Crate mqttbytes[][src]



Packet type from a byte


Error during serialization and deserialization

MQTT packet type

Protocol type

Quality of service


Checks if the stream has enough bytes to frame a packet and returns fixed header only if a packet can be framed with existing bytes in the stream. The passed stream doesn’t modify parent stream’s cursor. If this function returned an error, next check on the same parent stream is forced start with cursor at 0 again (Iter is owned. Only Iter’s cursor is changed internally)

Checks if a topic or topic filter has wildcards

Checks if topic matches a filter. topic and filter validation isn’t done here.

Maps a number to QoS

Checks if the filter is valid

Checks if a topic is valid