libaitmqtt/inc/aitmqtt.h - diff

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Diff for /libaitmqtt/inc/aitmqtt.h between versions 1.1.1.1.2.5 and 1.3.4.6

version 1.1.1.1.2.5, 2012/01/27 15:16:40	version 1.3.4.6, 2022/09/13 20:12:15
Line 12 terms:	Line 12 terms:
All of the documentation and software included in the ELWIX and AITNET	All of the documentation and software included in the ELWIX and AITNET
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011	Copyright 2004 - 2022
by Michael Pounov <misho@elwix.org>. All rights reserved.	by Michael Pounov <misho@elwix.org>. All rights reserved.

Redistribution and use in source and binary forms, with or without	Redistribution and use in source and binary forms, with or without
Line 49 SUCH DAMAGE.	Line 49 SUCH DAMAGE.

#define MAX_CONNID 24	#define MAX_CONNID 24
#define MAX_CRED 13	#define MAX_CRED 13
#define MQTTMSG_MAX 65529	#define MQTTMSG_MAX 65535
	#define MQTTMSG_BIN_MAX 65535
#define MQTT_DATA_MAX 268435455	#define MQTT_DATA_MAX 268435455

#define MQTT_PROTO_VER 3	#define MQTT_PROTO_VER 3
	#define MQTT_PROTO_DEFVER 5
#define MQTT_KEEPALIVE 10	#define MQTT_KEEPALIVE 10
#define MQTT_DEFAULT_MSGID 0xDEBA	#define MQTT_DEFAULT_MSGID 0xDEBA

Line 69 struct mqtthdr {	Line 71 struct mqtthdr {
unsigned char val;	unsigned char val;
} mqtt_msg;	} mqtt_msg;
unsigned char mqtt_len[1]; /* may be grow to 4 bytes */	unsigned char mqtt_len[1]; /* may be grow to 4 bytes */
} __packed;	} __attribute__((packed));
#define MQTTHDR_MSGINIT(x) (assert((x)), (x)->mqtt_msg.val ^= (x)->mqtt_msg.val)	#define MQTTHDR_MSGINIT(x) (assert((x)), (x)->mqtt_msg.val ^= (x)->mqtt_msg.val, *(x)->mqtt_len = 0)
	#define MQTTHDR_DATA_SIZEOF(x) (assert((x)), mqtt_decodeLen((x)->mqtt_len, NULL))

#define MQTT_TYPE_UNKNOWN 0 /* reserved */	#define MQTT_TYPE_UNKNOWN 0 /* reserved */
#define MQTT_TYPE_CONNECT 1 /* client request to connect to server */	#define MQTT_TYPE_CONNECT 1 /* client request to connect to server (CLI) */
#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment */	#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment (SRV) [ret_no_data] */
#define MQTT_TYPE_PUBLISH 3 /* publish message */	#define MQTT_TYPE_PUBLISH 3 /* publish message [ret_is_optional] */
#define MQTT_TYPE_PUBACK 4 /* publish acknowledgment */	#define MQTT_TYPE_PUBACK 4 /* publish acknowledgment [ret_no_data] */
#define MQTT_TYPE_PUBREC 5 /* publish received (assured delivery part 1) */	#define MQTT_TYPE_PUBREC 5 /* publish received (assured delivery part 1) [ret_no_data] */
#define MQTT_TYPE_PUBREL 6 /* publish release (assured delivery part 2) */	#define MQTT_TYPE_PUBREL 6 /* publish release (assured delivery part 2) [ret_no_data] */
#define MQTT_TYPE_PUBCOMP 7 /* publish complete (assured delivery part 3) */	#define MQTT_TYPE_PUBCOMP 7 /* publish complete (assured delivery part 3) [ret_no_data] */
#define MQTT_TYPE_SUBSCRIBE 8 /* client subscribe request */	#define MQTT_TYPE_SUBSCRIBE 8 /* client subscribe request (CLI) */
#define MQTT_TYPE_SUBACK 9 /* subscribe acknowledgment */	#define MQTT_TYPE_SUBACK 9 /* subscribe acknowledgment (SRV) */
#define MQTT_TYPE_UNSUBSCRIBE 10 /* client unsubscribe request */	#define MQTT_TYPE_UNSUBSCRIBE 10 /* client unsubscribe request (CLI) */
#define MQTT_TYPE_UNSUBACK 11 /* unsubscribe acknowledgment */	#define MQTT_TYPE_UNSUBACK 11 /* unsubscribe acknowledgment (SRV) */
#define MQTT_TYPE_PINGREQ 12 /* PING request */	#define MQTT_TYPE_PINGREQ 12 /* PING request (CLI) [ret_no_data] */
#define MQTT_TYPE_PINGRESP 13 /* PING response */	#define MQTT_TYPE_PINGRESP 13 /* PING response (SRV) [ret_no_data] */
#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting */	#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting [ret_no_data] */
#define MQTT_TYPE_MAX 15 /* reserved */	#define MQTT_TYPE_AUTH 15 /* authentication exchange [ret_no_data] */

