mobile-ip6.in

mobile ipv6协议Linux实现源代码

#!/bin/sh
#
# Load MIPL Mobile IPv6 module
#
# chkconfig: 345 75 05
# description: Automatically loads MIPL Mobile IPv6 kernel module and
# configures it. See http://www.mipl.mediapoli.com/ for more information.
# config: /etc/sysconfig/network-mip6.conf
#
# @configure_input@

MIPV6_BASE_MODULE=@MIPV6_BASE_MODULE@
MIPV6_MN_MODULE=@MIPV6_MN_MODULE@
MIPV6_HA_MODULE=@MIPV6_HA_MODULE@
MIPV6_MODULE=

prefix=@prefix@
exec_prefix=@exec_prefix@
initdir=@INITDIR@
sysconfdir=@sysconfdir@

CONFIG_FILE=@NETWORK_MIP6_CONF@/network-mip6.conf
MIPDIAG=@sbindir@/mipdiag
SUBSYS=$1
LOCKDIR=@LOCKDIR@

MODPROBE=@sbindir@/modprobe
LSMOD=@sbindir@/lsmod

# Test if 'functions' exists. If not, define our own 'action'
if test -x /etc/rc.d/init.d/functions ; then
    . /etc/rc.d/init.d/functions
elif test -x /etc/rc.config ; then
    . /etc/rc.config
else
    action() {
	msg=$1
	shift
	eval "$*" >/dev/null 2>&1
	ret=$?
	if test $ret = 0 -a "x$*" != "x" ; then
	    msg=$msg" OK"
	else
	    msg=$msg" Failed"
	fi
	logger $msg
	echo $msg
    }
fi

if [ -r $CONFIG_FILE ] ; then
    . $CONFIG_FILE
else
    echo "Cannot read configuration file: $CONFIG_FILE"
    exit 1
fi

for file in $MIPDIAG $MODPROBE $LSMOD ; do
    if [ ! -x $file ] ; then
	echo "Cannot execute: $file"
	exit 1
    fi
done

if [ "$FUNCTIONALITY" = "mn" ] ; then
    MIPV6_MODULE=$MIPV6_MN_MODULE
elif [ "$FUNCTIONALITY" = "ha" ] ; then
    MIPV6_MODULE=$MIPV6_HA_MODULE
else
    MIPV6_MODULE=$MIPV6_BASE_MODULE
fi

if [ -z "$HOMEADDRESS" -a "$FUNCTIONALITY" = "mn" ] ; then
    echo "Home address not set for mobile node"
    exit 1
fi

case "$1" in
    start)
	$LSMOD | grep $MIPV6_MODULE &>/dev/null && \
	    echo "$MIPV6_MODULE already installed" && exit 1

	INSMOD_ARGS=

	if [ -n "$DEBUGLEVEL" ] ; then
	    INSMOD_ARGS="$INSMOD_ARGS mipv6_debug=$DEBUGLEVEL"
	fi

	$MODPROBE $MIPV6_BASE_MODULE $INSMOD_ARGS &> /dev/null
	status=$?

	if [ "$FUNCTIONALITY" = "mn" -o "$FUNCTIONALITY" = "ha" ] ; then
	    $MODPROBE $MIPV6_MODULE &> /dev/null
	fi

	action "Starting Mobile IPv6:" [ $status -eq 0 ] || exit 1

	touch $LOCKDIR/mobile-ip6

	# Temporary kludge to control get the new sysctls working.
	# Should probably be integrated into mipdiag at some time.

	if [ "$FUNCTIONALITY" = "ha" ] ; then 
	    if [ -n "$MIN_TUNNEL_NR" ] ; then
		echo $MIN_TUNNEL_NR > /proc/sys/net/ipv6/mobility/min_tnls
	    fi

	    if [ -n "$MAX_TUNNEL_NR" ] ; then
		echo $MAX_TUNNEL_NR > /proc/sys/net/ipv6/mobility/max_tnls
	    fi
	fi

	if [ "$FUNCTIONALITY" = "mn" ] ; then
	    [ -n "$HOMEADDRESS" ] && \
	    $MIPDIAG -i $HOMEDEV -h $HOMEADDRESS -H$HOMEAGENT
	fi

	if [ "$FUNCTIONALITY" = "ha" -a -n "$TUNNEL_SITELOCAL" ] ; then
	    $MIPDIAG -t$TUNNEL_SITELOCAL
	fi

	if [ "$FUNCTIONALITY" = "ha" ] ; then 
	    echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
	fi 
	;;

    stop)
	action "Stopping Mobile IPv6:" [ -f $LOCKDIR/mobile-ip6 ] || exit 1

	$MODPROBE -r $MIPV6_MODULE

	rm -f $LOCKDIR/mobile-ip6
	exit $?
	;;

    restart)
	$0 stop
	$0 start
	exit $?
	;;

    status)
	$LSMOD | grep $MIPV6_MODULE > /dev/null
	if [ $? -eq 0 ]; then
		echo "$MIPV6_MODULE module is installed..."
		exit 0
	fi
       	# See if lock in $LOCKDIR exists
	if [ -f $LOCKDIR/mobile-ip6 ]; then
		echo "$MIPV6_MODULE module not installed but subsys locked"
		exit 2
	fi

	echo "$MIPV6_MODULE module is not installed"
	exit 3
	;;

    *)
	echo "Usage mobile-ip6 {start|stop|status|restart}"
	exit 1
	;;
esac