From e13f6a5e91ffeac86c32ab3a9048b810b1931061 Mon Sep 17 00:00:00 2001
From: Claudius 'keldu' Holeksa <mail@keldu.de>
Date: Mon, 12 Aug 2024 13:42:48 +0200
Subject: wip

---
 modules/remote/c++/transfer.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'modules/remote/c++/transfer.hpp')

diff --git a/modules/remote/c++/transfer.hpp b/modules/remote/c++/transfer.hpp
index 32416de..f68497b 100644
--- a/modules/remote/c++/transfer.hpp
+++ b/modules/remote/c++/transfer.hpp
@@ -2,6 +2,8 @@
 
 #include <map>
 
+#include <forstio/common.hpp>
+
 namespace saw {
 template<typename Remote>
 class i_data_server {
@@ -9,6 +11,18 @@ protected:
 	~i_data_server() = default;
 public:
 	virtual std::pair<uint32_t,uint32_t> get_class_id() const = 0;
+
+	template<typename To>
+	error_or<ptr<To>> cast_to(){
+		{
+			auto rhs = get_class_id();
+			if(To::class_id.first == rhs.first && To::class_id.second == rhs.second){
+				return {ptr<To>{*static_cast<To*>(this)}};
+			}
+		}
+
+		return make_error<err::invalid_state>("Class IDs are not matching.");
+	}
 };
 
 template<typename Schema, typename Encoding, typename Remote>
-- 
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