Initial commit

2026-09-06 07:46:23 +02:00 · 2022-01-25 22:20:53 +01:00
commit ec6778b2be
16 changed files with 1150 additions and 0 deletions
@@ -0,0 +1,49 @@
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+
+namespace HyperbolicDowloader.Networking;
+
+internal class NetworkUtilities
+{
+    public static UnicastIPAddressInformation? GetUnicastIPAddressInformation(IPAddress address)
+    {
+        foreach (NetworkInterface adapter in NetworkInterface.GetAllNetworkInterfaces())
+        {
+            foreach (UnicastIPAddressInformation unicastIPAddressInformation in adapter.GetIPProperties().UnicastAddresses)
+            {
+                if (unicastIPAddressInformation.Address.AddressFamily == AddressFamily.InterNetwork)
+                {
+                    if (address.Equals(unicastIPAddressInformation.Address))
+                    {
+                        return unicastIPAddressInformation;
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    public static IPAddress? GetIP4Adress()
+    {
+        using Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0);
+        socket.Connect("8.8.8.8", 65530);
+        IPEndPoint? endPoint = socket.LocalEndPoint as IPEndPoint;
+
+        return endPoint?.Address;
+    }
+
+    public static IPAddress GetBroadcastAddress(UnicastIPAddressInformation unicastAddress)
+    {
+        return GetBroadcastAddress(unicastAddress.Address, unicastAddress.IPv4Mask);
+    }
+
+    public static IPAddress GetBroadcastAddress(IPAddress address, IPAddress mask)
+    {
+        uint ipAddress = BitConverter.ToUInt32(address.GetAddressBytes(), 0);
+        uint ipMaskV4 = BitConverter.ToUInt32(mask.GetAddressBytes(), 0);
+        uint broadCastIpAddress = ipAddress | ~ipMaskV4;
+
+        return new IPAddress(BitConverter.GetBytes(broadCastIpAddress));
+    }
+}