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#! /bin/sh
### BEGIN INIT INFO
# Provides: hdapsd
# Required-Start: $local_fs $remote_fs
# Required-Stop: $local_fs $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: initscript to start hdapsd
# Description: This file starts the hdapsd daemon
### END INIT INFO
# Author: Evgeni Golov <sargentd@die-welt.net>
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="IBM Hard Disk Active Protection System (HDAPS) daemon"
NAME=hdapsd
DAEMON=/usr/sbin/$NAME
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
DISK="sda"
SENSITIVITY=15
OPTIONS=""
FORCEENABLE="no"
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions
DAEMON_ARGS="-p$PIDFILE -d $DISK -s $SENSITIVITY -b $OPTIONS"
if [ "$FORCEENABLE" = "yes" ]; then
DAEMON_ARGS="$DAEMON_ARGS -f"
fi
#
# Function that checks if /sys/block/$DISK/queue/protect
# or /sys/block/$DISK/device/unload_heads exist
#
do_checkprotect()
{
if [ ! -f /sys/block/$DISK/queue/protect -a ! -f /sys/block/$DISK/device/unload_heads ]; then
log_warning_msg "Not starting $NAME: neither /sys/block/$DISK/queue/protect nor /sys/block/$DISK/device/unload_heads do exist, please read /usr/share/doc/hdapsd/README.Debian"
exit 0
fi
}
#
# Function that starts the daemon/service
#
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
start-stop-daemon --start --quiet --exec $DAEMON --test > /dev/null \
|| return 1
start-stop-daemon --start --quiet --exec $DAEMON -- $DAEMON_ARGS \
|| return 2
# Add code here, if necessary, that waits for the process to be ready
# to handle requests from services started subsequently which depend
# on this one. As a last resort, sleep for some time.
}
#
# Function that stops the daemon/service
#
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
#
# Function that sends a SIGUSR1 to the daemon/service
#
do_pause() {
start-stop-daemon --stop --signal 10 --quiet --pidfile $PIDFILE --name $NAME
return 0
}
case "$1" in
start)
do_checkprotect
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
;;
pause)
[ "$VERBOSE" != no ] && log_daemon_msg "Pauseing (8sec) $DESC" "$NAME"
do_pause
;;
restart|force-reload)
#
# If the "reload" option is implemented then remove the
# 'force-reload' alias
#
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload|pause}" >&2
exit 3
;;
esac
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