patch.diff

--- src/SharpEmu.Libs/Kernel/KernelSocketCompatExports.cs
+++ src/SharpEmu.Libs/Kernel/KernelSocketCompatExports.cs
@@ -14,7 +14,7 @@
     private sealed class EmulatedSocketState
     {
         public TcpClient? Client;
-        public NetworkStream? Stream;
+        public Stream? Stream;
         public IPAddress BoundAddress = IPAddress.Any;
         public int BoundPort;
         public bool Bound;
@@ -24,6 +24,8 @@
     private static readonly object Gate = new();
     private static readonly Dictionary<int, EmulatedSocketState> Sockets = new();

+    internal static delegate*<IPAddress, int, (TcpClient? Client, Stream? Stream)> HostConnectionFactoryForTesting;
+
     internal static bool IsEmulatedSocketFd(int fd)
     {
         lock (Gate)
@@ -177,7 +179,7 @@
             return (int)OrbisGen2Result.ORBIS_GEN2_OK;
         }

-        if (!TryEstablishHostTcpConnection(ipAddress, port, out var client, out var stream))
+        if (!TryEstablishHostTcpConnection(ipAddress, port, out var client, out Stream stream))
         {
             LogNet($"connect failed: fd={fd} ip={ipAddress} port={port}");
             ctx[CpuRegister.Rax] = unchecked((ulong)0xFFFFFFFFFFFFFFFF);
@@ -455,8 +457,17 @@
         IPAddress ipAddress,
         int port,
         out TcpClient client,
-        out NetworkStream stream)
+        out Stream stream)
     {
+        unsafe
+        {
+            if (HostConnectionFactoryForTesting != null)
+            {
+                (client, stream) = HostConnectionFactoryForTesting(ipAddress, port);
+                return client != null && stream != null;
+            }
+        }
+
         client = null!;
         stream = null!;
         if (!TryConnectTcpClient(ipAddress, port, out client))