#! /bin/sh
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### BEGIN INIT INFO
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# Provides: gpsd
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# Required-Start: $remote_fs $syslog $network
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# Should-Start: bluetooth dbus udev
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# Required-Stop: $remote_fs $syslog $network
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# Should-Stop:
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# X-Start-Before: ntp
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# Short-Description: GPS (Global Positioning System) daemon start/stop script
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# Description: Start/Stop script for the gpsd service daemon,
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# which is able to monitor one or more GPS devices
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# connected to a host computer, making all data on
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# the location and movements of the sensors available
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# to be queried on TCP port 2947.
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### END INIT INFO
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# PATH should only include /usr/* if it runs after the mountnfs.sh script
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="GPS (Global Positioning System) daemon"
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NAME="gpsd"
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DAEMON=/usr/sbin/$NAME
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PIDFILE=/var/run/$NAME.pid
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. /etc/init.d/functions || exit 1
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# Exit if the package is not installed
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[ -x "$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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if [ -z "$GPSD_SOCKET" ] && [ -z "$DEVICES" ]; then
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GPSD_SOCKET=/var/run/gpsd.sock
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fi
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if [ -n "$GPSD_SOCKET" ]; then
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GPSD_OPTIONS="$GPSD_OPTIONS -F $GPSD_SOCKET"
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fi
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DAEMON_ARGS="$GPSD_OPTIONS $DEVICES"
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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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local status pid
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status=0
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pid=`pidofproc $NAME` || status=$?
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case $status in
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0)
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echo "$DESC already running ($pid)."
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exit 1
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;;
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*)
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echo "Starting $DESC ..."
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exec $DAEMON $DAEMON_ARGS >/dev/null 2>&1 || status=$?
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echo "ERROR: Failed to start $DESC."
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exit $status
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;;
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esac
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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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local pid status
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status=0
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pid=`pidofproc $NAME` || status=$?
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case $status in
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0)
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# Exit when fail to stop, the kill would complain when fail
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kill -s 15 $pid >/dev/null && rm -f $PIDFILE && \
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echo "Stopped $DESC ($pid)." || exit $?
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;;
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*)
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echo "$DESC is not running; none killed." >&2
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;;
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esac
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return $status
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}
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#
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# Function that sends a SIGHUP to the daemon/service
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#
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do_reload() {
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local pid status
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status=0
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# If the daemon can reload its configuration without
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# restarting (for example, when it is sent a SIGHUP),
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# then implement that here.
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pid=`pidofproc $NAME` || status=$?
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case $status in
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0)
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echo "Reloading $DESC ..."
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kill -s 1 $pid || exit $?
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;;
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*)
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echo "$DESC is not running; none reloaded." >&2
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;;
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esac
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exit $status
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}
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#
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# Function that shows the daemon/service status
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#
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status_of_proc () {
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local pid status
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status=0
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# pidof output null when no program is running, so no "2>/dev/null".
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pid=`pidofproc $NAME` || status=$?
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case $status in
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0)
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echo "$DESC is running ($pid)."
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exit 0
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;;
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*)
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echo "$DESC is not running." >&2
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exit $status
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;;
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esac
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}
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case "$1" in
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start)
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do_start
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;;
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stop)
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do_stop || exit $?
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;;
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status)
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status_of_proc
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;;
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restart)
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# Always start the service regardless the status of do_stop
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do_stop
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do_start
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;;
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force-reload)
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# Only start the service when do_stop succeeds
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do_stop && do_start
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;;
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*)
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echo "Usage: $0 {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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