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Yanic

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Yet another node info collector

yanic 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 ./yanic:
  -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

In the first step Yanic sends a multicast message to the group ff02:0:0:0:0:0:2:1001 and port 1001. Recently seen nodes that does not reply are requested via a unicast message.

Collecting data from respondd:

HopGlass Server written in Node.js

Respondd for servers:

ffnord-alfred-announce from FreiFunkNord
respondd from Sunz3r

1.7 KiB Raw Blame History