Overwrite

Complete Overwrite of the Folder with the free shard. ServUO 57.3 has been added.

Server/Persistence/QueuedMemoryWriter.cs

@@ -0,0 +1,131 @@
+/***************************************************************************
+*                            QueuedMemoryWriter.cs
+*                            -------------------
+*   begin                : December 16, 2010
+*   copyright            : (C) The RunUO Software Team
+*   email                : info@runuo.com
+*
+*   $Id: QueuedMemoryWriter.cs 645 2010-12-23 11:36:25Z asayre $
+*
+***************************************************************************/
+
+
+
+
+
+
+
+
+/***************************************************************************
+*
+*   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.Collections.Generic;
+using System.IO;
+
+namespace Server
+{
+    public sealed class QueuedMemoryWriter : BinaryFileWriter
+    {
+        private readonly MemoryStream _memStream;
+        private readonly List<IndexInfo> _orderedIndexInfo = new List<IndexInfo>();
+        public QueuedMemoryWriter()
+            : base(new MemoryStream(1024 * 1024), true)
+        {
+            this._memStream = this.UnderlyingStream as MemoryStream;
+        }
+
+        protected override int BufferSize
+        {
+            get
+            {
+                return 512;
+            }
+        }
+        public void QueueForIndex(ISerializable serializable, int size)
+        {
+            IndexInfo info;
+
+            info.size = size;
+
+            info.typeCode = serializable.TypeReference;	//For guilds, this will automagically be zero.
+            info.serial = serializable.SerialIdentity;
+
+            this._orderedIndexInfo.Add(info);
+        }
+
+        public void CommitTo(SequentialFileWriter dataFile, SequentialFileWriter indexFile)
+        {
+            this.Flush();
+
+            int memLength = (int)this._memStream.Position;
+
+            if (memLength > 0)
+            {
+                byte[] memBuffer = this._memStream.GetBuffer();
+
+                long actualPosition = dataFile.Position;
+
+                dataFile.Write(memBuffer, 0, memLength);	//The buffer contains the data from many items.
+
+                //Console.WriteLine("Writing {0} bytes starting at {1}, with {2} things", memLength, actualPosition, _orderedIndexInfo.Count);
+
+                byte[] indexBuffer = new byte[20];
+
+                //int indexWritten = _orderedIndexInfo.Count * indexBuffer.Length;
+                //int totalWritten = memLength + indexWritten
+
+                for (int i = 0; i < this._orderedIndexInfo.Count; i++)
+                {
+                    IndexInfo info = this._orderedIndexInfo[i];
+
+                    int typeCode = info.typeCode;
+                    int serial = info.serial;
+                    int length = info.size;
+
+                    indexBuffer[0] = (byte)(info.typeCode);
+                    indexBuffer[1] = (byte)(info.typeCode >> 8);
+                    indexBuffer[2] = (byte)(info.typeCode >> 16);
+                    indexBuffer[3] = (byte)(info.typeCode >> 24);
+
+                    indexBuffer[4] = (byte)(info.serial);
+                    indexBuffer[5] = (byte)(info.serial >> 8);
+                    indexBuffer[6] = (byte)(info.serial >> 16);
+                    indexBuffer[7] = (byte)(info.serial >> 24);
+
+                    indexBuffer[8] = (byte)(actualPosition);
+                    indexBuffer[9] = (byte)(actualPosition >> 8);
+                    indexBuffer[10] = (byte)(actualPosition >> 16);
+                    indexBuffer[11] = (byte)(actualPosition >> 24);
+                    indexBuffer[12] = (byte)(actualPosition >> 32);
+                    indexBuffer[13] = (byte)(actualPosition >> 40);
+                    indexBuffer[14] = (byte)(actualPosition >> 48);
+                    indexBuffer[15] = (byte)(actualPosition >> 56);
+
+                    indexBuffer[16] = (byte)(info.size);
+                    indexBuffer[17] = (byte)(info.size >> 8);
+                    indexBuffer[18] = (byte)(info.size >> 16);
+                    indexBuffer[19] = (byte)(info.size >> 24);
+
+                    indexFile.Write(indexBuffer, 0, indexBuffer.Length);
+
+                    actualPosition += info.size;
+                }
+            }
+
+            this.Close();	//We're done with this writer.
+        }
+
+        private struct IndexInfo
+        {
+            public int size;
+            public int typeCode;
+            public int serial;
+        }
+    }
+}