version 1.1.1.1.2.17, 2011/11/22 14:00:09
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version 1.1.1.1.2.28, 2011/12/06 09:04:55
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#define __AITMQTT_H |
#define __AITMQTT_H |
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#define MQTT_DATA_MAX 268435455 |
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#define MQTT_CONN_STR "MQIsdp" |
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#define MQTT_PROTO_VER 3 |
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#define MQTT_KEEPALIVE 10 |
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/* FIXED HEADER */ |
/* FIXED HEADER */ |
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struct mqtthdr { |
struct mqtthdr { |
Line 17 struct mqtthdr {
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Line 12 struct mqtthdr {
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dup:1, |
dup:1, |
type:4; |
type:4; |
}; |
}; |
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; |
} __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) |
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Line 38 struct mqtthdr {
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Line 33 struct mqtthdr {
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#define MQTT_TYPE_PINGREQ 12 /* PING request */ |
#define MQTT_TYPE_PINGREQ 12 /* PING request */ |
#define MQTT_TYPE_PINGRESP 13 /* PING response */ |
#define MQTT_TYPE_PINGRESP 13 /* PING response */ |
#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting */ |
#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting */ |
#define MQTT_TYPE_RESERVED 15 /* reserved */ | #define MQTT_TYPE_MAX 15 /* reserved */ |
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#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. |
Line 100 typedef union {
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Line 95 typedef union {
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} mqtt_v_t; |
} mqtt_v_t; |
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typedef struct { |
typedef struct { |
mqtt_v_t sub_sb; | unsigned char sub_ret; |
char *sub_data; | struct __sbuf sub_topic; |
unsigned char sub_qos; | struct __sbuf sub_value; |
} mqtt_subscr_t; |
} mqtt_subscr_t; |
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typedef struct { |
typedef struct { |
Line 136 typedef struct {
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Line 131 typedef struct {
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unsigned short msg_len; |
unsigned short msg_len; |
} mqtt_msg_t; |
} mqtt_msg_t; |
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/* MQTT dispatcher callbacks */ |
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typedef int (*mqtt_cb_t)(void *); |
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// ------------------------------------------------------- |
// ------------------------------------------------------- |
// mqtt_GetErrno() Get error code of last operation |
// mqtt_GetErrno() Get error code of last operation |
inline int mqtt_GetErrno(); |
inline int mqtt_GetErrno(); |
Line 179 inline unsigned int mqtt_encodeLen(unsigned int num);
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Line 178 inline unsigned int mqtt_encodeLen(unsigned int num);
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/* |
/* |
* mqtt_decodeLen() Decode length from MQTT packet |
* mqtt_decodeLen() Decode length from MQTT packet |
* |
* |
* @len = length | * @len = length from MQTT header |
* @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(unsigned int len, char *n); | inline unsigned int mqtt_decodeLen(void * __restrict len, int * __restrict n); |
/* |
/* |
* mqtt_sizeLen Return sizeof len field |
* mqtt_sizeLen Return sizeof len field |
* |
* |
Line 216 inline void mqtt_subFree(mqtt_subscr_t ** __restrict s
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Line 215 inline void mqtt_subFree(mqtt_subscr_t ** __restrict s
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*/ |
*/ |
inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num); |
inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num); |
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/*** SENDER FUNCTIONS ***/ |
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/* |
/* |
* mqtt_msgCONNECT() Create CONNECT message |
* mqtt_msgCONNECT() Create CONNECT message |
* |
* |
Line 242 int mqtt_msgCONNECT(mqtt_msg_t * __restrict buf, const
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Line 244 int mqtt_msgCONNECT(mqtt_msg_t * __restrict buf, const
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* return: -1 error or >-1 message size for send |
* return: -1 error or >-1 message size for send |
*/ |
*/ |
int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsigned char retcode); |
int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsigned char retcode); |
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/* |
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* mqtt_msgDISCONNECT() Create DISCONNECT message |
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* |
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* @buf = Message buffer |
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* return: -1 error or >-1 message size for send |
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*/ |
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int mqtt_msgDISCONNECT(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_msgPINGREQ() Create PINGREQ message |
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* |
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* @buf = Message buffer |
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* return: -1 error or >-1 message size for send |
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*/ |
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int mqtt_msgPINGREQ(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_msgPINGRESP() Create PINGRESP message |
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* |
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* @buf = Message buffer |
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* return: -1 error or >-1 message size for send |
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*/ |
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int mqtt_msgPINGRESP(mqtt_msg_t * __restrict buf); |
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/* |
/* |
* mqtt_msgPUBLISH() Create PUBLISH message |
* mqtt_msgPUBLISH() Create PUBLISH message |
Line 256 int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsig
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Line 279 int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsig
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* @datlen = Publish data length |
* @datlen = Publish data length |
* return: -1 error or >-1 message size for send |
* return: -1 error or >-1 message size for send |
*/ |
*/ |
int mqtt_msgPUBLISH(mqtt_msg_t * __restrict buf, const char *csTopic, unsigned short msgID, | int mqtt_msgPUBLISH(mqtt_msg_t * __restrict buf, const char *csTopic, |
unsigned char Dup, unsigned char QOS, unsigned char Retain, | unsigned short msgID, unsigned char Dup, unsigned char QOS, |
const void *pData, unsigned short datlen); | unsigned char Retain, const void *pData, int datlen); |
/* |
/* |
* mqtt_msgPUBACK() Create PUBACK message |
* mqtt_msgPUBACK() Create PUBACK message |
* |
* |
Line 336 mqtt_msgUNSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_
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Line 359 mqtt_msgUNSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_
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* return: -1 error or >-1 message size for send |
* return: -1 error or >-1 message size for send |
*/ |
*/ |
int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID); |
int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID); |
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/*** RECEIVER FUNCTIONS ***/ |
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/* |
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* mqtt_readCONNECT() Read elements from CONNECT message |
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* @buf = Message buffer |
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* @kasec = Keep Alive in seconds for current connection |
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* @psConnID = ConnectID |
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* @connLen = ConnectID length |
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* @psUser = Username if !=NULL |
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* @userLen = Username length |
