#!/bin/bash
### BEGIN INIT INFO
# Provides: Watcher service (SysV-style)
# Required-Start: $iptables
# Required-Stop:
# Default-Start:  2 3 5
# Default-Stop:   0 1 2 6
# Description:    Start watcher service (SysV-style)
### END INIT INFO

#----- Positioning ------
REALPATH=`realpath $0`
WHERE=`dirname $REALPATH`
ME=`basename $REALPATH`
cd $WHERE
#------------------------
. system.conf
. watcher.conf

SERVICE=watcher
# Where did the installtion put me ...
MASTER_PATH=$WHERE

do_start() {
local funtag="[${FUNCNAME[0]}]"
        echo "$funtag Starting service $SERVICE with kernel firewall '$FIREWALL' ... "
	cd $MASTER_PATH && ./$SERVICE
        echo "[OK]"
}

do_stop() {
local funtag="[${FUNCNAME[0]}]"
local	rd_device=`df | grep ramdisk| grep Watcher| awk '{print $1}'`

	echo "$funtag Shutting down service $SERVICE ... "
	for mod in `echo $MASTER_PATH/modules/*`
	do
		MODNAME=`basename $mod`
		echo "$SERVICE: Shutting down module $MODNAME ..."
		killall -TERM $MODNAME >/dev/null 2>&1
	done

	if [ ! -z "$USE_RAMDISK" ]
	then
		if df | grep $rd_device >/dev/null 2>&1
		then	echo "Un-mounting RAMdisk $rd_device ..."
			umount $rd_device
			sleep 1
		fi
	fi

        echo "[OK]"
}

case "$1" in
    start)	do_start
    ;;
    stop)	do_stop
    ;;
    restart)	do_stop  && do_start
    ;;
    reload)	echo "... Restarting firewall service '$FIREWALL'..."
		case $FIREWALL in
			iptables)	service $IPTABLES_SERVICE stop
					ipset destroy
					service $IPTABLES_SERVICE start
			;;
			nftables)	service nftables restart
			;;
			firewalld)	service firewalld restart
			;;
			*)		echo "No firewall is configured. Run '.Prep' in $MASTER_PATH"
		;;
		esac

		ipset flush
    		echo "... Restarting watcher service ..."
    		do_stop  && do_start
    ;;
    *)		 echo "Usage: $SERVICE { start | stop | restart | reload }"
;;
esac

exit 0