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Date: Wed, 22 Dec 1999 13:46:30 +0000 (GMT)
Subject: Debug Levels
From: Robert de Bath <rdebath@poboxes.com>
...
Level 0
Errors and states that cause a significant change in program flow.
=> Anything that causes a Discon+Retry or a "giveup" message.
Level 1
Important or inaccessible state information.
=> Connection start, Idle disconnection.
Level 2
Rare things that cause a minor program flow adjustment.
=> No REST, No PASV, etc.
Level 3
Errors and useful messages that are slightly too verbose or common
for 0-2 or don't quite fit in the classifications.
=> Login banner
Level 4
All remote responses or major results. (Trace results)
=> All "999 Xyzzy" responses received.
Level 5
All remote commands or major tasks. (Trace jobs)
=> All commands sent to server.
Level 6
General information that will not be too verbose but is normally a
little less important. (Trace state)
Level 7
Similar to level 3 but verbose or not as useful.
Level 8
Very verbose information that'll probably be useful sometime.
Level 9
Anything and everything else, debugs that probably won't be useful
ever again. (unclassified)
Notes:
If the programmer doesn't set the debug level this is not an important
debug message or is only important right now.
=> default debug level == 9
If something fits in one of the lower levels but is very verbose
it should nevertheless be moved upto level 3 or levels 7-9.
(Possibly leaving a single line 'oops' at the lower level)
The general idea is that debug levels 0-3 should not scroll too fast
to read and nothing below level 7 should be much more verbose than
levels 4 or 5.
...
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