libaitmqtt/inc/aitmqtt.h - diff

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Diff for /libaitmqtt/inc/aitmqtt.h between versions 1.3.4.5 and 1.3.4.9

version 1.3.4.5, 2022/09/12 23:15:37	version 1.3.4.9, 2022/09/14 14:32:48
Line 47 SUCH DAMAGE.	Line 47 SUCH DAMAGE.
#define __AITMQTT_H	#define __AITMQTT_H


#define MAX_CONNID 24	#define MQTT_CONNID_MAX 24
#define MAX_CRED 13	#define MQTT_CRED_MAX 13
#define MQTTMSG_MAX 65535	#define MQTTMSG_MAX 65535
#define MQTTMSG_BIN_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 3
#define MQTT_PROTO_DEFVER 5	#define MQTT_PROTO_VER_311 4
#define MQTT_KEEPALIVE 10	#define MQTT_PROTO_VER_5 5
#define MQTT_DEFAULT_MSGID 0xDEBA	#define MQTT_KEEPALIVE 60

/* FIXED HEADER */	/* FIXED HEADER */

Line 72 struct mqtthdr {	Line 72 struct mqtthdr {
} 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 */
} __attribute__((packed));	} __attribute__((packed));
#define MQTTHDR_MSGINIT(x) (assert((x)), (x)->mqtt_msg.val ^= (x)->mqtt_msg.val, *mqtt_len = 0)	#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 MQTTHDR_DATA_SIZEOF(x) (assert((x)), mqtt_decodeLen((x)->mqtt_len, NULL))

	typedef union {
	struct {
	unsigned short m:8,
	l:8;
	} sb;
	unsigned short val;
	} __attribute__((packed)) mqtt_len_t;

	typedef struct {
	mqtt_len_t var_sb;
	unsigned char var_data[0];
	} __attribute__((packed)) mqtthdr_var_t;
	#define MQTTHDR_VAR_SIZEOF(x) (assert((x)), sizeof(mqtt_len_t) + ntohs((x)->var_sb.val))

	typedef union {
	struct {
	unsigned char reserved:1,
	clean_sess:1,
	will_flg:1,
	will_qos:2,
	will_retain:1,
	password:1,
	username:1;
	};
	unsigned char flags;
	} __attribute__((packed)) mqtthdr_connflgs_t;

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

#define MQTT_TYPE_UNKNOWN 0 /* reserved */	#define MQTT_TYPE_UNKNOWN 0 /* reserved */
#define MQTT_TYPE_CONNECT 1 /* client request to connect to server (CLI) */	#define MQTT_TYPE_CONNECT 1 /* client request to connect to server (CLI) */
#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment (SRV) [ret_no_data] */	#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment (SRV) [ret_no_data] */
Line 200 struct mqtthdr {	Line 232 struct mqtthdr {

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 */

typedef union {
struct {
unsigned short m:8,
l:8;
} sb;
unsigned short val;
} mqtt_len_t;

typedef struct {	typedef struct {
unsigned char sub_ret;	unsigned char sub_ret;
mqtt_msg_t sub_topic;	mqtt_msg_t sub_topic;
mqtt_msg_t sub_value;	mqtt_msg_t sub_value;
} mqtt_subscr_t;	} mqtt_subscr_t;

typedef struct {
mqtt_len_t var_sb;
unsigned char var_data[0];
} __attribute__((packed)) mqtthdr_var_t;
#define MQTTHDR_VAR_SIZEOF(x) (assert((x)), sizeof(mqtt_len_t) + ntohs((x)->var_sb.val))

typedef unsigned char mqtthdr_protover_t;

typedef union {
struct {
unsigned char reserved:1,
clean_sess:1,
will_flg:1,
will_qos:2,
will_retain:1,
password:1,
username:1;
};
unsigned char flags;
} __attribute__((packed)) mqtthdr_connflgs_t;