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* @psPass = Password for Username, only if csUser is set |
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* @passLen = Password length |
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* @psWillTopic = Will Topic if !=NULL Will Flags set into message |
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* @topicLen = Will Topic length |
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* @psWillMessage = Will Message, may be NULL |
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* @msgLen = Will Message length |
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* return: .reserved == 1 is error or == 0 connection flags & msg ok |
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*/ |
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mqtthdr_connflgs_t mqtt_readCONNECT(mqtt_msg_t * __restrict buf, unsigned short *kasec, |
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char * __restrict psConnID, int connLen, |
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char * __restrict psUser, int userLen, char * __restrict psPass, int passLen, |
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char * __restrict psWillTopic, int topicLen, char * __restrict psWillMessage, int msgLen); |
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/* |
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* mqtt_readCONNACK() Read CONNACK message |
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* @buf = Message buffer |
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* return: -1 error or >-1 CONNECT message return code |
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*/ |
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unsigned char mqtt_readCONNACK(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readDISCONNECT() Read DISCONNECT message |
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* @buf = Message buffer |
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* return: -1 error, 0 ok, >0 undefined result |
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*/ |
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int mqtt_readDISCONNECT(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readPINGREQ() Read PINGREQ message |
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* |
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* @buf = Message buffer |
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* return: -1 error, 0 ok, >0 undefined result |
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*/ |
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int mqtt_readPINGREQ(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readPINGRESP() Read PINGRESP message |
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* @buf = Message buffer |
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* return: -1 error, 0 ok, >0 undefined result |
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*/ |
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int mqtt_readPINGRESP(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readPUBLISH() Read PUBLISH message |
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* @buf = Message buffer |
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* @psTopic = Topic |
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* @topicLen = Topic length |
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* @msgID = MessageID |
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* @pData = Data buffer |
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* @datLen = Data buffer length, if *datLen == 0 allocate memory for pData |
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* return: NULL error or !=NULL MQTT fixed header |
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*/ |
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struct mqtthdr *mqtt_readPUBLISH(mqtt_msg_t * __restrict buf, char * __restrict psTopic, |
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int topicLen, unsigned short *msgID, void * __restrict pData, int *datLen); |
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/* |
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* mqtt_readPUBACK() Read PUBACK message |
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* @buf = Message buffer |
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* return: -1 error or MessageID |
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*/ |
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u_short mqtt_readPUBACK(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readPUBREC() Read PUBREC message |
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* @buf = Message buffer |
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* return: -1 error or MessageID |
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*/ |
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u_short mqtt_readPUBREC(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readPUBREL() Read PUBREL message |
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* @buf = Message buffer |
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* return: -1 error or MessageID |
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*/ |
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u_short mqtt_readPUBREL(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readPUBCOMP() Read PUBCOMP message |
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* @buf = Message buffer |
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* return: -1 error or MessageID |
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*/ |
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u_short mqtt_readPUBCOMP(mqtt_msg_t * __restrict buf); |
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/* |
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* mqtt_readUNSUBACK() Read UNSUBACK message |
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* |
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* @buf = Message buffer |
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* return: -1 error or MessageID |
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*/ |
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u_short mqtt_readUNSUBACK(mqtt_msg_t * __restrict buf); |
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/*** ENGINE FUNCTIONS ***/ |
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/* |
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* mqttInitCallbacks() Init callback array for dispatcher |
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* return: NULL error or !=NULL allocated callback array, after use free with mqttFiniCallbacks() |
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*/ |
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mqtt_cb_t *mqttInitCallbacks(void); |
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/* |
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* mqttFiniCallbacks() Free callback array |
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* @cb = Callback array |
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* return: none |
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*/ |
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void mqttFiniCallbacks(mqtt_cb_t ** __restrict cb); |
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/* |
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* MQTT_CALLBACK() Assign function to callback array for MQTT dispatcher |
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* @_cbs = Callback array |
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* @_x = MQTT Message type, like MQTT_TYPE_* ... |
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* @_func = Function |
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* return: none |
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*/ |
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#define MQTT_CALLBACK(_cbs, _x, _func) (assert((_cbs)), (_cbs)[(_x)] = (_func)) |
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/* |
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* mqttDispatcher() MQTT Message type dispatcher |
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* @cb = Callback array |
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* @buf = Received MQTT message |
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* return: -1 error or >-1 return value from executed callback |
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*/ |
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inline int mqttDispatcher(mqtt_cb_t * __restrict cb, mqtt_msg_t * __restrict buf); |
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#endif |
#endif |