feat : 토큰 인증 RestApi 구현 / Token기반 haskKey구현 / Dummy, User Token체크 분기

MMOTestServer/MMOserver/Utils/Singleton.cs

@@ -0,0 +1,12 @@
+namespace MMOserver.Utils;
+
+public abstract class Singleton<T> where T : Singleton<T>, new()
+{
+    private static readonly Lazy<T> instance = new Lazy<T>(static () => new T(), LazyThreadSafetyMode.ExecutionAndPublication);
+
+    public static T Instance => instance.Value;
+
+    protected Singleton()
+    {
+    }
+}

MMOTestServer/MMOserver/Utils/UuidGeneratorManager.cs

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+using System.Collections.Concurrent;
+
+namespace MMOserver.Utils;
+
+public class UuidGeneratorManager : Singleton<UuidGeneratorManager>
+{
+    private long counter = 0;
+    private readonly ConcurrentDictionary<string, long> tokenMap = new();
+
+    // string token → 고유 long ID 변환 (멀티스레드 안전)
+    // 동일 token은 항상 같은 ID 반환
+    public long GetOrCreate(string token)
+    {
+        return tokenMap.GetOrAdd(token, _ => Interlocked.Increment(ref counter));
+    }
+
+    public bool TryGet(string token, out long id)
+    {
+        return tokenMap.TryGetValue(token, out id);
+    }
+}