Issue 5898: Registrations does not get deleted if there's an active SIP dialog

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@8710 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -13001,6 +13001,19 @@ static int sip_do_reload(void)
 	clear_sip_domains();
 	authl = NULL;
 
+	/* First, destroy all outstanding registry calls */
+	/* This is needed, since otherwise active registry entries will not be destroyed */
+	ASTOBJ_CONTAINER_TRAVERSE(&regl, 1, do {
+		ASTOBJ_RDLOCK(iterator);
+		if (iterator->call) {
+			if (option_debug > 2)
+				ast_log(LOG_DEBUG, "Destroying active SIP dialog for registry %s@%s\n", iterator->username, iterator->hostname);
+			/* This will also remove references to the registry */
+			sip_destroy(iterator->call);
+		}
+		ASTOBJ_UNLOCK(iterator);
+	} while(0));
+
 	ASTOBJ_CONTAINER_DESTROYALL(&userl, sip_destroy_user);
 	ASTOBJ_CONTAINER_DESTROYALL(&regl, sip_registry_destroy);
 	ASTOBJ_CONTAINER_MARKALL(&peerl);