#!/bin/bash
#
# opensim_robust  (OpenSim Robust Server: Gridmode)
#                                                by Fumi.Iseki
#

PRGFL=/etc/init.d/opensim_robust		#
OPNSM=Robust.exe						# プログラム名
SCRNID=opensim_robust					#
ONFFL=/home/apache/htdocs/on_robust		#
OSDIR=/usr/local/opensim_server 		# OpenSim をインストールしたディレクトリを指定
MONO=/usr/local/bin/mono        		# mono へのパス
PIDFL=/var/run/opensim_robust_check.pid #

SLEEPTM=5                       	# リスタート時のスリープ時間
CHKTM=30                            # 監視間隔 (s)
MEMSHLD=95                          # 再起動する場合のメモリの占有率 %
MAPEXPIRE=14                        # この日以前の maptile を削除

export PATH=/usr/local/bin:$PATH
export MONO_THREADS_PER_CPU=1024
export MONO_DNS=1


start() {
    cd $OSDIR/bin
	find maptiles -type f -mtime +$MAPEXPIRE | xargs /bin/rm > /dev/null 2>&1 
	#
    echo "OpenSim R.O.B.U.S.T. Server Start."
	tmux new -d -s $SCRNID -c $OSDIR/bin "$MONO $OPTION $OPNSM" \; pipe-pane "cat -u|sed -u 's/\[41\;..\?H//g'|sed -u 's/\[42\;..\?H//g'|sed -u 's/R\.O\.B\.U\.S\.T\.# //g'|sed -u 's/^ *//g' >| /tmp/robust.log"
    echo 1 >| $ONFFL
}     


stop() {
    echo 0 >| $ONFFL
	tmux send-keys  -t $SCRNID C-m "quit" C-m
	echo "OpenSim R.O.B.U.S.T. Server Stoped."
}


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


start_check() {
    kill_check
    echo $$ >| $PIDFL
    #
    while [ "" = "" ]; do
        CHECK=`ps aux|grep $OPNSM |grep mono|grep -v $SCRNID`
        if [ "$CHECK" = "" ]; then
            start
        else
            MEMRT=`echo $CHECK | awk -F" " '{print $4}' | awk -F"." '{print $1}'`
            if [ "$MEMRT" -gt "$MEMSHLD" ]; then
                stop
                sleep $CHKTM
                PID=`echo $CHECK | awk -F" " '{print $1}'`
                kill -9 $PID
            fi
		fi
		
        sleep $CHKTM
    done
}



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

exit $?