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@@ -1,100 +1,165 @@
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-#! /bin/sh
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-
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+#!/bin/sh
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### BEGIN INIT INFO
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-# Provides: autossh
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-# Required-Start: $remote_fs $syslog $network
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-# Required-Stop: $remote_fs $syslog
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-# Default-Start: 2 3 4 5
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-# Default-Stop:
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-# Short-Description: AutoSSH daemon
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+# Provides: autossh
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+# Required-Start: $local_fs $network $remote_fs $syslog
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+# Required-Stop: $local_fs $network $remote_fs $syslog
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+# Default-Start: 2 3 4 5
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+# Default-Stop: 0 1 6
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+# Short-Description: start the autossh daemon
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+# Description: start the autossh daemon
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### END INIT INFO
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-set -e
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+# Author: Antoine Beaupré <anarcat@koumbit.org>
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+
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+# Do NOT "set -e"
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+
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+# PATH should only include /usr/* if it runs after the mountnfs.sh script
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+PATH=/sbin:/usr/sbin:/bin:/usr/bin
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+DESC="autossh"
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+NAME=autossh
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+USER=$NAME
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+DAEMON=/usr/bin/autossh
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+DAEMON_ARGS=""
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+PIDFILE=/var/run/$NAME.pid
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+SCRIPTNAME=/etc/init.d/$NAME
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-umask 022
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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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-PIDFILE=/var/run/autossh.pid
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+# Exit if the package is not installed
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+[ -x "$DAEMON" ] || exit 0
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-if test -f /etc/default/isuma-autossh; then
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- . /etc/default/isuma-autossh
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-fi
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+# Load the VERBOSE setting and other rcS variables
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+. /lib/init/vars.sh
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+# Define LSB log_* functions.
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+# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
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+# and status_of_proc is working.
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. /lib/lsb/init-functions
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-export PATH=/sbin:/bin:/usr/sbin:/usr/bin
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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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+{
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+ # Return
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+ # 0 if daemon has been started
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+ # 1 if daemon was already running
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+ # 2 if daemon could not be started
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+ start-stop-daemon --start --quiet --user $USER --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
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+ || return 1
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+ start-stop-daemon --start --quiet --user $USER --chuid $USER --pidfile $PIDFILE --exec $DAEMON -- \
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+ $DAEMON_ARGS \
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+ || return 2
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+ # The above code will not work for interpreted scripts, use the next
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+ # six lines below instead (Ref: #643337, start-stop-daemon(8) )
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+ #start-stop-daemon --start --quiet --pidfile $PIDFILE --startas $DAEMON \
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+ # --name $NAME --test > /dev/null \
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+ # || return 1
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+ #start-stop-daemon --start --quiet --pidfile $PIDFILE --startas $DAEMON \
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+ # --name $NAME -- $DAEMON_ARGS \
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+ # || return 2
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+
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+ # Add code here, if necessary, that waits for the process to be ready
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+ # to handle requests from services started subsequently which depend
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+ # on this one. As a last resort, sleep for some time.
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+}
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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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+{
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+ # Return
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+ # 0 if daemon has been stopped
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+ # 1 if daemon was already stopped
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+ # 2 if daemon could not be stopped
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+ # other if a failure occurred
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+ start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --user $USER --name $NAME
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+ RETVAL="$?"
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+ [ "$RETVAL" = 2 ] && return 2
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+ # Wait for children to finish too if this is a daemon that forks
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+ # and if the daemon is only ever run from this initscript.
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+ # If the above conditions are not satisfied then add some other code
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+ # that waits for the process to drop all resources that could be
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+ # needed by services started subsequently. A last resort is to
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+ # sleep for some time.
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+ start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --user $USER --exec $DAEMON
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+ [ "$?" = 2 ] && return 2
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+ # Many daemons don't delete their pidfiles when they exit.
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+ rm -f $PIDFILE
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+ return "$RETVAL"
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+}
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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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+ #
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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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+ #
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+ start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
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+ return 0
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+}
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case "$1" in
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start)
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- log_daemon_msg "Starting AutoSSH daemon" "autossh"
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- if start-stop-daemon --quiet --start --background --pidfile $PIDFILE --make-pidfile --exec /usr/bin/autossh -- $DAEMON_OPTS; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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+ [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
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+ do_start
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+ case "$?" in
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+ 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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+ 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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+ esac
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;;
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stop)
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- log_daemon_msg "Stopping AutoSSH daemon" "autossh"
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- if start-stop-daemon --stop --quiet --pidfile $PIDFILE ; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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- ;;
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-
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- reload|force-reload)
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- log_daemon_msg "Reloading AutoSSH daemon" "autossh"
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- if start-stop-daemon --stop --signal 1 --quiet --oknodo --pidfile $PIDFILE; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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+ [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
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+ do_stop
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+ case "$?" in
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+ 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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+ 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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+ esac
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;;
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-
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- restart)
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- log_daemon_msg "Restarting Autossh for isuma" "autossh"
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- start-stop-daemon --stop --quiet --oknodo --retry 30 --pidfile $PIDFILE
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- if start-stop-daemon --start --quiet -b --make-pidfile --pidfile $PIDFILE --exec /usr/bin/autossh -- $AUTOSSH_ISUMA_OPTS; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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+ status)
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+ status_of_proc -p "$PIDFILE" "$DAEMON" "$NAME" && exit 0 || exit $?
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;;
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-
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- try-restart)
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- log_daemon_msg "Restarting Autossh for isuma" "autossh"
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- set +e
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- start-stop-daemon --stop --quiet --retry 30 --pidfile $PIDFILE
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- RET="$?"
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- set -e
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- case $RET in
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- 0)
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- # old daemon stopped
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- if start-stop-daemon --start --quiet --oknodo -b --pidfile $PIDFILE --make-pidfile --exec /usr/bin/autossh -- $AUTOSSH_ISUMA_OPTS; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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+ #reload|force-reload)
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+ #
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+ # If do_reload() is not implemented then leave this commented out
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+ # and leave 'force-reload' as an alias for 'restart'.
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+ #
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+ #log_daemon_msg "Reloading $DESC" "$NAME"
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+ #do_reload
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+ #log_end_msg $?
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+ #;;
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+ restart|force-reload)
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+ #
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+ # If the "reload" option is implemented then remove the
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+ # 'force-reload' alias
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+ #
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+ log_daemon_msg "Restarting $DESC" "$NAME"
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+ do_stop
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+ case "$?" in
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+ 0|1)
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+ do_start
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+ case "$?" in
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+ 0) log_end_msg 0 ;;
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+ 1) log_end_msg 1 ;; # Old process is still running
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+ *) log_end_msg 1 ;; # Failed to start
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+ esac
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;;
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- 1)
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- # daemon not running
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- log_progress_msg "(not running)"
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- log_end_msg 0
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- ;;
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- *)
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- # failed to stop
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- log_progress_msg "(failed to stop)"
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+ *)
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+ # Failed to stop
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log_end_msg 1
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;;
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esac
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;;
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-
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- status)
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- status_of_proc -p $PIDFILE /usr/sbin/autossh autossh && exit 0 || exit $?
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- ;;
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-
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*)
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- log_action_msg "Usage: /etc/init.d/isuma-autossh {start|stop|reload|force-reload|restart|try-restart|status}"
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- exit 1
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+ #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
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+ echo "Usage: $SCRIPTNAME {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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-exit 0
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+:
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