mirror of
https://github.com/GreemDev/Ryujinx.git
synced 2024-12-24 13:15:47 +00:00
85dbb9559a
* Rename enum fields * Naming conventions * Remove unneeded ".this" * Remove unneeded semicolons * Remove unused Usings * Don't use var * Remove unneeded enum underlying types * Explicitly label class visibility * Remove unneeded @ prefixes * Remove unneeded commas * Remove unneeded if expressions * Method doesn't use unsafe code * Remove unneeded casts * Initialized objects don't need an empty constructor * Remove settings from DotSettings * Revert "Explicitly label class visibility" This reverts commit ad5eb5787cc5b27a4631cd46ef5f551c4ae95e51. * Small changes * Revert external enum renaming * Changes from feedback * Remove unneeded property setters
403 lines
No EOL
12 KiB
C#
403 lines
No EOL
12 KiB
C#
using Ryujinx.HLE.FileSystem;
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using Ryujinx.HLE.HOS.Ipc;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using static Ryujinx.HLE.HOS.ErrorCode;
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using static Ryujinx.HLE.Utilities.StringUtils;
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namespace Ryujinx.HLE.HOS.Services.FspSrv
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{
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class IFileSystem : IpcService
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{
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private Dictionary<int, ServiceProcessRequest> _commands;
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public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
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private HashSet<string> _openPaths;
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private string _path;
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private IFileSystemProvider _provider;
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public IFileSystem(string path, IFileSystemProvider provider)
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{
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_commands = new Dictionary<int, ServiceProcessRequest>
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{
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{ 0, CreateFile },
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{ 1, DeleteFile },
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{ 2, CreateDirectory },
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{ 3, DeleteDirectory },
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{ 4, DeleteDirectoryRecursively },
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{ 5, RenameFile },
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{ 6, RenameDirectory },
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{ 7, GetEntryType },
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{ 8, OpenFile },
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{ 9, OpenDirectory },
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{ 10, Commit },
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{ 11, GetFreeSpaceSize },
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{ 12, GetTotalSpaceSize },
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{ 13, CleanDirectoryRecursively }
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//{ 14, GetFileTimeStampRaw }
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};
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_openPaths = new HashSet<string>();
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_path = path;
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_provider = provider;
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}
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// CreateFile(u32 mode, u64 size, buffer<bytes<0x301>, 0x19, 0x301> path)
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public long CreateFile(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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long mode = context.RequestData.ReadInt64();
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int size = context.RequestData.ReadInt32();
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string fileName = _provider.GetFullPath(name);
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if (fileName == null)
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (_provider.FileExists(fileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyExists);
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}
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if (IsPathAlreadyInUse(fileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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return _provider.CreateFile(fileName, size);
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}
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// DeleteFile(buffer<bytes<0x301>, 0x19, 0x301> path)
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public long DeleteFile(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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string fileName = _provider.GetFullPath(name);
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if (!_provider.FileExists(fileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (IsPathAlreadyInUse(fileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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return _provider.DeleteFile(fileName);
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}
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// CreateDirectory(buffer<bytes<0x301>, 0x19, 0x301> path)
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public long CreateDirectory(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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string dirName = _provider.GetFullPath(name);
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if (dirName == null)
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (_provider.DirectoryExists(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyExists);
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}
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if (IsPathAlreadyInUse(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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_provider.CreateDirectory(dirName);
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return 0;
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}
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// DeleteDirectory(buffer<bytes<0x301>, 0x19, 0x301> path)
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public long DeleteDirectory(ServiceCtx context)
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{
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return DeleteDirectory(context, false);
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}
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// DeleteDirectoryRecursively(buffer<bytes<0x301>, 0x19, 0x301> path)
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public long DeleteDirectoryRecursively(ServiceCtx context)
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{
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return DeleteDirectory(context, true);
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}
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private long DeleteDirectory(ServiceCtx context, bool recursive)
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{
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string name = ReadUtf8String(context);
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string dirName = _provider.GetFullPath(name);
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if (!Directory.Exists(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (IsPathAlreadyInUse(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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_provider.DeleteDirectory(dirName, recursive);
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return 0;
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}
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// RenameFile(buffer<bytes<0x301>, 0x19, 0x301> oldPath, buffer<bytes<0x301>, 0x19, 0x301> newPath)
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public long RenameFile(ServiceCtx context)
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{
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string oldName = ReadUtf8String(context, 0);
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string newName = ReadUtf8String(context, 1);
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string oldFileName = _provider.GetFullPath(oldName);
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string newFileName = _provider.GetFullPath(newName);
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if (_provider.FileExists(oldFileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (_provider.FileExists(newFileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyExists);
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}
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if (IsPathAlreadyInUse(oldFileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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return _provider.RenameFile(oldFileName, newFileName);
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}
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// RenameDirectory(buffer<bytes<0x301>, 0x19, 0x301> oldPath, buffer<bytes<0x301>, 0x19, 0x301> newPath)
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public long RenameDirectory(ServiceCtx context)
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{
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string oldName = ReadUtf8String(context, 0);
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string newName = ReadUtf8String(context, 1);
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string oldDirName = _provider.GetFullPath(oldName);
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string newDirName = _provider.GetFullPath(newName);
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if (!_provider.DirectoryExists(oldDirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (!_provider.DirectoryExists(newDirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyExists);
