Create MQTT database storage engine

atlesn / rrr

RRR (Read Route Record) is a general purpose acquirement, transmission and processing daemon supporting HTTP, MQTT, TCP, UDP and other I/O devices. RRR has a variety of different modules which can be chained together to retrieve, transmit, modify and save messages.

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Create MQTT database storage engine #11

Open atlesn opened 4 years ago

atlesn commented 4 years ago

Currently all session states are stored in the RAM engine. The session system is already designed to have multiple different storage engines. A database engine, e.g. MySQL, will allow for client state to be preserved across restarts.

atlesn commented 3 years ago

A lot of "business" rules of the MQTT protocol specification are inside the ram session framework. This must somehow be taken out to avoid duplication of these in a new session storage engine.