationFromIdentifier(id);
        if ((config.state() & QNetworkConfiguration::Discovered) !=
            QNetworkConfiguration::Discovered) {
            config = manager.defaultConfiguration();
        }

        QNetworkSession *networkSession = new QNetworkSession(config, &a);
        networkSession->open();
        networkSession->waitForOpened();

        if (networkSession->isOpen()) {
            // Save the used configuration
            QNetworkConfiguration config = networkSession->configuration();
            QString id;
            if (config.type() == QNetworkConfiguration::UserChoice) {
                id = networkSession->sessionProperty(
                        QLatin1String("UserChoiceConfiguration")).toString();
            } else {
                id = config.identifier();
            }

            QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
            settings.beginGroup(QLatin1String("QtNetwork"));
            settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
            settings.endGroup();
        }
    }


    RedDeerNote w;



    QSplashScreen *splash=new QSplashScreen;
    splash->setPixmap(QPixmap(":/icons/logord2.png"));
    splash->show();
    splash->showMessage( "Initializing..." );
    SleeperThread::msleep(300);
    splash->showMessage( "Load GUI..." );
    SleeperThread::msleep(300);
    splash->showMessage( "Load Library..." );
    SleeperThread::msleep(300);
    splash->showMessage( "Starting..." );
    SleeperThread::msleep(300);


    w.show();
    splash->finish(&w);
    delete splash;
    return a.exec();
}