	#define MQTT_TYPE_MAX 15

#define MQTT_FLAG_DUP 1 /* This flag is set when the client or server attempts to re-deliver	#define MQTT_FLAG_DUP 1 /* This flag is set when the client or server attempts to re-deliver
a PUBLISH, PUBREL, SUBSCRIBE or UNSUBSCRIBE message.	a PUBLISH, PUBREL, SUBSCRIBE or UNSUBSCRIBE message.
This applies to messages where the value of QoS is greater than	This applies to messages where the value of QoS is greater than
Line 104 struct mqtthdr {	Line 109 struct mqtthdr {
#define MQTT_QOS_EXACTLY 2 /* Exactly once, Assured delivery, =1 */	#define MQTT_QOS_EXACTLY 2 /* Exactly once, Assured delivery, =1 */
#define MQTT_QOS_RESERVED 3 /* reserved */	#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.	#define MQTT_FLAG_RETAIN 1 /* This flag is only used on PUBLISH messages.

When a client sends a PUBLISH to a server,	When a client sends a PUBLISH to a server,
Line 139 struct mqtthdr {	Line 147 struct mqtthdr {
#define MQTT_RETCODE_REFUSE_USERPASS 4	#define MQTT_RETCODE_REFUSE_USERPASS 4
#define MQTT_RETCODE_DENIED 5	#define MQTT_RETCODE_DENIED 5

	/* REASON CODES */

	#define MQTT_REASON_OK 0x0 /* CONNACK, PUBACK, PUBREC, PUBREL, PUBCOMP, UNSUBACK, AUTH, DISCONNECT, SUBACK */
	#define MQTT_REASON_QOS1 0x1 /* SUBACK */
	#define MQTT_REASON_QOS2 0x2 /* SUBACK */
	#define MQTT_REASON_DWILL 0x4 /* DISCONNECT */
	#define MQTT_REASON_NOMATCH 0x10 /* PUBACK, PUBREC */
	#define MQTT_REASON_NOSUBEXIST 0x11 /* UNSUBACK */
	#define MQTT_REASON_CONTAUTH 0x18 /* AUTH */
	#define MQTT_REASON_REAUTH 0x19 /* AUTH */

