#!/bin/bash
#
# chkconfig:    345 31 69
# description:  QEMU Inter-VM shared memory server
#
### BEGIN INIT INFO
# Provides:          ivshmem ivshmem-server
# Required-Start:    $syslog $remote_fs
# Required-Stop:     $syslog $remote_fs
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: QEMU Inter-VM shared memory server
# Description:       QEMU Inter-VM shared memory server
### END INIT INFO

IVSMSERVER_BIN=/usr/bin/ivshmem-server
IVSMSERVER_PID=/var/run/ivshmem-server.pid

if [ -r /etc/rc.status ]
then
  source /etc/rc.status
  START="/sbin/startproc"
  STATUS="/sbin/checkproc"
  SUCCESS="echo \$rc_done"
  FAILURE="echo \$rc_failed"
else
  source /etc/rc.d/init.d/functions
  START="daemon"
  STATUS="status"
  SUCCESS="success; echo"
  FAILURE="failure; echo"
fi

[ -r /etc/sysconfig/ivshmem ] && source /etc/sysconfig/ivshmem

RETVAL=0

case "$1" in
  start)
    echo -n "Starting QEMU Inter-VM shared memory server: "
    ${START} ${IVSMSERVER_BIN} -p ${IVSMSERVER_PID} -S ${IVSM_SOCKET:-/tmp/ivshmem_socket} -l ${IVSM_SHMSIZE:-4194304} -n ${IVSM_VECTORS:-1} 2> /dev/null
    RETVAL=$?
    ;;
  stop)
    echo -n "Stopping QEMU Inter-VM shared memory server: "
    killproc -p ${IVSMSERVER_PID} ${IVSMSERVER_BIN} 2> /dev/null
    RETVAL=$?
    ;;
  restart)
    $0 stop
    $0 start
    unset RETVAL
    ;;
  reload)
    echo -n "Reloading configuration of QEMU Inter-VM shared memory server: "
    killproc -p ${IVSMSERVER_PID} -HUP ${IVSMSERVER_BIN} 2> /dev/null
    RETVAL=$?
    ;;
  status)
    echo -n "Status of QEMU Inter-VM shared memory server: "
    ${STATUS} ${IVSMSERVER_BIN} > /dev/null 2>&1
    RETVAL=$?
    ;;
  *)
    echo "Usage: $0 {start|stop|status|restart|reload}"
    exit 1
    ;;
esac
[ -z ${RETVAL} ] && exit
[ ${RETVAL} -eq 0 ] && eval "${SUCCESS}" || eval "${FAILURE}"
exit ${RETVAL}
