C++ QNetworkConfiguration::isValid方法代码示例

void tst_QNetworkConfiguration::comparison()
{
    //test copy constructor and assignment operator
    //compare invalid connection points
    QNetworkConfiguration pt1;
    QVERIFY(!pt1.isValid());
    QVERIFY(pt1.type() == QNetworkConfiguration::Invalid);

    QNetworkConfiguration pt2(pt1);
    QVERIFY(pt1==pt2);
    QVERIFY(!(pt1!=pt2));
    QVERIFY(pt1.name() == pt2.name());
    QVERIFY(pt1.isValid() == pt2.isValid());
    QVERIFY(pt1.type() == pt2.type());
    QVERIFY(pt1.state() == pt2.state());
    QVERIFY(pt1.purpose() == pt2.purpose());


    QNetworkConfiguration pt3;
    pt3 = pt1;
    QVERIFY(pt1==pt3);
    QVERIFY(!(pt1!=pt3));
    QVERIFY(pt1.name() == pt3.name());
    QVERIFY(pt1.isValid() == pt3.isValid());
    QVERIFY(pt1.type() == pt3.type());
    QVERIFY(pt1.state() == pt3.state());
    QVERIFY(pt1.purpose() == pt3.purpose());

    //test case must run on machine that has valid connection points
    QNetworkConfigurationManager manager;
    QList<QNetworkConfiguration> preScanConfigs = manager.allConfigurations();

    QSignalSpy spy(&manager, SIGNAL(updateCompleted()));
    manager.updateConfigurations(); //initiate scans
    QTRY_VERIFY_WITH_TIMEOUT(spy.count() == 1, TestTimeOut); //wait for scan to complete

    QList<QNetworkConfiguration> configs = manager.allConfigurations(QNetworkConfiguration::Discovered);
    QVERIFY(configs.count());
    QNetworkConfiguration defaultConfig = manager.defaultConfiguration();
    QVERIFY(defaultConfig.isValid());
    QVERIFY(defaultConfig.type() != QNetworkConfiguration::Invalid);
    QVERIFY(!defaultConfig.name().isEmpty());

    pt3 = defaultConfig;
    QVERIFY(defaultConfig==pt3);
    QVERIFY(!(defaultConfig!=pt3));
    QVERIFY(defaultConfig.name() == pt3.name());
    QVERIFY(defaultConfig.isValid() == pt3.isValid());
    QVERIFY(defaultConfig.type() == pt3.type());
    QVERIFY(defaultConfig.state() == pt3.state());
    QVERIFY(defaultConfig.purpose() == pt3.purpose());
}

 foreach(const QNetworkConfiguration p, configs) {
     printConfigurationDetails(p);
     QVERIFY(p.isValid());
     QVERIFY(!(p.state() & QNetworkConfiguration::Undefined));
     QVERIFY(p.state() & QNetworkConfiguration::Defined);
     QVERIFY(p.state() & QNetworkConfiguration::Discovered);
 }

bool Network::openConnection(QString &netInterface)
{
    // Internet Access Point
    QNetworkConfigurationManager manager;

    const bool canStartIAP = (manager.capabilities()
        & QNetworkConfigurationManager::CanStartAndStopInterfaces);

    // If there is a default access point, use it
    QNetworkConfiguration cfg = manager.defaultConfiguration();

    if (!cfg.isValid() || !canStartIAP) {
        return false;
    }

    // Open session
    m_session = new QNetworkSession(cfg);
    m_session->open();
    // Waits for session to be open and continues after that
    m_session->waitForOpened();

    // Show interface name to the user
    QNetworkInterface iff = m_session->interface();
    netInterface = iff.humanReadableName();
    return true;
}

NetworkSessionManagerPrivate::NetworkSessionManagerPrivate(NetworkSessionManager *parent)
    : q_ptr(parent),
      networkSession(0),
#ifdef __ARMEL__
      isSessionReady(false)
#else
      isSessionReady(true)
#endif
{}

