示例#1
0
 /// <summary>
 /// 文件流写入器
 /// </summary>
 /// <param name="cacheFile"></param>
 internal FileStreamWriter(FileStreamWriter cacheFile)
 {
     cache       = cacheFile.cache;
     Config      = cacheFile.Config;
     bufferPool  = SubBuffer.Pool.GetPool(Config.BufferSize);
     flushHandle = flush;
 }
示例#2
0
 /// <summary>
 /// 缓存主服务
 /// </summary>
 /// <param name="config">缓存主服务配置</param>
 public MasterServer(MasterServerConfig config)
 {
     Config = config ?? defaultConfig;
     if (Config.MinCompressSize <= 0)
     {
         Config.MinCompressSize = int.MaxValue;
     }
 }
示例#3
0
 /// <summary>
 /// 缓存管理
 /// </summary>
 /// <param name="config">缓存服务配置</param>
 /// <param name="tcpServer">缓存服务</param>
 internal CacheManager(MasterServerConfig config, AutoCSer.Net.TcpInternalServer.Server tcpServer)
 {
     Config     = config;
     TcpServer  = tcpServer;
     tcpQueue   = tcpServer.CallQueue;
     shortPaths = new ShortPathItem[config.GetShortPathCount];
     if (config.IsFile)
     {
         disposeHandle = Dispose;
         IsFile        = true;
         File          = new FileStreamWriter(this, config);
         foreach (Cache.MessageQueue.Node messageQueue in LoadMessageQueues)
         {
             messageQueue.Start();
         }
         LoadMessageQueues.SetNull();
         IsLoaded = CanWrite = true;
         AutoCSer.DomainUnload.Unloader.Add(disposeHandle, DomainUnload.Type.Action);
     }
     else
     {
         IsLoaded = CanWrite = true;
     }
 }
示例#4
0
        /// <summary>
        /// 文件流写入器
        /// </summary>
        /// <param name="cache"></param>
        /// <param name="config"></param>
        internal FileStreamWriter(CacheManager cache, MasterServerConfig config)
        {
            this.cache = cache;
            Config     = config;
            bufferPool = SubBuffer.Pool.GetPool(config.BufferSize);
            FileInfo file = new FileInfo(config.GetFileName);

            FileName   = file.FullName;
            IsDisposed = 1;
            FileMode    createMode = FileMode.CreateNew;
            FileBuffers buffer     = default(FileBuffers);

            try
            {
                if (file.Exists)
                {
                    if (file.Length == 0)
                    {
                        createMode = FileMode.Create;
                    }
                    else
                    {
                        fileStream = new FileStream(FileName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, bufferPool.Size, FileOptions.None);
                        bufferPool.Get(ref buffer.Buffer);
                        if (fileStream.Read(buffer.Buffer.Buffer, buffer.Buffer.StartIndex, fileHeaderSize) == fileHeaderSize)
                        {
                            fixed(byte *bufferFixed = buffer.Buffer.Buffer)
                            {
                                byte *bufferStart = bufferFixed + buffer.Buffer.StartIndex;