	/* REASON ERROR CODES */

	#define MQTT_REASON_ERROR 0x80 /* CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT */
	#define MQTT_REASON_MALFORMPKT 0x81 /* CONNACK, DISCONNECT */
	#define MQTT_REASON_PROTOERR 0x82 /* CONNACK, DISCONNECT */
	#define MQTT_REASON_IMPLSPECERR 0x83 /* CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT */
	#define MQTT_REASON_UNSUPVERPROTO 0x84 /* CONNACK */
	#define MQTT_REASON_CLINOVALID 0x85 /* CONNACK */
	#define MQTT_REASON_BADUSERPASS 0x86 /* CONNACK */
	#define MQTT_REASON_NOAUTH 0x87 /* CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT */
	#define MQTT_REASON_SRVUNAVAIL 0x88 /* CONNACK */
	#define MQTT_REASON_SRVBUSY 0x89 /* CONNACK, DISCONNECT */
	#define MQTT_REASON_BANNED 0x8A /* CONNACK */
	#define MQTT_REASON_SRVSHUTDOWN 0x8B /* DISCONNECT */
	#define MQTT_REASON_BADAUTHMETHOD 0x8C /* CONNACK, DISCONNECT */
	#define MQTT_REASON_KEEPALIVETO 0x8D /* DISCONNECT */
	#define MQTT_REASON_SESTAKEOVER 0x8E /* DISCONNECT */
	#define MQTT_REASON_TOPICFLTINVAL 0x8F /* SUBACK, UNSUBACK, DISCONNECT */
	#define MQTT_REASON_TOPICNAMEINV 0x90 /* CONNACK, PUBACK, PUBREC, DISCONNECT */
	#define MQTT_REASON_PKTIDINUSE 0x91 /* PUBACK, PUBREC, SUBACK, UNSUBACK */
	#define MQTT_REASON_PKTIDNOTFOUND 0x92 /* PUBREL, PUBCOMP */
	#define MQTT_REASON_RCVMAXEXCEED 0x93 /* DISCONNECT */
	#define MQTT_REASON_TOPICALIASINV 0x94 /* DISCONNECT */
	#define MQTT_REASON_PKTTOOLARGE 0x95 /* CONNACK, DISCONNECT */
	#define MQTT_REASON_MSGRATETOHIGH 0x96 /* DISCONNECT */
	#define MQTT_REASON_QUOTAEXCEED 0x97 /* CONNACK, PUBACK, PUBREC, SUBACK, DISCONNECT */
	#define MQTT_REASON_ADMINACTION 0x98 /* DISCONNECT */
	#define MQTT_REASON_PAYLOADFMTINV 0x99 /* CONNACK, PUBACK, PUBREC, DISCONNECT */
	#define MQTT_REASON_RETAINNOTSUP 0x9A /* CONNACK, DISCONNECT */
	#define MQTT_REASON_QOSNOTSUP 0x9B /* CONNACK, DISCONNECT */
	#define MQTT_REASON_USENEXTSRV 0x9C /* CONNACK, DISCONNECT */
	#define MQTT_REASON_SRVMOVED 0x9D /* CONNACK, DISCONNECT */
	#define MQTT_REASON_SHARSUBNOTSUP 0x9E /* SUBACK, DISCONNECT */
	#define MQTT_REASON_CONRATEEXCEED 0x9F /* CONNACK, DISCONNECT */
	#define MQTT_REASON_MAXCONNTIME 0xA0 /* DISCONNECT */
	#define MQTT_REASON_SUBIDNOTSUP 0xA1 /* SUBACK, DISCONNECT */
	#define MQTT_RESON_WILDSUBNOTSUP 0xA2 /* SUBACK, DISCONNECT */

/* MQTT Message buffer */	/* MQTT Message buffer */

typedef struct {	typedef struct {
void *msg_base;	void *msg_base;
unsigned short msg_len;	unsigned int msg_len;
} mqtt_msg_t;	} mqtt_msg_t;

/* MQTT structures */	/* MQTT structures */
Line 166 typedef struct {	Line 222 typedef struct {
typedef struct {	typedef struct {
mqtt_len_t var_sb;	mqtt_len_t var_sb;
unsigned char var_data[0];	unsigned char var_data[0];
} __packed mqtthdr_var_t;	} __attribute__((packed)) mqtthdr_var_t;
#define MQTTHDR_VAR_SIZEOF(x) (assert((x)), sizeof(mqtt_len_t) + ntohs((x)->var_sb.val))	#define MQTTHDR_VAR_SIZEOF(x) (assert((x)), sizeof(mqtt_len_t) + ntohs((x)->var_sb.val))

typedef unsigned char mqtthdr_protover_t;	typedef unsigned char mqtthdr_protover_t;
Line 182 typedef union {	Line 238 typedef union {
username:1;	username:1;
};	};
unsigned char flags;	unsigned char flags;
} __packed mqtthdr_connflgs_t;	} __attribute__((packed)) mqtthdr_connflgs_t;

typedef struct {	typedef struct {
unsigned char reserved;	unsigned char reserved;
unsigned char retcode;	unsigned char retcode;
} __packed mqtthdr_connack_t;	} __attribute__((packed)) mqtthdr_connack_t;


