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Hi gijs,

- --On April 18, 2007 17:09:03 +0200 Gijs Molenaar <[EMAIL PROTECTED]> wrote:

| Hello,
|
| We want to directly read and understand nfdump files from Java (don't
| ask why ;) ). We can write a parser for nfdump, but we also discovered

Why?

| JNI, an java-to-other_language API builder. Did anyone already tried to
| to this with nfdump?
|
| Next to that, how likely is the storage format of nfdump / nfcapd going
| to change in the future? My problem is; if we write a Java API for
| reading nfdump files, we will base this on the current version of
| nfdump. We would like this code to be able to read nfcapd exported files
| also in the future.

nfdump is going to accept more v9 data in future => flexible netflow, and
therefore will have new data fields in the current extendable file format.
For your JNI, it's best to base on current C file reader functions, and
work with the master record. I posted some time ago a bare-bone
nfdump file reader on this list. If you link this bare-bone reader with
your Java-JNI app, it should work. Do not re-implement a flow reader in
Java. If you need more detailed info, contact me offlist.

    - Peter


|
| any great insights or opinions, anybody?
|
|  - gijs
|
|
|
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