daily update on 20240422 by nitload youmu, ssd structure improve

源代码/StgSharp/Data/GlobalData/idProvider.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Data
+{
+
+    public partial class Area
+    {
+        private static byte leastUnusedDisc;
+
+        public byte NewDisc(byte raidWith)
+        {
+            byte ret = leastUnusedDisc;
+            leastUnusedDisc++;
+            return ret;
+        }
+
+        public void ClearDiscIDBuffer()
+        {
+            leastUnusedDisc = 0;
+        }
+
+        private static int leastUnusedID;
+
+        public static int NewID()
+        {
+            int ret = leastUnusedID;
+            if (ret == int.MaxValue)
+            {
+                throw new ArgumentOutOfRangeException("Reaches max IDs that one ssd file can provide.");
+            }
+            leastUnusedID++;
+            return ret;
+        }
+
+        public static void ClearIDBuffer()
+        {
+            leastUnusedID = 1;
+        }
+
+    }
+
+}

源代码/StgSharp/Data/GlobalData/root.cs

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+using StgSharp.Data;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp
+{
+    public static unsafe partial class StgSharp
+    {
+        private static SSD defaultIdProvider = new SSD();
+        private static List<Area> root = new List<Area>();
+
+        private static byte leastUnusedArea;
+
+        public static byte NewArea()
+        {
+            byte ret = leastUnusedArea;
+            leastUnusedArea++;
+            return ret;
+        }
+
+
+    }//------------------ end of class ---------------------
+}