// -------------------------------------------------------	// -------------------------------------------------------
// mqtt_GetErrno() Get error code of last operation	// mqtt_GetErrno() Get error code of last operation
inline int mqtt_GetErrno();	int mqtt_GetErrno();
// mqtt_GetError() Get error text of last operation	// mqtt_GetError() Get error text of last operation
inline const char *mqtt_GetError();	const char *mqtt_GetError();
// -------------------------------------------------------	// -------------------------------------------------------


Line 204 inline const char *mqtt_GetError();	Line 260 inline const char *mqtt_GetError();
* @len = >0 Allocate buffer with length	* @len = >0 Allocate buffer with length
* return: NULL error or Message, after use must call mqtt_msgFree() with all!=0	* return: NULL error or Message, after use must call mqtt_msgFree() with all!=0
*/	*/
inline mqtt_msg_t *mqtt_msgAlloc(unsigned short len);	mqtt_msg_t *mqtt_msgAlloc(unsigned int len);
/*	/*
* mqtt_msgFree() Free MQTT message	* mqtt_msgFree() Free MQTT message
*	*
Line 212 inline mqtt_msg_t *mqtt_msgAlloc(unsigned short len);	Line 268 inline mqtt_msg_t *mqtt_msgAlloc(unsigned short len);
* @all = !=0 Destroy entire message, if MQTT Message allocated with mqtt_msgAlloc()	* @all = !=0 Destroy entire message, if MQTT Message allocated with mqtt_msgAlloc()
* return: none	* return: none
*/	*/
inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int all);	void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int all);
/*	/*
* mqtt_msgRealloc() Reallocate MQTT message buffer	* mqtt_msgRealloc() Reallocate MQTT message buffer
*	*
Line 220 inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg,	Line 276 inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg,
* @len = new length	* @len = new length
* return: -1 error or >-1 old buffer length	* return: -1 error or >-1 old buffer length
*/	*/
inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg, unsigned short len);	int mqtt_msgRealloc(mqtt_msg_t * __restrict msg, unsigned int len);
	/*
	* mqtt_msgDup() - Duplicate message buffer
	*
	* @msg = Message
	* return: NULL error or !=NULL duplicated message, after use must call mqtt_msgFree() with all!=0
	*/
	mqtt_msg_t mqtt_msgDup(mqtt_msg_t __restrict msg);

/*	/*
* mqtt_expandTopic() - Expanding topic to regular expression	* mqtt_expandTopic() - Expanding topic to regular expression
Line 234 inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg	Line 297 inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg
*/	*/
int mqtt_expandTopic(const char csInput, char __restrict psRegEx, int regexLen,	int mqtt_expandTopic(const char csInput, char __restrict psRegEx, int regexLen,
unsigned char BOL, unsigned char EOL);	unsigned char BOL, unsigned char EOL);
	/*
	* mqtt_sqlTopic() - Expanding topic to SQL search string
	*
	* @csInput = Input topic
	* @psSQL = Output to SQL search string
	* @sqlLen = Length of psSQL
	* return: -1 error, 0 changed bytes
	*/
	int mqtt_sqlTopic(const char csInput, char __restrict psSQL, int sqlLen);

