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2025-05-01 07:20:41 +09:00
commit 98bb2e3c5c
2747 changed files with 646947 additions and 0 deletions
--- a/ServerCore/Sync/AtomicGuard.cs
+++ b/ServerCore/Sync/AtomicGuard.cs
@@ -0,0 +1,123 @@
+using System;
+using System.Net;
+using System.Threading;
+
+
+using GAURD_KEY = System.String;
+
+
+namespace ServerCore;
+
+//=============================================================================================
+// 병렬 프로그래밍 환경에서 특정 로직이 동시에 실행되지 않도록 보호하는 클래스 이다.
+//
+// author : kangms
+// 
+//=============================================================================================
+
+public class AtomicGuard : IDisposable
+{
+    private string m_try_guard_key = string.Empty;
+    private string m_using_guard_key = string.Empty;
+
+    private AtomicString? m_guard_key_nullable;
+    private AtomicBool? m_atomic_bool_nullable;
+
+    public AtomicGuard(GAURD_KEY guardKey)
+    {
+        m_try_guard_key = guardKey;
+    }
+
+    public AtomicGuard(AtomicString guardKey)
+    {
+        m_guard_key_nullable = guardKey;
+    }
+
+    public AtomicGuard(AtomicString guardKey, AtomicBool atomicBool)
+    {
+        m_guard_key_nullable = guardKey;
+        m_atomic_bool_nullable = atomicBool;
+    }
+
+    public bool tryGuard()
+    {
+        if (null == m_guard_key_nullable)
+        {
+            var err_msg = $"m_guard_key_nullable is null !!! in tryGuard() - guardKey:{m_try_guard_key}";
+            Log.getLogger().error(err_msg);
+
+            return false;
+        }
+
+        if(false == m_guard_key_nullable.compareAndSet(string.Empty, m_try_guard_key))
+        {
+            var err_msg = $"Failed to in compareAndSet() !!! in tryGuard() - guardKey:{m_try_guard_key}";
+            Log.getLogger().info(err_msg);
+
+            return false;
+        }
+
+        if (null == m_atomic_bool_nullable)
+        {
+            var err_msg = $"m_atomic_bool_nullable is null !!! in tryGuard() - guardKey:{m_try_guard_key}";
+            Log.getLogger().error(err_msg);
+
+            return false;
+        }
+
+        if (false == m_atomic_bool_nullable.set(true))
+        {
+            var err_msg = $"Failed to set true !!! in tryGuard() - guardKey:{m_try_guard_key}";
+            Log.getLogger().info(err_msg);
+
+            return false;
+        }
+
+        m_using_guard_key = m_try_guard_key;
+
+        return true;
+    }
+
+    public void Dispose()
+    {
+        if (null == m_guard_key_nullable)
+        {
+            var err_msg = $"m_guard_key_nullable is null !!! in Dispose() - guardKey:{m_try_guard_key}";
+            Log.getLogger().error(err_msg);
+
+            return;
+        }
+
+        var guard_key = m_guard_key_nullable.Value;
+
+        if (false == m_guard_key_nullable.compareAndSet(m_using_guard_key, string.Empty))
+        {
+            var err_msg = $"Failed to compareAndSet() !!! in Dispose() : usingGuardKey:{m_using_guard_key} - guardKey:{guard_key}";
+            Log.getLogger().info(err_msg);
+
+            return;
+        }
+
+        if (null == m_atomic_bool_nullable)
+        {
+            var err_msg = $"m_atomic_bool_nullable is null !!! in Dispose() - guardKey:{guard_key}";
+            Log.getLogger().error(err_msg);
+
+            return;
+        }
+
+        if (false == m_atomic_bool_nullable.set(false))
+        {
+            var err_msg = $"Failed to set false in Dispose() !!! - guardKey:{guard_key}";
+            Log.getLogger().error(err_msg);
+
+            return;
+        }
+    }
+
+    public void bindAtomic(AtomicString guardKey, AtomicBool atomicBool)
+    {
+        m_guard_key_nullable = guardKey;
+        m_atomic_bool_nullable = atomicBool;
+    }
+}