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- #!/bin/sh
- # See init-d-script(5) for instructions on how to use this library.
- #=============================================================================
- # 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
- # PATH should only include /usr/* if it runs after the mountnfs.sh
- # script. Scripts running before mountnfs.sh should remove the /usr/*
- # entries.
- PATH=/sbin:/usr/sbin:/bin:/usr/bin
- export PATH
- is_call_implemented() {
- command -V $1 > /dev/null 2>&1
- }
- do_usage() {
- if is_call_implemented do_reload ; then
- echo "Usage: $SCRIPTNAME {start|stop|status|reload|restart|try-restart|force-reload}" >&2
- else
- echo "Usage: $SCRIPTNAME {start|stop|status|restart|try-restart|force-reload}" >&2
- fi
- }
- call() {
- cmd="$1"
- shift
- if is_call_implemented ${cmd}_override ; then
- ${cmd}_override "$@"
- else
- ${cmd} "$@"
- fi
- }
- #
- # Function that starts the daemon/service
- #
- # Return
- # 0 if daemon has been started
- # 1 if daemon was already running
- # 2 if daemon could not be started
- do_start_cmd() {
- start-stop-daemon --start --quiet ${PIDFILE:+--pidfile ${PIDFILE}} \
- $START_ARGS \
- --startas $DAEMON --name $NAME --exec $DAEMON --test > /dev/null \
- || return 1
- start-stop-daemon --start --quiet ${PIDFILE:+--pidfile ${PIDFILE}} \
- $START_ARGS \
- --startas $DAEMON --name $NAME --exec $DAEMON -- $DAEMON_ARGS \
- || return 2
- # Add code here, if necessary, that waits for the process to be ready
- # to handle requests from services started subsequently which depend
- # on this one. As a last resort, sleep for some time.
- }
- do_start()
- {
- if is_call_implemented do_start_prepare ; then
- call do_start_prepare
- fi
- [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
- call do_start_cmd
- case "$?" in
- 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
- 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
- esac
- if is_call_implemented do_start_cleanup ; then
- call do_start_cleanup
- fi
- }
- #
- # Function that stops the daemon/service
- #
- # 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
- do_stop_cmd() {
- start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \
- $STOP_ARGS \
- ${PIDFILE:+--pidfile ${PIDFILE}} --name $NAME --exec $DAEMON
- RETVAL="$?"
- [ "$RETVAL" = 2 ] && return 2
- # Wait for children to finish too if this is a daemon that forks
- # and if the daemon is only ever run from this initscript.
- # If the above conditions are not satisfied then add some other code
- # that waits for the process to drop all resources that could be
- # needed by services started subsequently. A last resort is to
- # sleep for some time.
- start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 \
- $STOP_ARGS \
- --exec $DAEMON
- [ "$?" = 2 ] && return 2
- # Many daemons don't delete their pidfiles when they exit.
- rm -f $PIDFILE
- return $RETVAL
- }
- do_stop()
- {
- if is_call_implemented do_stop_prepare ; then
- call do_stop_prepare
- fi
- [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
- call do_stop_cmd
- case "$?" in
- 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
- 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
- esac
- if is_call_implemented do_stop_cleanup ; then
- call do_stop_cleanup
- fi
- }
- do_restart() {
- [ "$VERBOSE" != no ] && log_daemon_msg "Restarting $DESC" "$NAME"
- call do_stop_cmd
- call do_start_cmd
- case "$?" in
- 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
- 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
- esac
- }
- do_force_reload() {
- if is_call_implemented do_reload ; then
- call do_reload
- else
- call do_restart
- fi
- }
- # Enable this using
- # alias do_reload=do_reload_sigusr1
- do_reload_sigusr1() {
- log_daemon_msg "Reloading $DESC configuration files" "$NAME"
- start-stop-daemon --oknodo --stop --signal 1 --quiet \
- --pidfile "$PIDFILE" --exec "$DAEMON"
- log_end_msg $?
- }
- do_status() {
- status_of_proc "$DAEMON" "$NAME" && return 0 || return $?
- }
- if [ "$DEBUG" = "true" ] ; then
- set -x
- fi
- SCRIPTNAME=$1
- scriptbasename="$(basename $1)"
- if [ "$scriptbasename" != "init-d-script" ] ; then
- script="$1"
- shift
- . $script
- else
- exit 0
- fi
- NAME=${NAME:=$(basename $DAEMON)}
- DESC=${DESC:=$NAME}
- # Do not use pid file if $PIDFILE is 'none'. Otherwise, generate from
- # $NAME or use the value provided by the init.d script.
- if [ none = "$PIDFILE" ] ; then
- PIDFILE=
- elif [ -z "$PIDFILE" ] ; then
- PIDFILE=/var/run/$NAME.pid
- fi
- # Exit if the package is not installed
- if [ none != "$DAEMON" ] && [ ! -x "$DAEMON" ] ; then
- exit 0
- fi
- # Read configuration variable file if it is present
- [ -r /etc/default/$NAME ] && . /etc/default/$NAME
- # Load the VERBOSE setting and other rcS variables
- . /lib/init/vars.sh
- if [ -t 0 ] ; then # Be verbose when called from a terminal
- VERBOSE=yes
- fi
- case "$1" in
- start)
- call do_start
- ;;
- stop)
- call do_stop
- ;;
- status)
- call do_status
- ;;
- reload)
- if is_call_implemented do_reload ; then
- do_reload
- else
- call do_usage
- exit 3
- fi
- ;;
- force-reload)
- call do_force_reload
- ;;
- restart)
- call do_restart
- ;;
- try-restart)
- log_daemon_msg "Trying to restart $DESC" "$NAME"
- if call do_status > /dev/null 2>&1 ; then
- call do_restart
- log_end_msg $?
- else
- log_progress_msg "is not running."
- log_end_msg 1
- fi
- ;;
- '')
- call do_usage
- exit 3
- ;;
- *)
- if is_call_implemented do_unknown ; then
- call do_unknown "$1"
- exit 3
- else
- call do_usage
- exit 3
- fi
- ;;
- esac
- exit 0
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