#! /bin/bash ### BEGIN INIT INFO # Provides: llxcfg-backend # Required-Start: $local_fs $remote_fs # Required-Stop: $local_fs $remote_fs # Default-Start: S 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: backend daemon for llxcfg # Description: backend daemon for llxcfg ### END INIT INFO # Author: Luis Garcia Gisbert # # Do NOT "set -e" # PATH should only include /usr/* if it runs after the mountnfs.sh script PATH=/usr/sbin:/usr/bin:/sbin:/bin LIB_FILE="/usr/share/lliurex/llxcfg-backend/llxcfg-backend-common.sh" [ -r "$LIB_FILE" ] || exit 0 . "$LIB_FILE" DESC="backend daemon for llxcfg" NAME=llxcfg-backend-daemon PIDFILE=/var/run/$NAME.pid DAEMON=/usr/sbin/$NAME DAEMON_ARGS="$LBACK_SOCKET --pidfile $PIDFILE --unix --daemon --in --out $LBACK_SERVER" SCRIPTNAME=/etc/init.d/$NAME # Exit if the package is not installed [ -x "$DAEMON" ] || exit 0 [ -x "$LBACK_SERVER" ] || exit 0 # Read configuration variable file if it is present [ -r /etc/default/$NAME ] && . /etc/default/$NAME # Load the VERBOSE setting and other rcS variables [ -f /etc/default/rcS ] && . /etc/default/rcS # Define LSB log_* functions. # Depend on lsb-base (>= 3.0-6) to ensure that this file is present. . /lib/lsb/init-functions # # Function that starts the daemon/service # prepare_socket(){ mkdir -p "$(dirname "$LBACK_SOCKET")" } remove_socket(){ rm -f "$LBACK_SOCKET" } enable_socket(){ chgrp llxcfg "$LBACK_SOCKET" chmod g+w,g+r "$LBACK_SOCKET" } do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \ || return 1 remove_socket prepare_socket start-stop-daemon --start --quiet --pidfile $PIDFILE --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. enable_socket } # # Function that stops the daemon/service # do_stop() { # 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 start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE RETVAL="$?" [ "$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 --exec $DAEMON # [ "$?" = 2 ] && return 2 # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE remove_socket return "$RETVAL" } # # Function that sends a SIGHUP to the daemon/service # do_reload() { # # If the daemon can reload its configuration without # restarting (for example, when it is sent a SIGHUP), # then implement that here. # start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE return 0 } case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; #reload|force-reload) # # If do_reload() is not implemented then leave this commented out # and leave 'force-reload' as an alias for 'restart'. # #log_daemon_msg "Reloading $DESC" "$NAME" #do_reload #log_end_msg $? #;; restart|force-reload) # # If the "reload" option is implemented then remove the # 'force-reload' alias # log_daemon_msg "Restarting $DESC" "$NAME" do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; *) #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2 echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2 exit 3 ;; esac :