NetworkSessionManagerPrivate::~NetworkSessionManagerPrivate()
{
    if (networkSession)
        delete networkSession;
}

void NetworkSessionManagerPrivate::startSession()
{
    Q_Q(NetworkSessionManager);

#ifndef __ARMEL__
    emit q->sessionReady();
    return;
#endif

    if (networkSession && !isSessionReady) {
        networkSession->open();
    } else {

        QNetworkConfigurationManager manager;
        QNetworkConfiguration cfg = manager.defaultConfiguration();

        if (!cfg.isValid()) {
            QLatin1String msg("Network configuration manager -"
                          "invalid default configuration");
            qWarning() << msg;
            emit q->error(NetworkSessionManager::Configuration);
            return;
        }

        if (networkSession == 0) {
            networkSession = new QNetworkSession(cfg);

            connect(networkSession,
                    SIGNAL(error(QNetworkSession::SessionError)),
                    SLOT(sessionErrorHandler(QNetworkSession::SessionError)));
            connect(networkSession,
                    SIGNAL(stateChanged(QNetworkSession::State)),
                    SLOT(sessionStateHandler(QNetworkSession::State)));
            connect(networkSession, SIGNAL(opened()), SLOT(sessionOpened()));
        }

        // pops up connectivity if needed
        networkSession->open();
    }
}

void ConnectionManagerPrivate::printNetworkConfigStatus(const QNetworkConfiguration &config) {

    qDebug() << "Bearer:" << config.bearerTypeName();
    qDebug() << "Roaming available:" << config.isRoamingAvailable();
    qDebug() << "Valid:" << config.isValid();
    qDebug() << "Name:" << config.name();
    qDebug() << "Purpose:" << config.purpose();
    qDebug() << "State:" << config.state();
    qDebug() << "Type:" << config.type();
}

RSSListing::RSSListing(QWidget *parent)
    : QWidget(parent), currentReply(0)
{
#ifdef Q_OS_SYMBIAN
    // Set Internet Access Point
    QNetworkConfigurationManager manager;
    const bool canStartIAP = manager.capabilities() & QNetworkConfigurationManager::CanStartAndStopInterfaces;

    // Is there default access point, use it
    QNetworkConfiguration cfg = manager.defaultConfiguration();
    if (!cfg.isValid() || !canStartIAP) {
        // Available Access Points not found
        QMessageBox::warning(this, "Error", "No access point");
        return;
    }

    m_session = new QNetworkSession(cfg);
    m_session->open();
    m_session->waitForOpened();
#endif

    lineEdit = new QLineEdit(this);
    lineEdit->setText("http://labs.qt.nokia.com/blogs/feed");

    fetchButton = new QPushButton(tr("Fetch"), this);

    treeWidget = new QTreeWidget(this);
    connect(treeWidget, SIGNAL(itemActivated(QTreeWidgetItem*,int)),
            this, SLOT(itemActivated(QTreeWidgetItem*)));
    QStringList headerLabels;
    headerLabels << tr("Title") << tr("Link");
    treeWidget->setHeaderLabels(headerLabels);
    treeWidget->header()->setResizeMode(QHeaderView::ResizeToContents);

    connect(&manager, SIGNAL(finished(QNetworkReply*)),
             this, SLOT(finished(QNetworkReply*)));

    connect(lineEdit, SIGNAL(returnPressed()), this, SLOT(fetch()));
    connect(fetchButton, SIGNAL(clicked()), this, SLOT(fetch()));

    QVBoxLayout *layout = new QVBoxLayout(this);

