#!/bin/sh
#
# Startup script for NiceShaper - Dynamic Traffic Shaper
#
# Usage: ./rc.niceshaper {start|stop|restart|status}

PRGNAM=niceshaper
PRGDIR=/usr/sbin/
PIDDIR=/var/run/
RETVAL=0

prg_start() {
    echo -n "Starting $PRGNAM ... "
    if [ -r ${PIDDIR}${PRGNAM}.pid ]; then
        if $(! /sbin/pidof $PRGNAM > /dev/null 2>&1 ) ; then
            echo -n "removing an old ${PIDDIR}${PRGNAM}.pid ... "
            rm -f ${PIDDIR}${PRGNAM}.pid
        fi
    fi
    ${PRGDIR}${PRGNAM} start > /dev/null 2>&1
    RETVAL=$?

    if [ $RETVAL -eq 0 ]; then
        touch /var/lock/$PRGNAM
        sleep 2
        echo "done"
    else
        echo "failed"
    fi
    return $RETVAL
}

prg_stop() {
    echo -n "Stopping $PRGNAM ... "
    if [ -r ${PIDDIR}${PRGNAM}.pid ]; then
        ${PRGDIR}${PRGNAM} stop > /dev/null 2>&1
        # Give it some time to die gracefully
        for second in 0 1 2 3 4 5 6 7 8 9 10 ; do
            if $(! /sbin/pidof $PRGNAM > /dev/null 2>&1 ) ; then
                rm -f ${PIDDIR}${PRGNAM}.pid
                break;
            fi
            sleep 1
        done

        if [ "$second" = "10" ]; then
            echo "\nWARNING: $PRGNAM did not exit!"
            sleep 10
        else
            echo "done"
        fi
    fi
    rm -f /var/lock/$PRGNAM
    return $RETVAL
}

prg_status() {
    if [ -e ${PIDDIR}${PRGNAM}.pid ]; then
        echo "$PRGNAM (pid $(cat ${PIDDIR}${PRGNAM}.pid)) is running..."
    else
        echo "$PRGNAM is stopped..."
        RETVAL=1
    fi
}

# How were we called:
case "$1" in
    start)
        prg_start
        ;;
    stop)
        prg_stop
        ;;
    restart|reload)
        prg_stop
        # Wait a few seconds before restarting
        sleep 1
        prg_start
        ;;
    status)
        prg_status
        ;;
    *)
        echo "Usage: $(basename $0) {start|stop|restart|status}"
        RETVAL=1
esac

exit $RETVAL
# EOF