#!/bin/bash
#
# osgird
#
# chkconfig: 2345 80 30
# description: osgrid start/stop script

# Source function library.
. /lib/lsb/init-functions

OSGRID=osgrid

OSDIR=/home/osgrid/opensim/bin
PRGFL=/etc/init.d/$OSGRID
SLEEPTM=90
CHKTM=30
export MONO_THREADS_PER_CPU=512
ulimit -s 262144

SCRNID=$OSGRID
PIDFL=/var/run/opensim_region_shell$OSGRID.pid

USER=osgrid
EXEFILE=/tmp/tmp$OSGRID.sh


start() {

    echo \#\!/bin/bash > $EXEFILE
    echo export MONO_THREADS_PER_CPU=512 >> $EXEFILE
    echo ulimit -s 262144 >> $EXEFILE
    echo cd $OSDIR >> $EXEFILE
    echo screen -S $OSGRID -d -m mono $OSDIR/OpenSim.exe >> $EXEFILE
    chmod +x $EXEFILE

    #EXEFILE=""
    #EXEFILE=$OSDIR/bin/osgrid1_exec.sh
    su $USER -c $EXEFILE
    echo "OpenSim Region Server Start."
    sleep 5

    #make pid-file
    #ps afxu | grep mono |grep -w $OSGRID | awk {'print $2'} > $PIDFL

    #rm -f $EXEFILE
}


stop() {
    su $USER -c "screen -S $SCRNID -p 0 -X stuff $'quit\n' 1> /dev/null 2>&1"
    echo "OpenSim Region Server Stoped."
}


kill_loop() {
    PID=`cat $PIDFL 2> /dev/null`
    if [ "$PID" != "" ]; then
       kill -9 $PID 2> /dev/null
       rm -f $PIDFL
    fi
}


loop_check() {
    kill_loop
    echo $$ >| $PIDFL
    while [ "" = "" ]; do
        sleep $CHKTM
        CHECK=`ps ax|grep SCREEN |grep $SCRNID`
        if [ "$CHECK" = "" ]; then
            start
        fi
    done
}


case "$1" in
  start)
    start
    #/bin/bash $PRGFL check &
    ;;
  stop)
    kill_loop
    stop
    ;;
  restart|reload)
    kill_loop
    stop
    sleep $SLEEPTM
    start
    #/bin/bash $PRGFL check &
    ;;
  *)
    echo $"Usage: $0 {start|stop|restart}"
    exit 1
esac

exit $?