#! /bin/bash

### BEGIN INIT INFO
# Provides:          xvfb-server
# Required-Start:    $local_fs $remote_fs $network $named $time
# Required-Stop:     $local_fs $remote_fs $network $named $time
# Should-Start:      $syslog
# Should-Stop:       $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Starts xvfb server for testing
# Description:       xvfb server for functional testing
### END INIT INFO

. /lib/lsb/init-functions

PIDFILE=/opt/xserver/xserver.pid
DISPLAY=:1.0

pidof_server() {
    if [ -e "$PIDFILE" ]; then
        if pidof Xvfb | tr ' ' '\n' | grep -w $(cat $PIDFILE); then
            return 0
        fi
    fi
    return 1
}


case $1 in
    start)
        Xvfb $DISPLAY -screen scrn 1024x768x24 &
        disown
        echo $! > $PIDFILE
    ;;
    stop)
        SELPID=`cat $PIDFILE` && kill $SELPID 
    ;;
    status)
        PID=$(pidof_server) || true
        if [ -n "$PID" ]; then
            echo "Xvfb is running (pid $PID)."
            exit 0
        else
            echo "Xvfb is NOT running."
            exit 1
        fi
    ;;
    *)
        echo "Usage: xvfb-server.sh {start|stop|status}"
        exit 1
    ;;
esac