#!/usr/bin/sh
#----------------------------------------------------------------------------
# /usr/libexec/dhcp/dhcpd - script for dhcp server
#
# Creation:     2002-12-25 od
# Last Update:  $Id$
#
# Copyright (c) 2018-@@YEAR@@ the eisfair team, team(at)eisfair(dot)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 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

NAME=dhcpd
DAEMON=/usr/sbin/dhcpd
PIDFILE_dhcpd=/run/dhcpd.pid

# include eislib
#. /var/install/include/eislib
#. /etc/init.d/functions

# include configuration
. /etc/config.d/dhcpd
[ -e /etc/config.d/dhcpd_debug ] && . /etc/config.d/dhcpd_debug

# ---------------------------------------------------------------------------
# stop
# ---------------------------------------------------------------------------
stop_dhcpd()
{
    killproc -p ${PIDFILE_dhcpd} ${DAEMON}
}

# ---------------------------------------------------------------------------
# start
# ---------------------------------------------------------------------------
start_dhcpd()
{

#    /var/install/config.d/dhcpd.sh ${dhcpd_v} --quiet --createconf
#    sleep 3

    dhcpd_interface="$(sed -ne 's/^# dhcpd-interfaces \(.*\);$/\1/p' /etc/dhcpd.conf)"

    if [ -z "${dhcpd_interface}" ]
    then
        echo "No interfaces defined for dhcpd service!"
        return 1
    fi

    debug_daemon=
    [ "${DHCPD_DEBUG_DEAMON_TRACE:-no}" = "yes" ] && debug_daemon="-tf /var/log/dhcpd.trc"
#    loadproc -p ${PIDFILE_dhcpd} ${DAEMON}          \
    ${DAEMON} -pf ${PIDFILE_dhcpd}                   \
              ${dhcpd_v}                            \
              -cf /etc/dhcpd.conf                   \
              -lf /var/lib/dhcp/dhcpd.leases        \
              $debug_daemon                         \
              $dhcpd_interface  &> /var/log/rc.dhcpd.log
}

# ---------------------------------------------------------------------------
# status
# ---------------------------------------------------------------------------
status_dhcpd()
{
    statusproc -p ${PIDFILE_dhcpd} ${DAEMON}
}

# ---------------------------------------------------------------------------
# reload
# ---------------------------------------------------------------------------
reload_dhcpd()
{

    killproc -p ${PIDFILE_dhcpd} ${DAEMON}

#    /var/install/config.d/dhcpd.sh --quiet

    dhcpd_interface="$(sed -ne 's/^# dhcpd-interfaces \(.*\);$/\1/p' /etc/dhcpd.conf)"

    #loadproc -p ${PIDFILE_dhcpd}
    ${DAEMON} -pf ${PIDFILE_dhcpd}         \
              ${dhcpd_v}                            \
              -cf /etc/dhcpd.conf                   \
              -lf /var/lib/dhcp/dhcpd.leases        \
              ${dhcpd_interface}
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

    dhcpd_v=''

    while [ ${#} -gt 0 ]
    do
        case ${1} in
        -4)
            dhcpd_v='-4'
            shift
            ;;
        *)
            action="${1}"
            shift
            ;;
        esac
    done


    case "${action}" in
    start)
#        # write new dhcpd.conf during system boot
#        if basename $0 | grep -qE "^S[0-9][0-9]"
#        then
#            /var/install/config.d/dhcpd.sh --quiet
#        fi

        start_dhcpd
        ;;
    stop)
        stop_dhcpd
        ;;
#    status)
#         status_dhcpd
#        ;;
#    restart)
#        stop_dhcpd
#        start_dhcpd
#        ;;
    reload)
        reload_dhcpd
        ;;
#    *)
#        echo "Usage: $0 {start|stop|restart|reload|status}"
#        ;;
    esac

# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------