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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