Merge pull request #827 from Rhefew/feature/ip-connection-limit

feat(plugins): implement customizable maximum concurrent connections

(cherry picked from commit 0e30df9ae22a265c3486dea1eba259567631eb87)

src/GameServer/RemoteView/RemotePlayer.cs

@@ -1,4 +1,4 @@
-// <copyright file="RemotePlayer.cs" company="MUnique">
+// <copyright file="RemotePlayer.cs" company="MUnique">
 // Licensed under the MIT License. See LICENSE file in the project root for full license information.
 // </copyright>
 
@@ -16,12 +16,14 @@ using MUnique.OpenMU.PlugIns;
 /// <summary>
 /// A player which is playing through a remote connection.
 /// </summary>
-public class RemotePlayer : Player, IClientVersionProvider
+public class RemotePlayer : Player, IClientVersionProvider, IHasIpAddress
 {
     private readonly byte[] _packetBuffer = new byte[0xFF];
 
     private ClientVersion _clientVersion;
 
+    private readonly string? _ipAddress;
+
     /// <summary>
     /// Initializes a new instance of the <see cref="RemotePlayer"/> class.
     /// </summary>
@@ -33,6 +35,9 @@ public class RemotePlayer : Player, IClientVersionProvider
     {
         this.Connection = connection;
         this._clientVersion = clientVersion;
+        this._ipAddress = connection.EndPoint is System.Net.IPEndPoint ipEndPoint
+            ? (ipEndPoint.Address.IsIPv4MappedToIPv6 ? ipEndPoint.Address.MapToIPv4() : ipEndPoint.Address).ToString()
+            : null;
         this.MainPacketHandler = new MainPacketHandlerPlugInContainer(this, gameContext.PlugInManager, gameContext.LoggerFactory);
         this.MainPacketHandler.Initialize();
         this.Connection!.PacketReceived += this.PacketReceivedAsync;
@@ -42,6 +47,9 @@ public class RemotePlayer : Player, IClientVersionProvider
     /// <inheritdoc />
     public event EventHandler? ClientVersionChanged;
 
+    /// <inheritdoc />
+    public string? IpAddress => this._ipAddress;
+
     /// <summary>
     /// Gets the game server context.
     /// </summary>