yanic/README.md

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# Yanic
```
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\ \ / /_ _ _ __ (_) ___
\ V / _` | '_ \| |/ __|
| | (_| | | | | | (__
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Yet another node info collector
```
[![Build Status](https://travis-ci.org/FreifunkBremen/yanic.svg?branch=master)](https://travis-ci.org/FreifunkBremen/yanic)
[![Coverage Status](https://coveralls.io/repos/github/FreifunkBremen/yanic/badge.svg?branch=master)](https://coveralls.io/github/FreifunkBremen/yanic?branch=master)
[![Go Report Card](https://goreportcard.com/badge/github.com/FreifunkBremen/yanic)](https://goreportcard.com/report/github.com/FreifunkBremen/yanic)
`yanic` is a respondd client that fetches, stores and publishes information about a Freifunk network. The goals:
* Generating JSON for [Meshviewer](https://github.com/ffrgb/meshviewer)
* Storing statistics in [InfluxDB](https://influxdata.com/) or [Graphite](https://graphiteapp.org/) to be analyzed by [Grafana](http://grafana.org/)
* Provide a little webserver for a standalone installation with a meshviewer
## 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.
## [Documentation](https://www.gitbook.com/book/freifunkbremen/yanic/details)
* [Webview](https://freifunkbremen.gitbooks.io/yanic/content/)
* [PDF](https://www.gitbook.com/download/pdf/book/freifunkbremen/yanic)
* [Mobi](https://www.gitbook.com/download/mobi/book/freifunkbremen/yanic)
* [ePUB](https://www.gitbook.com/download/epub/book/freifunkbremen/yanic)
## Quick startup
### Usage
```
Usage of ./yanic:
-config path/to/config.toml
```
### Configuration
Read comments in [config_example.toml](config_example.toml) for more information.
### Live
* [meshviewer](https://map.bremen.freifunk.net) **Freifunk Bremen** with a patch to show state-version of `nodes.json`
* [grafana](https://grafana.bremen.freifunk.net) **Freifunk Bremen** show data of InfluxDB
## Related projects
Collecting data from respondd:
* [HopGlass Server](https://github.com/plumpudding/hopglass-server) written in Node.js
Respondd for servers:
* [ffnord-alfred-announce](https://github.com/ffnord/ffnord-alfred-announce) from FreiFunkNord
* [respondd](https://github.com/Sunz3r/ext-respondd) from Sunz3r