More features

SVSim.EmulatedEntrypoint/Services/SteamSessionService.cs

@@ -1,25 +1,15 @@
 using System.Collections.Concurrent;
-using System.Globalization;
-using Microsoft.Extensions.Caching.Memory;
 using Steamworks;
 
 namespace SVSim.EmulatedEntrypoint.Services;
 
 public class SteamSessionService : IDisposable
 {
-    private readonly ConcurrentDictionary<string, ulong> _validatedSessionTickets;
+    private readonly ConcurrentDictionary<string, ulong> _validatedSessionTickets = new();
+    private readonly object _initLock = new();
+    private bool _steamInitialized;
 
     private const int ShadowVerseAppId = 453480;
-    
-    public SteamSessionService()
-    {
-        _validatedSessionTickets = new ConcurrentDictionary<string, ulong>();
-        SteamServer.Init(ShadowVerseAppId, new SteamServerInit
-        {
-            GamePort = default,
-            QueryPort = default
-        });
-    }
 
     /// <summary>
     /// Validates if a given session ticket is valid, and matches up with the given steamid.
@@ -34,6 +24,8 @@ public class SteamSessionService : IDisposable
             return storedSteamId == steamId;
         }
 
+        EnsureSteamInitialized();
+
         List<byte> ticketBytes = new List<byte>();
         for (int i = 0; i < ticket.Length; i += 2)
         {
@@ -45,12 +37,30 @@ public class SteamSessionService : IDisposable
         {
             _validatedSessionTickets.TryAdd(ticket, steamId);
         }
-        
+
         return steamCheckResults;
     }
 
+    private void EnsureSteamInitialized()
+    {
+        if (_steamInitialized) return;
+        lock (_initLock)
+        {
+            if (_steamInitialized) return;
+            SteamServer.Init(ShadowVerseAppId, new SteamServerInit
+            {
+                GamePort = default,
+                QueryPort = default
+            });
+            _steamInitialized = true;
+        }
+    }
+
     public void Dispose()
     {
-        SteamServer.Shutdown();
+        if (_steamInitialized)
+        {
+            SteamServer.Shutdown();
+        }
     }
-}
+}