#! /bin/sh

set -e

. /lib/lsb/init-functions

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="BitTorrent tracker"
NAME=bttrack.bittorrent
DAEMON=/usr/bin/$NAME
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/bittorrent

# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0

PORT=6969
DFILE=/var/lib/bittorrent/bttrack.state

# Read config file if it is present.
if [ -r /etc/default/bittorrent ]
then
. /etc/default/bittorrent
fi

# Add optional option $1 with argument $2 to OPTS, if $2 is nonempty
add_opt () {
if ! test -z "$2" ; then
OPTS="$OPTS $1 $2"
fi
}

# Compose command-line arguments list for bttrack daemon, based on variables
# set in /etc/default/$NAME
OPTS=""
add_opt --dfile "$DFILE"
add_opt --port "$PORT"
add_opt --bind "$BIND"
add_opt --socket_timeout "$SOCKET_TIMEOUT"
add_opt --save_dfile_interval "$SAVE_DFILE_INTERVAL"
add_opt --timeout_downloaders_interval "$TIMEOUT_DOWNLOADERS_INTERVAL"
add_opt --reannounce_interval "$REANNOUNCE_INTERVAL"
add_opt --respose_size "$RESPONSE_SIZE"
add_opt --timeout_check_interval "$TIMEOUT_CHECK_INTERVAL"
add_opt --nat_check "$NAT_CHECK"
add_opt --min_time_between_log_flushes "$MIN_TIME_BETWEEN_LOG_FLUSHES"
add_opt --allowed_dir "$ALLOWED_DIR"
add_opt --parse_allowed_interval "$PARSE_ALLOWED_INTERVAL"
add_opt --show_names "$SHOW_NAMES"
DAEMONOPTS="$OPTS"

# Add arguments for start-stop-daemon, based on variables set in
# /etc/default/$NAME
OPTS=""
add_opt --chuid "$DAEMONUSER"
add_opt --chroot "$DAEMONCHROOT"
add_opt --chdir "$DAEMONCHDIR"
add_opt --nicelevel "$DAEMONNICE"
METAOPTS="$OPTS"

# Set log directory.  This takes some extra magic since the messages go through
# stdout.
if test -z "$DAEMONLOGFILE" ; then
DAEMONLOGFILE=/var/log/bttrack.bittorrent.log
fi

#
#Function that starts the daemon/service.
#
d_start() {
start-stop-daemon --start --background --quiet \
--make-pidfile --pidfile "$PIDFILE" \
$METAOPTS \
--exec $DAEMON -- $DAEMONOPTS >>"$DAEMONLOGFILE"
}

#
#Function that stops the daemon/service.
#
d_stop() {
start-stop-daemon --stop --quiet --pidfile "$PIDFILE"
}

case "$1" in
  start)
log_begin_msg "Starting $DESC: $NAME"
d_start
;;
  stop)
log_begin_msg "Stopping $DESC: $NAME"
d_stop
log_end_msg $?
;;
  restart|force-reload)
$0 stop
$0 start
log_end_msg $?
;;
  *)
N=/etc/init.d/${0##*/}
echo "Usage: $N {start|stop|restart|force-reload}" >&2
exit 1
;;
esac

exit 0
