Essentials.Connectivity:

src/Essentials/src/Connectivity/Connectivity.Gtk.cs

@@ -1,20 +1,100 @@
+using System;
 using System.Collections.Generic;
+using System.Linq;
+using System.Net.NetworkInformation;
+
 using Microsoft.Maui.ApplicationModel;
 
 namespace Microsoft.Maui.Networking
 {
  partial class ConnectivityImplementation : IConnectivity
  {
- public NetworkAccess NetworkAccess =>
- throw ExceptionUtils.NotSupportedOrImplementedException;
+ void StartListeners()
+ {
+ NetworkChange.NetworkAddressChanged += NetworkStatusChanged;
+ NetworkChange.NetworkAvailabilityChanged += NetworkStatusChanged;
+ }
+
+ void NetworkStatusChanged(object sender, EventArgs e) => OnConnectivityChanged();
+
+ void StopListeners()
+ {
+ NetworkChange.NetworkAddressChanged -= NetworkStatusChanged;
+ NetworkChange.NetworkAvailabilityChanged -= NetworkStatusChanged;
+ }
+
+ public NetworkAccess NetworkAccess
+ {
+ get
+ {
+ if (!NetworkInterface.GetIsNetworkAvailable())
+ return NetworkAccess.None;
+
+ var allLoopback = NetworkInterface.GetAllNetworkInterfaces()
+ .All(ni => ni.NetworkInterfaceType == NetworkInterfaceType.Loopback);
+ if (allLoopback)
+ return NetworkAccess.None;
+
+ var gateways = NetworkInterface.GetAllNetworkInterfaces()
+ .Where(ni => ni.NetworkInterfaceType != NetworkInterfaceType.Loopback)
+ .SelectMany(ni => ni.GetIPProperties().GatewayAddresses);
+
+ if (gateways.Any())
+ return NetworkAccess.Internet;
+
+ return NetworkAccess.None;
+ }
+ }
+
+ ConnectionProfile ToConnectionType(NetworkInterface networkInterface)
+ {
+ switch (networkInterface.NetworkInterfaceType)
+ {
+ case NetworkInterfaceType.TokenRing:
+ case NetworkInterfaceType.Ethernet:
+ case NetworkInterfaceType.Ethernet3Megabit:
+ case NetworkInterfaceType.IPOverAtm:
+ case NetworkInterfaceType.FastEthernetT:
+ case NetworkInterfaceType.GigabitEthernet:
+ case NetworkInterfaceType.FastEthernetFx:
+ case NetworkInterfaceType.GenericModem:
+ return ConnectionProfile.Ethernet;
+
+ case NetworkInterfaceType.Wireless80211:
+ case NetworkInterfaceType.Wman:
+ return ConnectionProfile.WiFi;
+
+ case NetworkInterfaceType.Wwanpp2:
+ case NetworkInterfaceType.Wwanpp:
+ return ConnectionProfile.Cellular;
+
+ case NetworkInterfaceType.Ppp:
+ case NetworkInterfaceType.Fddi:
+ case NetworkInterfaceType.Isdn:
+ case NetworkInterfaceType.BasicIsdn:
+ case NetworkInterfaceType.PrimaryIsdn:
+ case NetworkInterfaceType.Tunnel:
+ case NetworkInterfaceType.VeryHighSpeedDsl:
+ case NetworkInterfaceType.AsymmetricDsl:
+ case NetworkInterfaceType.RateAdaptDsl:
+ case NetworkInterfaceType.SymmetricDsl:
+ case NetworkInterfaceType.Loopback:
+ case NetworkInterfaceType.Slip:
+ case NetworkInterfaceType.Atm:
+ case NetworkInterfaceType.MultiRateSymmetricDsl:
+ case NetworkInterfaceType.HighPerformanceSerialBus:
+ case NetworkInterfaceType.Unknown:
+ return ConnectionProfile.Unknown;
 
- public IEnumerable<ConnectionProfile> ConnectionProfiles =>
- throw ExceptionUtils.NotSupportedOrImplementedException;
+ default:
+ return ConnectionProfile.Unknown;
+ }
+ }
 
- void StartListeners() =>
- throw ExceptionUtils.NotSupportedOrImplementedException;
+ public IEnumerable<ConnectionProfile> ConnectionProfiles
+ {
+ get => NetworkInterface.GetAllNetworkInterfaces().Where(ni => ni.NetworkInterfaceType != NetworkInterfaceType.Loopback).Select(ToConnectionType);
+ } 
 
- void StopListeners() =>
- throw ExceptionUtils.NotSupportedOrImplementedException;
  }
 }