    QHBoxLayout *hboxLayout = new QHBoxLayout;

    hboxLayout->addWidget(lineEdit);
    hboxLayout->addWidget(fetchButton);

    layout->addLayout(hboxLayout);
    layout->addWidget(treeWidget);

    setWindowTitle(tr("RSS listing example"));
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5)
    resize(640,480);
#endif
}

void GuiBehind::initConnection()
{
    // Connection
    QNetworkConfigurationManager manager;
    const bool canStartIAP = (manager.capabilities() & QNetworkConfigurationManager::CanStartAndStopInterfaces);
    QNetworkConfiguration cfg = manager.defaultConfiguration();
    if (!cfg.isValid() || (!canStartIAP && cfg.state() != QNetworkConfiguration::Active)) return;
    mNetworkSession = new QNetworkSession(cfg, this);
    connect(mNetworkSession, SIGNAL(opened()), this, SLOT(connectOpened()));
    connect(mNetworkSession, SIGNAL(error(QNetworkSession::SessionError)), this, SLOT(connectError(QNetworkSession::SessionError)));
    mNetworkSession->open();
}

void BearerEx::showConfigurations()
{
    listWidget->clear();
    QListWidgetItem* listItem;
    
    QNetworkConfiguration defaultConfig = m_NetworkConfigurationManager.defaultConfiguration();
    if (defaultConfig.type() == QNetworkConfiguration::UserChoice) {
        listItem = new QListWidgetItem();
        QFont font = listItem->font();
        font.setBold(true);
        font.setUnderline(true);
        listItem->setFont(font);        
        listItem->setText("       UserChoice");
        listItem->setData(Qt::UserRole, qVariantFromValue(defaultConfig));
        listWidget->addItem(listItem);
    }
    
    QList<QNetworkConfiguration> configurations = m_NetworkConfigurationManager.allConfigurations();
    for (int i=0; i<configurations.count(); i++)
    {
        listItem = new QListWidgetItem();
        QString text;
        if (configurations[i].type() == QNetworkConfiguration::InternetAccessPoint) {
            text.append("(IAP,");
        } else if (configurations[i].type() == QNetworkConfiguration::ServiceNetwork) {
            text.append("(SNAP,");
        }
        
        if ((configurations[i].state() & QNetworkConfiguration::Active) == QNetworkConfiguration::Active) {
            text.append("Act) ");
        } else if ((configurations[i].state() & QNetworkConfiguration::Discovered) == QNetworkConfiguration::Discovered) {
            text.append("Disc) ");
        } else {
            text.append("Def) ");
        }
        text.append(configurations[i].name());
        
        if (defaultConfig.isValid() && defaultConfig == configurations[i]) {
            QFont font = listItem->font();
            font.setBold(true);
            font.setUnderline(true);
            listItem->setFont(font);        
        }
        listItem->setText(text);
        listItem->setData(Qt::UserRole, qVariantFromValue(configurations[i]));
        listWidget->addItem(listItem);
    }
}

void BearerMonitor::configurationAdded(const QNetworkConfiguration &config, QTreeWidgetItem *parent)
{
    if (!config.isValid())
        return;

    QTreeWidgetItem *item = new QTreeWidgetItem;
    updateItem(item, config);

    if (parent)
        parent->addChild(item);
    else
        treeWidget->addTopLevelItem(item);

    if (config.type() == QNetworkConfiguration::ServiceNetwork) {
        foreach (const QNetworkConfiguration &child, config.children())
            configurationAdded(child, item);
    }

void ServiceDiscovery::openNetworkSession()
{
    DEBUG_TAG(3, "SD", "trying to open network session");

    // use the default network configuration and make sure that the link is open
    QList<QNetworkConfiguration> availableConfigs;
    QNetworkConfiguration defaultConfig = m_networkConfigManager->defaultConfiguration();

    if (defaultConfig.isValid()) {
        availableConfigs.append(defaultConfig);
    }
    availableConfigs.append(m_networkConfigManager->allConfigurations(QNetworkConfiguration::Discovered));

