#!/system/bin/sh
# ../scripts/pppoe-stop.  Generated from pppoe-stop.in by configure.
#***********************************************************************
#
# pppoe-stop
#
# Shell script to bring down a PPPoE connection
#
# Copyright (C) 2000 Roaring Penguin Software Inc.
#
# $Id$
#
# This file may be distributed under the terms of the GNU General
# Public License.
#
# LIC: GPL
#
# Usage: pppoe-stop [config_file]
# If config_file is omitted, defaults to /etc/ppp/pppoe.conf
#
#***********************************************************************

# Set to "C" locale so we can parse messages from commands
LANG=C
export LANG

SETPROP=/system/bin/setprop

ECHO="/system/bin/log -t pppoe_stop"
#ECHO=echo

BUSYBOX=busybox

$ECHO "setprop net.pppoe.status disconnecting"
$SETPROP "net.pppoe.status" "disconnecting"

DEBUG=/data/misc/ppp/debug
ME="`$BUSYBOX basename $0`"
#LOGGER="/usr/bin/logger -t $ME"
CONFIG="$1"
if [ "$CONFIG" = "" ] ; then
    CONFIG=/data/misc/ppp/pppoe.conf
fi

if [ ! -f "$CONFIG" -o ! -r "$CONFIG" ] ; then
    $ECHO "$ME: Cannot read configuration file '$CONFIG'"
    exit 1
fi
export CONFIG
. $CONFIG

PPPOE_PIDFILE="$PIDFILE.pppoe"
PPPD_PIDFILE="$PIDFILE.pppd"
STARTPID="$PIDFILE.start"

# Backward config file compatibility
if test "$DEMAND" = "" ; then
	DEMAND=no
fi

# Ignore SIGTERM
trap "" 15

# Check for pidfile
if [ -r "$PIDFILE" ] ; then
    PID=`cat $PIDFILE`

    # Check if still running
    kill -0 $PID > /dev/null 2>&1
    if [ $? != 0 ] ; then
	$ECHO "$ME: The pppoe-connect script (PID $PID) appears to have died"
    fi

    # Kill pppd, which should in turn kill pppoe
    if [ -r "$PPPD_PIDFILE" ] ; then
	PPPD_PID=`cat "$PPPD_PIDFILE"`
#	$LOGGER -p daemon.notice "Killing pppd"
	$ECHO "Killing pppd ($PPPD_PID)" >> $DEBUG
	kill $PPPD_PID > /dev/null 2>&1 #|| exit 1
    fi

    # Kill pppoe-start
    PIDS=`cat $STARTPID`
    kill -0 $PIDS > /dev/null 2>&1
    if [ $? = 0 ] ; then
#	$LOGGER -p daemon.notice "Killing pppoe-connect"
	kill $PIDS > /dev/null 2>&1
    fi

    # Kill pppoe-connect
#    $LOGGER -p daemon.notice "Killing pppoe-connect"
    $ECHO "Killing pppoe-connect ($PID)" >> $DEBUG
    kill -9 $PID > /dev/null 2>&1

	# wait pppd killed
	sleep_time_count=0;
	sleep_time=100000;
	timeout=10; # 0.1*10=1s
	result=0;
	TMPPIDFILE=/data/misc/ppp/pppd_stoped.pid
	PPPD_PID=`cat "$PPPD_PIDFILE"`
	while [ true ] ; do
	     ps $PPPD_PID | grep -w pppd | $BUSYBOX awk '{print $2}' > $TMPPIDFILE
	     result=`$BUSYBOX egrep -c "^[0-9]*$" $TMPPIDFILE`
		 #$ECHO "check if pppd killed sleep_time_count=$sleep_time_count"
	     if [ $result -ge 1  ] ; then
		    if [ $sleep_time_count -eq $timeout ] ; then
		        $ECHO "wait pppd killed timeout"
		        break
		    fi
		    $BUSYBOX usleep $sleep_time
		    sleep_time_count=`$BUSYBOX expr $sleep_time_count + 1`
	     else
		    $ECHO "wait pppd killed success"
		    break
	     fi
	done

    # Kill pppd again, in case it's still hanging around
    if [ -r "$PPPD_PIDFILE" ] ; then
	PPPD_PID=`cat "$PPPD_PIDFILE"`
	kill -9 $PPPD_PID > /dev/null 2>&1 # || exit 1
    fi

    $BUSYBOX rm -f "$PIDFILE" "$PPPD_PIDFILE" "$PPPOE_PIDFILE" "$STARTPID"
else
    $ECHO "$ME: No PPPoE connection appears to be running"
    exit 1
fi
#  $ECHO "restore gw"
#DEFAULT_GW="/data/misc/ppp/default_gw"
#  cat $DEFAULT_GW|while read line
#    do
#      t1=`echo "$line" | $BUSYBOX awk  '{print $1}'`
#      if [ $t1 = "default" ] ; then
#          t2=`echo "$line" | $BUSYBOX awk  '{print $2}'`
#          t5=`echo "$line" | $BUSYBOX awk  '{print $5}'`
#          $ECHO "restore gw:$t2"
#          $BUSYBOX route add default gw $t2
#      fi
#    done

$ECHO "setprop net.pppoe.status disconnected"
$SETPROP "net.pppoe.status" "disconnected"

exit 0