[Bro-Dev] Help creating new analyzer

Seth Hall seth at icir.org
Fri Apr 15 16:57:19 PDT 2011

On Apr 15, 2011, at 6:18 PM, Kristin Stephens wrote:

> Just for the sake of my own understanding. The changes you made above
> say the exact same thing I had originally except they don't use the
> &length attribute.

Sort of.  When you go to use the marker value you will be receiving an array of 8bit ints instead of a bytestring value, but you can just write you code around that (assuming you are even using the marker value).  The main thing is that I set a length on the whole record.

> And normally it would work except there is a bug
> with bytestring and setting its &length property?

The bug is only prevalent in certain cases because binpac has to know the full size of the unit before it hits a dynamically sized field (if I understand it correctly) but for some reason even if you set a static size for a bytestring it thinks that's a dynamically sized field still which is why I changed it to a 16-long uint8 array.


Seth Hall
International Computer Science Institute
(Bro) because everyone has a network

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