[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 1.1.1.1.2.4 and 1.1.1.1.2.20

version 1.1.1.1.2.4, 2011/11/07 16:55:46 version 1.1.1.1.2.20, 2011/11/22 14:48:25
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_CONNECT       1       /* client request to connect to server */  
 #define MQTT_TYPE_CONNACK       2       /* connect acknowledgment */  
 #define MQTT_TYPE_PUBLISH       3       /* publish message */  
 #define MQTT_TYPE_PUBACK        4       /* publish acknowledgment */  
 #define MQTT_TYPE_PUBREC        5       /* publish received (assured delivery part 1) */  
 #define MQTT_TYPE_PUBREL        6       /* publish release (assured delivery part 2) */  
 #define MQTT_TYPE_PUBCOMP       7       /* publish complete (assured delivery part 3) */  
 #define MQTT_TYPE_SUBSCRIBE     8       /* client subscribe request */  
 #define MQTT_TYPE_SUBACK        9       /* subscribe acknowledgment */  
 #define MQTT_TYPE_UNSUBSCRIBE   10      /* client unsubscribe request */  
 #define MQTT_TYPE_UNSUBACK      11      /* unsubscribe acknowledgment */  
 #define MQTT_TYPE_PINGREQ       12      /* PING request */  
 #define MQTT_TYPE_PINGRESP      13      /* PING response */  
 #define MQTT_TYPE_DISCONNECT    14      /* client is disconnecting */  
 #define MQTT_TYPE_RESERVED      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. 
                                            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 93  typedef union { Line 75  typedef union {
                                 l:8;                                  l:8;
         } sb;          } sb;
         unsigned short  val;          unsigned short  val;
} mqtthdr_val_t;} mqtt_v_t;
   
 typedef struct {  typedef struct {
        mqtthdr_val_t      var_sb;        mqtt_v_t    sub_sb;
         char            *sub_data;
         unsigned char   sub_qos;
 } mqtt_subscr_t;
 
 typedef struct {
         mqtt_v_t      var_sb;
         unsigned char   var_data[0];          unsigned char   var_data[0];
 } __packed mqtthdr_var_t;  } __packed mqtthdr_var_t;
   #define MQTTHDR_VAR_SIZEOF(x)           (assert((x)), sizeof(mqtt_v_t) + ntohs((x)->var_sb.val))
   
 typedef unsigned char mqtthdr_protover_t;  typedef unsigned char mqtthdr_protover_t;
 typedef unsigned char mqtthdr_retcode_t;  
   
 typedef struct {  typedef struct {
         unsigned char   reserved:1,          unsigned char   reserved:1,
Line 113  typedef struct { Line 101  typedef struct {
                         username:1;                          username:1;
 } __packed mqtthdr_connflgs_t;  } __packed mqtthdr_connflgs_t;
   
   typedef struct {
           unsigned char   reserved;
           unsigned char   retcode;
   } __packed mqtthdr_connack_t;
   
   
   /* MQTT Message buffer */
   
   typedef struct {
           void            *msg_base;
           unsigned short  msg_len;
   } 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 123  inline const char *mqtt_GetError(); Line 128  inline const char *mqtt_GetError();
   
   
 /*  /*
    * mqtt_msgAlloc() Allocate memory for MQTT Message
    *
    * @len = >0 Allocate buffer with length
    * return: NULL error or Message, after use must call mqtt_msgFree() with all!=0
    */
   inline mqtt_msg_t *mqtt_msgAlloc(unsigned short len);
   /*
    * mqtt_msgFree() Free MQTT message
    *
    * @msg = Message buffer
    * @all = !=0 Destroy entire message, if MQTT Message allocated with mqtt_msgAlloc()
    * return: none
    */
   inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg, int all);
   /*
    * mqtt_msgRealloc() Reallocate MQTT message buffer
    *
    * @msg = MQTT message
    * @len = new length
    * return: -1 error or >-1 old buffer length
    */
   inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg, unsigned short len);
   
