#!/bin/sh

CONF=/etc/persistent/ucarp.conf
MODE="$1"

if [ "${MODE}" = "stop" ]
then
    echo "Killing them all and letting init sort them out"
    killall ucarp
    exit 0
fi

if [ -f "${CONF}" ]
then
   
   if [ "${MODE}" = "test" ]
   then
       daemon=""
   else
       echo "Starting UCARP using ${CONF} as a daemon, use test parameter to run in foreground"
       daemon="--daemonize"
   fi

   . ${CONF}
   
   cat > /var/run/ucarp-vip-up <<EOF
#!/bin/sh

/bin/ip addr add ${VIP}/${VMASK} dev ${IF}

EOF
   for ip in ${PINGIP}
   do
	cat >> /var/run/ucarp-vip-up <<EOF
${arping}/bin/arping -c 2 -I ${IF} -s ${VIP} ${ip}
EOF
   done


   chmod a+x /var/run/ucarp-vip-up

   cat > /var/run/ucarp-vip-down <<EOF
#!/bin/sh

/bin/ip addr del ${VIP}/${VMASK} dev ${IF}

EOF
   chmod a+x /var/run/ucarp-vip-down

   /sbin/ucarp --interface=${IF} --srcip=${MYIP} --vhid=1 --pass=${PASSWORD} \
         --addr=${VIP} --nomcast $daemon \
         --upscript=/var/run/ucarp-vip-up --downscript=/var/run/ucarp-vip-down

   if [ "${MODE}" = "test" ]
   then
       echo "UCARP has exited."
   else
       echo "UCARP has been started."
   fi

else 
   echo "UCARP is not enabled"
   exit 0
fi