shasub...@gmail.com (shasub...@gmail.com) wrote:
> With version 1.6.12, when I write back to a file with the aggregate
> options with nfdump, I cannot read back the records again. This only
> happens when the -b or -a or -A are used. Without any of these options,
> it works. This is with NetFlow v9.
>
> The DEVEL enabled debug printf seems to indicate that the extension map was
> saved in output file.
> However on subsequent read of the file, it appears not to find the extension
> records.
I just stumbled upon the same problem and I tracked it down to a change in
nfexport.c. The first thing ExportExtensionMaps() does, is to check whether
it needs to do any work at all:
// no extension maps to export - nothing to do
if ( extension_map_list->max_used < 0 )
return;
In 1.6.12, this check was modified to use '== 0' instead of '< 0' which
seems to be wrong because the following loop uses <=, so would
include the 0.
I simply removed the check altogether and the problem is gone.
--
Frank Thilo - th...@unix-ag.org IRC: Chestal
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