Andrew Geissler | 89770b0 | 2020-06-13 10:40:47 -0500 | [diff] [blame^] | 1 | #! /bin/sh |
| 2 | ### BEGIN INIT INFO |
| 3 | # Provides: gpsd |
| 4 | # Required-Start: $remote_fs $syslog $network |
| 5 | # Should-Start: bluetooth dbus udev |
| 6 | # Required-Stop: $remote_fs $syslog $network |
| 7 | # Should-Stop: |
| 8 | # Default-Start: 2 3 4 5 |
| 9 | # Default-Stop: 0 1 6 |
| 10 | # X-Start-Before: ntp |
| 11 | # Short-Description: GPS (Global Positioning System) daemon start/stop script |
| 12 | # Description: Start/Stop script for the gpsd service daemon, |
| 13 | # which is able to monitor one or more GPS devices |
| 14 | # connected to a host computer, making all data on |
| 15 | # the location and movements of the sensors available |
| 16 | # to be queried on TCP port 2947. |
| 17 | ### END INIT INFO |
| 18 | |
| 19 | |
| 20 | # PATH should only include /usr/* if it runs after the mountnfs.sh script |
| 21 | PATH=/sbin:/usr/sbin:/bin:/usr/bin |
| 22 | |
| 23 | DESC="GPS (Global Positioning System) daemon" |
| 24 | NAME="gpsd" |
| 25 | DAEMON=/usr/sbin/$NAME |
| 26 | PIDFILE=/var/run/$NAME.pid |
| 27 | |
| 28 | . /etc/init.d/functions || exit 1 |
| 29 | |
| 30 | # Exit if the package is not installed |
| 31 | [ -x "$DAEMON" ] || exit 0 |
| 32 | |
| 33 | # Read configuration variable file if it is present |
| 34 | [ -r /etc/default/$NAME ] && . /etc/default/$NAME |
| 35 | |
| 36 | if [ -z "$GPSD_SOCKET" ] && [ -z "$DEVICES" ]; then |
| 37 | GPSD_SOCKET=/var/run/gpsd.sock |
| 38 | fi |
| 39 | |
| 40 | if [ -n "$GPSD_SOCKET" ]; then |
| 41 | GPSD_OPTIONS="$GPSD_OPTIONS -F $GPSD_SOCKET" |
| 42 | fi |
| 43 | |
| 44 | DAEMON_ARGS="$GPSD_OPTIONS $DEVICES" |
| 45 | |
| 46 | # |
| 47 | # Function that starts the daemon/service |
| 48 | # |
| 49 | do_start() { |
| 50 | local status pid |
| 51 | |
| 52 | status=0 |
| 53 | pid=`pidofproc $NAME` || status=$? |
| 54 | case $status in |
| 55 | 0) |
| 56 | echo "$DESC already running ($pid)." |
| 57 | exit 1 |
| 58 | ;; |
| 59 | *) |
| 60 | echo "Starting $DESC ..." |
| 61 | exec $DAEMON $DAEMON_ARGS >/dev/null 2>&1 || status=$? |
| 62 | echo "ERROR: Failed to start $DESC." |
| 63 | exit $status |
| 64 | ;; |
| 65 | esac |
| 66 | } |
| 67 | |
| 68 | # |
| 69 | # Function that stops the daemon/service |
| 70 | # |
| 71 | do_stop() { |
| 72 | local pid status |
| 73 | |
| 74 | status=0 |
| 75 | pid=`pidofproc $NAME` || status=$? |
| 76 | case $status in |
| 77 | 0) |
| 78 | # Exit when fail to stop, the kill would complain when fail |
| 79 | kill -s 15 $pid >/dev/null && rm -f $PIDFILE && \ |
| 80 | echo "Stopped $DESC ($pid)." || exit $? |
| 81 | ;; |
| 82 | *) |
| 83 | echo "$DESC is not running; none killed." >&2 |
| 84 | ;; |
| 85 | esac |
| 86 | |
| 87 | return $status |
| 88 | } |
| 89 | |
| 90 | # |
| 91 | # Function that sends a SIGHUP to the daemon/service |
| 92 | # |
| 93 | do_reload() { |
| 94 | local pid status |
| 95 | |
| 96 | status=0 |
| 97 | # If the daemon can reload its configuration without |
| 98 | # restarting (for example, when it is sent a SIGHUP), |
| 99 | # then implement that here. |
| 100 | pid=`pidofproc $NAME` || status=$? |
| 101 | case $status in |
| 102 | 0) |
| 103 | echo "Reloading $DESC ..." |
| 104 | kill -s 1 $pid || exit $? |
| 105 | ;; |
| 106 | *) |
| 107 | echo "$DESC is not running; none reloaded." >&2 |
| 108 | ;; |
| 109 | esac |
| 110 | exit $status |
| 111 | } |
| 112 | |
| 113 | |
| 114 | # |
| 115 | # Function that shows the daemon/service status |
| 116 | # |
| 117 | status_of_proc () { |
| 118 | local pid status |
| 119 | |
| 120 | status=0 |
| 121 | # pidof output null when no program is running, so no "2>/dev/null". |
| 122 | pid=`pidofproc $NAME` || status=$? |
| 123 | case $status in |
| 124 | 0) |
| 125 | echo "$DESC is running ($pid)." |
| 126 | exit 0 |
| 127 | ;; |
| 128 | *) |
| 129 | echo "$DESC is not running." >&2 |
| 130 | exit $status |
| 131 | ;; |
| 132 | esac |
| 133 | } |
| 134 | |
| 135 | case "$1" in |
| 136 | start) |
| 137 | do_start |
| 138 | ;; |
| 139 | stop) |
| 140 | do_stop || exit $? |
| 141 | ;; |
| 142 | status) |
| 143 | status_of_proc |
| 144 | ;; |
| 145 | restart) |
| 146 | # Always start the service regardless the status of do_stop |
| 147 | do_stop |
| 148 | do_start |
| 149 | ;; |
| 150 | force-reload) |
| 151 | # Only start the service when do_stop succeeds |
| 152 | do_stop && do_start |
| 153 | ;; |
| 154 | *) |
| 155 | echo "Usage: $0 {start|stop|status|restart|force-reload}" >&2 |
| 156 | exit 3 |
| 157 | ;; |
| 158 | esac |