node-red-contrib-topic-link 0.1.0

A link node with MQTT like wildcards

npm install node-red-contrib-topic-link

Send messages within Node-RED based on specified topics.

  • Supports basic wildcards like # and +.
  • Like MQTT nodes, but without broker, i.e. all messages are routed internally only.
  • In addition to MQTT topic rules, it also allows to PUBLISH on a topic that contains the + wildcard.
  • The nodes are connected on startup/deploy, leading to efficient message passing.
  • Supports dynamic topic setting via incomming messages. However, in this case, it is less efficient, since it has to loop over all topic-link in nodes to find a match.

The idea behind these two nodes is to have a link node with wildcards, but without the overhead of serialization, sending to broker, receiving from broker, deserialization if done via MQTT.

Node Info

Version: 0.1.0
Updated 2 months ago
License: Apache-2.0
Rating: not yet rated

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Nodes

  • topic-link in
  • topic-link out

Keywords

  • node-red
  • link
  • topic
  • wildcard

Maintainers