#! /bin/sh

### BEGIN INIT INFO
# Provides:          rsyncd
# Required-Start:    $network
# Required-Stop:     $syslog
# Should-Start:      $named $syslog
# Should-Stop:       $syslog network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: fast remote file copy program daemon
# Description:       rsync is a program that allows files to be copied to and
#                    from remote machines in much the same way as rcp.
#                    This provides rsyncd daemon functionality.
### END INIT INFO

set -e

# /etc/init.d/rsync: start and stop the rsync daemon

DAEMON=/usr/bin/rsync
RSYNC_OPTS=""
RSYNC_CONFIG_FILE="/etc/rsyncd.conf"
RSYNC_NICE_PARM=""

test -x $DAEMON || exit 0

if [ ! -f $RSYNC_CONFIG_FILE ]
then
    exit 1
else
    . /lib/lsb/init-functions
    START_RSYNCD=`grep '^START_RSYNCD=' ${RSYNC_CONFIG_FILE}`
    RSYNC_NICE=`grep '^RSYNC_NICE=' ${RSYNC_CONFIG_FILE} | sed 's/RSYNC_NICE=//' | sed 's/\"//g'`
fi

case "$START_RSYNCD" in
    *\=?T*|*\=?t*) START_RSYNCD=true  ;;
    *)             START_RSYNCD=false ;;
esac

case "x$RSYNC_NICE" in
    x[0-9])         RSYNC_NICE_PARM="--nicelevel $RSYNC_NICE";;
    x[1-9][0-9])    RSYNC_NICE_PARM="--nicelevel $RSYNC_NICE";;
    x)              ;;
    *)              ;;
esac


export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"

case "$1" in
    start)
        if $START_RSYNCD
        then
            log_daemon_msg "Starting rsync daemon" "rsync"
            if [ -s /var/run/rsync.pid ] && kill -0 $(cat /var/run/rsync.pid) >/dev/null 2>&1
            then
                log_progress_msg "apparently already running"
                log_end_msg 0
                exit 0
            fi
            if [ ! -s "$RSYNC_CONFIG_FILE" ]
            then
                log_failure_msg "missing or empty config file $RSYNC_CONFIG_FILE"
                log_end_msg 1
                exit 1
            fi
            start-stop-daemon --start --quiet --background --pidfile /var/run/rsync.pid --make-pidfile \
                $RSYNC_NICE_PARM --exec /usr/bin/rsync \
                -- --no-detach --daemon --config "$RSYNC_CONFIG_FILE" $RSYNC_OPTS
            log_end_msg $?
        else
            if [ -s "$RSYNC_CONFIG_FILE" ]
            then
                [ "$VERBOSE" != no ] && log_warning_msg "rsync daemon not enabled in /etc/rsync.conf, not starting..."
            fi
        fi
        ;;
    stop)
        log_daemon_msg "Stopping rsync daemon" "rsync"
        start-stop-daemon --stop --quiet --oknodo --pidfile /var/run/rsync.pid
        log_end_msg $?
        rm -f /var/run/rsync.pid
        ;;
    status)
        if start-stop-daemon --start --test --pidfile /var/run/rsync.pid --name rsync --startas $DAEMON >/dev/null
        then
            log_action_msg "Rsync is not running"
            exit 1
        else
            npid=`cat /var/run/rsync.pid`
            log_action_msg "Rsync is running with pid $npid"
        fi
        ;;
    reload|force-reload)
        log_warning_msg "Reloading rsync daemon: not needed, as the daemon"
        log_warning_msg "re-reads the config file whenever a client connects."
        ;;
    restart)
        set +e
        if $START_RSYNCD
        then
            log_daemon_msg "Restarting rsync daemon" "rsync"
            if [ -s /var/run/rsync.pid ] && kill -0 $(cat /var/run/rsync.pid) >/dev/null 2>&1
            then
                start-stop-daemon --stop --quiet --oknodo --pidfile /var/run/rsync.pid || true
                sleep 1
            else
                rm -f /var/run/rsync.pid
            fi
            if start-stop-daemon --start --quiet --background --pidfile /var/run/rsync.pid --make-pidfile \
                $RSYNC_NICE_PARM --exec /usr/bin/rsync \
                -- --no-detach --daemon --config "$RSYNC_CONFIG_FILE" $RSYNC_OPTS
            then
                log_end_msg 0
            else
                log_end_msg 1
                rm -f /var/run/rsync.pid
            fi
        else
            [ "$VERBOSE" != no ] && log_warning_msg "rsync daemon not enabled in /etc/default/rsync, not starting..."
        fi
      ;;
  *)
      log_action_msg "Usage: /etc/init.d/rsync {start|stop|reload|force-reload|restart}"
    exit 1
    ;;
esac

exit 0