From f40c06789aff88fa50bbc4387a1343f757a829a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Mon, 20 Dec 2021 20:31:48 +0100
Subject: [PATCH] fix: prevent garbage collection of receive and send callback

---
 Local/NosSmooth.LocalCore/Network.cpp | 2 ++
 Local/NosSmooth.LocalCore/Network.h   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/Local/NosSmooth.LocalCore/Network.cpp b/Local/NosSmooth.LocalCore/Network.cpp
index 6be4e0f..768b299 100644
--- a/Local/NosSmooth.LocalCore/Network.cpp
+++ b/Local/NosSmooth.LocalCore/Network.cpp
@@ -31,11 +31,13 @@ void Network::ReceivePacket(System::String^ packet)
 void Network::SetReceiveCallback(NetworkCallback^ callback)
 {
     IntPtr functionPointer = Marshal::GetFunctionPointerForDelegate(callback);
+    _receiveCallback = callback;
     NetworkUnmanaged::GetInstance()->SetReceiveCallback(static_cast<PacketCallback>(functionPointer.ToPointer()));
 }
 
 void Network::SetSendCallback(NetworkCallback^ callback)
 {
     IntPtr functionPointer = Marshal::GetFunctionPointerForDelegate(callback);
+    _sendCallback = callback;
     NetworkUnmanaged::GetInstance()->SetSendCallback(static_cast<PacketCallback>(functionPointer.ToPointer()));
 }
\ No newline at end of file
diff --git a/Local/NosSmooth.LocalCore/Network.h b/Local/NosSmooth.LocalCore/Network.h
index ca13a62..2b4c127 100644
--- a/Local/NosSmooth.LocalCore/Network.h
+++ b/Local/NosSmooth.LocalCore/Network.h
@@ -39,6 +39,8 @@ namespace NosSmoothCore
 		void ResetHooks();
 	private:
 		NetworkUnmanaged* _networkUnmanaged;
+		NetworkCallback^ _sendCallback;
+		NetworkCallback^ _receiveCallback;
 	};
 }
 
-- 
2.48.1