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


// -------------------------------------------------------	// -------------------------------------------------------
// mqtt_GetErrno() Get error code of last operation	// mqtt_GetErrno() Get error code of last operation
int mqtt_GetErrno();	int mqtt_GetErrno();
Line 260 const char *mqtt_GetError();	Line 258 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
*/	*/
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
*	*
* @msg = Message buffer	* @msg = Message buffer
* @all = !=0 Destroy entire message, if MQTT Message allocated with mqtt_msgAlloc()	* @keepmsg = !=0 just free message content
* return: none	* return: none
*/	*/
void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int all);	void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int keepmsg);
/*	/*
* mqtt_msgRealloc() Reallocate MQTT message buffer	* mqtt_msgRealloc() Reallocate MQTT message buffer
*	*
Line 276 void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int al	Line 274 void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int al
* @len = new length	* @len = new length
* return: -1 error or >-1 old buffer length	* return: -1 error or >-1 old buffer length
*/	*/
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	* mqtt_msgDup() - Duplicate message buffer
*	*
Line 337 char mqtt_sizeLen(unsigned int len);	Line 335 char mqtt_sizeLen(unsigned int len);
*/	*/
unsigned int mqtt_pktLen(struct mqtthdr * __restrict hdr);	unsigned int mqtt_pktLen(struct mqtthdr * __restrict hdr);
/*	/*
* mqtt_str2subs Create MQTT subscribe variable from string(s)	* mqtt_strs2subs Create MQTT subscribe variable from string(s)
*	*
* @csStr = null terminated string array	* @csStr = null terminated string array
* @strnum = copy at most number of strings elements	* @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()
*/	*/
mqtt_subscr_t mqtt_str2subs(const char *csStr, unsigned short strnum,	mqtt_subscr_t mqtt_strs2subs(const char csStr, unsigned short strnum, unsigned char qoses);
unsigned char *qoses);
/*	/*
* mqtt_subFree() Free array from subscribe variables	* mqtt_subFree() Free array from subscribe variables
*	*
Line 384 mqtt_subscr_t mqtt_subCopy(mqtt_subscr_t __restrict	Line 381 mqtt_subscr_t mqtt_subCopy(mqtt_subscr_t __restrict
/*	/*
* mqtt_msgCONNECT() Create CONNECT message	* mqtt_msgCONNECT() Create CONNECT message
*	*
* @buf = Message buffer
* @csConnID = ConnectID	* @csConnID = ConnectID
* @kasec = Keep alive timeout, if =0 default timeout for MQTT	* @Version = MQTT version, if =0 default version is 3.1.1
	* @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 394 mqtt_subscr_t mqtt_subCopy(mqtt_subscr_t __restrict	Line 391 mqtt_subscr_t mqtt_subCopy(mqtt_subscr_t __restrict
* @ClrSess = Clear Session subscriptions after disconnect	* @ClrSess = Clear Session subscriptions after disconnect
* @WillQOS = Will QOS if csWillTopic is set	* @WillQOS = Will QOS if csWillTopic is set
* @WillRetain = Will Retain Will Message if csWillTopic is set	* @WillRetain = Will Retain Will Message if csWillTopic is set
* return: -1 error or >-1 message size for send	* return: NULL error or allocated CONNECT message
*/	*/
int mqtt_msgCONNECT(mqtt_msg_t * __restrict buf, const char *csConnID,	mqtt_msg_t mqtt_msgCONNECT(const char csConnID, unsigned char Version,
unsigned short kasec, const char csUser, const char csPass,	unsigned short KASec, const char csUser, const char csPass,
const char csWillTopic, const char csWillMessage,	const char csWillTopic, const char csWillMessage,
unsigned char ClrSess, unsigned char WillQOS, unsigned char WillRetain);	unsigned char ClrSess, unsigned char WillQOS, unsigned char WillRetain);
/*	/*
* mqtt_msgCONNACK() Create CONNACK message	* mqtt_msgCONNACK() Create CONNACK message
*	*
* @buf = Message buffer
* @retcode = Return code	* @retcode = Return code
* return: -1 error or >-1 message size for send	* return: NULL error or allocated CONNACK message
*/	*/
int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsigned char retcode);	mqtt_msg_t *mqtt_msgCONNACK(unsigned char retcode);
/*	/*
* mqtt_msgDISCONNECT() Create DISCONNECT message	* mqtt_msgDISCONNECT() Create DISCONNECT message
*	*
* @buf = Message buffer	* return: NULL error or allocated message
* return: -1 error or >-1 message size for send
*/	*/
int mqtt_msgDISCONNECT(mqtt_msg_t * __restrict buf);	mqtt_msg_t *mqtt_msgDISCONNECT();
/*	/*
* mqtt_msgPINGREQ() Create PINGREQ message	* mqtt_msgPINGREQ() Create PINGREQ message
*	*
* @buf = Message buffer	* return: NULL error or allocated message
* return: -1 error or >-1 message size for send
*/	*/
int mqtt_msgPINGREQ(mqtt_msg_t * __restrict buf);	mqtt_msg_t *mqtt_msgPINGREQ();
/*	/*
* mqtt_msgPINGRESP() Create PINGRESP message	* mqtt_msgPINGRESP() Create PINGRESP message
*	*
* @buf = Message buffer	* return: NULL error or allocated message
* return: -1 error or >-1 message size for send
*/	*/
int mqtt_msgPINGRESP(mqtt_msg_t * __restrict buf);	mqtt_msg_t *mqtt_msgPINGRESP();

/*	/*
* mqtt_msgPUBLISH() Create PUBLISH message	* mqtt_msgPUBLISH() Create PUBLISH message
Line 531 int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsi	Line 524 int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsi
* mqtt_readCONNECT() Read elements from CONNECT message	* mqtt_readCONNECT() Read elements from CONNECT message
*	*
* @buf = Message buffer	* @buf = Message buffer
* @kasec = Keep Alive in seconds for current connection	* @KASec = Keep Alive in seconds for current connection
* @psConnID = ConnectID	* @psConnID = ConnectID
* @connLen = ConnectID length	* @connLen = ConnectID length
* @psUser = Username if !=NULL	* @psUser = Username if !=NULL
Line 542 int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsi	Line 535 int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsi
* @psWillMessage = Will Message, may be NULL if !NULL must be free() after use!	* @psWillMessage = Will Message, may be NULL if !NULL must be free() after use!
* return: .reserved == 1 is error or == 0 connection flags & msg ok	* return: .reserved == 1 is error or == 0 connection flags & msg ok
*/	*/
mqtthdr_connack_t mqtt_readCONNECT(mqtt_msg_t * __restrict buf, unsigned short *kasec,	mqtthdr_connack_t mqtt_readCONNECT(mqtt_msg_t * __restrict buf, unsigned short *KASec,
char * __restrict psConnID, int connLen,	char * __restrict psConnID, int connLen,
char * __restrict psUser, int userLen, char * __restrict psPass, int passLen,	char * __restrict psUser, int userLen, char * __restrict psPass, int passLen,
char __restrict psWillTopic, char __restrict psWillMessage);	char __restrict psWillTopic, char __restrict psWillMessage);

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Removed from v.1.3.4.5
changed lines
	Added in v.1.3.4.9