#!/bin/ksh
# IBM_PROLOG_BEGIN_TAG 
# This is an automatically generated prolog. 
#  
#  
#  
# Licensed Materials - Property of IBM 
#  
# (C) COPYRIGHT International Business Machines Corp. 2004,2005 
# All Rights Reserved 
#  
# US Government Users Restricted Rights - Use, duplication or 
# disclosure restricted by GSA ADP Schedule Contract with IBM Corp. 
#  
# IBM_PROLOG_END_TAG 
# @(#)12 1.2 src/avs/fs/mmfs/ts/admin/mmdynamicmap.sh, mmfs, avs_rgpfs24, rgpfs240610b 4/4/05 10:44:21
#########################################################################
#
#  Usage:  mmdynamicmap Device
#
#########################################################################

# Include global declarations and service routines.
. /usr/lpp/mmfs/bin/mmglobfuncs
. /usr/lpp/mmfs/bin/mmsdrfsdef
. /usr/lpp/mmfs/bin/mmfsfuncs

sourceFile="mmdynamicmap.sh"
[[ -n $DEBUG || -n $DEBUGmmdynamicmap ]] && set -x
$mmTRACE_ENTER "$*"

# Local variables

usageMsg=34

######################
# Mainline processing
######################

######################################
# Process the command line arguments.
######################################
[[ $arg1 = '-?' || $arg1 = '-h' || $arg1 = '--help' || $arg1 = '--' ]] && \
  syntaxError "help" $usageMsg

[[ $argc -lt 1  ]] && \
  syntaxError "missingArgs" $usageMsg

# The first argument is always the file system name.
device=$arg1

[[ $argc -gt 1  ]] && \
  syntaxError "extraArg" $usageMsg $arg2


# Strip away any /dev/ prefix from the device id.
deviceName=${device##+(/)dev+(/)}
fqDeviceName="/dev/${deviceName}"

# Verify the device name.
if [[ $deviceName != ${deviceName#*/} ]]
then
  if [[ $deviceName = ${deviceName#/} ]]
  then
    printErrorMsg 170 $mmcmd $device
  else
    printErrorMsg 169 $mmcmd $device
  fi
  rc=22  # EINVAL
  cleanupAndExit $rc
fi


#####################################################################
# Set up trap exception handling and call the gpfsInit function.
# It will ensure that the local copy of the mmsdrfs and the rest
# of the GPFS system files are up-to-date.
#
# Note:  To avoid undesired side effects, tell gpfsInit to restrict
#        mount point checking only to the file system that is subject
#        to the current invocation of the mmdynamicmap command.
#####################################################################
trap pretrap2 HUP INT QUIT KILL
export MOUNT_POINT_CHECK="$deviceName"
gpfsInitOutput=$(gpfsInit nolock)
setGlobalVar $? $gpfsInitOutput
unset MOUNT_POINT_CHECK


######################################################
# Retrieve the mount information for the file system.
# If the device is not found, return 19 (ENODEV).
######################################################
efOptions=$($awk -F: '                                           \
   BEGIN {                                                       \
     { n = 0 }                                                   \
     { mountPoint = "" }                                         \
     { fsType     = "" }                                         \
   }                                                             \
   /':$SG_HEADR:$deviceName:'/ {                                 \
      if ( $'$FS_TYPE_Field' == "'$remotefs'" ) {                \
         { fsType = "remotefs" }                                 \
         { remoteDevName = $'$REMOTE_DEV_NAME_Field' }           \
      }                                                          \
      else {                                                     \
         { fsType = "localfs" }                                  \
      }                                                          \
   }                                                             \
   /':$SG_MOUNT:$deviceName:'/ {                                 \
      { printf $'$RW_OPT_Field' }                                \
      if ( $'$MTIME_OPT_Field' != "" ) {                         \
         { printf ","$'$MTIME_OPT_Field' }                       \
      }                                                          \
      if ( $'$ATIME_OPT_Field' != "" ) {                         \
         { printf ","$'$ATIME_OPT_Field' }                       \
      }                                                          \
      if ( $'$OTHER_OPT_Field' != "" ) {                         \
         { printf ","$'$OTHER_OPT_Field' }                       \
      }                                                          \
      if ( $'$QUOTA_OPT_Field' != "" ) {                         \
         { printf ",quota="$'$QUOTA_OPT_Field' }                 \
      }                                                          \
      if ( fsType == "remotefs" ) {                              \
         { printf ",dev="$'$NODESETID_Field'"\\:"remoteDevName } \
         { printf ",ldev='$deviceName'" }                        \
      }                                                          \
      else {                                                     \
         { printf ",dev='$deviceName'" }                         \
      }                                                          \
      { exit }                                                   \
   }                                                             \
   END {                                                         \
      if ( fsType == "" ) {                                      \
         # Filesystem not found - return ENODEV                  \
         { exit '$MM_DeviceNotFound' }                           \
      }                                                          \
      else {                                                     \
         # Filesystem found - finish the line.                   \
         { printf "\n" }                                         \
         { exit  0 }                                             \
      }                                                          \
   }                                                             \
 ' $mmsdrfsFile)
rc=$?
if [[ $rc -ne 0 || -z $efOptions ]]
then
  [[ $rc -eq  0 ]] && rc=1
  if [[ $rc -eq $MM_DeviceNotFound ]]
  then
    # File system not found.
    printErrorMsg 288 $mmcmd $device
  else
    # Unexpected error.
    checkForErrors awk $rc
  fi
  cleanupAndExit $rc
fi


#################################
# Put out the result and return.
#################################
print -- "-fstype=gpfs,$efOptions :$fqDeviceName"

cleanupAndExit 0