Module paho_mqtt::client_persistence

Definitions for creating user-defined persistence.

Structs

• UserPersistence
  A struct to wrap the user-defined client persistence objects for the C library, including the callback funtions from the C library. These functions receive the persistence callbacks from the C library and then pass them on to the user-supplied struct which implements the ClientPersistence trait.

Constants

• PERSISTENCE_ERROR
  Return value for a failed persistence operation
• PERSISTENCE_SUCCESS
  Return value for a successful persistence operation

Traits

• ClientPersistence
  Trait to implement custom persistence in the client.

Type Aliases

• ClientPersistenceType
  The type for a client persistence object.