--- libaitmqtt/inc/aitmqtt.h 2012/02/04 10:40:01 1.1.1.1.2.6 +++ libaitmqtt/inc/aitmqtt.h 2012/04/27 08:12:30 1.1.1.1.2.11 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitmqtt.h,v 1.1.1.1.2.6 2012/02/04 10:40:01 misho Exp $ +* $Id: aitmqtt.h,v 1.1.1.1.2.11 2012/04/27 08:12:30 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -104,6 +104,9 @@ struct mqtthdr { #define MQTT_QOS_EXACTLY 2 /* Exactly once, Assured delivery, =1 */ #define MQTT_QOS_RESERVED 3 /* reserved */ +#define MQTT_QOS_DENY 0 /* Not granted QoS for SUBACK */ +#define MQTT_QOS_PASS 2 /* Granted QoS for SUBACK */ + #define MQTT_FLAG_RETAIN 1 /* This flag is only used on PUBLISH messages. When a client sends a PUBLISH to a server, @@ -267,15 +270,16 @@ inline unsigned int mqtt_decodeLen(void * __restrict l */ inline char mqtt_sizeLen(unsigned int len); /* - * mqtt_str2sub Create MQTT subscribe variable from string(s) + * mqtt_str2subs Create MQTT subscribe variable from string(s) * - * @csStr = strings - * @strnum = number of strings elements + * @csStr = null terminated string array + * @strnum = copy at most number of strings elements * @qoses = QoS elements applied to subscribe variable, * count of elements must be equal with csStr elements * return: NULL error or != subscribe variables array, must be free after use with mqtt_freeSub() */ -inline mqtt_subscr_t *mqtt_str2sub(const char **csStr, unsigned short strnum, unsigned char *qoses); +inline mqtt_subscr_t *mqtt_str2subs(const char **csStr, unsigned short strnum, + unsigned char *qoses); /* * mqtt_subFree() Free array from subscribe variables * @@ -297,7 +301,7 @@ inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num * @num = Number of elements * return: NULL error or subscribe array, after use must call mqtt_subFree() */ -inline mqtt_subscr_t *mqtt_subRealloc(mqtt_subscr_t * __restrict subs, unsigned short num); +inline mqtt_subscr_t *mqtt_subRealloc(mqtt_subscr_t ** __restrict subs, unsigned short num); /*** SENDER FUNCTIONS ***/ @@ -544,9 +548,9 @@ unsigned short mqtt_readPUBCOMP(mqtt_msg_t * __restric * @buf = Message buffer * @msgID = MessageID * @subscr = Subscriptions, must be free after use with mqtt_subFree() - * return: NULL error or !=NULL MQTT fixed header + * return: -1 error or >-1 elements into subscr */ -struct mqtthdr *mqtt_readSUBSCRIBE(mqtt_msg_t * __restrict buf, unsigned short *msgID, +int mqtt_readSUBSCRIBE(mqtt_msg_t * __restrict buf, unsigned short *msgID, mqtt_subscr_t **subscr); /* * mqtt_readSUBACK() Read SUBACK message @@ -563,9 +567,9 @@ int mqtt_readSUBACK(mqtt_msg_t * __restrict buf, unsig * @buf = Message buffer * @msgID = MessageID * @subscr = Subscriptions, must be free after use with mqtt_subFree() - * return: NULL error or !=NULL MQTT fixed header + * return: -1 error or >-1 elements into subscr */ -struct mqtthdr *mqtt_readUNSUBSCRIBE(mqtt_msg_t * __restrict buf, unsigned short *msgID, +int mqtt_readUNSUBSCRIBE(mqtt_msg_t * __restrict buf, unsigned short *msgID, mqtt_subscr_t **subscr); /* * mqtt_readUNSUBACK() Read UNSUBACK message