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 dbdir=${OVS_DBDIR-'@DBDIR@'} # /etc/openvswitch
26 # or /var/lib/openvswitch
27 sysconfdir=${OVS_SYSCONFDIR-'@sysconfdir@'} # /etc
28 etcdir=$sysconfdir/openvswitch # /etc/openvswitch
29 datadir=${OVS_PKGDATADIR-'@pkgdatadir@'} # /usr/share/openvswitch
30 bindir=${OVS_BINDIR-'@bindir@'} # /usr/bin
31 sbindir=${OVS_SBINDIR-'@sbindir@'} # /usr/sbin
35 LC_ALL=C; export LC_ALL
41 # Use the system's own implementations if it has any.
42 if test -e /etc/init.d/functions; then
43 . /etc/init.d/functions
44 elif test -e /etc/rc.d/init.d/functions; then
45 . /etc/rc.d/init.d/functions
46 elif test -e /lib/lsb/init-functions; then
47 . /lib/lsb/init-functions
50 # Implement missing functions (e.g. OpenSUSE lacks 'action').
51 if type log_success_msg >/dev/null 2>&1; then :; else
56 if type log_failure_msg >/dev/null 2>&1; then :; else
58 printf '%s ... failed!\n' "$*"
61 if type log_warning_msg >/dev/null 2>&1; then :; else
63 printf '%s ... (warning).\n' "$*"
66 if type action >/dev/null 2>&1; then :; else
73 log_success_msg "$STRING"
75 log_failure_msg "$STRING"
86 # This is better than "kill -0" because it doesn't require permission to
87 # send a signal (so daemon_status in particular works as non-root).
98 # drop core files in a sensible place
99 test -d "$DAEMON_CWD" || install -d -m 755 -o root -g root "$DAEMON_CWD"
104 test -d "$logdir" || install -d -m 755 -o root -g root "$logdir"
105 set "$@" --log-file="$logdir/$daemon.log"
107 # pidfile and monitoring
108 test -d "$rundir" || install -d -m 755 -o root -g root "$rundir"
109 set "$@" --pidfile="$rundir/$daemon.pid"
110 set "$@" --detach --monitor
115 if (valgrind --version) > /dev/null 2>&1; then
116 set valgrind -q --leak-check=full --time-stamp=yes \
117 --log-file="$logdir/$daemon.valgrind.log.%p" "$@"
119 log_failure_msg "valgrind not installed, running $daemon without it"
123 if (strace -V) > /dev/null 2>&1; then
124 strace="strace -tt -T -s 256 -ff"
125 if (strace -DV) > /dev/null 2>&1; then
127 set $strace -D -o "$logdir/$daemon.strace.log" "$@"
131 log_failure_msg "strace not installed, running $daemon without it"
137 log_failure_msg "unknown wrapper $wrapper, running $daemon without it"
142 if test X"$priority" != X; then
143 set nice -n "$priority" "$@"
146 action "Starting $daemon" "$@"
148 if test X"$strace" != X; then
149 # Strace doesn't have the -D option so we attach after the fact.
150 setsid $strace -o "$logdir/$daemon.strace.log" \
151 -p `cat $rundir/$daemon.pid` > /dev/null 2>&1 &
157 if test -e "$rundir/$1.pid"; then
158 if pid=`cat "$rundir/$1.pid"`; then
159 for action in TERM .1 .25 .65 1 1 1 1 KILL 1 1 1 1 FAIL; do
162 action "Killing $1 ($pid)" kill $pid
165 action "Killing $1 ($pid) with SIGKILL" kill -9 $pid
168 log_failure_msg "Killing $1 ($pid) failed"
172 if pid_exists $pid >/dev/null 2>&1; then
182 log_success_msg "$1 is not running"
186 pidfile=$rundir/$1.pid
187 if test -e "$pidfile"; then
188 if pid=`cat "$pidfile"`; then
189 if pid_exists "$pid"; then
190 echo "$1 is running with pid $pid"
193 echo "Pidfile for $1 ($pidfile) is stale"
196 echo "Pidfile for $1 ($pidfile) exists but cannot be read"
199 echo "$1 is not running"
204 daemon_is_running () {
205 pidfile=$rundir/$1.pid
206 test -e "$pidfile" && pid=`cat "$pidfile"` && pid_exists "$pid"