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

checkconfig() {
  local piddir=$(dirname ${PVFS2_PIDFILE})
  if [ ! -d "${piddir}" ]; then
    mkdir -p ${piddir} || return 1
  fi

  # verify presence of server binary
  if ! [ -x ${PVFS2SERVER} ]; then
	  eerror "Error: could not find executable ${PVFS2SERVER}"
  	return 1
  fi

  # look for fs conf
  if [ -n "${PVFS2_FS_CONF}" ]; then
    PVFS2_FS_CONF="${PVFS2_CONF_PATH}/${PVFS2_FS_CONF}"
  else
    PVFS2_FS_CONF=${PVFS2_CONF_PATH}/pvfs2-fs.conf
  fi
  
  if ! [ -r ${PVFS2_FS_CONF} ]; then
  	eerror "Error: could not read ${PVFS2_FS_CONF}"
  	return 1
  fi

  # look for server conf
  if [ -n "${PVFS2_SERVER_CONF_BASE}" ]; then 
  	local myhost=$(hostname -f | cut -d '.' -f 1)
  	if [ "${myhost}" == "localhost" ]; then
  		ewarn "Warning: detected hostname as localhost, may confuse PVFS2 startup"
    fi
	  PVFS2_SERVER_CONF="${PVFS2_CONF_PATH}/${PVFS2_SERVER_CONF_BASE}-${myhost}"
  elif [ -n "${PVFS2_SERVER_CONF}" ]; then
    PVFS2_SERVER_CONF="${PVFS2_CONF_PATH}/${PVFS2_SERVER_CONF}"
  else
    PVFS2_SERVER_CONF="${PVFS2_CONF_PATH}/pvfs2-server.conf"
  fi

  if ! [ -r ${PVFS2_SERVER_CONF} ]; then
	  eerror "Error: could not read ${PVFS2_SERVER_CONF}"
	  return 1
  fi
}

depend() {
	after localmount netmount nfsmount dns
	use net
}



start() {
  ebegin "Starting PVFS2 server"
  local rc
  checkconfig || return 1

	start-stop-daemon -b --start  --quiet \
		--pidfile ${PVFS2_PIDFILE} \
		--exec ${PVFS2SERVER} -- -p ${PVFS2_PIDFILE} ${PVFS2_OPTIONS} \
		${PVFS2_FS_CONF} ${PVFS2_SERVER_CONF}
  rc=$?
  # Optionally force pvfs2-server to generate the pvfs2 filesystem.
  if [[ $PVFS2_AUTO_MKFS -ne 0 ]]; then
    local test_pid
    sleep 1
    test_pid=$(pidof pvfs2-server)
    if [ -z "$test_pid" ] || [ ! -f ${PVFS2_PIDFILE} ] || [[ $test_pid -ne `cat ${PVFS2_PIDFILE}` ]]; then
      rm -f ${PVFS2_PIDFILE} &>/dev/null
      ewarn "Initializing the file system storage with --mkfs"
      ${PVFS2SERVER}  --mkfs ${PVFS2_FS_CONF} ${PVFS2_SERVER_CONF}
      rc=$?
      if [[ $rc -ne 0 ]]; then
        eerror "Failed to initialize the filesystem storage with --mkfs"
        eend ${rc}
        return 1
      fi
    	start-stop-daemon -b --start  --quiet \
    		--pidfile ${PVFS2_PIDFILE} \
    		--exec ${PVFS2SERVER} -- -p ${PVFS2_PIDFILE} ${PVFS2_OPTIONS} \
		${PVFS2_FS_CONF} ${PVFS2_SERVER_CONF}
      rc=$?
    fi
  fi
  
  if [[ $rc -ne 0 ]]; then
    eend $rc "Error starting PVFS2 server"
    return 1
  else
    eend 0
    return 0
  fi
}

stop() {
	ebegin "Stopping PVFS2 server"
	start-stop-daemon --stop  --quiet --pidfile ${PVFS2_PIDFILE}
	eend $? "Error stopping PVFS2 server"
}

restart() {
  svc_stop
  sleep 2
  svc_start
}