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
42 LC_ALL=C; export LC_ALL
48 # Use the system's own implementations if it has any.
49 if test -e /etc/init.d/functions; then
50 . /etc/init.d/functions
51 elif test -e /etc/rc.d/init.d/functions; then
52 . /etc/rc.d/init.d/functions
53 elif test -e /lib/lsb/init-functions; then
54 . /lib/lsb/init-functions
57 # Implement missing functions (e.g. OpenSUSE lacks 'action').
58 if type log_success_msg >/dev/null 2>&1; then :; else
63 if type log_failure_msg >/dev/null 2>&1; then :; else
65 printf '%s ... failed!\n' "$*"
68 if type log_warning_msg >/dev/null 2>&1; then :; else
70 printf '%s ... (warning).\n' "$*"
73 if type action >/dev/null 2>&1; then :; else
80 log_success_msg "$STRING"
82 log_failure_msg "$STRING"
93 # This is better than "kill -0" because it doesn't require permission to
94 # send a signal (so daemon_status in particular works as non-root).
105 # drop core files in a sensible place
106 test -d "$DAEMON_CWD" || install -d -m 755 -o root -g root "$DAEMON_CWD"
111 test -d "$logdir" || install -d -m 755 -o root -g root "$logdir"
112 set "$@" --log-file="$logdir/$daemon.log"
114 # pidfile and monitoring
115 test -d "$rundir" || install -d -m 755 -o root -g root "$rundir"
116 set "$@" --pidfile="$rundir/$daemon.pid"
117 set "$@" --detach --monitor
122 if (valgrind --version) > /dev/null 2>&1; then
123 set valgrind -q --leak-check=full --time-stamp=yes \
124 --log-file="$logdir/$daemon.valgrind.log.%p" "$@"
126 log_failure_msg "valgrind not installed, running $daemon without it"
130 if (strace -V) > /dev/null 2>&1; then
131 strace="strace -tt -T -s 256 -ff"
132 if (strace -DV) > /dev/null 2>&1; then
134 set $strace -D -o "$logdir/$daemon.strace.log" "$@"
138 log_failure_msg "strace not installed, running $daemon without it"
144 log_failure_msg "unknown wrapper $wrapper, running $daemon without it"
149 if test X"$priority" != X; then
150 set nice -n "$priority" "$@"
153 action "Starting $daemon" "$@"
155 if test X"$strace" != X; then
156 # Strace doesn't have the -D option so we attach after the fact.
157 setsid $strace -o "$logdir/$daemon.strace.log" \
158 -p `cat $rundir/$daemon.pid` > /dev/null 2>&1 &
164 if test -e "$rundir/$1.pid"; then
165 if pid=`cat "$rundir/$1.pid"`; then
166 for action in TERM .1 .25 .65 1 1 1 1 KILL 1 1 1 1 FAIL; do
169 action "Killing $1 ($pid)" kill $pid
172 action "Killing $1 ($pid) with SIGKILL" kill -9 $pid
175 log_failure_msg "Killing $1 ($pid) failed"
179 if pid_exists $pid >/dev/null 2>&1; then
189 log_success_msg "$1 is not running"
193 pidfile=$rundir/$1.pid
194 if test -e "$pidfile"; then
195 if pid=`cat "$pidfile"`; then
196 if pid_exists "$pid"; then
197 echo "$1 is running with pid $pid"
200 echo "Pidfile for $1 ($pidfile) is stale"
203 echo "Pidfile for $1 ($pidfile) exists but cannot be read"
206 echo "$1 is not running"
211 daemon_is_running () {
212 pidfile=$rundir/$1.pid
213 test -e "$pidfile" && pid=`cat "$pidfile"` && pid_exists "$pid"