version 1.1.1.1.2.1, 2011/11/07 13:34:06
|
version 1.1.1.1.2.4, 2011/11/07 16:55:46
|
Line 2
|
Line 2
|
#define __AITMQTT_H |
#define __AITMQTT_H |
|
|
|
|
|
#define MQTT_DATA_MAX 268435455 |
|
#define MQTT_CONN_STR "MQIsdp" |
|
#define MQTT_PROTO_VER 3 |
|
#define MQTT_KEEPALIVE 10 |
|
|
|
/* FIXED HEADER */ |
|
|
struct mqtthdr { |
struct mqtthdr { |
unsigned char mqtt_retain : 1, | struct { |
mqtt_qos : 2, | unsigned char retain:1, |
mqtt_dup : 1, | qos:2, |
mqtt_type : 4; | dup:1, |
unsigned char mqtt_len; | type:4; |
}; | } mqtt_msg; |
| unsigned char mqtt_len[1]; /* may be grow to 4 bytes */ |
| } __packed; |
|
|
#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 */ |
Line 68 struct mqtthdr {
|
Line 77 struct mqtthdr {
|
A server may delete a retained message if it receives a message |
A server may delete a retained message if it receives a message |
with a zero-length payload and the Retain flag set on the same topic. */ |
with a zero-length payload and the Retain flag set on the same topic. */ |
|
|
|
/* VARIABLE HEADERS */ |
|
|
|
#define MQTT_RETCODE_ACCEPTED 0 |
|
#define MQTT_RETCODE_REFUSE_VER 1 |
|
#define MQTT_RETCODE_REFUSE_ID 2 |
|
#define MQTT_RETCODE_REFUSE_UNAVAIL 3 |
|
#define MQTT_RETCODE_REFUSE_USERPASS 4 |
|
#define MQTT_RETCODE_DENIED 5 |
|
|
|
|
|
typedef union { |
|
struct { |
|
unsigned short m:8, |
|
l:8; |
|
} sb; |
|
unsigned short val; |
|
} mqtthdr_val_t; |
|
|
|
typedef struct { |
|
mqtthdr_val_t var_sb; |
|
unsigned char var_data[0]; |
|
} __packed mqtthdr_var_t; |
|
|
|
typedef unsigned char mqtthdr_protover_t; |
|
typedef unsigned char mqtthdr_retcode_t; |
|
|
|
typedef struct { |
|
unsigned char reserved:1, |
|
clean_sess:1, |
|
will_flg:1, |
|
will_qos:2, |
|
will_retain:1, |
|
password:1, |
|
username:1; |
|
} __packed mqtthdr_connflgs_t; |
|
|
|
|
// ------------------------------------------------------- |
// ------------------------------------------------------- |
// 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 86 inline unsigned int mqtt_encodeLen(unsigned int num);
|
Line 131 inline unsigned int mqtt_encodeLen(unsigned int num);
|
/* |
/* |
* mqtt_decodeLen() Decode length from MQTT packet |
* mqtt_decodeLen() Decode length from MQTT packet |
* @len = length |
* @len = length |
|
* @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); | inline unsigned int mqtt_decodeLen(unsigned int len, char *n); |
| /* |
| * mqtt_sizeLen Return sizeof len field |
| * @len = length |
| * return: -1 error, >-1 sizeof len in bytes |
| */ |
| inline char mqtt_sizeLen(unsigned int len); |
| /* |
| * mqtt_str2var Create MQTT variable from string |
| * @csStr = string |
| * @strLen = string length |
| * return: NULL error or != ok variable, must be free after use! |
| */ |
| inline mqtthdr_var_t *mqtt_str2var(const unsigned char *csStr, unsigned short strLen); |
|
|
|
|
#endif |
#endif |