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Respond Collector

respond-collector is a respondd client that fetches, stores and publishes information about a Freifunk network. The goals:

Generating JSON for Meshviewer
Storing statistics in InfluxDB to be analyzed by Grafana
Provide a little webserver for a standalone installation with a meshviewer

Usage

Usage of ./respond-collector:
  -config path/to/config.toml

Configuration

Read comments in config_example.toml for more information.

Live

meshviewer Freifunk Bremen with a patch to show state-version of nodes.json
grafana Freifunk Bremen show data of InfluxDB

How it works

It sends the gluon-neighbour-info request and collects the answers.

It will send UDP packets with multicast group ff02:0:0:0:0:0:2:1001 and port 1001.

If a node does not answer, it will request with the last know address under the port 1001.

Collecting data from respondd:

Node informant written in Go
HopGlass Server written in Node.js

Respondd for servers:

ffnord-alfred-announce from FreiFunkNord
respondd from Sunz3r