#!/bin/sh
#
# ========================================================================
#
# *
# * This file is part of MARS, the MAGIC Analysis and Reconstruction
# * Software. It is distributed to you in the hope that it can be a useful
# * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
# * It is distributed WITHOUT ANY WARRANTY.
# *
# * Permission to use, copy, modify and distribute this software and its
# * documentation for any purpose is hereby granted without fee,
# * provided that the above copyright notice appear in all copies and
# * that both that copyright notice and this permission notice appear
# * in supporting documentation. It is provided "as is" without express
# * or implied warranty.
# *
#
#
#   Author(s): Daniela Dorner  10/2010 <mailto:daniela.dorner@unige.ch>
#
#   Copyright: MAGIC Software Development, 2000-2010
#
#
# ========================================================================
#
# script copy processing output from one site to the other
# 
# FIXME: solve problem how to know which files have to be copied for which 
# step (alias/function for file-definitions?)

if [ "$SOURCEFILEPATH" = "" ]
then 
   source `dirname $0`/sourcefile
else
   source $SOURCEFILEPATH/sourcefile
fi
printprocesslog "INFO starting $0"
program="corsika"

function copyandcheckfile()
{ 
   # do rsync of file
   command="rsync -aR -u "$extension"/"$1" "$remotemachine":"$todir
   printprocesslog "DEBUG executing: "$command
   if ! $command
   then
      printprocesslog "ERROR could not rsync file "$1
      continue
   fi
   # get local checksum
   if ! checksum1=`md5sum $fromdir/$1`
   then
      printprocesslog "ERROR could not get md5sum file "$1
      continue
   else
      checksum1=`echo $checksum1 | awk ' { print \$1 } '`
   fi
   # get remote checksum
   if ! checksum2=`ssh $remotemachine " md5sum $todir/$extension/$1 " `
   then
      printprocesslog "ERROR could not get remote md5sum file "$1" from "$remotemachine
      continue
   else
      checksum2=`echo $checksum2 | awk ' { print \$1 } '`
   fi
   # compare checksums
   if ! [ "$checksum1" = "$checksum2" ]
   then
      printprocesslog "ERROR local and remote md5sum for file "$1" do not match"
      continue
   fi
}

for step in ${tocopy[@]}
do
   printprocesslog "INFO copying output of step "$step 
   getstepinfo
   
   # get primaries for which output has to be copied
   query="SELECT "${prims[@]}" FROM "$step"Status WHERE NOT ISNULL(fStartTime) AND NOT ISNULL(fStopTime) AND ISNULL(fAvailable) AND ISNULL(fReturnCode) AND fProcessingSiteKEY="$sitekey
   primstocopy=( `sendquery` )
   num=`expr ${#primstocopy[@]} / ${#prims[@]} `
   if [ ${#primstocopy[@]} -eq 0 ]
   then 
      printprocesslog "INFO no files to copy for step "$step
      continue
   fi
   # BE CAREFUL: 
   # this only works for corsika so far
   for (( s=0 ; s < $num ; s++ ))
   do
      runnum=${primstocopy[$s+$s]}
      filenum=${primstocopy[$s+$s+1]}
      printprocesslog "INFO copying corsika files for run "$runnum" file "$filenum
      extension=`printf %08d $runnum | cut -c 1-4`/`printf %08d $runnum | cut -c 5-8`
      cd $mcpath/$program
      fromdir=$mcpath/$program/$extension
      todir=$remotedir"/simulated/"$program
      # copy files and check md5sums
      corsikafile=cer000`printf %06d $filenum | cut -c 4-6`
      copyandcheckfile $corsikafile
      corsikalogfile=cer000`printf %06d $filenum | cut -c 4-6`".log"
      copyandcheckfile $corsikalogfile
      
      # in case all copying succeeded and the checksums are ok
      # continue and update the DB
      query="UPDATE "$step"Status SET fAvailable=Now() WHERE fFileNumber="$filenum" AND fRunNumber="$runnum
      sendquery >/dev/null
   done   
done