#!/bin/sh
#===============================================================================
#
#  Copyright (C) 2022 by Digi International Inc.
#  All rights reserved.
#
#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License version 2 as published by
#  the Free Software Foundation.
#
#
#  !Description: Initialize the ConnectCore demo example
#
#===============================================================================

readonly DEMOSERVER_BINARY="/srv/www/demoserver.py"
readonly STOP_TIMEOUT="5"
readonly PULSEAUDIO_START_COMMAND="pulseaudio --start"

[ -z "${XDG_RUNTIME_DIR}" ] && export XDG_RUNTIME_DIR=/run/user/$UID

stop_process() {
	# try to stop gracefully
	pkill -f "${1}" >/dev/null 2>&1
	for i in $(seq ${STOP_TIMEOUT}); do
		pid=$(pgrep -f "${1}") || break
		if [ "${i}" -eq ${STOP_TIMEOUT} ]; then
			kill -KILL "${pid}" >/dev/null 2>&1
		fi
		sleep 1
	done
}

case "$1" in
	start)
		pkill -0 "pulseaudio" >/dev/null 2>&1 || ${PULSEAUDIO_START_COMMAND}
		${DEMOSERVER_BINARY} > /dev/null 2>&1 &
		;;
	stop)
		stop_process "${DEMOSERVER_BINARY}"
		;;
	restart)
		$0 stop
		sleep 1
		$0 start
		;;
	*)
		echo "Usage: $0 {start|stop|restart}"
		exit 1
		;;
esac