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ryujinx-final/Ryujinx.HLE/HOS/Services/FspSrv/IStorage.cs
Alex Barney fb1d9493a3 Adjust naming conventions and general refactoring in HLE Project (#527)
* Rename enum fields

* Naming conventions

* Remove unneeded ".this"

* Remove unneeded semicolons

* Remove unused Usings

* Don't use var

* Remove unneeded enum underlying types

* Explicitly label class visibility

* Remove unneeded @ prefixes

* Remove unneeded commas

* Remove unneeded if expressions

* Method doesn't use unsafe code

* Remove unneeded casts

* Initialized objects don't need an empty constructor

* Remove settings from DotSettings

* Revert "Explicitly label class visibility"

This reverts commit ad5eb5787cc5b27a4631cd46ef5f551c4ae95e51.

* Small changes

* Revert external enum renaming

* Changes from feedback

* Apply previous refactorings to the merged code
2018-12-06 09:16:24 -02:00

55 lines
1.5 KiB
C#

using Ryujinx.HLE.HOS.Ipc;
using System.Collections.Generic;
using System.IO;
namespace Ryujinx.HLE.HOS.Services.FspSrv
{
class IStorage : IpcService
{
private Dictionary<int, ServiceProcessRequest> _commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
private Stream _baseStream;
public IStorage(Stream baseStream)
{
_commands = new Dictionary<int, ServiceProcessRequest>
{
{ 0, Read }
};
_baseStream = baseStream;
}
// Read(u64 offset, u64 length) -> buffer<u8, 0x46, 0> buffer
public long 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];
lock (_baseStream)
{
_baseStream.Seek(offset, SeekOrigin.Begin);
_baseStream.Read(data, 0, data.Length);
}
context.Memory.WriteBytes(buffDesc.Position, data);
}
return 0;
}
}
}