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comet-knx-backend

# comet-knx-backend

Beta of an interface between knxd (the knx daemon) and CometVisu using Server Sent Events (SSE aka EventStream).

Requires

ES6 e.g. NodeJS 10 LTS, get it here: nodejs.org

Install

• clone the repository
• rename file config-sample.json to config.json

Configuration

• config.json

  • the IP address or name of the knxd server: Locate knxd object, host: 'my-knxd-server.local' change to your setup
  • the default port of 32150: See http object, locate port:32150
  • if required adjust the keepaliveSecs setting - if there was no telegram to be sent upstream to the CV this triggers an empty message to force the reverse proxy to keep the session alive
  • the debug output in stdout: set the level in loglevel: 4- Debug, 3-Info, 2-Warning, 1-Error only; defaults to Warning=2

• configure your webserver to proxy the following paths:

  • /rest/cv/read --> localhost:32150/read
  • /rest/cv/write --> localhost:32150/write
  • /rest/cv/login --> localhost:32150/login

• configure your webserver to point /rest/cv/login in the apache settings. See the sample in 010-apache2sample.conf

Run

• start the server with node knxcometbackend.js
• optional parameters: --config | -c <path>: use other config-file than local config.json

not supported yet:

• rrdfetch