nfv/guest-comm/host-guest-comm-2.0/scripts/host_agent

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#!/bin/sh
#
# Copyright(c) 2013-2016, Wind River Systems, Inc. All rights reserved.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Wind River Systems nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
DAEMON=/usr/sbin/host_agent
NAME=host_agent
DESC="agent to communicate with guest"
ARGS=
PIDFILE=/var/run/host_agent.pid
test -f $DAEMON || exit 0
case "$1" in
start)
echo -n "starting $DESC: $NAME... "
test -d /var/lib/misc/ || mkdir /var/lib/misc/
start-stop-daemon -S -m -b -x $DAEMON --pidfile=$PIDFILE -- $ARGS
echo "done."
;;
stop)
echo -n "stopping $DESC: $NAME... "
start-stop-daemon -K -x $DAEMON --pidfile=$PIDFILE
echo "done."
;;
status)
echo -n "$NAME "
start-stop-daemon -q -K -t -x $DAEMON --pidfile=$PIDFILE
RET=$?
if [ "$RET" = "0" ]; then
PID=`cat $PIDFILE`
echo "($PID) is running"
else
echo "is not running"
# For lsb compliance return 3 if process not running
exit 3
fi
;;
restart)
echo "restarting $DESC: $NAME... "
$0 stop
$0 start
echo "done."
;;
*)
echo "Usage: $0 {start|stop|status|restart}"
exit 1
;;
esac
exit 0