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Alexander Chemeris alexander.chemeris at gmail.comOn Tue, Jan 29, 2013 at 4:33 PM, Harald Welte <laforge at gnumonks.org> wrote: > Hi 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. Just to clarify. Do you just want to transfer a normal log string as a payload in a GSMTAP message, so that it'll be shown in Wireshark "Info" column? > 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. I'll let Ivan comment on that. My knowledge is somewhat lacking in this area. -- Regards, Alexander Chemeris. CEO, Fairwaves LLC / ООО УмРадио http://fairwaves.ru