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|
#!/bin/sh
#
### BEGIN INIT INFO
# Provides: micro-evtd
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Should-Start:
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Daemon for Linkstation/Kuro micro controller
# Description: Micro-evtd is able to control and monitor fans,
# various LEDs, system temperature and two buttons. It
# can also set the system in standby and wake up on
# timed events.
### END INIT INFO
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/micro-evtd
NAME=micro-evtd
DESC="Daemon for Linkstation/Kuro micro controller"
LOGDIR=/var/log/micro-evtd
PIDFILE=/var/run/micro-evtd.pid
test -x $DAEMON || exit 0
. /lib/lsb/init-functions
DAEMON_OPTS=""
DIETIME=10
LOGFILE=$LOGDIR/$NAME.log # Server logfile
STARTTIME=1
MICROAPL=/usr/sbin/microapl
# Include defaults if available
if [ -f /etc/default/$NAME ] ; then
. /etc/default/$NAME
fi
set -e
running_pid() {
# Check if a given process pid's cmdline matches a given name
pid=$1
name=$2
[ -z "$pid" ] && return 1
[ ! -d /proc/$pid ] && return 1
cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1`
# Is this the expected server
[ "$cmd" != "$name" ] && return 1
return 0
}
running() {
# Check if the process is running looking at /proc
# (works for all users)
# No pidfile, probably no daemon present
[ ! -f "$PIDFILE" ] && return 1
pid=`cat $PIDFILE`
running_pid $pid $DAEMON || return 1
return 0
}
check_supported_device() {
# Check if current platform is supported.
device=$(sed -n '/Hardware/ {s/^.*: //;p}' /proc/cpuinfo)
case $device in
*"(Flattened Device Tree)")
device=$(cat /proc/device-tree/model)
;;
esac
case $device in
# Supported hardware, start the process using the wrapper
"Buffalo Linkstation Pro/Live" | "Buffalo/Revogear Kurobox Pro")
return 0
;;
# Hardware not supported, tell and die
*)
log_failure_msg "micro-evtd error: device is not supported"
exit 1
;;
esac
}
start_server() {
# Start the process using the wrapper
start-stop-daemon --start --quiet --pidfile $PIDFILE \
--exec $DAEMON -- $DAEMON_OPTS
errcode=$?
# Stop flashing LEDs and clear error codes
[ -x $DAEMON ] && $DAEMON -q -s 02520000,02540000
return $errcode
}
stop_server() {
# Stop the process using the wrapper
start-stop-daemon --stop --quiet --pidfile $PIDFILE \
--exec $DAEMON
errcode=$?
# flash the led to indicate shutting down
[ -x $DAEMON ] && $DAEMON -q -s 02520100
# disable the watchdog so that the timer doesn't kill the box
# (e.g. while in single user mode)
[ -x $MICROAPL ] && $MICROAPL -a system_set_watchdog off
return $errcode
}
reload_server() {
[ ! -f "$PIDFILE" ] && return 1
pid=`cat $PIDFILE` # This is the daemon's pid
# Send a SIGHUP
kill -1 $pid
return $?
}
force_stop() {
# Force the process to die killing it manually
[ ! -e "$PIDFILE" ] && return
if running ; then
kill -15 $pid
# Is it really dead?
sleep "$DIETIME"s
if running ; then
kill -9 $pid
sleep "$DIETIME"s
if running ; then
echo "Cannot kill $NAME (pid=$pid)!"
exit 1
fi
fi
fi
rm -f $PIDFILE
}
case "$1" in
start)
check_supported_device
log_daemon_msg "Starting $DESC" "$NAME"
# Check if it's running first
if running ; then
log_progress_msg "apparently already running"
log_end_msg 0
exit 0
fi
if start_server ; then
[ -n "$STARTTIME" ] && sleep $STARTTIME # Wait some time
if running ; then
# It's ok, the server started and is running
log_end_msg 0
else
# It is not running after we did start
log_end_msg 1
fi
else
# Either we could not start it
log_end_msg 1
fi
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
if running ; then
# Only stop the server if we see it running
stop_server
log_end_msg $?
else
# If it's not running don't do anything
log_progress_msg "apparently not running"
log_end_msg 0
exit 0
fi
;;
force-stop)
# First try to stop gracefully the program
$0 stop
if running; then
# If it's still running try to kill it more forcefully
log_daemon_msg "Stopping (force) $DESC" "$NAME"
force_stop
log_end_msg $?
fi
;;
restart|force-reload)
check_supported_device
log_daemon_msg "Restarting $DESC" "$NAME"
stop_server
# Wait some sensible amount, some server need this
[ -n "$DIETIME" ] && sleep $DIETIME
start_server
[ -n "$STARTTIME" ] && sleep $STARTTIME
running
log_end_msg $?
;;
status)
log_daemon_msg "Checking status of $DESC" "$NAME"
if running ; then
log_progress_msg "running"
log_end_msg 0
else
log_progress_msg "apparently not running"
log_end_msg 1
exit 1
fi
;;
reload)
log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
log_warning_msg "cannot re-read the config file (use restart)."
;;
*)
N=/etc/init.d/$NAME
echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2
exit 1
;;
esac
exit 0
|
