Using MQTT with kdb+
Message Queueing Telemetry Transport (MQTT) is a machine-to-machine/IOT connectivity protocol. It is designed to be lightweight, offering functionality for publish/subscribe messaging transport.
The protocol is commonly used for constrained devices with low bandwidth, high latency or on unreliable networks.
Use cases
This messaging protocol is used extensively where a small software footprint is required, e.g.
- communication with edge devices/sensors
- home automation
- mobile applications
Kdb+/MQTT integration
This interface lets you communicate with an MQTT broker from a kdb+ session. The interface follows closely the PAHO MQTT C API. Exposed functionality includes
- connect to an MQTT broker
- subscribe to topics
- publish to a broker
Function reference, example implementations
Install guide
To run the examples you will need a MQTT broker installed and running locally.
Status
The interface is currently available as a beta version under an Apache 2.0 license and is supported on a best-efforts basis by the Kx Fusion team. The interface is currently in active development, with additional functionality released on an ongoing basis.