boost::mqtt5::client::error

Defines error codes related to MQTT client.

Defined in header <boost/mqtt5/error.hpp>

enum class error
    : int;

Name	Description
`malformed_packet`	The packet is malformed.
`packet_too_large`	The packet has exceeded the Maximum Packet Size the Server is willing to accept.
`session_expired`	The Client's session does not exist or it has expired.
`pid_overrun`	There are no more available Packet Identifiers to use.
`invalid_topic`	The Topic is invalid and does not conform to the specification.
`qos_not_supported`	The Server does not support the specified `qos_e`.
`retain_not_available`	The Server does not support retained messages.
`topic_alias_maximum_reached`	The Client attempted to send a Topic Alias that is greater than Topic Alias Maximum.
`wildcard_subscription_not_available`	The Server does not support Wildcard Subscriptions.
`subscription_identifier_not_available`	The Server does not support this Subscription Identifier.
`shared_subscription_not_available`	The Server does not support Shared Subscriptions.

Encapsulates errors that occur on the client side.

Convenience header <boost/mqtt5.hpp>

Boost C++ Libraries