dump1090/debian/dump1090-mutability.init

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#!/bin/sh
### BEGIN INIT INFO
# Provides: dump1090-mutability
# Required-Start: $remote_fs
# Required-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: dump1090 daemon (mutability variant)
# Description: Receives ADS-B messages from a RTLSDR dongle
# and makes them available to other applications via
# a variety of network protocols.
### END INIT INFO
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="dump1090-mutability daemon"
NAME=dump1090-mutability
DAEMON=/usr/bin/$NAME
ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
# 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/$NAME
# work out daemon args
# sanitize missing settings
[ -z "$START_DUMP1090" ] && START_DUMP1090=no
[ -z "$DUMP1090_USER" ] && DUMP1090_USER="missing-DUMP1090_USER-setting-in-config"
[ -z "$RAW_INPUT_PORT" ] && RAW_INPUT_PORT=0
[ -z "$RAW_OUTPUT_PORT" ] && RAW_OUTPUT_PORT=0
[ -z "$SBS_OUTPUT_PORT" ] && SBS_OUTPUT_PORT=0
[ -z "$BEAST_INPUT_PORT" ] && BEAST_INPUT_PORT=0
[ -z "$BEAST_OUTPUT_PORT" ] && BEAST_OUTPUT_PORT=0
[ -z "$NET_BUFFER" ] && NET_BUFFER=0
[ -z "$JSON_INTERVAL" ] && JSON_INTERVAL=0
[ -z "$MAX_RANGE" ] && MAX_RANGE=300
# receiver:
NICELEVEL="--nicelevel -5"
case "x$DEVICE" in
x|x0) ARGS="$ARGS --net" ;;
xnone) ARGS="$ARGS --net-only"; NICELEVEL="" ;;
*) ARGS="$ARGS --net --device-index $DEVICE" ;;
esac
case "x$GAIN" in
x|xmax) ;;
xagc) ARGS="$ARGS --gain -10" ;;
*) ARGS="$ARGS --gain $GAIN" ;;
esac
if [ -n "$PPM" ]; then ARGS="$ARGS --ppm $PPM"; fi
# decoder:
if [ "x$FIX_CRC" = "xyes" ]; then ARGS="$ARGS --fix"; fi
if [ -n "$LAT" ]; then ARGS="$ARGS --lat $LAT"; fi
if [ -n "$LON" ]; then ARGS="$ARGS --lon $LON"; fi
ARGS="$ARGS --max-range $MAX_RANGE"
# net:
ARGS="$ARGS \
--net-ri-port $RAW_INPUT_PORT --net-ro-port $RAW_OUTPUT_PORT \
--net-bi-port $BEAST_INPUT_PORT --net-bo-port $BEAST_OUTPUT_PORT \
--net-sbs-port $SBS_OUTPUT_PORT"
if [ -n "$NET_HEARTBEAT" ]; then ARGS="$ARGS --net-heartbeat $NET_HEARTBEAT"; fi
if [ -n "$NET_OUTPUT_SIZE" ]; then ARGS="$ARGS --net-ro-size $NET_OUTPUT_SIZE"; fi
if [ -n "$NET_OUTPUT_INTERVAL" ]; then ARGS="$ARGS --net-ro-interval $NET_OUTPUT_INTERVAL"; fi
if [ "$NET_BUFFER" -le "65536" ]; then ARGS="$ARGS --net-buffer 0"
elif [ "$NET_BUFFER" -le "131072" ]; then ARGS="$ARGS --net-buffer 1"
elif [ "$NET_BUFFER" -le "262144" ]; then ARGS="$ARGS --net-buffer 2"
else ARGS="$ARGS --net-buffer 3"; fi
if [ -n "$NET_BIND_ADDRESS" ]; then ARGS="$ARGS --net-bind-address $NET_BIND_ADDRESS"; fi
# misc:
if [ -n "$STATS_INTERVAL" ]; then ARGS="$ARGS --stats-every $STATS_INTERVAL"; fi
if [ -n "$JSON_DIR" ]; then ARGS="$ARGS --write-json $JSON_DIR"; fi
if [ -n "$JSON_INTERVAL" ]; then ARGS="$ARGS --write-json-every $JSON_INTERVAL"; fi
case "x$JSON_LOCATION_ACCURACY" in
xexact) ARGS="$ARGS --json-location-accuracy 2" ;;
xapproximate) ARGS="$ARGS --json-location-accuracy 1" ;;
*) ARGS="$ARGS --json-location-accuracy 0" ;;
esac
if [ "x$LOG_DECODED_MESSAGES" != "xyes" ]; then ARGS="$ARGS --quiet"; fi
if [ -n "$EXTRA_ARGS" ]; then ARGS="$ARGS $EXTRA_ARGS"; fi
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
#
# Function that starts the daemon/service
#
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
if [ "x$START_DUMP1090" != "xyes" ]; then
log_warning_msg "Not starting $NAME daemon, disabled via /etc/default/$NAME"
return 2
fi
start-stop-daemon --start --quiet --pidfile $PIDFILE --user "$DUMP1090_USER" --exec $DAEMON --test > /dev/null \
|| return 1
# create JSON_DIR with the appropriate permissions
# (it is on /run by default, so will be lost on reboot)
if [ "x$JSON_DIR" != "x" ]; then
if [ ! -e $JSON_DIR ]; then
(mkdir $JSON_DIR && chmod 0755 $JSON_DIR && chown $DUMP1090_USER $JSON_DIR) || log_warning_msg "Failed to create $JSON_DIR"
fi
fi
# create logfile with the appropriate permissions if not already there
touch $LOGFILE
chown "$DUMP1090_USER":root $LOGFILE
start-stop-daemon --start $NICELEVEL --quiet --pidfile $PIDFILE --user "$DUMP1090_USER" --chuid "$DUMP1090_USER" --make-pidfile --background --no-close --exec $DAEMON -- \
2014-12-06 17:06:39 +01:00
$ARGS >>$LOGFILE 2>&1 \
|| return 2
sleep 1
}
#
# 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 --retry=TERM/30/KILL/5 --pidfile $PIDFILE --user "$DUMP1090_USER" --exec $DAEMON
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
sleep 1
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
case "$1" in
start)
[ "$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 $?
;;
restart|force-reload)
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}" >&2
exit 3
;;
esac
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