#!/sbin/runscript
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $


depend() {
  need net
  need localmount
  before pbs_mom
  after pvfs2-server
}

checkconfig() {
  if [ ! -x "${PVFS2_CLIENT}" ] || [ ! -x "${PVFS2_CLIENT_CORE}" ]; then
    eend 1 "pvfs-2 was not correctly installed."
    return 1
  fi

  if [ ! -d "${PVFS2_MOUNTPOINT}" ]; then
    ewarn "Creating ${PVFS2_MOUNTPOINT}"
    mkdir -p ${PVFS2_MOUNTPOINT} || return 1
  fi

  local piddir=$(dirname ${PVFS2_CLIENT_PIDFILE})
  if [ ! -d "${piddir}" ]; then
    ewarn "Creating ${piddir}"
    mkdir -p ${piddir} || return 1
  fi

  return 0
}


start() {
  ebegin "Starting pvfs2-client"
  local rc=0

  [ -n "$(lsmod | egrep '^pvfs2 ')" ] || modprobe pvfs2 
  if [[ $? -ne 0 ]]; then
    eend 1 "Failed to load the pvfs2 module"
    return 1
  fi

  # -f so start-stop-daemon can snag the pid. 
  start-stop-daemon --start -q -b -m -p ${PVFS2_CLIENT_PIDFILE} \
    --exec ${PVFS2_CLIENT} -- -f -p ${PVFS2_CLIENT_CORE} ${PVFS2_CLIENT_ARGS}
  rc=$?

  if [[ $rc -ne 0 ]]; then
    eend ${rc} "Failed to run pvfs2-client"
    return ${rc} 
  fi

  mount -t pvfs2 tcp://${PVFS2_SERVER_HOST}:3334/pvfs2-fs ${PVFS2_MOUNTPOINT}
  rc=$?
  if [[ $rc -ne 0 ]]; then
    eend 1 "Failed to mount the pvfs2 filesystem on /pfs"
    return 1
  fi
  
  eend ${rc}
}

stop() {
  ebegin "Stopping pvfs2-client"
  if [ -n "$(mount | awk '{print $3}' | grep ${PVFS2_MOUNTPOINT})" ]; then
    umount -f ${PVFS2_MOUNTPOINT}
  fi

  start-stop-daemon --stop -p ${PVFS2_CLIENT_PIDFILE} 

  modprobe -r pvfs2 

  eend $?

}