/// <summary>
/// Enumerates all non-archive local files, BLT encodes them and adds them to the InstallFile
/// </summary>
/// <param name="maxDegreeOfParallelism"></param>
/// <returns></returns>
public void ExportFiles(int maxDegreeOfParallelism = 15)
{
var results = new ConcurrentBag <CASRecord>();
var block = new ActionBlock <string>(file =>
{
// strip the local path and normalise
var name = file[(file.IndexOf(BaseDirectory, Comparison) + BaseDirectory.Length)..].WoWNormalise();
// block table encode and export to the temp folder
// then add appropiate tags
var record = BlockTableEncoder.EncodeAndExport(file, Options.TempDirectory, name);
record.Tags = TagGenerator.GetTags(file);
if (!EncodingCache.ContainsEKey(record.EKey))
{
EncodingCache.AddOrUpdate(record);
}
else
{
record.BLTEPath = "";
}
results.Add(record);
},
/// <summary>
/// 设置输出数据
/// </summary>
/// <param name="charStream"></param>
/// <param name="encoding"></param>
internal unsafe void SetBody(CharStream charStream, ref EncodingCache encoding)
{
if (charStream.Data.CurrentIndex == 0)
{
SetBody();
}
else
{
freeBody();
int size = encoding.GetByteCountNotNull(charStream);
AutoCSer.SubBuffer.Pool.GetBuffer(ref SubBuffer, size);
if (SubBuffer.PoolBuffer.Pool == null)
{
encoding.WriteBytes(charStream, Body.Array = SubBuffer.Buffer);
SubBuffer.Buffer = null;
Type = ResponseType.ByteArray;
}
else
{
Body.Set(SubBuffer.Buffer, SubBuffer.StartIndex, size);
encoding.WriteBytes(charStream, ref Body);
Type = ResponseType.SubBuffer;
}
}
}
/// <summary>
/// Extracts a collection of files from an archive and BLTE encodes them
/// </summary>
/// <param name="mpq"></param>
/// <param name="filenames"></param>
/// <param name="maxDegreeOfParallelism"></param>
/// <returns></returns>
private async Task ExportFiles(MpqArchive mpq, IEnumerable <string> filenames, bool applyTags = false, int maxDegreeOfParallelism = 150)
{
var block = new ActionBlock <string>(file =>
{
using var fs = mpq.OpenFile(file);
// ignore PTCH files
if (fs.Flags.HasFlag(MPQFileAttributes.PatchFile))
{
return;
}
// patch has marked file for deletion so remove from filelist
if (fs.Flags.HasFlag(MPQFileAttributes.DeleteMarker))
{
FileList.TryRemove(file, out _);
return;
}
if (fs.CanRead && fs.Length > 0)
{
var map = BlockTableEncoder.GetEMapFromExtension(file, fs.Length);
if (!EncodingCache.TryGetRecord(MD5Hash.Parse(fs.GetMD5Hash()), file, out var record))
{
record = BlockTableEncoder.EncodeAndExport(fs, map, Options.TempDirectory, file);
EncodingCache.AddOrUpdate(record);
}
if (applyTags)
{
record.Tags = TagGenerator.GetTags(file, fs);
}
record.EBlock.EncodingMap = map;
FileList.TryAdd(file, record);
}
},
new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = maxDegreeOfParallelism
});
foreach (var file in filenames)
{
if (!FileList.ContainsKey(file))
{
block.Post(file);
}
}
block.Complete();
await block.Completion;
}
/// <summary>
/// 文件服务
/// </summary>
protected FileServer()
{
ResponseEncoding = new EncodingCache(WebConfig.Encoding ?? AutoCSer.Config.Pub.Default.Encoding);
if (ResponseEncoding.Encoding.CodePage == AutoCSer.Config.Pub.Default.Encoding.CodePage)
{
HtmlContentType = Http.ContentTypeAttribute.Html;
JsContentType = Http.ContentTypeAttribute.Js;
}
else
{
HtmlContentType = EncodingCache.Ascii.GetBytesNotEmpty("text/html; charset=" + ResponseEncoding.Encoding.WebName);
JsContentType = EncodingCache.Ascii.GetBytesNotEmpty("application/x-javascript; charset=" + ResponseEncoding.Encoding.WebName);
}
}
/// <summary>
/// 设置输出数据
/// </summary>
/// <param name="value"></param>
/// <param name="isAscii"></param>
/// <param name="encoding"></param>
internal unsafe void SetBody(string value, bool isAscii, ref EncodingCache encoding)
{
if (value.Length == 0)
{
SetBody();
}
else
{
freeBody();
if (isAscii && encoding.IsCompatibleAscii != 0)
{
int size = value.Length;
AutoCSer.SubBuffer.Pool.GetBuffer(ref SubBuffer, size);
fixed(char *textFixed = value)
fixed(byte *bufferFixed = SubBuffer.GetFixedBuffer())
