#!/bin/sh
#
# $FreeBSD$
#
# A sample XORP startup script.
#

# PROVIDE: xorp
# REQUIRE: netif routing mountcritlocal
# BEFORE:  NETWORKING

# Add the following lines to /etc/rc.conf to enable xorp:
#
#xorp_enable="YES"
#xorp_conf="%%PREFIX%%/etc/xorp.conf.sample"
#

. /etc/rc.subr

name="xorp"
rcvar=`set_rcvar`

load_rc_config $name

: ${xorp_enable="NO"}
: ${xorp_conf="%%PREFIX%%/etc/xorp.conf"}
: ${xorp_flags=""}
: ${xorp_rtrmgr_pidfile="/var/run/xorp_rtrmgr.pid"}
: ${xorp_rtrmgr_logfile="/var/log/xorp_rtrmgr.log"}
: ${xorp_rtrmgr_poll_enable=true}
: ${xorp_rtrmgr_poll_timeout=90}
: ${xorp_hardkill_enable=false}

required_files=${xorp_conf}
command=%%PREFIX%%/sbin/xorp_rtrmgr
command_args="-c ${xorp_conf}"
pidfile=${xorp_rtrmgr_pidfile}
sig_stop=INT

start_precmd="xorp_prestart"
start_cmd="xorp_start"
stop_postcmd="xorp_poststop"

xorp_prestart()
{
	touch ${xorp_rtrmgr_logfile}
	return 0
}

# FIXME use XORP's built-in syslog capability

xorp_start() 
{
	pidfile=${xorp_rtrmgr_pidfile}

	echo -n 'Starting XORP router processes:'

	# FIXME use XORP's built-in daemonization
	echo -n ' xorp_rtrmgr'
	if ! daemon </dev/null >>${xorp_rtrmgr_logfile} 2>&1 -c -p ${pidfile} \
	     ${command} ${command_args} ; then
		warn 'could not bring up xorp_rtrmgr.'
		return 1
	fi

	${xorp_rtrmgr_poll_enable} || return 0

	# If startup polling is enabled, then poll xorp_rtrmgr every
	# second to see if it died, or if it logged successful bringup.
	# XXX This may be racy on very fast machines, but without
	# daemonizing support from xorp_rtrmgr it's difficult not to race.

	pid=$(cat ${xorp_rtrmgr_pidfile})
	timeout=${xorp_rtrmgr_poll_timeout}
	tick=0
	fail=true

	until [ $tick = $timeout ];
	do
		sleep 1 ; kill -0 ${pid} || break
		if ( tail -5 ${xorp_rtrmgr_logfile} | \
		    grep 'No more tasks to run' > /dev/null 2>&1 ) ; then
			fail=false
			break
		fi
		tick=$((tick + 1))
	done

	if $fail ; then
		warn 'xorp_rtrmgr failed to start'
		return 1
	fi

	echo '.'
	return 0
}

xorp_poststop()
{
	rm -f ${xorp_rtrmgr_pidfile} >/dev/null 2>&1 || true

	${xorp_hardkill_enable} || return 0
	killall -9 -m xorp_\* || true

	return 0
}

run_rc_command "$1"