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Harald Welte laforge at gnumonks.orgHi Alexander,
On Tue, Jan 29, 2013 at 04:11:26PM +0400, Alexander Chemeris wrote:
> Yes, debugging PCU is PITA and we've been discussing logging
> improvements with Ivan for some time already. From our discussions it
> seems that the biggest issue is to correlate log messages with the
> actual user and/or session. How do you want to solve this issue with
> the GSMTAP?
I would treat those two independent. The case for GSMTAP is simply to
have a synchronous / monotonic log (pcap in this case) that combines
both actual packets on Gb and Um, as well as the human-readable log
messages generated by the PCU code in between.
As for the human-readable PCU log messages, I would suggest something
like pre-fixing all of them with the TLLI in the beginning like
[1a2b3d4e] at the start of every line. I would guess that for most of
the log messages, the TLLI to which they relate should be known. The
same is not the case for other identifiers like the IMSI.
--
- Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/
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