--- libaitmqtt/inc/defs.h	2022/09/14 14:32:48	1.4.2.3
+++ libaitmqtt/inc/defs.h	2022/09/15 15:04:44	1.4.2.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.4.2.3 2022/09/14 14:32:48 misho Exp $
+* $Id: defs.h,v 1.4.2.4 2022/09/15 15:04:44 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -88,6 +88,25 @@ void mqtt_SetErr(int, char *, ...);
 //struct mqtthdr *_mqtt_readHEADER(mqtt_msg_t * __restrict, u_char, int *, int *);
 
 int mqtt_wait4data(int, u_short, short);
+/*
+ * mqtt_KeepAlive() - Keep Alive check routine
+ *
+ * @sock = connected socket
+ * @ka = keep alive timeout
+ * @tries = tries for receive correct ping response, usually ==1
+ * return: -1 error, 0 host is alive, 1 timeout session or 2 broken session
+ */
+int mqtt_KeepAlive(int sock, unsigned short ka, unsigned char tries);
+/*
+ * mqtt_WillMessage() - Publish WILL message
+ *
+ * @sock = connected socket
+ * @ka = keep alive timeout
+ * @topic = will topic
+ * @data = will message
+ * return: -1 error, 1 timeout, 2 not ack or 0 ok
+ */
+int mqtt_WillMessage(int sock, unsigned short ka, const char *topic, const char *data);
 
 
 #endif