#!/bin/sh
#
# atm.init
#
#       Bring up/down Classical IP over ATM using SVCs and signalling
#

# Notes:
# You must be superuser to execute this script.
# Run this script first on the host that is the arp server, then the others.
# In our case, atm is the arp server.
# mtu is set to 2000

# Edit for your configuration
#NET_IPADDR="130.127.201.0"
#IPADDR_ATM="130.127.201.24"
#IPADDR_CHA="130.127.201.25"
#IPADDR_ARP="130.127.201.3"

NET_IPADDR="130.127.201.0"
#IPADDR_ATM="192.168.1.2"
IPADDR_ATM="130.127.201.24"
IPADDR_CHA="192.168.1.3"
IPADDR_ARP="130.127.201.3"

ATMADDR_ARP="47.02.03.04.05.06.07.08.09.00.00.01.01.11.11.11.11.11.11.11"
ATMADDR_CHA="47.0203.04050607080900000104.0004AC6C8AD6.00"
ATMADDR_ATM="47.0203.04050607080900000104.0004AC6C28F1.00"
#LOGPATH="/var/adm/atm"
LOGPATH="."
MTU=2000

if [ "$#" -lt 1 ]
then
  echo "Usage: atm.init <start | stop> [-d]"
  exit 1
fi

if [ "$#" -eq 2 ]
then
  if [ "$2" = "-d" -o "$2" = "d" ]
  then
    debug="true"
  else
    echo "Unrecognized option: $2"
    echo "Usage: atm.init <start | stop> [-d]"
    echo "Use -d option to turn on debugging logs"
    exit 2
  fi
else
  debug="false"
fi


case "$1" in

  start)

    echo "Starting signalization daemon"
    if [ $debug = "true" ]
    then
      if [ -f $LOGPATH/logsig ]
      then
        /bin/mv $LOGPATH/logsig $LOGPATH/logsig.old
      fi
      /usr/local/sbin/atmsigd -b -d -l $LOGPATH/logsig
    else
      /usr/local/sbin/atmsigd -b
    fi

    sleep 2

    echo "Starting ilmi daemon"
    if [ $debug = "true" ]
    then
      if [ -f $LOGPATH/logilmi ]
      then
        /bin/mv $LOGPATH/logilmi $LOGPATH/logilmi.old
      fi
      /usr/local/sbin/ilmid -b -d -v -l $LOGPATH/logilmi
    else
      /usr/local/sbin/ilmid -b
    fi

    sleep 2

    echo "Starting atmarp daemon"
    if [ $debug = "true" ]
    then
      if [ -f $LOGPATH/logarp ]
      then
        /bin/mv $LOGPATH/logarp $LOGPATH/logarp.old
      fi
      /usr/local/sbin/atmarpd -b -d -l $LOGPATH/logarp -m -n
    else
      /usr/local/sbin/atmarpd -b
    fi

    sleep 3

    echo "Creating atm interfaces"
    /usr/local/sbin/atmarp -c atm0

    if [ "`hostname -s`" = "atm" ]
    then

      echo "Configuring atm interface"
      /sbin/ifconfig atm0 $IPADDR_ATM up mtu $MTU netmask 255.255.255.0

      echo "Adding routes"
      /sbin/route add -net $NET_IPADDR netmask 255.255.255.128 dev atm0
#     /sbin/route add -net 130.127.28.0 gw 130.127.201.3 netmask 255.255.255.0 dev atm0
#     /sbin/route add -net 130.127.4.0  gw 130.127.201.3 netmask 255.255.255.0 dev atm0

      echo "Create an ATMARP server entry"
      /usr/local/sbin/atmarp -s $IPADDR_ARP $ATMADDR_ARP arpsrv

    else # host is chattooga

      echo "Configuring atm interface"
      /sbin/ifconfig atm0 $IPADDR_CHA mtu $MTU netmask 255.255.255.0

      echo "Adding routes"
      /sbin/route add -net $NET_IPADDR netmask 255.255.255.128 dev atm0
      /sbin/route add -net 130.127.28.0 gw 130.127.201.3 netmask 255.255.255.0 dev atm0
      /sbin/route add -net 130.127.4.0  gw 130.127.201.3 netmask 255.255.255.0 dev atm0

      echo "Create an ATMARP server entry"

      /usr/local/sbin/atmarp -s $IPADDR_ARP $ATMADDR_ARP arpsrv

    fi

    # The following line was recommended but does not seem to make a difference
    /usr/local/sbin/atmarp -q $NET_IPADDR ubr:sdu=$MTU

    ;;

  stop)

    echo "Shutting down interfaces"
    for Itf in `/sbin/ifconfig | grep atm | awk '{print $1}'`
    do
	/sbin/ifconfig $Itf down
    done

    # Stopping atmarp daemon

    atid=`ps -ax | grep /usr/local/sbin/atmarpd | grep -v grep | awk '{print $1}'`

    echo "Checking for atmarpd..."
    if [ "$atid" ]
    then
        echo "Stopping atmarpd..."
	kill -9 $atid
        echo "done"
    fi

    # Stopping signalisation daemon

    sigid=`ps -ax | grep /usr/local/sbin/atmsigd | grep -v grep | awk '{print $1}'`

    echo "Checking for atmsigd..."
    if [ "$sigid" ]
    then
        echo "Stopping atmsigd..."
	kill -9 $sigid
        echo "done"
    fi

    # Stopping ilmi daemon

    ilid=`ps -ax | grep /usr/local/sbin/ilmid | grep -v grep | awk '{print $1}'`

    echo "Checking for ilmid..."
    if [ "$ilid" ]
    then
        echo "Stopping ilmid..."
	kill -9 $ilid
        echo "done"
    fi
    ;;

  *)

    echo "Usage: atm.init { start | stop } [-d]"
    ;;

esac