Ryujinx/Ryujinx.HLE/OsHle/Ipc/IpcHandleDesc.cs

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2018-02-04 23:08:20 +00:00
using System;
using System.IO;
namespace Ryujinx.HLE.OsHle.Ipc
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{
class IpcHandleDesc
{
public bool HasPId { get; private set; }
public long PId { get; private set; }
public int[] ToCopy { get; private set; }
public int[] ToMove { get; private set; }
public IpcHandleDesc(BinaryReader Reader)
{
int Word = Reader.ReadInt32();
HasPId = (Word & 1) != 0;
ToCopy = new int[(Word >> 1) & 0xf];
ToMove = new int[(Word >> 5) & 0xf];
PId = HasPId ? Reader.ReadInt64() : 0;
for (int Index = 0; Index < ToCopy.Length; Index++)
{
ToCopy[Index] = Reader.ReadInt32();
}
for (int Index = 0; Index < ToMove.Length; Index++)
{
ToMove[Index] = Reader.ReadInt32();
}
}
public IpcHandleDesc(int[] Copy, int[] Move)
{
ToCopy = Copy ?? throw new ArgumentNullException(nameof(Copy));
ToMove = Move ?? throw new ArgumentNullException(nameof(Move));
}
public IpcHandleDesc(int[] Copy, int[] Move, long PId) : this(Copy, Move)
{
this.PId = PId;
HasPId = true;
}
public static IpcHandleDesc MakeCopy(params int[] Handles)
{
return new IpcHandleDesc(Handles, new int[0]);
}
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public static IpcHandleDesc MakeMove(params int[] Handles)
{
return new IpcHandleDesc(new int[0], Handles);
}
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public byte[] GetBytes()
{
using (MemoryStream MS = new MemoryStream())
{
BinaryWriter Writer = new BinaryWriter(MS);
int Word = HasPId ? 1 : 0;
Word |= (ToCopy.Length & 0xf) << 1;
Word |= (ToMove.Length & 0xf) << 5;
Writer.Write(Word);
if (HasPId)
{
Writer.Write((long)PId);
}
foreach (int Handle in ToCopy)
{
Writer.Write(Handle);
}
foreach (int Handle in ToMove)
{
Writer.Write(Handle);
}
return MS.ToArray();
}
}
}
}