#!/bin/sh
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

. /etc/sysconfig/rc
. ${rc_functions}

LLDPDARGS=""

# Read the configuration
readhash CONFIG "/var/ipfire/lldp/settings"

# Read-in network settings
eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)

generate_config() {
	# Set the description (if given)
	if [ -n "${CONFIG["DESCRIPTION"]}" ]; then
		echo "configure system description ${CONFIG["DESCRIPTION"]}"
	fi

	return 0
}

# Enable support for Cisco Discovery Protocol (CDP)
LLDPDARGS+="-c"

case "${1}" in
	start)
		# Do nothing if the service is not enabled
		if [ "${CONFIG["ENABLED"]}" != "on" ]; then
			exit 0
		fi

		# Generate the configuration file
		if ! generate_config > /etc/lldpd.d/lldpd.conf; then
			boot_mesg -n "Failed to generate configuration for lldpd" ${WARNING}
			boot_mesg "" ${NORMAL}
			exit 1
		fi

		# Set green address as management address if there is one.
		if [ -n ${GREEN_ADDRESS} ]; then
			LLDPDARGS+=" -m ${GREEN_ADDRESS}"
		fi

		boot_mesg "Starting Link-Layer Discovery Protocol Daemon..."
		loadproc /usr/sbin/lldpd ${LLDPDARGS}
		;;

	stop)
		boot_mesg "Stopping Link-Layer Discovery Protocol Daemon..."
		killproc /usr/sbin/lldpd
		;;

	reload)
		boot_mesg "Reloading Link-Layer Discovery Protocol Daemoon..."
		reloadproc /usr/sbin/lldpd
		;;

	restart)
		${0} stop
		sleep 1
		${0} start
		;;

	status)
		statusproc /usr/sbin/lldpd
		;;

	*)
		echo "Usage: ${0} {start|stop|reload|restart|status}"
		exit 1
		;;
esac