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Mod: Do LayeredFs loading Parallel to improve speed
This fixes and superseed #5672 due to inactivity, nothing more. (See original PR for description) Testing are welcome. Close #5661
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@ -18,6 +18,7 @@ using System.Collections.Specialized;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using ILazyFile = Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy.ILazyFile;
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using Path = System.IO.Path;
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namespace Ryujinx.HLE.HOS
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@ -512,7 +513,7 @@ namespace Ryujinx.HLE.HOS
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using (IFileSystem fs = new LocalFileSystem(mod.Path.FullName))
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{
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AddFiles(fs, mod.Name, fileSet, builder);
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AddFiles(fs, mod.Name, mod.Path.FullName, fileSet, builder);
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}
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count++;
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}
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@ -528,7 +529,7 @@ namespace Ryujinx.HLE.HOS
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Logger.Info?.Print(LogClass.ModLoader, $"Found 'romfs.bin' for Application {applicationId:X16}");
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using (IFileSystem fs = new RomFsFileSystem(mod.Path.OpenRead().AsStorage()))
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{
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AddFiles(fs, mod.Name, fileSet, builder);
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AddFiles(fs, mod.Name, mod.Path.FullName, fileSet, builder);
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}
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count++;
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}
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@ -561,18 +562,18 @@ namespace Ryujinx.HLE.HOS
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return newStorage;
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}
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private static void AddFiles(IFileSystem fs, string modName, ISet<string> fileSet, RomFsBuilder builder)
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private static void AddFiles(IFileSystem fs, string modName, string rootPath, ISet<string> fileSet, RomFsBuilder builder)
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{
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foreach (var entry in fs.EnumerateEntries()
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.AsParallel()
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.Where(f => f.Type == DirectoryEntryType.File)
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.OrderBy(f => f.FullPath, StringComparer.Ordinal))
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{
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using var file = new UniqueRef<IFile>();
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var file = new ILazyFile(entry.FullPath, rootPath, fs);
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fs.OpenFile(ref file.Ref, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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if (fileSet.Add(entry.FullPath))
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{
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builder.AddFile(entry.FullPath, file.Release());
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builder.AddFile(entry.FullPath, file);
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}
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else
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{
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65
src/Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/ILazyFile.cs
Normal file
65
src/Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/ILazyFile.cs
Normal file
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@ -0,0 +1,65 @@
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using LibHac;
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using LibHac.Common;
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using LibHac.Fs;
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using System;
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using System.IO;
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namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
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{
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public class ILazyFile : LibHac.Fs.Fsa.IFile
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{
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private readonly LibHac.Fs.Fsa.IFileSystem _fs;
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private readonly string _filePath;
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private readonly UniqueRef<LibHac.Fs.Fsa.IFile> _fileReference = new();
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private readonly FileInfo _fileInfo;
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public ILazyFile(string filePath, string prefix, LibHac.Fs.Fsa.IFileSystem fs)
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{
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_fs = fs;
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_filePath = filePath;
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_fileInfo = new FileInfo(prefix + "/" + filePath);
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}
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private void PrepareFile()
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{
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if (_fileReference.Get == null)
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{
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_fs.OpenFile(ref _fileReference.Ref, _filePath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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}
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}
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protected override Result DoRead(out long bytesRead, long offset, Span<byte> destination, in ReadOption option)
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{
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PrepareFile();
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return _fileReference.Get!.Read(out bytesRead, offset, destination);
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}
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protected override Result DoWrite(long offset, ReadOnlySpan<byte> source, in WriteOption option)
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{
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throw new NotSupportedException();
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}
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protected override Result DoFlush()
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{
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throw new NotSupportedException();
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}
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protected override Result DoSetSize(long size)
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{
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throw new NotSupportedException();
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}
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protected override Result DoGetSize(out long size)
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{
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size = _fileInfo.Length;
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return new Result(0);
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}
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protected override Result DoOperateRange(Span<byte> outBuffer, OperationId operationId, long offset, long size, ReadOnlySpan<byte> inBuffer)
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{
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throw new NotSupportedException();
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}
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}
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}
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