1 # This is a shell function library sourced by some Open vSwitch scripts.
2 # It is not intended to be invoked on its own.
4 # Copyright (C) 2009, 2010, 2011, 2012 Nicira, Inc.
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at:
10 # http://www.apache.org/licenses/LICENSE-2.0
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
18 ## ----------------- ##
19 ## configure options ##
20 ## ----------------- ##
22 # All of these should be substituted by the Makefile at build time.
23 logdir=${OVS_LOGDIR-'@LOGDIR@'} # /var/log/openvswitch
24 rundir=${OVS_RUNDIR-'@RUNDIR@'} # /var/run/openvswitch
25 sysconfdir=${OVS_SYSCONFDIR-'@sysconfdir@'} # /etc
26 etcdir=$sysconfdir/openvswitch # /etc/openvswitch
27 datadir=${OVS_PKGDATADIR-'@pkgdatadir@'} # /usr/share/openvswitch
28 bindir=${OVS_BINDIR-'@bindir@'} # /usr/bin
29 sbindir=${OVS_SBINDIR-'@sbindir@'} # /usr/sbin
31 # /etc/openvswitch or /var/lib/openvswitch
32 if test X"$OVS_DBDIR" != X; then
34 elif test X"$OVS_SYSCONFDIR" != X; then
35 dbdir=$OVS_SYSCONFDIR/openvswitch
44 LC_ALL=C; export LC_ALL
50 # Use the system's own implementations if it has any.
51 if test -e /etc/init.d/functions; then
52 . /etc/init.d/functions
53 elif test -e /etc/rc.d/init.d/functions; then
54 . /etc/rc.d/init.d/functions
55 elif test -e /lib/lsb/init-functions; then
56 . /lib/lsb/init-functions
59 # Implement missing functions (e.g. OpenSUSE lacks 'action').
60 if type log_success_msg >/dev/null 2>&1; then :; else
65 if type log_failure_msg >/dev/null 2>&1; then :; else
67 printf '%s ... failed!\n' "$*"
70 if type log_warning_msg >/dev/null 2>&1; then :; else
72 printf '%s ... (warning).\n' "$*"
75 if type action >/dev/null 2>&1; then :; else
82 log_success_msg "$STRING"
84 log_failure_msg "$STRING"
95 # This is better than "kill -0" because it doesn't require permission to
96 # send a signal (so daemon_status in particular works as non-root).
107 # drop core files in a sensible place
108 test -d "$DAEMON_CWD" || install -d -m 755 -o root -g root "$DAEMON_CWD"
113 test -d "$logdir" || install -d -m 755 -o root -g root "$logdir"
114 set "$@" --log-file="$logdir/$daemon.log"
116 # pidfile and monitoring
117 test -d "$rundir" || install -d -m 755 -o root -g root "$rundir"
118 set "$@" --pidfile="$rundir/$daemon.pid"
119 set "$@" --detach --monitor
124 if (valgrind --version) > /dev/null 2>&1; then
125 set valgrind -q --leak-check=full --time-stamp=yes \
126 --log-file="$logdir/$daemon.valgrind.log.%p" "$@"
128 log_failure_msg "valgrind not installed, running $daemon without it"
132 if (strace -V) > /dev/null 2>&1; then
133 strace="strace -tt -T -s 256 -ff"
134 if (strace -DV) > /dev/null 2>&1; then
136 set $strace -D -o "$logdir/$daemon.strace.log" "$@"
140 log_failure_msg "strace not installed, running $daemon without it"
144 set env MALLOC_CHECK_=2 MALLOC_PERTURB_=165 "$@"
149 log_failure_msg "unknown wrapper $wrapper, running $daemon without it"
154 if test X"$priority" != X; then
155 set nice -n "$priority" "$@"
158 action "Starting $daemon" "$@"
160 if test X"$strace" != X; then
161 # Strace doesn't have the -D option so we attach after the fact.
162 setsid $strace -o "$logdir/$daemon.strace.log" \
163 -p `cat $rundir/$daemon.pid` > /dev/null 2>&1 &
168 if test -e "$rundir/$1.pid"; then
169 if pid=`cat "$rundir/$1.pid"`; then
170 for action in TERM .1 .25 .65 1 1 1 1 KILL 1 1 1 1 FAIL; do
173 action "Killing $1 ($pid)" kill $pid
176 action "Killing $1 ($pid) with SIGKILL" kill -9 $pid
179 log_failure_msg "Killing $1 ($pid) failed"
183 if pid_exists $pid >/dev/null 2>&1; then
193 log_success_msg "$1 is not running"
197 pidfile=$rundir/$1.pid
198 if test -e "$pidfile"; then
199 if pid=`cat "$pidfile"`; then
200 if pid_exists "$pid"; then
201 echo "$1 is running with pid $pid"
204 echo "Pidfile for $1 ($pidfile) is stale"
207 echo "Pidfile for $1 ($pidfile) exists but cannot be read"
210 echo "$1 is not running"
215 daemon_is_running () {
216 pidfile=$rundir/$1.pid
217 test -e "$pidfile" && pid=`cat "$pidfile"` && pid_exists "$pid"