                                if (*(int *)bufferStart == FileHeader)
                                {
                                    Version = *(ulong *)(bufferStart + sizeof(int) * 2);
                                    FileInfo switchFile = new FileInfo(config.GetSwitchFileName);
                                    if (switchFile.Exists)
                                    {
                                        FileStream switchFileStream = new FileStream(switchFile.FullName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, bufferPool.Size, FileOptions.None);
                                        if (switchFileStream.Read(buffer.Buffer.Buffer, buffer.Buffer.StartIndex, fileHeaderSize) == fileHeaderSize && *(int *)bufferStart == FileHeader &&
                                            *(ulong *)(bufferStart + sizeof(int) * 2) > Version)
                                        {
                                            fileStream.Dispose();
                                            Version      = *(ulong *)(bufferStart + sizeof(int) * 2);
                                            fileStream   = switchFileStream;
                                            FileName     = switchFile.FullName;
                                            isSwitchFile = true;
                                        }
                                    }
                                    if (Version > 0)
                                    {
                                        LoadData loadData = new LoadData {
                                            Buffer = BufferLink.Head
                                        };
                                        int  count = fileStream.Read(buffer.Buffer.Buffer, buffer.Buffer.StartIndex, buffer.Buffer.Length), index = 0, compressionDataSize;
                                        long nextLength = (FileLength = fileStream.Length) - fileHeaderSize - count;
                                        do
                                        {
                                            while (count >= sizeof(int) * 2)
                                            {
                                                byte *read = bufferStart + index;
                                                if ((compressionDataSize = *(int *)read) < 0)
                                                {
                                                    if (count >= (compressionDataSize = -compressionDataSize) + sizeof(int) * 2)
                                                    {
                                                        buffer.CompressionBuffer.StartIndex = *(int *)(read + sizeof(int));
                                                        AutoCSer.IO.Compression.DeflateDeCompressor.Get(buffer.Buffer.Buffer, buffer.Buffer.StartIndex + (index += sizeof(int) * 2), compressionDataSize, ref buffer.CompressionBuffer);
                                                        if (buffer.CompressionBuffer.Buffer != null)
                                                        {
                                                            fixed(byte *dataFixed = buffer.CompressionBuffer.Buffer)
                                                            {
                                                                loadData.Set(buffer.CompressionBuffer.Buffer, buffer.CompressionBuffer.StartIndex, *(int *)(read + sizeof(int)), dataFixed);
                                                                if (!cache.Load(ref loadData))
                                                                {
                                                                    throw new InvalidDataException();
                                                                }
                                                            }
                                                            index += compressionDataSize;
                                                            count -= compressionDataSize + sizeof(int) * 2;
                                                            buffer.CompressionBuffer.Free();
                                                        }
                                                        else
                                                        {
                                                            throw new InvalidDataException();
                                                        }
                                                    }
                                                    else if (count + nextLength >= compressionDataSize + sizeof(int) * 2)
                                                    {
                                                        if (compressionDataSize + sizeof(int) * 2 <= buffer.Buffer.StartIndex)
                                                        {
                                                            break;
                                                        }
                                                        if (bigBuffer.Length < compressionDataSize)
                                                        {
                                                            bigBuffer = new byte[Math.Max(compressionDataSize, bigBuffer.Length << 1)];
                                                        }
                                                        System.Buffer.BlockCopy(buffer.Buffer.Buffer, buffer.Buffer.StartIndex + (index + sizeof(int) * 2), bigBuffer, 0, count -= sizeof(int) * 2);
                                                        do
                                                        {
                                                            index       = fileStream.Read(bigBuffer, count, compressionDataSize - count);
                                                            nextLength -= index;
                                                            count      += index;
                                                        }while (count != compressionDataSize);
                                                        buffer.CompressionBuffer.StartIndex = *(int *)(read + sizeof(int));
                                                        AutoCSer.IO.Compression.DeflateDeCompressor.Get(bigBuffer, 0, compressionDataSize, ref buffer.CompressionBuffer);
                                                        if (buffer.CompressionBuffer.Buffer != null)
                                                        {
                                                            fixed(byte *dataFixed = buffer.CompressionBuffer.Buffer)
                                                            {
                                                                loadData.Set(buffer.CompressionBuffer.Buffer, buffer.CompressionBuffer.StartIndex, *(int *)(read + sizeof(int)), dataFixed);
                                                                if (!cache.Load(ref loadData))
                                                                {
                                                                    throw new InvalidDataException();
                                                                }
                                                            }
                                                            index = count = 0;
                                                            buffer.CompressionBuffer.Free();
                                                        }
                                                        else
                                                        {
                                                            throw new InvalidDataException();
                                                        }
                                                    }
                                                    else
                                                    {
                                                        endError(ref buffer.Buffer, nextLength, index, count);
                                                        return;
                                                    }
                                                }
                                                else if (count >= compressionDataSize + sizeof(int))
                                                {
                                                    loadData.Set(buffer.Buffer.Buffer, buffer.Buffer.StartIndex + (index += sizeof(int)), compressionDataSize, bufferFixed);
                                                    if (!cache.Load(ref loadData))
                                                    {
                                                        throw new InvalidDataException();
                                                    }
                                                    index += compressionDataSize;
                                                    count -= compressionDataSize + sizeof(int);
                                                }
                                                else if (count + nextLength >= compressionDataSize + sizeof(int))
                                                {
                                                    if (compressionDataSize + sizeof(int) <= buffer.Buffer.StartIndex)
                                                    {
                                                        break;
                                                    }
                                                    if (bigBuffer.Length < compressionDataSize)
                                                    {
                                                        bigBuffer = new byte[Math.Max(compressionDataSize, bigBuffer.Length << 1)];
                                                    }
                                                    System.Buffer.BlockCopy(buffer.Buffer.Buffer, buffer.Buffer.StartIndex + (index + sizeof(int)), bigBuffer, 0, count -= sizeof(int));
                                                    do
                                                    {
                                                        index       = fileStream.Read(bigBuffer, count, compressionDataSize - count);
                                                        nextLength -= index;
                                                        count      += index;
                                                    }while (count != compressionDataSize);
                                                    fixed(byte *dataFixed = bigBuffer)
                                                    {
                                                        loadData.Set(bigBuffer, 0, compressionDataSize, dataFixed);
                                                        if (!cache.Load(ref loadData))
                                                        {
                                                            throw new InvalidDataException();
                                                        }
                                                    }
                                                    index = count = 0;
                                                }
                                                else
                                                {
                                                    endError(ref buffer.Buffer, nextLength, index, count);
                                                    return;
                                                }
                                            }
                                            if (nextLength == 0)
                                            {
                                                if (count == 0)
                                                {
                                                    fileStream.Seek(0, SeekOrigin.End);
                                                    IsDisposed = 0;
                                                }
                                                else
                                                {
                                                    endError(ref buffer.Buffer, nextLength, index, count);
                                                }
                                                return;
                                            }
                                            if (count != 0)
                                            {
                                                System.Buffer.BlockCopy(buffer.Buffer.Buffer, buffer.Buffer.StartIndex + index, buffer.Buffer.Buffer, buffer.Buffer.StartIndex, count);
                                            }
                                            index       = fileStream.Read(buffer.Buffer.Buffer, buffer.Buffer.StartIndex + count, buffer.Buffer.Length - count);
                                            nextLength -= index;
                                            count      += index;
                                            index       = 0;
                                        }while (true);
                                    }
                                }
                            }
                        }
                        if (!config.IsMoveBakUnknownFile)
                        {
                            throw new InvalidDataException();
                        }
                        fileStream.Dispose();
                        AutoCSer.IO.File.MoveBak(FileName);
                    }
                }
                fileStream = new FileStream(FileName, createMode, FileAccess.Write, FileShare.Read, bufferPool.Size, FileOptions.None);
                create(ref buffer.Buffer, Version);
            }
            finally
            {
                buffer.Free();
                BufferLink.Head.Array.SetNull();
                if (IsDisposed == 0)
                {
                    fileFlushSeconds = config.FileFlushSeconds;
                    Writers.PushNotNull(this);
                    OnTime.Set(Date.NowTime.OnTimeFlag.CacheFile);
                }
                else if (fileStream != null)
                {
                    fileStream.Dispose();
                }
            }
        }