   /*
  * 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
  * @n = sizeof bytes, if !=NULL   * @n = sizeof bytes, if !=NULL
  * return: -1 error, >-1 length of message   * return: -1 error, >-1 length of message
Line 137  inline unsigned int mqtt_encodeLen(unsigned int num); Line 168  inline unsigned int mqtt_encodeLen(unsigned int num);
 inline unsigned int mqtt_decodeLen(unsigned int len, char *n);  inline unsigned int mqtt_decodeLen(unsigned int len, char *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_str2var Create MQTT variable from string * mqtt_str2sub Create MQTT subscribe variable from string(s)
 * @csStr = string *
 * @strLen = string length * @csStr = strings
 * return: NULL error or != ok variable, must be free after use! * @strnum = number of strings elements
  * @qoses = QoS elements applied to subscribe variable, 
  *              count of elements must be equal with csStr elements
  * return: NULL error or != subscribe variables array, must be free after use with mqtt_freeSub()
  */   */
inline mqtthdr_var_t *mqtt_str2var(const unsigned char *csStr, unsigned short strLen);inline mqtt_subscr_t *mqtt_str2sub(const char **csStr, unsigned short strnum, unsigned char *qoses);
 /*
  * mqtt_subFree() Free array from subscribe variables
  *
  * @subs = Subscribe variables
  * return: none
  */
 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
  *
  * @buf = Message buffer
  * @csConnID = ConnectID
  * @csUser = Username if !=NULL
  * @csPass = Password for Username, only if csUser is set
  * @csWillTopic = Will Topic if !=NULL Will Flags set into message
  * @csWillMessage = Will Message, may be NULL
  * @ClrSess = Clear Session subscriptions after disconnect
  * @WillQOS = Will QOS if csWillTopic is set
  * @WillRetain = Will Retain Will Message if csWillTopic is set
  * return: -1 error or >-1 message size for send
  */
 int mqtt_msgCONNECT(mqtt_msg_t * __restrict buf, const char *csConnID, 
                 const char *csUser, const char *csPass, 
                 const char *csWillTopic, const char *csWillMessage, 
                 unsigned char ClrSess, unsigned char WillQOS, unsigned char WillRetain);
 /*
  * mqtt_msgCONNACK() Create CONNACK message
  *
  * @buf = Message buffer
  * @retcode = Return code
  * return: -1 error or >-1 message size for send
  */
 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
  *
  * @buf = Message buffer
  * @csTopic = Publish topic
  * @msgID = MessageID >0, if QOS != MQTT_QOS_ONCE
  * @Dup = Duplicate message
  * @QOS = QoS
  * @Retain = Retain message
  * @pData = Publish data into topic
  * @datlen = Publish data length
  * return: -1 error or >-1 message size for send
  */
 int mqtt_msgPUBLISH(mqtt_msg_t * __restrict buf, const char *csTopic, unsigned short msgID, 
                 unsigned char Dup, unsigned char QOS, unsigned char Retain, 
                 const void *pData, unsigned short datlen);
 /*
  * mqtt_msgPUBACK() Create PUBACK message
  *
  * @buf = Message buffer
  * @msgID = MessageID
  * return: -1 error or >-1 message size for send
  */
 inline int mqtt_msgPUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID);
 /*
  * mqtt_msgPUBREC() Create PUBREC message
  *
  * @buf = Message buffer
  * @msgID = MessageID
  * return: -1 error or >-1 message size for send
  */
 inline int mqtt_msgPUBREC(mqtt_msg_t * __restrict buf, unsigned short msgID);
 /*
  * mqtt_msgPUBREL() Create PUBREL message
  *
  * @buf = Message buffer
  * @msgID = MessageID
  * return: -1 error or >-1 message size for send
  */
 inline int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf, unsigned short msgID);
 /*
  * mqtt_msgPUBCOMP() Create PUBCOMP message
  *
  * @buf = Message buffer
  * @msgID = MessageID
  * return: -1 error or >-1 message size for send
  */
 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);
   
   
 #endif  #endif
Removed from v.1.1.1.1.2.4  
changed lines
  Added in v.1.1.1.1.2.20

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