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}
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if (IsPathAlreadyInUse(oldDirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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return _provider.RenameDirectory(oldDirName, newDirName);
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}
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// GetEntryType(buffer<bytes<0x301>, 0x19, 0x301> path) -> nn::fssrv::sf::DirectoryEntryType
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public long GetEntryType(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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string fileName = _provider.GetFullPath(name);
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if (_provider.FileExists(fileName))
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{
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context.ResponseData.Write(1);
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}
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else if (_provider.DirectoryExists(fileName))
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{
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context.ResponseData.Write(0);
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}
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else
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{
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context.ResponseData.Write(0);
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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return 0;
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}
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// OpenFile(u32 mode, buffer<bytes<0x301>, 0x19, 0x301> path) -> object<nn::fssrv::sf::IFile> file
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public long OpenFile(ServiceCtx context)
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{
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int filterFlags = context.RequestData.ReadInt32();
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string name = ReadUtf8String(context);
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string fileName = _provider.GetFullPath(name);
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if (!_provider.FileExists(fileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (IsPathAlreadyInUse(fileName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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long error = _provider.OpenFile(fileName, out IFile fileInterface);
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if (error == 0)
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{
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fileInterface.Disposed += RemoveFileInUse;
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lock (_openPaths)
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{
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_openPaths.Add(fileName);
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}
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MakeObject(context, fileInterface);
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return 0;
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}
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return error;
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}
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// OpenDirectory(u32 filter_flags, buffer<bytes<0x301>, 0x19, 0x301> path) -> object<nn::fssrv::sf::IDirectory> directory
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public long OpenDirectory(ServiceCtx context)
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{
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int filterFlags = context.RequestData.ReadInt32();
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string name = ReadUtf8String(context);
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string dirName = _provider.GetFullPath(name);
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if (!_provider.DirectoryExists(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (IsPathAlreadyInUse(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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long error = _provider.OpenDirectory(dirName, filterFlags, out IDirectory dirInterface);
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if (error == 0)
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{
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dirInterface.Disposed += RemoveDirectoryInUse;
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lock (_openPaths)
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{
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_openPaths.Add(dirName);
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}
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MakeObject(context, dirInterface);
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}
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return error;
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}
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// Commit()
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public long Commit(ServiceCtx context)
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{
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return 0;
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}
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// GetFreeSpaceSize(buffer<bytes<0x301>, 0x19, 0x301> path) -> u64 totalFreeSpace
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public long GetFreeSpaceSize(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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context.ResponseData.Write(_provider.GetFreeSpace(context));
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return 0;
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}
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// GetTotalSpaceSize(buffer<bytes<0x301>, 0x19, 0x301> path) -> u64 totalSize
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public long GetTotalSpaceSize(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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context.ResponseData.Write(_provider.GetFreeSpace(context));
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return 0;
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}
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// CleanDirectoryRecursively(buffer<bytes<0x301>, 0x19, 0x301> path)
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public long CleanDirectoryRecursively(ServiceCtx context)
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{
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string name = ReadUtf8String(context);
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string dirName = _provider.GetFullPath(name);
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if (!_provider.DirectoryExists(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
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}
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if (IsPathAlreadyInUse(dirName))
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{
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return MakeError(ErrorModule.Fs, FsErr.PathAlreadyInUse);
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}
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foreach (DirectoryEntry entry in _provider.GetEntries(dirName))
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{
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if (_provider.DirectoryExists(entry.Path))
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{
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_provider.DeleteDirectory(entry.Path, true);
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}
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else if (_provider.FileExists(entry.Path))
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{
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_provider.DeleteFile(entry.Path);
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}
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}
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return 0;
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}
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private bool IsPathAlreadyInUse(string path)
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{
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lock (_openPaths)
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{
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return _openPaths.Contains(path);
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}
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}
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private void RemoveFileInUse(object sender, EventArgs e)
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{
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IFile fileInterface = (IFile)sender;
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lock (_openPaths)
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{
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fileInterface.Disposed -= RemoveFileInUse;
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_openPaths.Remove(fileInterface.HostPath);
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}
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}
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private void RemoveDirectoryInUse(object sender, EventArgs e)
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{
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IDirectory dirInterface = (IDirectory)sender;
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lock (_openPaths)
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{
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dirInterface.Disposed -= RemoveDirectoryInUse;
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_openPaths.Remove(dirInterface.DirectoryPath);
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}
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}
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}
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} |