Ryujinx/Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs

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using Ryujinx.Horizon.Common;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Horizon.Sdk.Sf.Cmif
{
class DomainServiceObjectDispatchTable : ServiceDispatchTableBase
{
public override Result ProcessMessage(ref ServiceDispatchContext context, ReadOnlySpan<byte> inRawData)
{
return ProcessMessageImpl(ref context, ((DomainServiceObject)context.ServiceObject).GetServerDomain(), inRawData);
}
private Result ProcessMessageImpl(ref ServiceDispatchContext context, ServerDomainBase domain, ReadOnlySpan<byte> inRawData)
{
if (inRawData.Length < Unsafe.SizeOf<CmifDomainInHeader>())
{
return SfResult.InvalidHeaderSize;
}
var inHeader = MemoryMarshal.Cast<byte, CmifDomainInHeader>(inRawData)[0];
ReadOnlySpan<byte> inDomainRawData = inRawData.Slice(Unsafe.SizeOf<CmifDomainInHeader>());
int targetObjectId = inHeader.ObjectId;
switch (inHeader.Type)
{
case CmifDomainRequestType.SendMessage:
var targetObject = domain.GetObject(targetObjectId);
if (targetObject == null)
{
return SfResult.TargetNotFound;
}
if (inHeader.DataSize + inHeader.ObjectsCount * sizeof(int) > inDomainRawData.Length)
{
return SfResult.InvalidHeaderSize;
}
ReadOnlySpan<byte> inMessageRawData = inDomainRawData.Slice(0, inHeader.DataSize);
if (inHeader.ObjectsCount > DomainServiceObjectProcessor.MaximumObjects)
{
return SfResult.InvalidInObjectsCount;
}
int[] inObjectIds = new int[inHeader.ObjectsCount];
var domainProcessor = new DomainServiceObjectProcessor(domain, inObjectIds);
if (context.Processor == null)
{
context.Processor = domainProcessor;
}
else
{
context.Processor.SetImplementationProcessor(domainProcessor);
}
context.ServiceObject = targetObject.ServiceObject;
return targetObject.ProcessMessage(ref context, inMessageRawData);
case CmifDomainRequestType.Close:
domain.UnregisterObject(targetObjectId);
return Result.Success;
default:
return SfResult.InvalidInHeader;
}
}
}
}