ryujinx/Ryujinx.HLE/HOS/Services/FspSrv/IStorage.cs
emmauss fe8fbb6fb9 Implement ContentManager and related services (#438)
* Implement contentmanager and related services

* small changes

* read system firmware version from nand

* add pfs support, write directoryentry info for romfs files

* add file check in fsp-srv:8

* add support for open fs of internal files

* fix filename when accessing pfs

* use switch style paths for contentpath

* close nca after verifying type

* removed publishing profiles, align directory entry

* fix style

* lots of style fixes

* yasf(yet another style fix)

* yasf(yet another style fix) plus symbols

* enforce path check on every fs access

* change enum type to default

* fix typo
2018-11-18 17:37:41 -02:00

56 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> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
private Stream BaseStream;
public IStorage(Stream BaseStream)
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, Read }
};
this.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;
}
}
}