sub hook
{
  &logMsg("In Hook1");
  my ($name, $buffer, $bytesRead, $data) = @_;
  &logMsg("In Hook");
  &logMsg("name=$name,bytesRead=$bytesRead");
  if (defined $lastSeenName)
  {
    if (($name ne $lastSeenName) || ($bytesRead < $lastSeenTotal))
    {
      $subTotal += $lastSeenTotal;
    }
  }
  else
  {
    $uploadSize = $ENV{'CONTENT_LENGTH'};
    &logPct(0);
  }

  $lastSeenName = $name;
  $lastSeenTotal = $bytesRead;
  $fileSizeMap{$name} = $bytesRead;
  $totalBytes = $subTotal + $bytesRead;

  if ($uploadSize > 0)
  {
    my $curPct = int((100 * $totalBytes)/$uploadSize);
    $curPct = 98 if ($curPct > 98);
    &logPct($curPct);
  }
}
sub main()
{
  readProperties();
  $logFile = "/home/manish/files/temp1.log";
  unlink $logFile;
  &logMsg("Main Method");
  eval { mkpath($infoPath) };
  if ($@)
  {
    &logMsg("Could not create $infoPath: $@");
    $errorCode = "BAD_INFO_PATH";
  }
  &processForm();
  $ctSessionId = $paramMap{"ctSessionId"};
  $uploadId = $paramMap{"uploadId"};
  if (not (defined $uploadId))
  {
    $uploadId = $ctSessionId;
  }

  

  if ($ctSessionId ne "0000")
  {
      &validateSession();
  }
  &logMsg("before hook :: $ctSessionId :: $uploadId");
  $cgi = new CGI(\&hook,"ctfile_upload");
 

  $failureURL = $cgi->param('failureURL');
  $successURL = $cgi->param('successURL');
  my $queryParams = $ENV{'QUERY_STRING'};
  $successURL = "${successURL}\?${queryParams}";
  $failureURL = "${failureURL}\?${queryParams}";

  my $action = $cgi->param('action');
  if (defined $errorCode)
  {
  }
  elsif ($action eq "cancel")
  {
    $errorCode="CANCELLED";
  }
  elsif ($action eq "overwrite")
  {
    $errorCode="OVERWRITE";
  }
  elsif ($action eq "back")
  {
    $errorCode = "BACK";
  }
  else
  {
    my $receiveError = $cgi->cgi_error;
    if ($receiveError)
    {
      &logMsg("Error receiving:$receiveError");
      $errorCode = "NOT_RECEIVED";
    }
  }

  if (-e "$tombstonePath/$uploadId")
  {
      $errorCode = "CANCELLED";
  }

  if (defined $errorCode)
  {
      my @cgiParams = $cgi->param;
      foreach my $cgiParam (@cgiParams)
      {
	  my @paramValues = $cgi->param($cgiParam);
	  foreach my $paramValue (@paramValues)
	  {
	      &addField($cgiParam, $paramValue);
	  }
      }
  }
  else
  {
      &logPct(99);
      &copyFiles();
      &logPct(100);
  }

  if (defined $errorCode)
  {
    &logMsg("Error code = $errorCode");
    &reportFailure();
  }
  elsif (defined $recoverableErrorCode)
  {
    $errorCode = $recoverableErrorCode;
    &logMsg("Error code = $errorCode");
    &reportFailure();
  }
  else
  {
    &reportSuccess();
  }
}