Also emit subscription events from close handler

src/WebSocketContext.h

@@ -258,6 +258,13 @@ private:
                 /* Emit close event */
                 auto *webSocketContextData = (WebSocketContextData<SSL, USERDATA> *) us_socket_context_ext(SSL, us_socket_context(SSL, (us_socket_t *) s));
 
+                /* At this point we iterate all currently held subscriptions and emit an event for all of them */
+                if (webSocketData->subscriber && webSocketContextData->subscriptionHandler) {
+                    for (Topic *t : webSocketData->subscriber->topics) {
+                        webSocketContextData->subscriptionHandler(this, t->name, (int) t->size() - 1, (int) t->size());
+                    }
+                }
+
                 /* Make sure to unsubscribe from any pub/sub node at exit */
                 webSocketContextData->topicTree->freeSubscriber(webSocketData->subscriber);
                 webSocketData->subscriber = nullptr;