Draft: Resolve "Unix Socket Server schreiben"

Closes #3 (closed)

src/net/client_factory.cpp

@@ -37,7 +37,15 @@ namespace rmrf::net {
         return c;
     }
 
-    [[nodiscard]] std::unique_ptr<tcp_client> client_factory_construct_tcp_client(const socketaddr& socket_identifier, connection_client::incomming_data_cb cb) {
+    [[nodiscard]] std::unique_ptr<connection_client> client_factory_construct_tcp_client(const socketaddr& socket_identifier, connection_client::incomming_data_cb cb) {
+        if (auto f = socket_identifier.family(); f != AF_INET6 && f != AF_INET) {
+            throw netio_exception("Expected TCP socket address over IP");
+        }
+
+        return client_factory_construct_stream_client(socket_identifier, cb);
+    }
+
+    [[nodiscard]] std::unique_ptr<connection_client> client_factory_construct_stream_client(const socketaddr& socket_identifier, connection_client::incomming_data_cb cb) {
         auto_fd socket_candidate{socket(socket_identifier.family(), SOCK_STREAM, 0)};
 
         if (socket_candidate.valid()) {