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using LibHac;
using LibHac.Common;
using LibHac.Fs;
using LibHac.Sf;
using Ryujinx.Common;
namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
{
class IFile : DisposableIpcService
{
private SharedRef<LibHac.FsSrv.Sf.IFile> _baseFile;
public IFile(ref SharedRef<LibHac.FsSrv.Sf.IFile> baseFile)
{
_baseFile = SharedRef<LibHac.FsSrv.Sf.IFile>.CreateMove(ref baseFile);
}
[CommandCmif(0)]
// Read(u32 readOption, u64 offset, u64 size) -> (u64 out_size, buffer<u8, 0x46, 0> out_buf)
public ResultCode Read(ServiceCtx context)
{
ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
ulong bufferLen = context.Request.ReceiveBuff[0].Size;
ReadOption readOption = context.RequestData.ReadStruct<ReadOption>();
context.RequestData.BaseStream.Position += 4;
long offset = context.RequestData.ReadInt64();
long size = context.RequestData.ReadInt64();
using var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true);
Result result = _baseFile.Get.Read(out long bytesRead, offset, new OutBuffer(region.Memory.Span), size, readOption);
context.ResponseData.Write(bytesRead);
return (ResultCode)result.Value;
}
[CommandCmif(1)]
// Write(u32 writeOption, u64 offset, u64 size, buffer<u8, 0x45, 0>)
public ResultCode Write(ServiceCtx context)
{
ulong position = context.Request.SendBuff[0].Position;
WriteOption writeOption = context.RequestData.ReadStruct<WriteOption>();
context.RequestData.BaseStream.Position += 4;
long offset = context.RequestData.ReadInt64();
long size = context.RequestData.ReadInt64();
byte[] data = new byte[context.Request.SendBuff[0].Size];
context.Memory.Read(position, data);
return (ResultCode)_baseFile.Get.Write(offset, new InBuffer(data), size, writeOption).Value;
}
[CommandCmif(2)]
// Flush()
public ResultCode Flush(ServiceCtx context)
{
return (ResultCode)_baseFile.Get.Flush().Value;
}
[CommandCmif(3)]
// SetSize(u64 size)
public ResultCode SetSize(ServiceCtx context)
{
long size = context.RequestData.ReadInt64();
return (ResultCode)_baseFile.Get.SetSize(size).Value;
}
[CommandCmif(4)]
// GetSize() -> u64 fileSize
public ResultCode GetSize(ServiceCtx context)
{
Result result = _baseFile.Get.GetSize(out long size);
context.ResponseData.Write(size);
return (ResultCode)result.Value;
}
protected override void Dispose(bool isDisposing)
{
if (isDisposing)
{
_baseFile.Destroy();
}
}
}
}
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