#!/usr/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/ntp-set-time - set time
#
# Copyright (c) 2003-2004 Albert Steiner <albert.steiner.dw(at)gmx(dot)at>
# Copyright (c) 2005-2024  The Eisfair Team, team(at)eisfair(dot)org
#
# Creation:     2003-12-27 as
# Last Update:  $Id$
#
# 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.
#----------------------------------------------------------------------------

# read eislib
. /var/install/include/eislib

pgmname=`basename $0`
module_name=`basename -s .sh ${pgmname} | cut -d- -f1`

. /etc/config.d/ntp

clrhome

if [ ${NTP_SET_SERVER_N} -eq 0 ]
then
    mecho
    mecho --error "No Server's defined to set the Time ..."
    mecho
    anykey
else
    if /var/install/bin/ask "Set Time via other NTP Server"
    then
        mecho
        /usr/sbin/service stop ${module_name}
        mecho

        sleep 2

        idx=1
        while [ ${idx} -le ${NTP_SET_SERVER_N} ]
        do
            eval server='$NTP_SET_SERVER_'${idx}

            mecho --info "Try to set Time via ${server} ..."

            if [ -f /usr/bin/ntpdig ]
            then
                # -4    - force IPv4 DNS name resolution.
                # -6    - force IPv6 DNS name resolution.
                # -j    - enable output in json format
                # -s    - adjust time by slewing the clock
                # -t NN - number of seconds to wait for responses
                /usr/bin/ntpdig -s -j -t 1 ${server} 2>&1 | sed 's/,ip:/,"ip":/' | jq
            else
                /usr/bin/ntpdate ${server}
            fi

            if [ $? -eq 0 ]
            then
                idx=${NTP_SET_SERVER_N}
            fi
            idx=`expr ${idx} + 1`
        done

        sleep 1
        echo

        /usr/sbin/hwclock -uw

        mecho --info "Hardware Clock Time is now ..."
        hwclock --show --localtime

        mecho --info "Software Clock Time is now ..."
        date

        mecho
        sleep 1

        /usr/sbin/service start ${module_name}
        mecho
        anykey
    fi
fi

exit 0