Line data    Source code

       1              : import 'package:universal_io/io.dart';
       2              : 
       3              : /// Represents a network interface with its network ID, host ID, and IP address.
       4              : class NetInterface {
       5              :   /// Creates a [NetInterface] with the given [networkId], [hostId], and [ipAddress].
       6            1 :   NetInterface({
       7              :     required this.networkId,
       8              :     required this.hostId,
       9              :     required this.ipAddress,
      10              :   });
      11              : 
      12              :   final String networkId;
      13              :   final int hostId;
      14              :   final String ipAddress;
      15              : 
      16              :   /// Returns the local network interface information for the first available IPv4 interface.
      17              :   ///
      18              :   /// This method fetches the list of network interfaces and returns a [NetInterface]
      19              :   /// object for the first interface found, or null if none are available.
      20            1 :   static Future<NetInterface?> localInterface() async {
      21            1 :     final interfaceList = await NetworkInterface.list(
      22              :       type: InternetAddressType.IPv4,
      23              :     ); //will give interface list
      24            1 :     if (interfaceList.isNotEmpty) {
      25              :       final localInterface =
      26            1 :           interfaceList.first; //fetching first interface like en0/eth0
      27            2 :       if (localInterface.addresses.isNotEmpty) {
      28            1 :         final address = localInterface.addresses
      29            1 :             .elementAt(0)
      30            1 :             .address; //gives IP address of GHA local machine.
      31            2 :         final networkId = address.substring(0, address.lastIndexOf('.'));
      32            1 :         final hostId = int.parse(
      33            4 :           address.substring(address.lastIndexOf('.') + 1, address.length),
      34              :         );
      35            1 :         return NetInterface(
      36              :           networkId: networkId,
      37              :           hostId: hostId,
      38              :           ipAddress: address,
      39              :         );
      40              :       }
      41              :     }
      42              :     return null;
      43              :   }
      44              : }