Generates and provide a Client ID for the application/machine. More...

Macros
#define	DATASTORE_MQTT_CLIENT_ID_KEY "mqtt_client_client_id"

Functions
const char *	mqtt_client_id_get_from_config ()
	Reads the configuration and determines which MQTT Client ID we should use. More...

void	mqtt_client_store_client_id_to_datastore (const char *client_id_in_use)
	Stores the MQTT Client ID we used in the datastore, if any datastore is active with the current application. More...

Detailed Description

Generates and provide a Client ID for the application/machine.

This component provide an MQTT Client ID for each application that will be deterministic (i.e. identical on reboot) and unique to each application /machine.

Macro Definition Documentation

◆ DATASTORE_MQTT_CLIENT_ID_KEY

#define DATASTORE_MQTT_CLIENT_ID_KEY "mqtt_client_client_id"

Function Documentation

◆ mqtt_client_id_get_from_config()

const char * mqtt_client_id_get_from_config ( )

Reads the configuration and determines which MQTT Client ID we should use.

Returns: const char* C-String for the Client ID to use.

◆ mqtt_client_store_client_id_to_datastore()

void mqtt_client_store_client_id_to_datastore ( const char * client_id_in_use )

Stores the MQTT Client ID we used in the datastore, if any datastore is active with the current application.

This function will emit an error message if a different MQTT Client ID was stored in the database before.

Parameters

client_id_in_use Current MQTT Client ID used for the broker.