fix(core): Fixes IPMatch and some cleanup (#443)

- [X] Fixes a bug where IPMatch was returning false on some IP ranges
- [X] Cleans up shrink table load.

Projects/Server.Tests/Tests/Buffers/CircularBufferReaderTests.cs

@@ -62,7 +62,7 @@ namespace Server.Tests.Network
 
             var strLength = fixedLength > -1 ? Math.Min(value.Length, fixedLength) : value.Length;
             var chars = value.AsSpan(0, strLength);
-;
+
             encoding.GetBytes(chars, buffer.Slice(offset));
 
             var reader = new CircularBufferReader(buffer.SliceToLength(firstSize), buffer.Slice(firstSize));

Projects/Server.Tests/Tests/Utility/IPAddressTests.cs

@@ -53,6 +53,7 @@ namespace Server.Tests
         [InlineData("::1024:*-:1234", "::1024:8A13:1234", false, false)]
         [InlineData("::1024:?1:1234", "::1024:8A13:1234", false, false)]
         [InlineData("::1024:1_2:1234", "::1024:8A13:1234", false, false)]
+        [InlineData("172.16-31.*", "172.16.17.2", true, true)]
         public void TestIPMatch(string val, string addr, bool shouldMatch, bool shouldBeValid)
         {
             var address = IPAddress.Parse(addr);

Projects/Server/Network/ServerInfo.cs

@@ -21,7 +21,7 @@ namespace Server.Network
 {
     public sealed class ServerInfo
     {
-        private IPEndPoint m_Address;
+        private readonly IPEndPoint m_Address;
 
         public ServerInfo(string name, int fullPercent, TimeZoneInfo tz, IPEndPoint address)
         {
@@ -40,7 +40,7 @@ namespace Server.Network
         public IPEndPoint Address
         {
             get => m_Address;
-            set
+            init
             {
                 m_Address = value;
                 Span<byte> integer = stackalloc byte[4];

Projects/Server/Utilities/Utility.cs

@@ -317,7 +317,7 @@ namespace Server
                             }
 
                             isRange = true;
-                            match = match && num > number;
+                            match = match && num >= number;
                             number = 0;
                             break;
                         }

Projects/Server/World/World.cs

@@ -536,9 +536,7 @@ namespace Server
 
         private static void ProcessDecay()
         {
-            Item item;
-
-            while (_decayQueue.TryDequeue(out item))
+            while (_decayQueue.TryDequeue(out var item))
             {
                 if (item.OnDecay())
                 {
@@ -555,7 +553,7 @@ namespace Server
                 return;
             }
 
-            WaitForWriteCompletion(); // Blocks Save until current disk flush is done.s
+            WaitForWriteCompletion(); // Blocks Save until current disk flush is done.
 
             ++_Saves;
 

Projects/UOContent/Commands/Object Creation/Categorization.cs

@@ -72,7 +72,7 @@ namespace Server.Commands
         }
 
 #nullable enable
-        public static void RecurseExport(List<CAGJson> list, CategoryEntry ce, string category)
+        public static void RecurseExport(List<CAGJson> list, CategoryEntry ce, string? category)
         {
             category = string.IsNullOrWhiteSpace(category) ? ce.Title : $"{category}{ce.Title}";
 

Projects/UOContent/Misc/ShrinkTable.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 
 namespace Server
@@ -17,37 +18,27 @@ namespace Server
 
         public static int Lookup(int body, int defaultValue)
         {
-            if (m_Table == null)
+            m_Table ??= Load();
+            var index = body < m_Table.Length ? m_Table[body] : -1;
+            if (index < 0)
             {
-                Load();
+                return defaultValue;
             }
 
-            var val = 0;
-
-            if (body >= 0 && body < m_Table!.Length)
-            {
-                val = m_Table[body];
-            }
-
-            if (val == 0)
-            {
-                val = defaultValue;
-            }
-
-            return val;
+            var val = m_Table[body];
+            return val == 0 ? defaultValue : val;
         }
 
-        private static void Load()
+        private static int[] Load()
         {
             var path = Path.Combine(Core.BaseDirectory, "Data/shrink.cfg");
 
             if (!File.Exists(path))
             {
-                m_Table = Array.Empty<int>();
-                return;
+                return Array.Empty<int>();
             }
 
-            m_Table = new int[1000];
+            var table = new List<int>();
 
             using var ip = new StreamReader(path);
             string line;
@@ -70,9 +61,9 @@ namespace Server
                         var body = Utility.ToInt32(split[0]);
                         var item = Utility.ToInt32(split[1]);
 
-                        if (body >= 0 && body < m_Table.Length)
+                        if (body >= 0)
                         {
-                            m_Table[body] = item;
+                            table[body] = item;
                         }
                     }
                 }
@@ -81,6 +72,8 @@ namespace Server
                     // ignored
                 }
             }
+
+            return table.ToArray();
         }
     }
 }