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