#!/bin/sh

# RelayTransfer.sh
# Thu Apr  3 09:50:21 PST 2008
# Chieh Cheng
# http://www.CynosureX.com/

# GNU General Public License (GPL) Version 2, June 1991

  scriptDir=`dirname "$0"`
  scriptName=`basename "$0"`

  usage ()
  {
    echo "  Usage:   $scriptName \"[USER@]HOST:SRC\" \"[USER@]HOST:DEST\" \"[USER@]Relay Host\""
  }

if [ $# -eq 3 ]
then
  src="$1"
  dest="$2"
  relayHost="$3"

  tempDir=`GetTempDirPath.ksh "${scriptName}" ".tmp" .`

  cp "${scriptDir}/GetTempDirPath.ksh" "${tempDir}"
  cp "${scriptDir}/GetTempPathName.ksh" "${tempDir}"
  cp "${scriptDir}/TransferBroker.sh" "${tempDir}"

  echo "Setting up relay host (${relayHost}) with RelayTransfer files . . ."
  scp -pr "${tempDir}" "${relayHost}:"

  echo "Initiating transfer on relay host (${relayHost}) . . ."
  ssh "${relayHost}" "${tempDir}/TransferBroker.sh \"${src}\" \"${dest}\" ; rm -r \"${tempDir}\""

  # In case the directory is network mounted and shared between
  # multiple hosts; don't delete it if it's not there.
  if [ -d "${tempDir}" ]
  then
    rm -r "${tempDir}"
  fi
else
  usage
fi