#! /bin/sh
#
# tux        This starts and stops the TUX kernel-based http server.
#
# chkconfig: - 50 50
# description: The TUX threaded kernel-based http server
#
# processname: /usr/sbin/tux
# config: /etc/sysconfig/tux
# config: /etc/sysctl.tux


# Source function library.
. /etc/rc.d/init.d/functions

# Set defaults
NRCPUS=$(cat /proc/cpuinfo | grep '^processor[	 0-9]*:' | wc -l)
TUXTHREADS=$NRCPUS
EXTRAOPTS=

# Get config.
. /etc/sysconfig/network
. /etc/sysconfig/tux

# Check that networking is up.
if [ "${NETWORKING}" = "no" ]
then
	exit 0
fi

# DOCROOT should have precisely one trailing /

[ -z "$DOCROOT" ] && {
	echo "Must specify a docroot in /etc/sysconfig/tux" 1>&2
	exit 1
}
DOCROOT=$(echo $DOCROOT | sed 's:/*$:/:g')

[ -n "$MODULEPATH" ] && {
	EXTRAOPTS="$EXTRAOPTS -m $MODULEPATH"
}

isname(){
	[ -n "$(echo $1 | tr -d '0-9')" ]
	return $?
}

[ -z "$DAEMON_UID" ] && DAEMON_UID=nobody
[ -z "$DAEMON_GID" ] && DAEMON_GID=nobody

EXTRAOPTS="$EXTRAOPTS -u $DAEMON_UID"
EXTRAOPTS="$EXTRAOPTS -g $DAEMON_GID"

isname $DAEMON_UID && DAEMON_UID=$(id -u $DAEMON_UID)
isname $DAEMON_GID && DAEMON_GID=$(awk -F: "\$1 == \"$DAEMON_GID\" { print \$3 }" /etc/group)

[ -z "$CGIROOT" ] && CGIROOT=$DOCROOT
[ -z "$MAX_KEEPALIVE_TIMEOUT" ] && MAX_KEEPALIVE_TIMEOUT=30

[ -f /usr/sbin/tux ] || exit 1
RETVAL=0

start(){
    echo -n "Starting tux: "
    # TUX ships as a module but many installations will build
    # it into the kernel for maximum performance.  Try to modprobe
    # but failures are fine.
    modprobe tux >/dev/null 2>&1
    echo $TUXTHREADS > /proc/sys/net/tux/threads
    echo $DOCROOT > /proc/sys/net/tux/documentroot
    echo $DAEMON_UID > /proc/sys/net/tux/cgi_uid
    echo $DAEMON_GID > /proc/sys/net/tux/cgi_gid
    echo $CGIROOT > /proc/sys/net/tux/cgiroot
    [ -f /etc/sysctl.tux ] && sysctl -p /etc/sysctl.tux
    echo $MAX_KEEPALIVE_TIMEOUT > /proc/sys/net/tux/keepalive_timeout
    if [ -n "$LOGFILE" ] ; then
	echo 1 > /proc/sys/net/tux/logging
	echo $LOGFILE > /proc/sys/net/tux/logfile
    else
	echo 0 > /proc/sys/net/tux/logging
    fi
    daemon /usr/sbin/tux -d -t $TUXTHREADS -r $DOCROOT $EXTRAOPTS $TUXMODULES
    RETVAL=$?
    echo
    touch /var/lock/subsys/tux
}

stop(){
    echo -n "Stopping tux: "
    /usr/sbin/tux --stop
    RETVAL=$?
    echo
    rm -f /var/lock/subsys/tux
}

restart(){
    stop
    start
}

condrestart(){
    [ -e /var/lock/subsys/tux ] && restart
}


# See how we were called.
case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    status)
	status /usr/sbin/tux
	;;
    restart|reload)
	restart
	;;
    condrestart)
	condrestart
	;;
    *)
	echo "Usage: tux {start|stop|status|restart|condrestart|reload}"
	RETVAL=1
esac

exit $RETVAL