    DEBUG_TAG(2, "SD", "number of configs: " << availableConfigs.size());

    for (const QNetworkConfiguration &config: availableConfigs)
    {
        if (networkConfigIsQualified(config))
        {
            DEBUG_TAG(2, "SD", "network config: " << config.bearerTypeName() << config.bearerTypeFamily() << config.name());

            if (!m_networkSession.isNull())
            {
                m_networkSession->deleteLater();
            }

            m_networkSession = new QNetworkSession(config, this);

            connect(m_networkSession, &QNetworkSession::opened,
                    this, &ServiceDiscovery::networkSessionOpened);
            connect(m_networkSession, &QNetworkSession::closed,
                    this, &ServiceDiscovery::networkSessionClosed);
            connect(m_networkSession, static_cast<void (QNetworkSession::*)(QNetworkSession::SessionError)>(&QNetworkSession::error),
                    this, &ServiceDiscovery::networkSessionError);

            m_networkSession->open();

            return;
        }
        else
        {
            DEBUG_TAG(2, "SD", "unsupported network config: " << config.bearerTypeName() << config.bearerTypeFamily() << config.name());
        }
    }
}

void tst_QNetworkAccessManager::networkAccessible()
{
    QNetworkAccessManager manager;

    qRegisterMetaType<QNetworkAccessManager::NetworkAccessibility>("QNetworkAccessManager::NetworkAccessibility");

    QSignalSpy spy(&manager,
                   SIGNAL(networkAccessibleChanged(QNetworkAccessManager::NetworkAccessibility)));

    QCOMPARE(manager.networkAccessible(), QNetworkAccessManager::UnknownAccessibility);

    manager.setNetworkAccessible(QNetworkAccessManager::NotAccessible);

    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.takeFirst().at(0).value<QNetworkAccessManager::NetworkAccessibility>(),
             QNetworkAccessManager::NotAccessible);
    QCOMPARE(manager.networkAccessible(), QNetworkAccessManager::NotAccessible);

    manager.setNetworkAccessible(QNetworkAccessManager::Accessible);

    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.takeFirst().at(0).value<QNetworkAccessManager::NetworkAccessibility>(),
             QNetworkAccessManager::UnknownAccessibility);
    QCOMPARE(manager.networkAccessible(), QNetworkAccessManager::UnknownAccessibility);

    QNetworkConfigurationManager configManager;
    QNetworkConfiguration defaultConfig = configManager.defaultConfiguration();
    if (defaultConfig.isValid()) {
        manager.setConfiguration(defaultConfig);

        QCOMPARE(spy.count(), 1);
        QCOMPARE(spy.takeFirst().at(0).value<QNetworkAccessManager::NetworkAccessibility>(),
                 QNetworkAccessManager::Accessible);
        QCOMPARE(manager.networkAccessible(), QNetworkAccessManager::Accessible);

        manager.setNetworkAccessible(QNetworkAccessManager::NotAccessible);

        QCOMPARE(spy.count(), 1);
        QCOMPARE(QNetworkAccessManager::NetworkAccessibility(spy.takeFirst().at(0).toInt()),
                 QNetworkAccessManager::NotAccessible);
        QCOMPARE(manager.networkAccessible(), QNetworkAccessManager::NotAccessible);
    }
}

void tst_QNetworkConfiguration::invalidPoint()
{
    QNetworkConfiguration pt;

    QVERIFY(pt.name().isEmpty());
    QVERIFY(!pt.isValid());
    QVERIFY(pt.type() == QNetworkConfiguration::Invalid);
    QVERIFY(!(pt.state() & QNetworkConfiguration::Defined));
    QVERIFY(!(pt.state() & QNetworkConfiguration::Discovered));
    QVERIFY(!(pt.state() & QNetworkConfiguration::Active));
    QVERIFY(!pt.isRoamingAvailable());

    QNetworkConfiguration pt2(pt);
    QVERIFY(pt2.name().isEmpty());
    QVERIFY(!pt2.isValid());
    QVERIFY(pt2.type() == QNetworkConfiguration::Invalid);
    QVERIFY(!(pt2.state() & QNetworkConfiguration::Defined));
    QVERIFY(!(pt2.state() & QNetworkConfiguration::Discovered));
    QVERIFY(!(pt2.state() & QNetworkConfiguration::Active));
    QVERIFY(!pt2.isRoamingAvailable());

}

// ----------------------------------------------------------------------------
// getHostAddress (static)
// ----------------------------------------------------------------------------
QHostAddress NetworkTools::getHostAddress(const QNetworkConfiguration &in_network_config)
{
    if (in_network_config.isValid() == false) return QHostAddress();

    qDebug() << "NetworkTools::getHostAddress - configuration bearer type:" << in_network_config.bearerTypeName();