{
if (SubBuffer.PoolBuffer.Pool == null)
{
Body.Array = SubBuffer.Buffer;
AutoCSer.Extensions.StringExtension.WriteBytes(textFixed, size, bufferFixed);
SubBuffer.Buffer = null;
Type = ResponseType.ByteArray;
}
else
{
Body.Set(SubBuffer.Buffer, SubBuffer.StartIndex, size);
AutoCSer.Extensions.StringExtension.WriteBytes(textFixed, size, bufferFixed + Body.Start);
Type = ResponseType.SubBuffer;
}
}
}
else
{
int size = encoding.GetByteCountNotNull(value);
AutoCSer.SubBuffer.Pool.GetBuffer(ref SubBuffer, size);
if (SubBuffer.PoolBuffer.Pool == null)
{
encoding.WriteBytesNotEmpty(value, Body.Array = SubBuffer.Buffer);
SubBuffer.Buffer = null;
Type = ResponseType.ByteArray;
}
else
{
Body.Set(SubBuffer.Buffer, SubBuffer.StartIndex, size);
encoding.WriteBytesNotEmpty(value, Body.Array, Body.Start);
Type = ResponseType.SubBuffer;
}
}
}
}
/// <summary>
/// 文件流写入器
/// </summary>
/// <param name="fileName">文件全名</param>
/// <param name="mode">打开方式</param>
/// <param name="fileShare">共享访问方式</param>
/// <param name="fileOption">附加选项</param>
/// <param name="bufferSize">缓冲区字节大小</param>
/// <param name="log">日志处理</param>
/// <param name="encoding">文件编码</param>
internal FileStreamWriter(string fileName, FileMode mode, FileShare fileShare, FileOptions fileOption, SubBuffer.Size bufferSize, ILog log, EncodingCache encoding)
{
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException("fileName is null");
}
FileName = fileName;
this.log = log;
this.fileShare = fileShare;
this.fileOption = fileOption;
this.encoding = encoding;
bufferPool = SubBuffer.Pool.GetPool(bufferSize);
open(mode);
}
/// <summary>
/// Iterates all loose files within the data directory and BLT encodes them
/// </summary>
/// <param name="filenames"></param>
public void EnumerateLooseDataFiles(IEnumerable <string> filenames)
{
if (!filenames.Any())
{
return;
}
Log.WriteLine("Exporting loose Data files");
var block = new ActionBlock <string>(file =>
{
var filename = GetInternalPath(file);
var record = BlockTableEncoder.EncodeAndExport(file, Options.TempDirectory, filename);
record.Tags = TagGenerator.GetTags(file);
if (!EncodingCache.ContainsEKey(record.EKey))
{
EncodingCache.AddOrUpdate(record);
}
else
{
record.BLTEPath = "";
}
FileList.TryAdd(filename, record);
},
new ExecutionDataflowBlockOptions {
MaxDegreeOfParallelism = 150
});
foreach (var f in filenames)
{
block.Post(f);
}
block.Complete();
block.Completion.Wait();
}
/// <summary>
/// Some alpha MPQs are hotswappable and only contain a single file and it's checksum
/// </summary>
/// <param name="mpq"></param>
/// <param name="archivename"></param>
private bool TryReadAlpha(MpqArchive mpq, string archivename)
{
// strip the local path and extension to get the filename
var file = Path.ChangeExtension(GetInternalPath(archivename), null).WoWNormalise();
if (FileList.ContainsKey(file))
{
return(true);
}
// add the filename as the listfile
var internalname = Path.GetFileName(file);
mpq.AddListFile(internalname);
// read file if known
if (mpq.HasFile(internalname))
{
using var fs = mpq.OpenFile(internalname);
if (fs.CanRead && fs.Length > 0)
{
var map = BlockTableEncoder.GetEMapFromExtension(file, fs.Length);
if (!EncodingCache.TryGetRecord(MD5Hash.Parse(fs.GetMD5Hash()), file, out var record))
{
record = BlockTableEncoder.EncodeAndExport(fs, map, Options.TempDirectory, file);
EncodingCache.AddOrUpdate(record);
}
record.EBlock.EncodingMap = map;
FileList.TryAdd(file, record);
return(true);
}
}
return(false);
}
internal void WriteNotPool(string value, byte[] buffer, ref EncodingCache encoding)
{
Buffer.Set(buffer, 0);
WriteIndex = encoding.WriteBytesNotEmpty(value, buffer);
IsWait = false;
}
internal void Write(string value, ref EncodingCache encoding)
{
WriteIndex += encoding.WriteBytesNotEmpty(value, Buffer.Buffer, WriteIndex);
}
internal void Set(UnmanagedStream responseStream, ref EncodingCache encoding)
{
this.ResponseStream = responseStream;
this.encoding = encoding;
}
