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Update to LibHac 0.6.0 (#792)

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* Update to LibHac 0.6.0

* Create an IFileSystemProxy object from LibHac

* Rename rc -> result

* Alignment and spacing

* Result formatting

* Spacing

* Sort usings
This commit is contained in:
Alex Barney 2019-10-17 01:17:44 -05:00 • committed by Ac_K
parent c0fe6cdca0
commit 8a8ea4c8c0
18 changed files with 353 additions and 404 deletions
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64
Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IDirectory.cs
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@ -1,21 +1,17 @@
using LibHac;
using System.Collections.Generic;
using System.Text;
using LibHac.Fs;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
{
class IDirectory : IpcService
{
private const int DirectoryEntrySize = 0x310;
private IEnumerator<LibHac.Fs.DirectoryEntry> _enumerator;
private LibHac.Fs.IDirectory _baseDirectory;
public IDirectory(LibHac.Fs.IDirectory directory)
{
_baseDirectory = directory;
_enumerator = directory.Read().GetEnumerator();
}
[Command(0)]
@ -25,60 +21,26 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
long bufferPosition = context.Request.ReceiveBuff[0].Position;
long bufferLen = context.Request.ReceiveBuff[0].Size;
int maxReadCount = (int)(bufferLen / DirectoryEntrySize);
int readCount = 0;
byte[] entriesBytes = new byte[bufferLen];
Span<DirectoryEntry> entries = MemoryMarshal.Cast<byte, DirectoryEntry>(entriesBytes);
try
{
while (readCount < maxReadCount && _enumerator.MoveNext())
{
long position = bufferPosition + readCount * DirectoryEntrySize;
Result result = _baseDirectory.Read(out long entriesRead, entries);
WriteDirectoryEntry(context, position, _enumerator.Current);
context.Memory.WriteBytes(bufferPosition, entriesBytes);
context.ResponseData.Write(entriesRead);
readCount++;
}
}
catch (HorizonResultException ex)
{
return (ResultCode)ex.ResultValue.Value;
}
context.ResponseData.Write((long)readCount);
return ResultCode.Success;
}
private void WriteDirectoryEntry(ServiceCtx context, long position, LibHac.Fs.DirectoryEntry entry)
{
for (int offset = 0; offset < 0x300; offset += 8)
{
context.Memory.WriteInt64(position + offset, 0);
}
byte[] nameBuffer = Encoding.UTF8.GetBytes(entry.Name);
context.Memory.WriteBytes(position, nameBuffer);
context.Memory.WriteInt32(position + 0x300, (int)entry.Attributes);
context.Memory.WriteInt32(position + 0x304, (byte)entry.Type);
context.Memory.WriteInt64(position + 0x308, entry.Size);
return (ResultCode)result.Value;
}
[Command(1)]
// GetEntryCount() -> u64
public ResultCode GetEntryCount(ServiceCtx context)
{
try
{
context.ResponseData.Write((long)_baseDirectory.GetEntryCount());
}
catch (HorizonResultException ex)
{
return (ResultCode)ex.ResultValue.Value;
}
Result result = _baseDirectory.GetEntryCount(out long entryCount);
return ResultCode.Success;
context.ResponseData.Write(entryCount);
return (ResultCode)result.Value;
}
}
}