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ryujinx-final/Ryujinx.HLE/HOS/Services/FspSrv/IStorage.cs
Ac_K 4ad3936afd Refactoring result codes (#731)
* refactoring result codes

- Add a main enum who can handle some orphalin result codes and the default `ResultCode.Success` one.
- Add sub-enum by services when it's needed.
- Remove some empty line.
- Recast all service calls to ResultCode.
- Remove some unneeded static declaration.
- Delete unused `NvHelper` class.

* NvResult is back

* Fix
2019-07-14 16:04:38 -03:00

65 lines
No EOL
1.7 KiB
C#

using LibHac;
using Ryujinx.HLE.HOS.Ipc;
namespace Ryujinx.HLE.HOS.Services.FspSrv
{
class IStorage : IpcService
{
private LibHac.Fs.IStorage _baseStorage;
public IStorage(LibHac.Fs.IStorage baseStorage)
{
_baseStorage = baseStorage;
}
[Command(0)]
// Read(u64 offset, u64 length) -> buffer<u8, 0x46, 0> buffer
public ResultCode Read(ServiceCtx context)
{
long offset = context.RequestData.ReadInt64();
long size = context.RequestData.ReadInt64();
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];
try
{
_baseStorage.Read(data, offset);
}
catch (HorizonResultException ex)
{
return (ResultCode)ex.ResultValue.Value;
}
context.Memory.WriteBytes(buffDesc.Position, data);
}
return ResultCode.Success;
}
[Command(4)]
// GetSize() -> u64 size
public ResultCode GetSize(ServiceCtx context)
{
try
{
context.ResponseData.Write(_baseStorage.GetSize());
}
catch (HorizonResultException ex)
{
return (ResultCode)ex.ResultValue.Value;
}
return ResultCode.Success;
}
}
}