Ryujinx/Ryujinx.Horizon/Sdk/Sf/CommandHandler.cs
gdkchan 08831eecf7
IPC refactor part 3+4: New server HIPC message processor (#4188)
* IPC refactor part 3 + 4: New server HIPC message processor with source generator based serialization

* Make types match on calls to AlignUp/AlignDown

* Formatting

* Address some PR feedback

* Move BitfieldExtensions to Ryujinx.Common.Utilities and consolidate implementations

* Rename Reader/Writer to SpanReader/SpanWriter and move to Ryujinx.Common.Memory

* Implement EventType

* Address more PR feedback

* Log request processing errors since they are not normal

* Rename waitable to multiwait and add missing lock

* PR feedback

* Ac_K PR feedback
2023-01-04 23:15:45 +01:00

58 lines
1.9 KiB
C#

using Ryujinx.Horizon.Common;
using Ryujinx.Horizon.Sdk.Sf.Cmif;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Horizon.Sdk.Sf
{
class CommandHandler
{
public delegate Result MethodInvoke(
ref ServiceDispatchContext context,
HipcCommandProcessor processor,
ServerMessageRuntimeMetadata runtimeMetadata,
ReadOnlySpan<byte> inRawData,
ref Span<CmifOutHeader> outHeader);
private readonly MethodInvoke _invoke;
private readonly HipcCommandProcessor _processor;
public string MethodName => _invoke.Method.Name;
public CommandHandler(MethodInvoke invoke, params CommandArg[] args)
{
_invoke = invoke;
_processor = new HipcCommandProcessor(args);
}
public Result Invoke(ref Span<CmifOutHeader> outHeader, ref ServiceDispatchContext context, ReadOnlySpan<byte> inRawData)
{
if (context.Processor == null)
{
context.Processor = _processor;
}
else
{
context.Processor.SetImplementationProcessor(_processor);
}
var runtimeMetadata = context.Processor.GetRuntimeMetadata();
Result result = context.Processor.PrepareForProcess(ref context, runtimeMetadata);
if (result.IsFailure)
{
return result;
}
return _invoke(ref context, _processor, runtimeMetadata, inRawData, ref outHeader);
}
public static void GetCmifOutHeaderPointer(ref Span<CmifOutHeader> outHeader, ref Span<byte> outRawData)
{
outHeader = MemoryMarshal.Cast<byte, CmifOutHeader>(outRawData).Slice(0, 1);
outRawData = outRawData.Slice(Unsafe.SizeOf<CmifOutHeader>());
}
}
}