#!/bin/sh
#/etc/init.d/wd_keepalive: start wd_keepalive daemon.

### BEGIN INIT INFO
# Provides:          wd_keepalive
# Short-Description: Start watchdog keepalive daemon
# Required-Start:    $remote_fs
# Required-Stop:     $remote_fs
# X-Start-Before:    $all
# Default-Start:     2 3 4 5
# Default-Stop:      
### END INIT INFO

PATH=/bin:/usr/bin:/sbin:/usr/sbin

test -x /usr/sbin/wd_keepalive || exit 0

# For configuration of the init script use the file
# /etc/default/watchdog, do not edit this init script.

# Set run_watchdog to 1 to start watchdog or 0 to disable it.
run_watchdog=0

# Specify additional watchdog options here (see manpage).
watchdog_options=""

# Specify module to load
watchdog_module="none"

[ -e /etc/default/watchdog ] && . /etc/default/watchdog

KEEPALIVE_NAME=wd_keepalive
KEEPALIVE_DAEMON=/usr/sbin/wd_keepalive

STOP_RETRY_SCHEDULE='TERM/10/forever/KILL/1'

. /lib/lsb/init-functions

case "$1" in
  start)
    if [ $run_watchdog = 1 ]
    then
        [ "${watchdog_module:-none}" != "none" ] && /sbin/modprobe $watchdog_module
	log_begin_msg "Starting watchdog keepalive daemon..."
	start-stop-daemon --start --quiet --pidfile /var/run/$KEEPALIVE_NAME.pid \
		--exec $KEEPALIVE_DAEMON -- $watchdog_options
	log_end_msg $?

	# tell sendsigs to ignore it
        ln -s /var/run/$KEEPALIVE_NAME.pid /run/sendsigs.omit.d/$KEEPALIVE_NAME.pid

    fi
    ;;

  stop)
    if [ $run_watchdog = 1 ]
    then
	log_begin_msg "Stopping watchdog keepalive daemon..."
	start-stop-daemon --stop --quiet --oknodo --retry $STOP_RETRY_SCHEDULE \
		--pidfile /var/run/$KEEPALIVE_NAME.pid
	log_end_msg $?

	# remove the sendsigs omit file
        rm -f /run/sendsigs.omit.d/$KEEPALIVE_NAME.pid
    fi
    ;;

  status)
    status_of_proc "$KEEPALIVE_DAEMON" "$KEEPALIVE_NAME" && exit 0 || exit $?
    ;;

  restart)
    $0 force-reload
    ;;

  force-reload)
    if [ $run_watchdog = 0 ]; then exit 0; fi
    log_daemon_msg "Restarting $KEEPALIVE_NAME"
    log_progress_msg "Stopping $KEEPALIVE_NAME daemon..."
    start-stop-daemon --stop --pidfile /var/run/$KEEPALIVE_NAME.pid --quiet \
        --retry $STOP_RETRY_SCHEDULE || log_end_msg $?
    log_progress_msg "Starting $KEEPALIVE_NAME daemon..."
    start-stop-daemon --start --quiet --pidfile /var/run/$KEEPALIVE_NAME.pid \
        --exec $KEEPALIVE_DAEMON -- $watchdog_options
    log_end_msg $?
    ;;

  *)
    echo "Usage: /etc/init.d/wd_keepalive {start|stop|status|restart|force-reload}"
    exit 1

esac

exit 0