first commit

NitroxServer/Communication/LiteNetLib/LiteNetLibConnection.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Net;
+using LiteNetLib;
+using LiteNetLib.Utils;
+using NitroxModel.Networking;
+using NitroxModel.Packets;
+
+namespace NitroxServer.Communication.LiteNetLib;
+
+public class LiteNetLibConnection : INitroxConnection, IEquatable<LiteNetLibConnection>
+{
+    private readonly NetDataWriter dataWriter = new();
+    private readonly NetPeer peer;
+
+    public IPEndPoint Endpoint => peer;
+    public NitroxConnectionState State => peer.ConnectionState.ToNitrox();
+
+    public LiteNetLibConnection(NetPeer peer)
+    {
+        this.peer = peer;
+    }
+
+    public void SendPacket(Packet packet)
+    {
+        if (peer.ConnectionState == ConnectionState.Connected)
+        {
+            byte[] packetData = packet.Serialize();
+            dataWriter.Reset();
+            dataWriter.Put(packetData.Length);
+            dataWriter.Put(packetData);
+
+            peer.Send(dataWriter, (byte)packet.UdpChannel, NitroxDeliveryMethod.ToLiteNetLib(packet.DeliveryMethod));
+        }
+        else
+        {
+            Log.Warn($"Cannot send packet {packet?.GetType()} to a closed connection {peer as IPEndPoint}");
+        }
+    }
+
+    public static bool operator ==(LiteNetLibConnection left, LiteNetLibConnection right)
+    {
+        return Equals(left, right);
+    }
+
+    public static bool operator !=(LiteNetLibConnection left, LiteNetLibConnection right)
+    {
+        return !Equals(left, right);
+    }
+
+    public override bool Equals(object obj)
+    {
+        if (obj is null)
+        {
+            return false;
+        }
+
+        if (ReferenceEquals(this, obj))
+        {
+            return true;
+        }
+
+        if (obj.GetType() != GetType())
+        {
+            return false;
+        }
+
+        return Equals((LiteNetLibConnection)obj);
+    }
+
+    public override int GetHashCode()
+    {
+        return peer?.Id.GetHashCode() ?? 0;
+    }
+
+    public bool Equals(LiteNetLibConnection other)
+    {
+        return peer?.Id == other?.peer?.Id;
+    }
+}