logger

A logger class that can used by the mqtt_client to output the results of operations to stderr.

class logger

Member Functions

Name	Description
at_connack	Outputs the contents of the `CONNACK` packet sent by the Broker.
at_disconnect	Outputs the contents of the `DISCONNECT` packet sent by the Broker.
at_resolve	Outputs the results of the resolve operation.
at_tcp_connect	Outputs the results of the TCP connect operation.
at_tls_handshake	Outputs the results of the TLS handshake operation.
at_ws_handshake	Outputs the results of the WebSocket handshake operation.
logger [constructor]	Constructs a logger that filters log messages based on the specified log level.

All functions are invoked directly within the mqtt_client using its default executor. If the mqtt_client is initialized with an explicit or implicit strand, none of the functions will be invoked concurrently.

Thread safety

Distinct objects: unsafe.

Shared objects: unsafe.

This class is not thread-safe.

Requirements

Header: async_mqtt5/logger.hpp

Convenience header: async_mqtt5.hpp