QT5 obtains the local IP address, computer name, network connection name, MAC address, subnet mask, and broadcast address.

QT5 obtains the local IP address, computer name, network connection name, MAC address, subnet mask, and broadcast address.
Get Host Name

/ *
  * Name: get_localmachine_name
  * Function: Get local machine name
  * Parameter: no
  * Returns: QString
  * /
QString CafesClient :: get_localmachine_name ()
{
     QString machineName = QHostInfo :: localHostName ();
     return machineName;
}

Get local IP Address

/ *
  * Name: get_localmachine_ip
  * Function: Get the IP address of the machine
  * Parameter: no
  * Returns: QString
  * /
QString CafesClient :: get_localmachine_ip ()
{
     QString ipAddress;
     QList ipAddressesList = QNetworkInterface :: allAddresses ();
     // use the first non-localhost IPv4 address
     for (int i = 0; i <ipAddressesList.size (); ++ i) {
         if (ipAddressesList.at (i)! = QHostAddress :: LocalHost &&
             ipAddressesList.at (i) .toIPv4Address ()) {
             ipAddress = ipAddressesList.at (i) .toString ();
             break;
         }
     }
     // if we did not find one, use IPv4 localhost
     if (ipAddress.isEmpty ())
         ipAddress = QHostAddress (QHostAddress :: LocalHost) .toString ();
     return ipAddress;
}

Obtain the network connection name and MAC address of the local machine.

/ *
  * Name: get_localmachine_mac
  * Function: Get the MAC address of the machine
  * Parameter: no
  * Returns: void
  * /
QString CafesClient :: get_localmachine_mac ()
{
     QList nets = QNetworkInterface :: allInterfaces ();
     int i = 0;
     foreach (QNetworkInterface ni, nets)
     {
         i ++;
         qDebug () <
   

Obtain the subnet mask and broadcast address of the local machine.

// In the context of the previous function
QList entryList = interface.addressEntries ();
// Get a list of IP address entries, each entry contains an IP address, a subnet mask, and a broadcast address
foreach (QNetworkAddressEntry entry, entryList)
{
     // Iterate through each IP address entry
qDebug () << ”IP Address:
             "<