#!/bin/sh
#
# PROVIDE: xencommons
# REQUIRE: DAEMON

. /etc/rc.subr

DIR=$(dirname "$0")
. "${DIR}/xen-hotplugpath.sh"

LD_LIBRARY_PATH="${libdir}"
export LD_LIBRARY_PATH

name="xencommons"
rcvar=xend
start_precmd="xen_precmd"
start_cmd="xen_startcmd"
stop_cmd="xen_stop"
status_cmd="xen_status"
extra_commands="status"
required_files="/kern/xen/privcmd"

XENSTORED_PIDFILE="@XEN_RUN_DIR@/xenstored.pid"
XENCONSOLED_PIDFILE="@XEN_RUN_DIR@/xenconsoled.pid"
XENBACKENDD_PIDFILE="@XEN_RUN_DIR@/xenbackendd.pid"
#XENBACKENDD_DEBUG=1
#XENCONSOLED_TRACE="@XEN_LOG_DIR@/xenconsole-trace.log"
#XENSTORED_TRACE="@XEN_LOG_DIR@/xenstore-trace.log"

xen_precmd()
{
	mkdir -p @XEN_RUN_DIR@/xenstored || exit 1
}

xen_startcmd()
{
	local time=0
	local timeout=30

	xenstored_pid=$(check_pidfile ${XENSTORED_PIDFILE} ${sbindir}/xenstored)
	if test -z "$xenstored_pid"; then
		printf "Cleaning xenstore database.\n"
		if [ -z "${XENSTORED_ROOTDIR}" ]; then
			XENSTORED_ROOTDIR="@XEN_LIB_STORED@"
		fi
		rm -f ${XENSTORED_ROOTDIR}/tdb* >/dev/null 2>&1
		printf "Starting xenservices: xenstored, xenconsoled."
		XENSTORED_ARGS=" --pid-file ${XENSTORED_PIDFILE}"
		if [ -n "${XENSTORED_TRACE}" ]; then
			XENSTORED_ARGS="${XENSTORED_ARGS} -T @XEN_LOG_DIR@/xenstored-trace.log"
		fi
		${sbindir}/xenstored ${XENSTORED_ARGS}
		while [ $time -lt $timeout ] && ! `${bindir}/xenstore-read -s / >/dev/null 2>&1` ; do
			printf "."
			time=$(($time+1))
			sleep 1
		done
	else
		printf "Starting xenservices: xenconsoled."
	fi

	XENCONSOLED_ARGS=""
	if [ -n "${XENCONSOLED_TRACE}" ]; then
		XENCONSOLED_ARGS="${XENCONSOLED_ARGS} --log=${XENCONSOLED_TRACE}"
	fi

	${sbindir}/xenconsoled ${XENCONSOLED_ARGS}

	printf "\n"

	printf "Setting domain 0 name, domid and JSON config...\n"
	${LIBEXEC_BIN}/xen-init-dom0
}

xen_stop()
{
	pids=""
	printf "Stopping xencommons.\n"
	printf "WARNING: Not stopping xenstored, as it cannot be restarted.\n"

	rc_pid=$(check_pidfile ${XENCONSOLED_PIDFILE} ${sbindir}/xenconsoled)
	pids="$pids $rc_pid"

	kill -${sig_stop:-TERM} $pids
	wait_for_pids $pids
}

xen_status()
{
	xenstored_pid=$(check_pidfile ${XENSTORED_PIDFILE} ${sbindir}/xenstored)
	if test -n ${xenstored_pid}; then
		pids="$pids $xenstored_pid"
	fi

	xenconsoled_pid=$(check_pidfile ${XENCONSOLED_PIDFILE} ${sbindir}/xenconsoled)
	if test -n ${xenconsoled_pid}; then
		pids="$pids $xenconsoled_pid"
	fi

	if test -n "$xenconsoled_pid" -a -n "$xenstored_pid";
	then
		echo "xencommons are running as pids $pids."
		return 0
	fi
	if test -z "$xenconsoled_pid" -a -z "$xenstored_pid";
	then
		echo "xencommons are not running."
		return 0
	fi

	if test -n $xenstored_pid; then
		echo "xenstored is running as pid $xenstored_pid."
	else
		echo "xenstored is not running."
	fi
	if test -n $xenconsoled_pid; then
		echo "xenconsoled is running as pid $xenconsoled_pid."
	else
		echo "xenconsoled is not running."
	fi
}

load_rc_config $name
run_rc_command "$1"