add callbacks

libmxclient/callback.go

@@ -0,0 +1,31 @@
+// Copyright (C) 2026 saces@c-base.org
+// SPDX-License-Identifier: AGPL-3.0-only
+package main
+
+/*
+#include <stdlib.h>
+typedef void (*on_event_handler_ptr) (char*);
+typedef void (*on_message_handler_ptr) (char*);
+
+static inline void call_c_on_event_handler(on_event_handler_ptr ptr, char* jsonStr) {
+    (ptr)(jsonStr);
+}
+
+static inline void call_c_on_message_handler(on_message_handler_ptr ptr, char* jsonStr) {
+    (ptr)(jsonStr);
+}
+*/
+import "C"
+
+var on_event_handler C.on_event_handler_ptr
+var on_message_handler C.on_message_handler_ptr
+
+//export register_on_event_handler
+func register_on_event_handler(fn C.on_event_handler_ptr) {
+	on_event_handler = fn
+}
+
+//export register_on_message_handler
+func register_on_message_handler(fn C.on_message_handler_ptr) {
+	on_message_handler = fn
+}