version 1.1.1.1.2.19, 2011/11/22 14:19:48
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version 1.1.1.1.2.33, 2011/12/09 11:46:48
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Line 18 struct mqtthdr {
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Line 18 struct mqtthdr {
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} __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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#define MQTT_TYPE_UNKNOWN 0 /* reserved */ |
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#define MQTT_TYPE_CONNECT 1 /* client request to connect to server */ |
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#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment */ |
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#define MQTT_TYPE_PUBLISH 3 /* publish message */ |
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#define MQTT_TYPE_PUBACK 4 /* publish acknowledgment */ |
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#define MQTT_TYPE_PUBREC 5 /* publish received (assured delivery part 1) */ |
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#define MQTT_TYPE_PUBREL 6 /* publish release (assured delivery part 2) */ |
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#define MQTT_TYPE_PUBCOMP 7 /* publish complete (assured delivery part 3) */ |
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#define MQTT_TYPE_SUBSCRIBE 8 /* client subscribe request */ |
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#define MQTT_TYPE_SUBACK 9 /* subscribe acknowledgment */ |
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#define MQTT_TYPE_UNSUBSCRIBE 10 /* client unsubscribe request */ |
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#define MQTT_TYPE_UNSUBACK 11 /* unsubscribe acknowledgment */ |
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#define MQTT_TYPE_PINGREQ 12 /* PING request */ |
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#define MQTT_TYPE_PINGRESP 13 /* PING response */ |
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#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting */ |
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#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. |
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 78 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 91 typedef struct {
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Line 108 typedef struct {
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typedef unsigned char mqtthdr_protover_t; |
typedef unsigned char mqtthdr_protover_t; |
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typedef struct { | typedef union { |
unsigned char reserved:1, | struct { |
clean_sess:1, | unsigned char reserved:1, |
will_flg:1, | clean_sess:1, |
will_qos:2, | will_flg:1, |
will_retain:1, | will_qos:2, |
password:1, | will_retain:1, |
username:1; | password:1, |
| username:1; |
| }; |
| unsigned char flags; |
} __packed mqtthdr_connflgs_t; |
} __packed mqtthdr_connflgs_t; |
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typedef struct { |
typedef struct { |
Line 114 typedef struct {
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Line 134 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 157 inline unsigned int mqtt_encodeLen(unsigned int num);
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Line 181 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 193 inline void mqtt_subFree(mqtt_subscr_t ** __restrict s
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Line 217 inline void mqtt_subFree(mqtt_subscr_t ** __restrict s
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* 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); |
inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num); |
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/* |
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* mqtt_subRealloc() Reallocate array from subscribe variables |
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* |
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* @subs = Subscribe array |
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* @num = Number of elements |
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* return: NULL error or subscribe array, after use must call mqtt_subFree() |
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*/ |
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inline mqtt_subscr_t *mqtt_subRealloc(mqtt_subscr_t * __restrict subs, unsigned short num); |
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/*** SENDER FUNCTIONS ***/ |
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/* |
/* |
* mqtt_msgCONNECT() Create CONNECT message |
* mqtt_msgCONNECT() Create CONNECT message |
* |
* |
Line 255 int mqtt_msgPINGRESP(mqtt_msg_t * __restrict buf);
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Line 290 int mqtt_msgPINGRESP(mqtt_msg_t * __restrict buf);
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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 335 mqtt_msgUNSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_
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Line 370 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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* |
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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 and must be free() |
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* @psWillMessage = Will Message, may be NULL if !NULL must be free() after use! |
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* return: .reserved == 1 is error or == 0 connection flags & msg ok |
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*/ |
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mqtthdr_connack_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, char ** __restrict psWillMessage); |
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/* |
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* mqtt_readCONNACK() Read CONNACK message |
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* |
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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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* |
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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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* |
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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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* |
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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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* |
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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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* |
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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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* |
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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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* |
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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_readSUBSCRIBE() Read SUBSCRIBE message |
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* |
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* @buf = Message buffer |
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* @msgID = MessageID |
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* @subscr = Subscriptions, must be free after use with mqtt_subFree() |
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* return: NULL error or !=NULL MQTT fixed header |
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*/ |
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struct mqtthdr *mqtt_readSUBSCRIBE(mqtt_msg_t * __restrict buf, unsigned short *msgID, |
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mqtt_subscr_t **subscr); |
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/* |
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* mqtt_readSUBACK() Read SUBACK message |
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* |
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* @buf = Message buffer |
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* @msgID = MessageID |
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* @subqos = Subscribes QoS, must be free after use with free() |
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* return: -1 error or >-1 readed subscribes QoS elements |
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*/ |
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int mqtt_readSUBACK(mqtt_msg_t * __restrict buf, u_short *msgID, unsigned char **subqos); |
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/* |
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* mqtt_readUNSUBSCRIBE() Read UNSUBSCRIBE message |
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* |
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* @buf = Message buffer |
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* @msgID = MessageID |
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* @subscr = Subscriptions, must be free after use with mqtt_subFree() |
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* return: NULL error or !=NULL MQTT fixed header |
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*/ |
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struct mqtthdr *mqtt_readUNSUBSCRIBE(mqtt_msg_t * __restrict buf, unsigned short *msgID, |
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mqtt_subscr_t **subscr); |
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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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* |
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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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* |
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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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* |
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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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* |
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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 |