[BACK]Return to aitmqtt.h CVS log [TXT] [DIR] Up to [ELWIX - Embedded LightWeight unIX -] / mqtt / inc

Diff for /mqtt/inc/Attic/aitmqtt.h between versions 1.1.1.1.2.12 and 1.1.1.1.2.23

version 1.1.1.1.2.12, 2011/11/21 16:28:05 version 1.1.1.1.2.23, 2011/12/05 10:37:17
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 */  /* FIXED HEADER */
   
 struct mqtthdr {  struct mqtthdr {
        struct {        union {
                unsigned char   retain:1,                 struct {
                                qos:2,                        unsigned char   retain:1, 
                                dup:1,                                        qos:2,
                                type:4;                                        dup:1,
                                         type:4;
                 };
                 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 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 34  struct mqtthdr { Line 33  struct mqtthdr {
 #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 */
   
 #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 96  typedef union { Line 95  typedef union {
 } mqtt_v_t;  } mqtt_v_t;
   
 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;
   
 typedef struct {  typedef struct {
Line 132  typedef struct { Line 131  typedef struct {
         unsigned short  msg_len;          unsigned short  msg_len;
 } mqtt_msg_t;  } mqtt_msg_t;
   
   /* MQTT dispatcher callbacks */
   
   typedef int (*mqtt_cb_t)(void *);
   
   
 // -------------------------------------------------------  // -------------------------------------------------------
 // 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 143  inline const char *mqtt_GetError(); Line 146  inline const char *mqtt_GetError();
   
 /*  /*
  * mqtt_msgAlloc() Allocate memory for MQTT Message   * mqtt_msgAlloc() Allocate memory for MQTT Message
    *
  * @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);  inline mqtt_msg_t *mqtt_msgAlloc(unsigned short 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()   * @all = !=0 Destroy entire message, if MQTT Message allocated with mqtt_msgAlloc()
  * return: none   * return: none
Line 156  inline mqtt_msg_t *mqtt_msgAlloc(unsigned short len); Line 161  inline mqtt_msg_t *mqtt_msgAlloc(unsigned short len);
 inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int all);  inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int all);
 /*  /*
  * mqtt_msgRealloc() Reallocate MQTT message buffer   * mqtt_msgRealloc() Reallocate MQTT message buffer
    *
  * @msg = MQTT message   * @msg = MQTT message
  * @len = new length   * @len = new length
  * return: -1 error or >-1 old buffer length   * return: -1 error or >-1 old buffer length
Line 164  inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg Line 170  inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg
   
 /*  /*
  * mqtt_encodeLen() Encode number to MQTT length field   * mqtt_encodeLen() Encode number to MQTT length field
    *
  * @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);  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 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
    *
  * @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);  inline char mqtt_sizeLen(unsigned int len);
 /*  /*
  * mqtt_str2sub Create MQTT subscribe variable from string(s)   * mqtt_str2sub Create MQTT subscribe variable from string(s)
    *
  * @csStr = strings   * @csStr = strings
  * @strnum = number of strings elements   * @strnum = number of strings elements
  * @qoses = QoS elements applied to subscribe variable,    * @qoses = QoS elements applied to subscribe variable, 
Line 191  inline char mqtt_sizeLen(unsigned int len); Line 201  inline char mqtt_sizeLen(unsigned int len);
  */   */
 inline mqtt_subscr_t *mqtt_str2sub(const char **csStr, unsigned short strnum, unsigned char *qoses);  inline mqtt_subscr_t *mqtt_str2sub(const char **csStr, unsigned short strnum, unsigned char *qoses);
 /*  /*
 * mqtt_freeSub() 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_freeSub(mqtt_subscr_t ** __restrict subs);inline void mqtt_subFree(mqtt_subscr_t ** __restrict subs);
 /*
  * mqtt_subAlloc() Create array from subscribe variables
  *
  * @num = Number of elements
  * return: NULL error or subscribe array, after use must call mqtt_subFree()
  */
 inline mqtt_subscr_t *mqtt_subAlloc(unsigned short num);
   
