Ryujinx/Ryujinx.Core/OsHle/Objects/FspSrv/IFileSystem.cs

247 lines
7.6 KiB
C#

using ChocolArm64.Memory;
using Ryujinx.Core.OsHle.Ipc;
using System.Collections.Generic;
using System.IO;
using static Ryujinx.Core.OsHle.Objects.ObjHelper;
namespace Ryujinx.Core.OsHle.Objects.FspSrv
{
class IFileSystem : IIpcInterface
{
private Dictionary<int, ServiceProcessRequest> m_Commands;
public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
private string Path;
public IFileSystem(string Path)
{
//TODO: implement.
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, CreateFile },
{ 1, DeleteFile },
{ 2, CreateDirectory },
{ 3, DeleteDirectory },
{ 4, DeleteDirectoryRecursively },
{ 5, RenameFile },
{ 6, RenameDirectory },
{ 7, GetEntryType },
{ 8, OpenFile },
{ 9, OpenDirectory },
{ 10, Commit },
//{ 11, GetFreeSpaceSize },
//{ 12, GetTotalSpaceSize },
//{ 13, CleanDirectoryRecursively },
//{ 14, GetFileTimeStampRaw }
};
this.Path = Path;
}
public long CreateFile(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
ulong Mode = Context.RequestData.ReadUInt64();
uint Size = Context.RequestData.ReadUInt32();
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName != null)
{
FileStream NewFile = File.Create(FileName);
NewFile.SetLength(Size);
NewFile.Close();
return 0;
}
//TODO: Correct error code.
return -1;
}
public long DeleteFile(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName != null)
{
File.Delete(FileName);
return 0;
}
//TODO: Correct error code.
return -1;
}
public long CreateDirectory(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName != null)
{
Directory.CreateDirectory(FileName);
return 0;
}
//TODO: Correct error code.
return -1;
}
public long DeleteDirectory(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName != null)
{
Directory.Delete(FileName);
return 0;
}
// TODO: Correct error code.
return -1;
}
public long DeleteDirectoryRecursively(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName != null)
{
Directory.Delete(FileName, true); // recursive = true
return 0;
}
// TODO: Correct error code.
return -1;
}
public long RenameFile(ServiceCtx Context)
{
long OldPosition = Context.Request.PtrBuff[0].Position;
long NewPosition = Context.Request.PtrBuff[0].Position;
string OldName = AMemoryHelper.ReadAsciiString(Context.Memory, OldPosition);
string NewName = AMemoryHelper.ReadAsciiString(Context.Memory, NewPosition);
string OldFileName = Context.Ns.VFs.GetFullPath(Path, OldName);
string NewFileName = Context.Ns.VFs.GetFullPath(Path, NewName);
if (OldFileName != null && NewFileName != null)
{
File.Move(OldFileName, NewFileName);
return 0;
}
// TODO: Correct error code.
return -1;
}
public long RenameDirectory(ServiceCtx Context)
{
long OldPosition = Context.Request.PtrBuff[0].Position;
long NewPosition = Context.Request.PtrBuff[0].Position;
string OldName = AMemoryHelper.ReadAsciiString(Context.Memory, OldPosition);
string NewName = AMemoryHelper.ReadAsciiString(Context.Memory, NewPosition);
string OldDirName = Context.Ns.VFs.GetFullPath(Path, OldName);
string NewDirName = Context.Ns.VFs.GetFullPath(Path, NewName);
if (OldDirName != null && NewDirName != null)
{
Directory.Move(OldDirName, NewDirName);
return 0;
}
// TODO: Correct error code.
return -1;
}
public long GetEntryType(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName == null)
{
//TODO: Correct error code.
return -1;
}
bool IsFile = File.Exists(FileName);
Context.ResponseData.Write(IsFile ? 1 : 0);
return 0;
}
public long OpenFile(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
int FilterFlags = Context.RequestData.ReadInt32();
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string FileName = Context.Ns.VFs.GetFullPath(Path, Name);
if (FileName == null)
{
//TODO: Correct error code.
return -1;
}
if (File.Exists(FileName))
{
FileStream Stream = new FileStream(FileName, FileMode.OpenOrCreate);
MakeObject(Context, new IFile(Stream));
return 0;
}
//TODO: Correct error code.
return -1;
}
public long OpenDirectory(ServiceCtx Context)
{
long Position = Context.Request.PtrBuff[0].Position;
int FilterFlags = Context.RequestData.ReadInt32();
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position);
string DirName = Context.Ns.VFs.GetFullPath(Path, Name);
if(DirName != null)
{
if (Directory.Exists(DirName))
{
MakeObject(Context, new IDirectory(DirName, FilterFlags));
return 0;
}
else
{
// TODO: correct error code.
return -1;
}
}
// TODO: Correct error code.
return -1;
}
public long Commit(ServiceCtx Context)
{
return 0;
}
}
}