netdev-dpdk: fix mbuf leaks
[cascardo/ovs.git] / debian / openvswitch-switch.init
1 #! /bin/sh
2 #
3 # Copyright (C) 2011, 2012 Nicira, Inc.
4 #
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at:
8 #
9 #     http://www.apache.org/licenses/LICENSE-2.0
10 #
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
16 #
17 ### BEGIN INIT INFO
18 # Provides:          openvswitch-switch
19 # Required-Start:    $network $named $remote_fs $syslog
20 # Required-Stop:     $remote_fs
21 # Default-Start:     2 3 4 5
22 # Default-Stop:      0 1 6
23 # Short-Description: Open vSwitch switch
24 # Description:       openvswitch-switch provides the userspace components and utilities for
25 #                    the Open vSwitch kernel-based switch.
26 ### END INIT INFO
27
28 (test -x /usr/sbin/ovs-vswitchd && test -x /usr/sbin/ovsdb-server) || exit 0
29
30 _SYSTEMCTL_SKIP_REDIRECT=yes
31
32 . /usr/share/openvswitch/scripts/ovs-lib
33 test -e /etc/default/openvswitch-switch && . /etc/default/openvswitch-switch
34
35 network_interfaces () {
36     INTERFACES="/etc/network/interfaces"
37     [ -e "${INTERFACES}" ] || return
38     bridges=`ifquery --allow ovs --list`
39     [ -n "${bridges}" ] && $1 --allow=ovs ${bridges}
40 }
41
42 load_kmod () {
43     ovs_ctl load-kmod || exit $?
44 }
45
46 start () {
47     if ovs_ctl load-kmod; then
48         :
49     else
50         echo "Module has probably not been built for this kernel."
51         if ! test -d /usr/share/doc/openvswitch-datapath-source; then
52             echo "Install the openvswitch-datapath-source package, then read"
53         else
54             echo "For instructions, read"
55         fi
56         echo "/usr/share/doc/openvswitch-datapath-source/README.Debian"
57
58         if test X"$OVS_MISSING_KMOD_OK" = Xyes; then
59             # We're being invoked by the package postinst.  Do not
60             # fail package installation just because the kernel module
61             # is not available.
62             exit 0
63         fi
64     fi
65     set ovs_ctl ${1-start} --system-id=random
66     if test X"$FORCE_COREFILES" != X; then
67         set "$@" --force-corefiles="$FORCE_COREFILES"
68     fi
69     set "$@" $OVS_CTL_OPTS
70     "$@" || exit $?
71     if [ "$2" = "start" ] && [ "$READ_INTERFACES" != "no" ]; then
72         network_interfaces ifup
73     fi
74 }
75
76 stop () {
77     [ "$READ_INTERFACES" != "no" ] && network_interfaces ifdown
78     ovs_ctl stop
79 }
80
81 restart () {
82     # OVS_FORCE_RELOAD_KMOD can be set by package postinst script.
83     if [ "$1" = "--save-flows=yes" ] || \
84         [ "${OVS_FORCE_RELOAD_KMOD}" = "no" ]; then
85         start restart
86     elif [ "${OVS_FORCE_RELOAD_KMOD}" = "yes" ]; then
87         depmod -a
88
89         if [ -e /sys/module/openvswitch ]; then
90             LOADED_SRCVERSION=`cat /sys/module/openvswitch/srcversion \
91                                2>/dev/null`
92             LOADED_VERSION=`cat /sys/module/openvswitch/version \
93                             2>/dev/null`
94         elif [ -e /sys/module/openvswitch_mod ]; then
95             LOADED_SRCVERSION=`cat /sys/module/openvswitch_mod/srcversion \
96                                2>/dev/null`
97             LOADED_VERSION=`cat /sys/module/openvswitch_mod/version \
98                             2>/dev/null`
99         fi
100         SRCVERSION=`modinfo -F srcversion openvswitch 2>/dev/null`
101         VERSION=`modinfo -F version openvswitch 2>/dev/null`
102
103         ovs_ctl_log "Package upgrading:\n"\
104                     "Loaded version: ${LOADED_VERSION} ${LOADED_SRCVERSION}.\n"\
105                     "Version on disk: ${VERSION} ${SRCVERSION}."
106
107         # If the kernel module was previously loaded and it is different than
108         # the kernel module on disk, then do a 'force-reload-kmod'.
109         if [ -n "${LOADED_SRCVERSION}" ] && [ -n "${SRCVERSION}" ] && \
110             [ "${SRCVERSION}" != "${LOADED_SRCVERSION}" ]; then
111             start force-reload-kmod
112         else
113             start restart
114         fi
115     else
116         READ_INTERFACES="no" stop
117         READ_INTERFACES="no" start
118     fi
119 }
120
121 case $1 in
122     start)
123         start
124         ;;
125     stop | force-stop)
126         stop
127         ;;
128     reload | force-reload)
129         # The OVS daemons keep up-to-date.
130         ;;
131     restart)
132         shift
133         restart "$@"
134         ;;
135     status)
136         ovs_ctl status
137         exit $?
138         ;;
139     force-reload-kmod)
140         start force-reload-kmod
141         ;;
142     load-kmod)
143         load_kmod
144         ;;
145     *)
146         echo "Usage: $0 {start|stop|restart|force-reload|status|force-stop|force-reload-kmod|load-kmod}" >&2
147         exit 1
148         ;;
149 esac
150
151 exit 0