   
   /*** SENDER FUNCTIONS ***/
   
 /*  /*
  * mqtt_msgCONNECT() Create CONNECT message   * mqtt_msgCONNECT() Create CONNECT message
  *   *
Line 225  int mqtt_msgCONNECT(mqtt_msg_t * __restrict buf, const Line 245  int mqtt_msgCONNECT(mqtt_msg_t * __restrict buf, const
  */   */
 int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsigned char retcode);  int mqtt_msgCONNACK(mqtt_msg_t * __restrict buf, unsigned char retcode);
 /*  /*
    * mqtt_msgDISCONNECT() Create DISCONNECT message
    *
    * @buf = Message buffer
    * return: -1 error or >-1 message size for send
    */
   int mqtt_msgDISCONNECT(mqtt_msg_t * __restrict buf);
   /*
    * mqtt_msgPINGREQ() Create PINGREQ message
    *
    * @buf = Message buffer
    * return: -1 error or >-1 message size for send
    */
   int mqtt_msgPINGREQ(mqtt_msg_t * __restrict buf);
   /*
    * mqtt_msgPINGRESP() Create PINGRESP message
    *
    * @buf = Message buffer
    * return: -1 error or >-1 message size for send
    */
   int mqtt_msgPINGRESP(mqtt_msg_t * __restrict buf);
   
   /*
  * mqtt_msgPUBLISH() Create PUBLISH message   * mqtt_msgPUBLISH() Create PUBLISH message
  *   *
  * @buf = Message buffer   * @buf = Message buffer
Line 272  inline int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf, Line 314  inline int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf,
  * 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);  inline int mqtt_msgPUBCOMP(mqtt_msg_t * __restrict buf, unsigned short msgID);
   
   /*
    * mqtt_msgSUBSCRIBE() Create SUBSCRIBE message
    *
    * @buf = Message buffer
    * @Topics = MQTT subscription topics
    * @msgID = MessageID
    * @Dup = Duplicate message
    * @QOS = QoS
    * return: -1 error or >-1 message size for send
    */
   int
   mqtt_msgSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_subscr_t * __restrict Topics, 
                   unsigned short msgID, unsigned char Dup, unsigned char QOS);
   /*
    * mqtt_msgSUBACK() Create SUBACK message
    *
    * @buf = Message buffer
    * @Topics = MQTT subscription topics
    * @msgID = MessageID
    * return: -1 error or >-1 message size for send
    */
   int mqtt_msgSUBACK(mqtt_msg_t * __restrict buf, mqtt_subscr_t * __restrict Topics, 
                   unsigned short msgID);
   /*
    * mqtt_msgUNSUBSCRIBE() Create UNSUBSCRIBE message
    *
    * @buf = Message buffer
    * @Topics = MQTT subscription topics
    * @msgID = MessageID
    * @Dup = Duplicate message
    * @QOS = QoS
    * return: -1 error or >-1 message size for send
    */
   int
   mqtt_msgUNSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_subscr_t * __restrict Topics, 
                   unsigned short msgID, unsigned char Dup, unsigned char QOS);
   /*
    * mqtt_msgUNSUBACK() Create UNSUBACK message
    *
    * @buf = Message buffer
    * @msgID = MessageID
    * return: -1 error or >-1 message size for send
    */
   int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID);
   
   
   /*** RECEIVER FUNCTIONS ***/
   
   /*
    * mqttInitCallbacks() Init callback array for dispatcher
    *
    * return: NULL error or !=NULL allocated callback array, after use free with mqttFiniCallbacks()
    */
   mqtt_cb_t *mqttInitCallbacks(void);
   /*
    * mqttFiniCallbacks() Free callback array
    *
    * @cb = Callback array
    * return: none
    */
   void mqttFiniCallbacks(mqtt_cb_t ** __restrict cb);
   /*
    * MQTT_CALLBACK() Assign function to callback array for MQTT dispatcher
    *
    * @_cbs = Callback array
    * @_x = MQTT Message type, like MQTT_TYPE_* ...
    * @_func = Function
    * return: none
    */
   #define MQTT_CALLBACK(_cbs, _x, _func)  (assert((_cbs)), (_cbs)[(_x)] = (_func))
   /*
    * mqttDispatcher() MQTT Message type dispatcher
    *
    * @cb = Callback array
    * @buf = Received MQTT message
    * return: -1 error or >-1 return value from executed callback
    */
   inline int mqttDispatcher(mqtt_cb_t * __restrict cb, mqtt_msg_t * __restrict buf);
   
   
 #endif  #endif
Removed from v.1.1.1.1.2.12  
changed lines
  Added in v.1.1.1.1.2.23

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>