#!/bin/bash
# $Id: fctStopAdsl,v 1.12 2005/03/28 21:41:39 Tux Exp $

# Copyright (C) 2003-2005 Olivier Borowski
#
# 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.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

# Goal :
#	stop ADSL connexion (do not display anything)
# Params :
#	h = display help
#	f = kill pppd even if PPPOX=none
#	s = simple mode (don't use ifup & ifdown scripts => do not requiere ifcfg-ethX)

if [ 0 -eq 1 ] ; then
	# when called from sources folder (when uninstalling)
	USE_IFUPDOWN=0
	PPPOX="pppoa"
	DELAY_KILL_PPPD=3
else
	# when called from /usr/local/sbin
	. /etc/eagle-usb/setvars
fi

set -- "${@//#--help/-h}"
set -- "${@//#--force/-f}"
set -- "${@//#--simple/-s}"
evalParams() {
	while getopts "hfs" opt; do
		case $opt in
			h  ) doInUtf8 echo -e $FCTSTOP_USAGE_MSG ; exit 0 ;;
			f  ) KILLPPP=1 ;;
			s  ) SIMPLE=1 ;;
			\? ) doInUtf8 echo -e $FCTSTOP_USAGE_MSG ; exit 1 ;;
		esac
	done
}
if [ "$PPPOX" != "none" ] ; then
	KILLPPP=1
else
	KILLPPP=0
fi
evalParams "$@"


if [ $KILLPPP -eq 1 ] ; then
	# kill pppd (let Nsec after killall to stop properly)
	if [ ! -z "`pidof pppd`" ] ; then
		killall -q pppd
		sleep $DELAY_KILL_PPPD
		if [ ! -z "`pidof pppd`" ] ; then
			logger "fctStopAdsl send -9 signal to kill pppd..."
			sleep 2
			killall -9 -q pppd
		fi
	fi
fi

# if the modem is still plugged, modem interface is putted down
# if the modem is unplugged, hotplug should already have done that => do nothing
INTERFACE=`eaglectrl -i 2>/dev/null`
if [ $? -eq 0 ] ; then
	if [ $USE_IFUPDOWN -eq 1 ] && [ $SIMPLE -eq 0 ] ; then
		# redirect errors to /dev/null to hide "RTNETLINK answers: No such device or address"
		ifdown $INTERFACE 2>/dev/null
	else
		ifconfig $INTERFACE down
	fi
fi

#***************************************************************************
# $Log: fctStopAdsl,v $
# Revision 1.12  2005/03/28 21:41:39  Tux
# - translate remaining french sentence to english
#
# Revision 1.11  2005/01/16 22:04:34  Tux
# - add license header
#
# Revision 1.10  2005/01/04 21:14:05  Tux
# - switch strings to utf-8
#
# Revision 1.9  2004/11/21 15:29:41  Tux
# - replaced == with -eq
#
# Revision 1.8  2004/09/28 10:11:35  mcoolive
# - (POSIX) commands are typed "int main..." => replace "$? ==" by "$? -eq"
#
# Revision 1.7  2004/09/14 20:44:07  Tux
# - hide ifdown errors (prevent messages such as "RTNETLINK answers...")
#
# Revision 1.6  2004/08/14 18:00:53  mcoolive
# - mend the parameters processing
#
# Revision 1.5  2004/07/16 21:09:19  Tux
# - simplify parameters processing
#
# Revision 1.4  2004/04/21 20:02:27  Tux
# *** empty log message ***
#
#***************************************************************************/