#!/bin/bash

### BEGIN INIT INFO
# Provides:          minecraft
# Required-Start:    $network $remote_fs $syslog
# Required-Stop:     $network $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Minecraft server
### END INIT INFO

. /lib/lsb/init-functions

test $DEBIAN_SCRIPT_DEBUG && set -v -x

NAME="minecraft"
DESC="Minecraft server craftbukkit 1.3.1"

JAVA=`which java`
SERVER_DIR="/home/hosiplan/minecraft"
SERVER="$SERVER_DIR/craftbukkit-1.3.1-R2.0.jar"
JAVA_OPTS="-Xmx2048M -Xms2048M"
DAEMON_OPTS=" $JAVA_OPTS -jar $SERVER"
PIDFILE="/var/run/$NAME.pid"

test -e $SERVER || exit 0
test -x $JAVA || exit 0


start_minecraft () {
    STATUS=0

    # Check to see if it's already started...
    if test -e /var/run/$NAME.pid ; then
        log_failure_msg "Already running (PID file exists)"
    else
        start-stop-daemon --start --background --quiet \
            --make-pidfile --pidfile $PIDFILE --chdir $SERVER_DIR \
            --exec $JAVA -- $DAEMON_OPTS || STATUS=1
    fi

    log_end_msg $STATUS
}

stop_minecraft () {
    STATUS=0

    if test -s "$PIDFILE" ; then
        start-stop-daemon --stop --quiet --pidfile $PIDFILE || STATUS=1
        rm -f $PIDFILE
    else
        log_warning_msg "  $NAME is not running."
    fi

    log_end_msg $STATUS
}

case "$1" in
    start)
        log_action_begin_msg "Starting $DESC"
        start_minecraft

        exit ${STATUS:-0}
    ;;
    stop)
        log_action_begin_msg "Stopping $DESC"
        stop_minecraft

        exit ${STATUS:-0}
    ;;
    restart)
        log_action_begin_msg "Restarting $DESC"

        stop_minecraft
        sleep 1
        start_minecraft

        exit ${STATUS:-0}
    ;;
    status)
        STATUS=0
        status_of_proc -p $PIDFILE $NAME "$DESC" || STATUS=1
        exit $STATUS
    ;;
    *)
        echo "Usage: $0 {start|stop|restart|status}" >&2
        exit 1
    ;;
esac

exit 0