frfra

#! /bin/bash
#
# chkconfig: 345 85 15
# description: Controls Pen loadbalancer backend server as a Linux service.
#
# penlbb         penlbb initscript
#
# Author:      mohamad zeinali <mohammad.zeinali@gmail.com>
#

RETVAL=0
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="Frfra Head server"
NAME=frfra
APP_HOME="/opt/Frfra"
DAEMON="$APP_HOME/$NAME.run"
DAEMON_SHUTDOWN="$APP_HOME/$NAME-shutdown.sh"
SHUTDOWN_WAIT=-1
PID_FILE="/var/run/$NAME/$NAME.pid"
EFFECTIVE_USER="root"
CONSOLE_LOG="$APP_HOME/log/console"
# Gracefully exit if the package has been removed.
[ -r $DAEMON ] || exit 0

if [ ! -r /var/run/$NAME ]
then
	mkdir /var/run/$NAME
fi

if [ ! -r $PENLBB_HOME/log/ ]
then
	mkdir $PENLBB_HOME/log/
fi

# Read config file if it is present.
if [ -r /etc/default/$NAME ]
then
    . /etc/default/$NAME
fi

#
#    Function that starts the daemon/service.
#
d_start() {
    if [ -f $PID_FILE ]; then
        APPPID=`cat $PID_FILE`
        APPRUNNING=`ps -fp $APPPID | grep $APPPID`
	if [ "$APPRUNNING" != "" ]; then
            echo "Can't start penlbb; already active (PID $APPPID)..."
            return 0
        else
            echo "Can't start penlbb; not active, but PID file ($PID_FILE) has not been deleted."
            return 1
        fi
    else
	touch $PID_FILE
    fi
    
    if [ -r "$CONSOLE_LOG.log" ]
    then
    	mv "$CONSOLE_LOG.log" "$CONSOLE_LOG"_`date -u | sed "s/\s/_/g"`.log
    fi
    
    cd $PENLBB_HOME
    
    #export LD_LIBRARY_PATH=$PENLBB_HOME/

    su -c "$APP_HOME/$DAEMON > $APP_HOME/log/console.log 2>&1 & /bin/echo \$! > $PID_FILE" $EFFECTIVE_USER
    RETVAL=$?
    echo
    return $RETVAL
}

#
#    Function that stops the daemon/service.
#
d_stop() {
   [ -r $PID_FILE ] || echo "already stoped ..."
   [ -r $PID_FILE ] ||	return 0
    #$DAEMON_SHUTDOWN
    let kwait=$SHUTDOWN_WAIT
    count=0;
    kpid=`cat $PID_FILE`
    until [ `ps -p $kpid | grep -c $kpid` = '0' ] || [ $count -gt $kwait ]
    do
    	echo -n -e "\nwaiting for processes to exit";
	sleep 1
	let count=$count+1;
    done
    if [ -n $kpid ]; then
	echo -n -e "\nkilling processes $kpid ..."
	kill $kpid
    fi

    rm $PID_FILE
    return 0
}

case "$1" in
  start)
    echo -n "Starting $DESC: $NAME"
    echo
    d_start
    echo "."
    ;;
  stop)
    echo -n "Stopping $DESC: $NAME"
    echo
    d_stop
    echo "."
    ;;
  restart|force-reload)
    echo -n "Restarting $DESC: $NAME"
    echo
    d_stop
    sleep 1
    d_start
    echo "."
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
    exit 1
    ;;
esac

exit 0