res_pjsip_pubsub.c: Add some notification comments.
[asterisk/asterisk.git] / res / res_pjsip_pubsub.c
index 802bb9e..31810a3 100644 (file)
@@ -1171,6 +1171,7 @@ static void shutdown_subscriptions(struct ast_sip_subscription *sub)
                return;
        }
 
+       /* We notify subscription shutdown only on the tree leaves. */
        if (sub->handler->subscription_shutdown) {
                sub->handler->subscription_shutdown(sub);
        }
@@ -2523,6 +2524,7 @@ static int generate_initial_notify(struct ast_sip_subscription *sub)
                return 0;
        }
 
+       /* We notify subscription establishment only on the tree leaves. */
        if (sub->handler->notifier->subscription_established(sub)) {
                return -1;
        }