#!/bin/bash
# vi: set sw=4 ts=4 ai:

# See also
#     https://docs.observium.org/developing/add_app/
#     https://docs.observium.org/developing/add_graph/
#     http://www.ajlc.waterloo.on.ca/node/6
#
# This script needs a config file, containing:
#
#    ICEURL="http://<icecast_ip>:<icecast_port>"
#
# e.g.
#    ICEURL="http://127.0.0.1:8000"
#

IAM="${0##*/}"
CRD="$( [[ "$(printf "${0}" | cut -c 1 )" = "." ]] &&
	{       printf "${PWD}/${0}"
	} || {
		printf "${0}"
	})"
CRD="${CRD%/*}"
CONF="${CRD}/${IAM}.conf"

# Need a config
if [[ ! -f ${CONF} ]]
then
	echo "No config file found for ${IAM}" >&2
	exit 1
fi

# Read the config
source ${CONF}

L=$(wget ${ICEURL}/status.xsl -o /dev/null -O -)

cur=$(echo "${L}"							| \
	sed -n '/Current Listeners/,/<\/tr>/p'	| \
	grep streamdata							| \
	sed 's/[^0-9]//g')

peak=$(echo "${L}"							| \
	sed -n '/Peak Listeners/,/<\/tr>/p'		| \
	grep streamdata							| \
	sed 's/[^0-9]//g')

echo '<<<app-icecast>>>'
echo "current:${cur}"
echo "max:${peak}"

exit 0