baseline: OpenMU upstream b5a0961 (fresh source)

src/Interfaces/IGameServerStateObserver.cs

@@ -0,0 +1,33 @@
+// <copyright file="IGameServerStateObserver.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Interfaces;
+
+using System.Net;
+
+/// <summary>
+/// An interface for an object which observes the state of game servers.
+/// </summary>
+public interface IGameServerStateObserver
+{
+    /// <summary>
+    /// Registers the game server, so that it can be accessed through the connect server.
+    /// </summary>
+    /// <param name="gameServer">The game server information.</param>
+    /// <param name="publicEndPoint">The public end point.</param>
+    void RegisterGameServer(ServerInfo gameServer, IPEndPoint publicEndPoint);
+
+    /// <summary>
+    /// Un-registers the game server from the observer.
+    /// </summary>
+    /// <param name="gameServerId">The game server identifier.</param>
+    void UnregisterGameServer(ushort gameServerId);
+
+    /// <summary>
+    /// Is called when the number of <see cref="ServerInfo.CurrentConnections"/> changed for a server.
+    /// </summary>
+    /// <param name="serverId">The server id.</param>
+    /// <param name="currentConnections">The number of current connections, <see cref="ServerInfo.CurrentConnections"/>.</param>
+    void CurrentConnectionsChanged(ushort serverId, int currentConnections);
+}