Ryujinx/Ryujinx.HLE/HOS/Services/Am/IStorageAccessor.cs

83 lines
2.1 KiB
C#
Raw Normal View History

using Ryujinx.HLE.HOS.Ipc;
2018-02-04 23:08:20 +00:00
using System;
using System.Collections.Generic;
2018-02-04 23:08:20 +00:00
namespace Ryujinx.HLE.HOS.Services.Am
2018-02-04 23:08:20 +00:00
{
class IStorageAccessor : IpcService
2018-02-04 23:08:20 +00:00
{
private Dictionary<int, ServiceProcessRequest> m_Commands;
2018-02-04 23:08:20 +00:00
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
private IStorage Storage;
public IStorageAccessor(IStorage Storage)
2018-02-04 23:08:20 +00:00
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
2018-04-24 18:57:39 +00:00
{ 0, GetSize },
{ 10, Write },
{ 11, Read }
};
this.Storage = Storage;
2018-02-04 23:08:20 +00:00
}
public long GetSize(ServiceCtx Context)
2018-02-04 23:08:20 +00:00
{
Context.ResponseData.Write((long)Storage.Data.Length);
2018-02-04 23:08:20 +00:00
return 0;
}
public long Write(ServiceCtx Context)
{
//TODO: Error conditions.
long WritePosition = Context.RequestData.ReadInt64();
(long Position, long Size) = Context.Request.GetBufferType0x21();
if (Size > 0)
{
long MaxSize = Storage.Data.Length - WritePosition;
if (Size > MaxSize)
{
Size = MaxSize;
}
byte[] Data = Context.Memory.ReadBytes(Position, Size);
Buffer.BlockCopy(Data, 0, Storage.Data, (int)WritePosition, (int)Size);
}
return 0;
}
public long Read(ServiceCtx Context)
2018-02-04 23:08:20 +00:00
{
//TODO: Error conditions.
long ReadPosition = Context.RequestData.ReadInt64();
2018-02-04 23:08:20 +00:00
(long Position, long Size) = Context.Request.GetBufferType0x22();
2018-02-04 23:08:20 +00:00
byte[] Data;
2018-02-04 23:08:20 +00:00
if (Storage.Data.Length > Size)
{
Data = new byte[Size];
2018-02-04 23:08:20 +00:00
Buffer.BlockCopy(Storage.Data, 0, Data, 0, (int)Size);
}
else
{
Data = Storage.Data;
2018-02-04 23:08:20 +00:00
}
Context.Memory.WriteBytes(Position, Data);
2018-02-04 23:08:20 +00:00
return 0;
}
}
}