/*	/*
* mqtt_encodeLen() Encode number to MQTT length field	* mqtt_encodeLen() Encode number to MQTT length field
Line 241 int mqtt_expandTopic(const char csInput, char __res	Line 313 int mqtt_expandTopic(const char csInput, char __res
* @num = number for encode	* @num = number for encode
* return: -1 error or >-1 length	* return: -1 error or >-1 length
*/	*/
inline unsigned int mqtt_encodeLen(unsigned int num);	unsigned int mqtt_encodeLen(unsigned int num);
/*	/*
* mqtt_decodeLen() Decode length from MQTT packet	* mqtt_decodeLen() Decode length from MQTT packet
*	*
Line 249 inline unsigned int mqtt_encodeLen(unsigned int num);	Line 321 inline unsigned int mqtt_encodeLen(unsigned int num);
* @n = sizeof bytes, if !=NULL	* @n = sizeof bytes, if !=NULL
* return: -1 error, >-1 length of message	* return: -1 error, >-1 length of message
*/	*/
inline unsigned int mqtt_decodeLen(void * __restrict len, int * __restrict n);	unsigned int mqtt_decodeLen(void * __restrict len, int * __restrict n);
/*	/*
* mqtt_sizeLen Return sizeof len field	* mqtt_sizeLen Return sizeof len field
*	*
* @len = length	* @len = length
* return: -1 error, >-1 sizeof len in bytes	* return: -1 error, >-1 sizeof len in bytes
*/	*/
inline char mqtt_sizeLen(unsigned int len);	char mqtt_sizeLen(unsigned int len);
/*	/*
* mqtt_str2sub Create MQTT subscribe variable from string(s)	* mqtt_pktLen() - Get total packet length
*	*
* @csStr = strings	* @hdr = MQTT packet header
* @strnum = number of strings elements	* return: packet length
	*/
	unsigned int mqtt_pktLen(struct mqtthdr * __restrict hdr);
	/*
	* mqtt_strs2subs Create MQTT subscribe variable from string(s)
	*
	* @csStr = null terminated string array
	* @strnum = copy at most number of strings elements, ==0 till NULL element
* @qoses = QoS elements applied to subscribe variable,	* @qoses = QoS elements applied to subscribe variable,
* count of elements must be equal with csStr elements	* count of elements must be equal with csStr elements
* return: NULL error or != subscribe variables array, must be free after use with mqtt_freeSub()	* 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);	mqtt_subscr_t mqtt_strs2subs(const char csStr, unsigned short strnum, unsigned char qoses);
/*	/*
* mqtt_subFree() Free array from subscribe variables	* mqtt_subFree() Free array from subscribe variables
*	*
* @subs = Subscribe variables	* @subs = Subscribe variables
* return: none	* return: none
*/	*/
inline void mqtt_subFree(mqtt_subscr_t ** __restrict subs);	void mqtt_subFree(mqtt_subscr_t ** __restrict subs);
/*	/*
* mqtt_subAlloc() Create array from subscribe variables	* mqtt_subAlloc() Create array from subscribe variables
*	*
* @num = Number of elements	* @num = Number of elements
* return: NULL error or subscribe array, after use must call mqtt_subFree()	* return: NULL error or subscribe array, after use must call mqtt_subFree()
*/	*/
inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num);	mqtt_subscr_t *mqtt_subAlloc(unsigned short num);
/*	/*
* mqtt_subRealloc() Reallocate array from subscribe variables	* mqtt_subRealloc() Reallocate array from subscribe variables
*	*
Line 288 inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num	Line 367 inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num
* @num = Number of elements	* @num = Number of elements
* return: NULL error or subscribe array, after use must call mqtt_subFree()	* 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);	mqtt_subscr_t mqtt_subRealloc(mqtt_subscr_t * __restrict subs, unsigned short num);
	/*
	* mqtt_subCopy() - Copy subscription structure to another one
	*
	* @dst = destination subscription
	* @src = source subscription
	* return: =NULL error or !=NULL successful copied a structure
	*/
	mqtt_subscr_t mqtt_subCopy(mqtt_subscr_t __restrict dst, mqtt_subscr_t * __restrict src);


