private void WriteCount(SequentialFileWriter indexFile, int count) { byte[] buffer = new byte[4]; buffer[0] = (byte)(count); buffer[1] = (byte)(count >> 8); buffer[2] = (byte)(count >> 16); buffer[3] = (byte)(count >> 24); indexFile.Write(buffer, 0, buffer.Length); }
private void OpenFiles() { itemData = new SequentialFileWriter(World.ItemDataPath, metrics); itemIndex = new SequentialFileWriter(World.ItemIndexPath, metrics); mobileData = new SequentialFileWriter(World.MobileDataPath, metrics); mobileIndex = new SequentialFileWriter(World.MobileIndexPath, metrics); guildData = new SequentialFileWriter(World.GuildDataPath, metrics); guildIndex = new SequentialFileWriter(World.GuildIndexPath, metrics); WriteCount(itemIndex, World.Items.Count); WriteCount(mobileIndex, World.Mobiles.Count); WriteCount(guildIndex, BaseGuild.List.Count); }
public int CommitTo(SequentialFileWriter dataFile, SequentialFileWriter indexFile, int typeCode, int serial) { Flush(); byte[] buffer = stream.GetBuffer(); int length = (int)stream.Length; long position = dataFile.Position; dataFile.Write(buffer, 0, length); if (indexBuffer == null) { indexBuffer = new byte[20]; } indexBuffer[0] = (byte)(typeCode); indexBuffer[1] = (byte)(typeCode >> 8); indexBuffer[2] = (byte)(typeCode >> 16); indexBuffer[3] = (byte)(typeCode >> 24); indexBuffer[4] = (byte)(serial); indexBuffer[5] = (byte)(serial >> 8); indexBuffer[6] = (byte)(serial >> 16); indexBuffer[7] = (byte)(serial >> 24); indexBuffer[8] = (byte)(position); indexBuffer[9] = (byte)(position >> 8); indexBuffer[10] = (byte)(position >> 16); indexBuffer[11] = (byte)(position >> 24); indexBuffer[12] = (byte)(position >> 32); indexBuffer[13] = (byte)(position >> 40); indexBuffer[14] = (byte)(position >> 48); indexBuffer[15] = (byte)(position >> 56); indexBuffer[16] = (byte)(length); indexBuffer[17] = (byte)(length >> 8); indexBuffer[18] = (byte)(length >> 16); indexBuffer[19] = (byte)(length >> 24); indexFile.Write(indexBuffer, 0, indexBuffer.Length); stream.SetLength(0); return(length); }
private Task StartCommitTask(BlockingCollection <QueuedMemoryWriter> threadWriter, SequentialFileWriter data, SequentialFileWriter index) { Task commitTask = Task.Factory.StartNew(() => { while (!(threadWriter.IsCompleted)) { QueuedMemoryWriter writer; try { writer = threadWriter.Take(); } catch (InvalidOperationException) { //Per MSDN, it's fine if we're here, successful completion of adding can rarely put us into this state. break; } writer.CommitTo(data, index); } }); return(commitTask); }
public void CommitTo(SequentialFileWriter dataFile, SequentialFileWriter indexFile) { this.Flush(); int memLength = (int)_memStream.Position; if (memLength > 0) { byte[] memBuffer = _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 < _orderedIndexInfo.Count; i++) { IndexInfo info = _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. }