Verfiying the network connection using Qt 4.4

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后悔当初 2020-12-17 01:34

I have an application which runs a tool that requires network connection. Now my aim is to check whether the user has a network connection, if he don\'t have one, i can stra

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野趣味 (楼主)

2020-12-17 02:08

this code will help you.

#include 
#include 

bool isConnectedToNetwork()
{
    QList ifaces = QNetworkInterface::allInterfaces();
    bool result = false;

    for (int i = 0; i < ifaces.count(); i++)
    {
        QNetworkInterface iface = ifaces.at(i);
        if ( iface.flags().testFlag(QNetworkInterface::IsUp)
             && !iface.flags().testFlag(QNetworkInterface::IsLoopBack) )
        {

#ifdef DEBUG
            // details of connection
            qDebug() << "name:" << iface.name() << endl
                    << "ip addresses:" << endl
                    << "mac:" << iface.hardwareAddress() << endl;
#endif

            // this loop is important
            for (int j=0; j