Reorganizes Project (#41)

Projects/Server/NativeReader.cs

@@ -0,0 +1,82 @@
+/***************************************************************************
+ *                              NativeReader.cs
+ *                            -------------------
+ *   begin                : May 1, 2002
+ *   copyright            : (C) The RunUO Software Team
+ *   email                : info@runuo.com
+ *
+ *   $Id$
+ *
+ ***************************************************************************/
+
+/***************************************************************************
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ ***************************************************************************/
+
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+namespace Server
+{
+  public static class NativeReader
+  {
+    private static readonly INativeReader m_NativeReader;
+
+    static NativeReader()
+    {
+      if (Core.Unix)
+        m_NativeReader = new NativeReaderUnix();
+      else
+        m_NativeReader = new NativeReaderWin32();
+    }
+
+    public static unsafe void Read(IntPtr ptr, void* buffer, int length)
+    {
+      m_NativeReader.Read(ptr, buffer, length);
+    }
+  }
+
+  public interface INativeReader
+  {
+    unsafe void Read(IntPtr ptr, void* buffer, int length);
+  }
+
+  public sealed class NativeReaderWin32 : INativeReader
+  {
+    public unsafe void Read(IntPtr ptr, void* buffer, int length)
+    {
+      uint lpNumberOfBytesRead = 0;
+      UnsafeNativeMethods.ReadFile(ptr, buffer, (uint)length, ref lpNumberOfBytesRead, null);
+    }
+
+    internal static class UnsafeNativeMethods
+    {
+      /*[DllImport("kernel32")]
+      internal unsafe static extern int _lread(IntPtr hFile, void* lpBuffer, int wBytes);*/
+
+      [DllImport("kernel32")]
+      internal static extern unsafe bool ReadFile(IntPtr hFile, void* lpBuffer, uint nNumberOfBytesToRead,
+        ref uint lpNumberOfBytesRead, NativeOverlapped* lpOverlapped);
+    }
+  }
+
+  public sealed class NativeReaderUnix : INativeReader
+  {
+    public unsafe void Read(IntPtr ptr, void* buffer, int length)
+    {
+      UnsafeNativeMethods.read(ptr, buffer, length);
+    }
+
+    internal static class UnsafeNativeMethods
+    {
+      [DllImport("libc")]
+      internal static extern unsafe int read(IntPtr ptr, void* buffer, int length);
+    }
+  }
+}