Ryujinx/Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IStorage.cs
Alex Barney aa932a6df1
Update to LibHac v0.14.3 (#2925)
* Update to LibHac v0.14.3

* Fix loading NCAs that don't have a data partition
2021-12-23 13:55:50 -03:00

65 lines
1.8 KiB
C#

using LibHac;
using LibHac.Common;
using LibHac.Sf;
using Ryujinx.HLE.HOS.Ipc;
namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
{
class IStorage : DisposableIpcService
{
private SharedRef<LibHac.FsSrv.Sf.IStorage> _baseStorage;
public IStorage(ref SharedRef<LibHac.FsSrv.Sf.IStorage> baseStorage)
{
_baseStorage = SharedRef<LibHac.FsSrv.Sf.IStorage>.CreateMove(ref baseStorage);
}
[CommandHipc(0)]
// Read(u64 offset, u64 length) -> buffer<u8, 0x46, 0> buffer
public ResultCode Read(ServiceCtx context)
{
ulong offset = context.RequestData.ReadUInt64();
ulong size = context.RequestData.ReadUInt64();
if (context.Request.ReceiveBuff.Count > 0)
{
IpcBuffDesc buffDesc = context.Request.ReceiveBuff[0];
// Use smaller length to avoid overflows.
if (size > buffDesc.Size)
{
size = buffDesc.Size;
}
byte[] data = new byte[size];
Result result = _baseStorage.Get.Read((long)offset, new OutBuffer(data), (long)size);
context.Memory.Write(buffDesc.Position, data);
return (ResultCode)result.Value;
}
return ResultCode.Success;
}
[CommandHipc(4)]
// GetSize() -> u64 size
public ResultCode GetSize(ServiceCtx context)
{
Result result = _baseStorage.Get.GetSize(out long size);
context.ResponseData.Write(size);
return (ResultCode)result.Value;
}
protected override void Dispose(bool isDisposing)
{
if (isDisposing)
{
_baseStorage.Destroy();
}
}
}
}