sessionwidget.cpp Example File

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 #include "sessionwidget.h"
 #include "qnetworkconfigmanager.h"

 SessionWidget::SessionWidget(const QNetworkConfiguration &config, QWidget *parent)
 :   QWidget(parent), statsTimer(-1)
 {
     setupUi(this);

 #ifdef QT_NO_NETWORKINTERFACE
     interfaceName->setVisible(false);
     interfaceNameLabel->setVisible(false);
     interfaceGuid->setVisible(false);
     interfaceGuidLabel->setVisible(false);
 #endif

     session = new QNetworkSession(config, this);

     connect(session, SIGNAL(stateChanged(QNetworkSession::State)),
             this, SLOT(updateSession()));
     connect(session, SIGNAL(error(QNetworkSession::SessionError)),
             this, SLOT(updateSessionError(QNetworkSession::SessionError)));

     updateSession();

     sessionId->setText(QString("0x%1").arg(qulonglong(session), 8, 16, QChar('0')));

     configuration->setText(session->configuration().name());

     connect(openSessionButton, SIGNAL(clicked()),
             this, SLOT(openSession()));
     connect(openSyncSessionButton, SIGNAL(clicked()),
             this, SLOT(openSyncSession()));
     connect(closeSessionButton, SIGNAL(clicked()),
             this, SLOT(closeSession()));
     connect(stopSessionButton, SIGNAL(clicked()),
             this, SLOT(stopSession()));
 #ifdef MAEMO_UI
     connect(deleteSessionButton, SIGNAL(clicked()),
             this, SLOT(deleteSession()));
 #endif
 }

 SessionWidget::~SessionWidget()
 {
     delete session;
 }

 void SessionWidget::timerEvent(QTimerEvent *e)
 {
     if (e->timerId() == statsTimer) {
         rxData->setText(QString::number(session->bytesReceived()));
         txData->setText(QString::number(session->bytesWritten()));
         activeTime->setText(QString::number(session->activeTime()));
     }
 }

 #ifdef MAEMO_UI
 void SessionWidget::deleteSession()
 {
     delete this;
 }
 #endif

 void SessionWidget::updateSession()
 {
     updateSessionState(session->state());

     if (session->state() == QNetworkSession::Connected)
         statsTimer = startTimer(1000);
     else if (statsTimer != -1)
         killTimer(statsTimer);

     if (session->configuration().type() == QNetworkConfiguration::InternetAccessPoint)
         bearer->setText(session->configuration().bearerTypeName());
     else {
         QNetworkConfigurationManager mgr;
         QNetworkConfiguration c = mgr.configurationFromIdentifier(session->sessionProperty("ActiveConfiguration").toString());
         bearer->setText(c.bearerTypeName());
     }

 #ifndef QT_NO_NETWORKINTERFACE
     interfaceName->setText(session->interface().humanReadableName());
     interfaceGuid->setText(session->interface().name());
 #endif
 }

 void SessionWidget::openSession()
 {
     clearError();
     session->open();
     updateSession();
 }

 void SessionWidget::openSyncSession()
 {
     clearError();
     session->open();
     session->waitForOpened();
     updateSession();
 }

 void SessionWidget::closeSession()
 {
     clearError();
     session->close();
     updateSession();
 }

 void SessionWidget::stopSession()
 {
     clearError();
     session->stop();
     updateSession();
 }

 void SessionWidget::updateSessionState(QNetworkSession::State state)
 {
     QString s = tr("%1 (%2)");

     switch (state) {
     case QNetworkSession::Invalid:
         s = s.arg(tr("Invalid"));
         break;
     case QNetworkSession::NotAvailable:
         s = s.arg(tr("Not Available"));
         break;
     case QNetworkSession::Connecting:
         s = s.arg(tr("Connecting"));
         break;
     case QNetworkSession::Connected:
         s = s.arg(tr("Connected"));
         break;
     case QNetworkSession::Closing:
         s = s.arg(tr("Closing"));
         break;
     case QNetworkSession::Disconnected:
         s = s.arg(tr("Disconnected"));
         break;
     case QNetworkSession::Roaming:
         s = s.arg(tr("Roaming"));
         break;
     default:
         s = s.arg(tr("Unknown"));
     }

     if (session->isOpen())
         s = s.arg(tr("Open"));
     else
         s = s.arg(tr("Closed"));

     sessionState->setText(s);
 }

 void SessionWidget::updateSessionError(QNetworkSession::SessionError error)
 {
     lastError->setText(QString::number(error));
     errorString->setText(session->errorString());
 }

 void SessionWidget::clearError()
 {
     lastError->clear();
     errorString->clear();
 }