From 08831eecf77cedd3c4192ebab5a9c485fb15d51e Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Wed, 4 Jan 2023 19:15:45 -0300
Subject: 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
---
 .../Sf/Cmif/DomainServiceObjectDispatchTable.cs    | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs

(limited to 'Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs')

diff --git a/Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs b/Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs
new file mode 100644
index 00000000..bcf311b2
--- /dev/null
+++ b/Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs
@@ -0,0 +1,75 @@
+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;
+            }
+        }
+    }
+}
-- 
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