#!/bin/sh
#
# Startup script for dansguardian
#
# processname: dansguardian
# pidfile: /var/run/dansguardian.pid
# config: /etc/dansguardian/dansguardian.conf

# File includes changes by Thomas Jarosch
function wait_for_pid()
{
    local PID=$1
    local RET=0
    
    if [ $PID -eq 0 ] ; then
        return $RET
    fi
    
    # give 60 secs then KILL
    local COUNTDOWN=60

    while [ -d /proc/${PID} ] && [ $COUNTDOWN -gt 0 ] ; do
        sleep 1
        COUNTDOWN=$[$COUNTDOWN-1]
    done

    if [ -d /proc/${PID} ]; then
        COMMAND=`ps h -o command ${PID}`
        logger "dansguardian: timeout waiting for PID ${PID}: ${COMMAND}; sending SIGKILL"
        kill -KILL $PID >/dev/null 2>&1
        RET=1
    fi
    
    return $RET
}

# See how we were called.

case "$1" in
start)
        if [ -f /usr/sbin/dansguardian ] &&
           [ -f /etc/dansguardian/dansguardian.conf ]; then
                echo -n "Starting dansguardian: "
                if /usr/sbin/dansguardian 2> /dev/null; then
                        echo " OK"
                else
                        echo " FAILED"
                fi
        fi
        ;;
stop)
        echo -n "Shutting down dansguardian: "
        WAITPID=0
        if [ -f /var/run/dansguardian.pid ] ; then
            WAITPID=`cat /var/run/dansguardian.pid`
        fi
        if /usr/sbin/dansguardian -q 2> /dev/null; then
                if wait_for_pid $WAITPID ; then
                    echo " OK"
                else
                    echo " FAILED"
                fi
                /bin/rm -f /var/run/dansguardian.pid
                /bin/rm -f /tmp/.dguardianipc
        else
                echo " FAILED"
        fi
        ;;
restart)
        $0 stop
        $0 start
        ;;
status)
        if [ -x /usr/sbin/dansguardian ]; then
                /usr/sbin/dansguardian -s
	else
		echo "Dansguardian is not installed!"
        fi
        ;;
*)
        echo "Usage: $0 {start|stop|restart|status}" >&2
        ;;
esac

exit 0