#! /bin/sh
#
# Copyright (C) 2011 Nicira Networks, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
### BEGIN INIT INFO
# Provides:          openvswitch-switch
# Required-Start:    $network $named $remote_fs $syslog
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Open vSwitch switch
### END INIT INFO

(test -x /usr/sbin/ovs-vswitchd && test -x /usr/bin/ovsdb-server) || exit 0

set -e

test -e /etc/default/openvswitch-switch && . /etc/default/openvswitch-switch

ovs_ctl=/usr/share/openvswitch/scripts/ovs-ctl
case $1 in
    start)
	set $ovs_ctl start --system-id=random
	if test X"$FORCE_COREFILES" != X; then
	    set "$@" --force-corefiles="$FORCE_COREFILES"
	fi

	# Allow GRE traffic.
        test ! -x /sbin/iptables || /sbin/iptables -I INPUT -p gre -j ACCEPT

	"$@"
        ;;
    stop | force-stop)
        $ovs_ctl stop
        ;;
    reload | force-reload)
        # The OVS daemons keep up-to-date.
        ;;
    restart)
        $0 stop || true
        $0 start
        ;;
    status)
        $ovs_ctl status
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|force-reload|status|force-stop}" >&2
        exit 1
        ;;
esac

exit 0