#!/bin/bash
#
# yanhe-fuint
#
# chkconfig:   2345 80 20
# description: Starts and stops a single elasticsearch instance on this system
#

### BEGIN INIT INFO
# Provides: yanhe-fuint
# Required-Start: $network $named
# Required-Stop: $network $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
### END INIT INFO

# Source function library.
if [ -f /etc/rc.d/init.d/functions ]; then
    . /etc/rc.d/init.d/functions
fi

# Sets the default values for yanhe-fuint variables used in this script
FUINT_HOME="/opt/yanhe/fuint-server/target/"
LOG_DIR="/var/log/"
PID_DIR="/var/run/"

prog="fuint-server"
pidfile="$PID_DIR/${prog}.pid"

export FUINT_JAVA_OPTS
export JAVA_HOME

lockfile=/var/lock/subsys/$prog

checkJava() {
    if [ -x "$JAVA_HOME/bin/java" ]; then
        JAVA="$JAVA_HOME/bin/java"
    else
        JAVA=`which java`
    fi

    if [ ! -x "$JAVA" ]; then
        echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
        exit 1
    fi
}

start() {
    checkJava
    # Ensure that the PID_DIR exists (it is cleaned at OS startup time)
    if [ -n "$PID_DIR" ] && [ ! -e "$PID_DIR" ]; then
        mkdir -p "$PID_DIR" 
    fi
    if [ -n "$pidfile" ] && [ ! -e "$pidfile" ]; then
        touch "$pidfile"
    fi

    cd $FUINT_HOME
    echo -n $"Starting $prog: "
    # if not running, start it up here, usually something like "daemon $exec"
    java -Dfile.encoding=UTF-8 -Xmx2048m -Xms2048m -Xss256k -Xmn1024m -jar fuint-application.jar >> $LOG_DIR/yanhe-fuint.log
    echo $! > $pidfile
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}

stop() {
    echo -n $"Stopping $prog: "
    # stop it here, often "killproc $prog"
    killproc -p $pidfile -d 86400 $prog
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

restart() {
    stop
    start
}

reload() {
    restart
}

force_reload() {
    restart
}

rh_status() {
    # run checks to determine if the service is running or use generic status
    status -p $pidfile $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}


case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
        exit 2
esac
exit $?