Paho Asynchronous MQTT C Client Library
Data Fields
MQTTAsync_successData5 Struct Reference

#include <MQTTAsync.h>

Data Fields

char struct_id [4]
 
int struct_version
 
MQTTAsync_token token
 
enum MQTTReasonCodes reasonCode
 
MQTTProperties properties
 
union {
   struct {
      int   reasonCodeCount
 
      enum MQTTReasonCodes *   reasonCodes
 
   }   sub
 
   struct {
      MQTTAsync_message   message
 
      char *   destinationName
 
   }   pub
 
   struct {
      char *   serverURI
 
      int   MQTTVersion
 
      int   sessionPresent
 
   }   connect
 
   struct {
      int   reasonCodeCount
 
      enum MQTTReasonCodes *   reasonCodes
 
   }   unsub
 
alt
 

Detailed Description

The data returned on completion of a successful API call in the response callback onSuccess.

Field Documentation

◆ struct_id

char struct_id[4]

The eyecatcher for this structure. Will be MQSD.

◆ struct_version

int struct_version

The version number of this structure. Will be 0

◆ token

A token identifying the successful request. Can be used to refer to the request later.

◆ reasonCode

enum MQTTReasonCodes reasonCode

MQTT V5 reason code returned

◆ properties

MQTTProperties properties

MQTT V5 properties returned, if any

◆ reasonCodeCount

int reasonCodeCount

the number of reason codes in the reasonCodes array

◆ reasonCodes

enum MQTTReasonCodes* reasonCodes

an array of reasonCodes

◆ 

struct { ... } sub

For subscribeMany, the list of reasonCodes returned by the server.

◆ message

the message being sent to the server

◆ destinationName

char* destinationName

the topic destination for the message

◆ 

struct { ... } pub

For publish, the message being sent to the server.

◆ serverURI

char* serverURI

the connection string of the server

◆ MQTTVersion

int MQTTVersion

the version of MQTT being used

◆ sessionPresent

int sessionPresent

the session present flag returned from the server

◆ 

struct { ... } connect

◆ 

struct { ... } unsub

For unsubscribeMany, the list of reasonCodes returned by the server.

◆ 

union { ... } alt

A union of the different values that can be returned for subscribe, unsubscribe and publish.


The documentation for this struct was generated from the following file: