IPC - Refactor Bcat service to use new ipc - Revisit (#4803)

* bcat ipc

* fix hipc buffer flags

* add buffer fixed size flag on generator

src/Ryujinx.Horizon/Bcat/BcatIpcServer.cs

@@ -0,0 +1,48 @@
+using Ryujinx.Horizon.Bcat.Ipc;
+using Ryujinx.Horizon.Bcat.Types;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+
+namespace Ryujinx.Horizon.Bcat
+{
+    internal class BcatIpcServer
+    {
+        private const int BcatMaxSessionsCount = 8;
+        private const int BcatTotalMaxSessionsCount = BcatMaxSessionsCount * 4; 
+
+        private const int PointerBufferSize = 0x400;
+        private const int MaxDomains = 64;
+        private const int MaxDomainObjects = 64;
+        private const int MaxPortsCount = 4;
+
+        private SmApi _sm;
+        private BcatServerManager _serverManager;
+
+        private static readonly ManagerOptions _bcatManagerOptions = new(PointerBufferSize, MaxDomains, MaxDomainObjects, false);
+
+        internal void Initialize()
+        {
+            HeapAllocator allocator = new();
+
+            _sm = new SmApi();
+            _sm.Initialize().AbortOnFailure();
+
+            _serverManager = new BcatServerManager(allocator, _sm, MaxPortsCount, _bcatManagerOptions, BcatTotalMaxSessionsCount);
+
+            _serverManager.RegisterServer((int)BcatPortIndex.Admin,   ServiceName.Encode("bcat:a"), BcatMaxSessionsCount);
+            _serverManager.RegisterServer((int)BcatPortIndex.Manager, ServiceName.Encode("bcat:m"), BcatMaxSessionsCount);
+            _serverManager.RegisterServer((int)BcatPortIndex.User,    ServiceName.Encode("bcat:u"), BcatMaxSessionsCount);
+            _serverManager.RegisterServer((int)BcatPortIndex.System,  ServiceName.Encode("bcat:s"), BcatMaxSessionsCount);
+        }
+
+        public void ServiceRequests()
+        {
+            _serverManager.ServiceRequests();
+        }
+
+        public void Shutdown()
+        {
+            _serverManager.Dispose();
+        }
+    }
+}