#!/bin/sh

#   Installation instructions for Systems V
#
#   copy the above script to /etc/rc.d/init.d 
#   link it to a start and a stop file in each of the rc?.d directory
#   appropriate for the run level for which you wish the engine to be
#   started, eg 
#   
#   $ ln -s /etc/rc.d/init.d/informix /etc/rc.d/rc3.d/S99informix
#   $ ln -s /etc/rc.d/init.d/informix /etc/rc.d/rc0.d/K01informix
#   $ ln -s /etc/rc.d/init.d/informix /etc/rc.d/rc6.d/K01informix
#
#   Note: The following 2 lines below were added for Redhat Linux
#   pschmidt 8/8/99
#   touch /var/lock/subsys/informix   # Note: This line important for Linux
#   rm -f /var/lock/subsys/informix   # Note: This line important for Linux

export INFORMIXDIR=/u/informix7.30
export INFORMIXSERVER=vadv_shm
export ONCONFIG=onconfig.vadv

if [ $# -lt 1 ]
then
    echo "Usage: $0 {start|stop}"
else
 case "$1" in

 'start_msg') echo "The Informix Online Engine is starting up..." ;;

 'stop_msg') echo "The Informix Online Engine is shutting down..." ;;

 'start')
     if [ `$INFORMIXDIR/bin/onstat 2>&- | grep -c "not initialized"` -ne 0 ]
     then
         /home/informix/bin/rotate_informix_logs.sh
         /home/informix/bin/rotate_informix_logical.sh

         echo -n "Starting up the Informix Online Engine... "
         $INFORMIXDIR/bin/oninit
         
         cnt=60             # Give informix 60 seconds to come online before giving up
         flag_online=false
         while [ $cnt -gt 0 ]
         do
             if [ `$INFORMIXDIR/bin/onstat 2>&- | grep -c "not initialized"` -eq 0 ]
             then
                flag_online=true
                break
             fi
             cnt=`expr $cnt - 1`        # Decrement cnt
			sleep 1
         done

         if [ $flag_online = true ]
         then
             $INFORMIXDIR/bin/onstat -
             /home/informix/bin/start_logging.sh &
             touch /var/lock/subsys/informix   # Note: This line important for Linux
             echo "done"
         else
             echo "Warning: the Informix Online Engine did NOT start successfully!"
         fi
     fi
     ;;

 'stop')
     if [ `$INFORMIXDIR/bin/onstat 2>&- | grep -c "not initialized"` -eq 0 ]
     then
         /home/informix/bin/stop_logging.sh
         echo -n "Shutting down the Informix Online Engine... "
         $INFORMIXDIR/bin/onmode -ky

         cnt=60             # Give informix 60 seconds to come offline before giving up
         flag_online=true
         while [ $cnt -gt 0 ]
         do
             if [ `$INFORMIXDIR/bin/onstat 2>&- | grep -c "not initialized"` -ne 0 ]
             then
                flag_online=false
                break
             fi
             cnt=`expr $cnt - 1`        # Decrement cnt
			 sleep 1
         done

         if [ $flag_online = true ]
         then
             echo "Warning: the Informix Online Engine did NOT go offline successfully!"
         else
             echo "done"
         fi
         rm -f /var/lock/subsys/informix   # Note: This line important for Linux
     fi
     ;;
 *)
     echo "Usage: $0 {start|stop}"
     ;;
 esac
fi