#!/system/bin/sh

#******************************************
# Usage       :awlog [log_string]
# Description :Print the log to the anddroid log system
#              or the shell .
#******************************************
function awlog(){
if [ $# -eq 1 ]
then
    echo $1
    log -t AW-PPPoE $1
fi
}

#******************************************
# Usage       : usage
# Description : Print the usage of the pppoe-connect
#               to the shell .
#******************************************
function usage(){
echo "**********************************************"
echo "Version : 2.0                                 "
echo "Usage   :                                     "
echo "          pppoe-connect [interface] [username]"
echo "**********************************************"
}

###########################################
EXIT_CODE=1
PPPOE_INTERFACE_FILE=/data/misc/pppoe/pppoe-interface
PPPOE_PARM_INTERFACE=`cat $PPPOE_INTERFACE_FILE`
PPPOE_PID_FILE=/data/misc/pppoe/${PPPOE_PARM_INTERFACE}_pppd.pid

LINK_STATE=`cat /sys/class/net/${PPPOE_PARM_INTERFACE}/carrier`
if [ "$LINK_STATE" = "0" ]
    then
       awlog "pppoe link out"
       setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.status" "stopped"
       setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.ppp-exit" "22"
       exit 22
fi

setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.ppp-exit" ""
setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.interface" ""
setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.lcpup" "no"
awlog "Starting pppoe on $PPPOE_PARM_INTERFACE"

# Try to kill the last session , some time it would cause create session failed.
if [ "$PPPOE_PARM_INTERFACE" = "eth0" ]
then
    UINT=0
else
    UINT=1
fi
/system/bin/pppoe plugin-pppoe nic-$PPPOE_PARM_INTERFACE unit $UINT\
         +ua /data/misc/pppoe/pppoe-secrets-$PPPOE_PARM_INTERFACE linkinterface $PPPOE_PARM_INTERFACE call pppoe-options
EXIT_CODE=$?
awlog "pppoe exited with $EXIT_CODE"
rm -f $PPPOE_PID_FILE

awlog "PPPoE exit!"
# Save the exit code
setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.ppp-exit" "$EXIT_CODE"
setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.interface" ""
setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.status" "stopped"

 #set the real reason for pppoe exit
LINK_STATE=`cat /sys/class/net/${PPPOE_PARM_INTERFACE}/carrier`
if [ "$LINK_STATE" = "0" ]
   then
      setprop "net.${PPPOE_PARM_INTERFACE}-pppoe.ppp-exit" "22"
fi