#!/bin/sh
#
# unitd              NGINX Unit
#
### BEGIN INIT INFO
# Provides:          unitd
# Required-Start:    $network $remote_fs
# Required-Stop:     $network $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: NGINX Unit
# Description:       NGINX Unit
### END INIT INFO
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/unitd
NAME=unitd
DESC=unitd
CONFIG=/etc/unit/config

[ -r /etc/default/${NAME} ] && . /etc/default/${NAME}

if [ -n "$2" ]; then
    CONFIG=$2
fi

#includes lsb functions
. /lib/lsb/init-functions

test -f $DAEMON || exit 0

umask 022

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

case "$1" in
    start)
       	log_daemon_msg "Starting $DESC" "$NAME"
        if start-stop-daemon --start --quiet --pidfile /run/$NAME.pid \
                --exec $DAEMON -- $DAEMON_ARGS; then
                log_end_msg 0
        else
                log_end_msg 1
        fi
        ;;
    status)
        status_of_proc -p "$PIDFILE" "$DAEMON" "$NAME" && exit 0 || exit $?
        ;;
    stop)
        log_daemon_msg "Stopping $DESC" "$NAME"
        if start-stop-daemon --oknodo --stop --quiet --pidfile /var/run/$NAME.pid \
                --exec $DAEMON; then
                log_end_msg 0
        else
                log_end_msg 1
        fi
        ;;
   reload|force-reload)
        echo "Not implemented." >&2
        exit 1
        ;;
    restart)
        log_action_begin_msg "Restarting $DESC" "$NAME"

        start-stop-daemon --stop --quiet --pidfile \
                /var/run/$NAME.pid --exec $DAEMON || true
        sleep 1
        if start-stop-daemon --start --quiet --pidfile \
                /var/run/$NAME.pid --exec $DAEMON -- $DAEMON_ARGS; then
                log_end_msg 0
        else
                log_end_msg 1
        fi
        ;;
    saveconfig)
	curl -sS --unix-socket /var/run/control.unit.sock localhost >${CONFIG}.new
        if [ $? -ne 0 ]; then
            echo "Could not retreive configuration" >&2
            rm -f ${CONFIG}.new
            exit 1
        fi
        mv ${CONFIG}.new ${CONFIG}
        echo "The following configuration has been saved to ${CONFIG}:"
        cat ${CONFIG}
        ;;
   loadconfig)
        if [ ! -e ${CONFIG} ]; then
            echo "Could not find ${CONFIG} for loading" >&2
            exit 1
        fi
        echo "Loading configuration from ${CONFIG}..."
	curl -sS -X PUT --data-binary @${CONFIG} --unix-socket /var/run/control.unit.sock localhost
        if [ $? -ne 0 ]; then
            echo "Loading failed!" >&2
            exit 1
        fi
        ;;
    *)
        echo "Usage: /etc/init.d/$NAME {start|status|stop|restart|reload|force-reload|saveconfig|loadconfig}" >&2
        exit 1
        ;;
esac

exit 0