    QNetworkSession nws(in_network_config);
    if (nws.state() == QNetworkSession::Invalid || nws.state() == QNetworkSession::NotAvailable) return QHostAddress();

    qDebug() << "NetworkTools::getHostAddress - session state:" << nws.state();

    QNetworkInterface nwi = nws.interface();
    if (nwi.isValid() == false) return QHostAddress();
    if (nwi.addressEntries().isEmpty()) return QHostAddress();

    foreach(QNetworkAddressEntry temp, nwi.addressEntries())
        qDebug() << "NetworkTools::getHostAddress - session addr entry:" << temp.ip().toString();

    QNetworkAddressEntry nwae = nwi.addressEntries().first();
    QHostAddress host_address = nwae.ip();

    return host_address;
}

int main(int argc, char**argv)
{
    QCoreApplication app(argc, argv);

#ifdef Q_OS_SYMBIAN
    QNetworkConfigurationManager configurationManager;
    QNetworkConfiguration configuration = configurationManager.defaultConfiguration();
    if (!configuration.isValid()) {
        qDebug() << "Got an invalid session configuration";
        exit(1);
    }

    qDebug() << "Opening session...";
    QNetworkSession *session = new QNetworkSession(configuration);

    // Does not work:
//    session->open();
//    session->waitForOpened();

    // works:
    QEventLoop loop;
    QObject::connect(session, SIGNAL(opened()), &loop, SLOT(quit()), Qt::QueuedConnection);
    QMetaObject::invokeMethod(session, "open", Qt::QueuedConnection);
    loop.exec();


    if (session->isOpen()) {
        qDebug() << "session opened";
    } else {
        qDebug() << "session could not be opened -" << session->errorString();
        exit(1);
    }
#endif

    // create it
    QAbstractSocketEngine *socketEngine =
            QAbstractSocketEngine::createSocketEngine(QAbstractSocket::TcpSocket, QNetworkProxy(QNetworkProxy::NoProxy), 0);
    if (!socketEngine) {
        qDebug() << "could not create engine";
        exit(1);
    }

    // initialize it
    bool initialized = socketEngine->initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol);
    if (!initialized) {
        qDebug() << "not able to initialize engine";
        exit(1);
    }

    // wait for connected
    int r = socketEngine->connectToHost(QHostAddress("74.125.77.99"), 80); // google
    bool readyToRead = false;
    bool readyToWrite = false;
    socketEngine->waitForReadOrWrite(&readyToRead, &readyToWrite, true, true, 10*1000);
    if (r <= 0) //timeout or error
        exit(1);
    if (readyToWrite) {
        // write the request
        QByteArray request("GET /robots.txt HTTP/1.0\r\n\r\n");
        int ret = socketEngine->write(request.constData(), request.length());
        if (ret == request.length()) {
            // read the response in a loop
            do {
                bool waitReadResult = socketEngine->waitForRead(10*1000);
                int available = socketEngine->bytesAvailable();
                if (waitReadResult == true && available == 0) {
                    // disconnected
                    exit(0);
                }
                bzero(buf, bufsize);
                ret = socketEngine->read(buf, available);
                if (ret > 0) {
#ifdef Q_OS_SYMBIAN
                    qDebug() << buf; //printf goes only to screen, this goes to remote debug channel
#else
                    printf("%s", buf);
#endif
                } else {
                    // some failure when reading
                    exit(1);
                }
            } while (1);
        } else {
            qDebug() << "failed writing";
        }
    } else {
        qDebug() << "failed connecting";
    }
    delete socketEngine;
}

void printConfigurationDetails(const QNetworkConfiguration& p)
{
    qDebug() << p.name() <<":  isvalid->" <<p.isValid() << " type->"<< p.type() <<
                " roaming->" << p.isRoamingAvailable() << "identifier->" << p.identifier() <<
                " purpose->" << p.purpose() << " state->" << p.state();
}