/* SENDER FUNCTIONS */	/* SENDER FUNCTIONS */
Line 298 inline mqtt_subscr_t mqtt_subRealloc(mqtt_subscr_t	Line 385 inline mqtt_subscr_t mqtt_subRealloc(mqtt_subscr_t
*	*
* @buf = Message buffer	* @buf = Message buffer
* @csConnID = ConnectID	* @csConnID = ConnectID
* @kasec = Keep alive timeout	* @kasec = Keep alive timeout, if =0 default timeout for MQTT
* @csUser = Username if !=NULL	* @csUser = Username if !=NULL
* @csPass = Password for Username, only if csUser is set	* @csPass = Password for Username, only if csUser is set
* @csWillTopic = Will Topic if !=NULL Will Flags set into message	* @csWillTopic = Will Topic if !=NULL Will Flags set into message
Line 365 int mqtt_msgPUBLISH(mqtt_msg_t * __restrict buf, const	Line 452 int mqtt_msgPUBLISH(mqtt_msg_t * __restrict buf, const
* @msgID = MessageID	* @msgID = MessageID
* return: -1 error or >-1 message size for send	* return: -1 error or >-1 message size for send
*/	*/
inline int mqtt_msgPUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID);	int mqtt_msgPUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID);
/*	/*
* mqtt_msgPUBREC() Create PUBREC message	* mqtt_msgPUBREC() Create PUBREC message
*	*
Line 373 inline int mqtt_msgPUBACK(mqtt_msg_t * __restrict buf,	Line 460 inline int mqtt_msgPUBACK(mqtt_msg_t * __restrict buf,
* @msgID = MessageID	* @msgID = MessageID
* return: -1 error or >-1 message size for send	* return: -1 error or >-1 message size for send
*/	*/
inline int mqtt_msgPUBREC(mqtt_msg_t * __restrict buf, unsigned short msgID);	int mqtt_msgPUBREC(mqtt_msg_t * __restrict buf, unsigned short msgID);
/*	/*
* mqtt_msgPUBREL() Create PUBREL message	* mqtt_msgPUBREL() Create PUBREL message
*	*
Line 381 inline int mqtt_msgPUBREC(mqtt_msg_t * __restrict buf,	Line 468 inline int mqtt_msgPUBREC(mqtt_msg_t * __restrict buf,
* @msgID = MessageID	* @msgID = MessageID
* return: -1 error or >-1 message size for send	* return: -1 error or >-1 message size for send
*/	*/
inline int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf, unsigned short msgID);	int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf, unsigned short msgID);
/*	/*
* mqtt_msgPUBCOMP() Create PUBCOMP message	* mqtt_msgPUBCOMP() Create PUBCOMP message
*	*
Line 389 inline int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf,	Line 476 inline int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf,
* @msgID = MessageID	* @msgID = MessageID
* return: -1 error or >-1 message size for send	* return: -1 error or >-1 message size for send
*/	*/
inline int mqtt_msgPUBCOMP(mqtt_msg_t * __restrict buf, unsigned short msgID);	int mqtt_msgPUBCOMP(mqtt_msg_t * __restrict buf, unsigned short msgID);

/*	/*
* mqtt_msgSUBSCRIBE() Create SUBSCRIBE message	* mqtt_msgSUBSCRIBE() Create SUBSCRIBE message
Line 494 int mqtt_readPINGRESP(mqtt_msg_t * __restrict buf);	Line 581 int mqtt_readPINGRESP(mqtt_msg_t * __restrict buf);
* @psTopic = Topic	* @psTopic = Topic
* @topicLen = Topic length	* @topicLen = Topic length
* @msgID = MessageID	* @msgID = MessageID
* @pData = Data buffer	* @pData = Data buffer, may be NULL
* @datLen = Data buffer length, if *datLen == 0 allocate memory for pData	* return: -1 error or !=-1 allocated data buffer length
* return: NULL error or !=NULL MQTT fixed header
*/	*/
struct mqtthdr mqtt_readPUBLISH(mqtt_msg_t __restrict buf, char * __restrict psTopic,	int mqtt_readPUBLISH(mqtt_msg_t * __restrict buf, char * __restrict psTopic,
int topicLen, unsigned short msgID, void __restrict pData, int *datLen);	int topicLen, unsigned short msgID, void * __restrict pData);
/*	/*
* mqtt_readPUBACK() Read PUBACK message	* mqtt_readPUBACK() Read PUBACK message
*	*
Line 535 unsigned short mqtt_readPUBCOMP(mqtt_msg_t * __restric	Line 621 unsigned short mqtt_readPUBCOMP(mqtt_msg_t * __restric
* @buf = Message buffer	* @buf = Message buffer
* @msgID = MessageID	* @msgID = MessageID
* @subscr = Subscriptions, must be free after use with mqtt_subFree()	* @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_subscr_t **subscr);
/*	/*
* mqtt_readSUBACK() Read SUBACK message	* mqtt_readSUBACK() Read SUBACK message
Line 554 int mqtt_readSUBACK(mqtt_msg_t * __restrict buf, unsig	Line 640 int mqtt_readSUBACK(mqtt_msg_t * __restrict buf, unsig
* @buf = Message buffer	* @buf = Message buffer
* @msgID = MessageID	* @msgID = MessageID
* @subscr = Subscriptions, must be free after use with mqtt_subFree()	* @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_subscr_t **subscr);
/*	/*
* mqtt_readUNSUBACK() Read UNSUBACK message	* mqtt_readUNSUBACK() Read UNSUBACK message

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