#!/bin/bash
#
: <<=cut

=head1 NAME

fr24 - Plugin to monitor your flightradar24.com feeder.

=head1 APPLICABLE SYSTEMS

All Linux systems.

=head1 CONFIGURATION

The following is default configuration:

  [fr24]
        env.MONITOR http://192.168.1.1:8754/monitor.json

Set the right URL according to your FR24 Feeder.

=head1 VERSION

  1

=head1 AUTHOR

Benoît.S « Benpro » <benpro@benpro.fr>

=head1 LICENSE

WTFPL

=cut

MONITOR=${MONITOR:-http://192.168.1.1:8754/monitor.json}

case $1 in
    config)
        echo "graph_title Number of planes in sight
graph_info Number of planes in sight with DVB-T receiver.
graph_category fr24
graph_vlabel Number of planes
planes.label planes"
        exit 0;;
esac

planes=$(curl -qs "$MONITOR" | grep -Eo '"d11_map_size":"[0-9]+"' | grep -Eo '[0-9]+' | tail -1)
echo "planes.value $planes"