[asterisk-dev] Logging/debug features: 3 ideas for discussion

[Donny Kavanagh]

I should add, something going in this direction has already begun with
ast_verb (rather then using ast_verbose) the next step is obviously to
have ast_verb check the channel verbose level.


On 8/13/07, Donny Kavanagh <donnyk at gmail.com> wrote:
> Implementing the change in the channel would not be the hard part.
> Changing the hundreds (thousands) of places in code where they are
> checked would be!
>
> It woudn't be difficult, but tedious, some places have no channel,
> others have multiple channels, channel variables are all named
> differently in different places, sometimes c, some times chan etc.
> Its a big janitor project.
>
> On 8/13/07, Tilghman Lesher <tilghman at mail.jeffandtilghman.com> wrote:
> > On Monday 13 August 2007, John Todd wrote:
> > > Channel Name Logging
> > > Currently when Asterisk is in verbose/debug mode on the console, the
> > > channel name is not printed on the line of debug.  This seems to be a
> >
> > The thread ID is printed on the debug line, and that can be grepped for,
> > once you identify which channel is associated with which thread ID.  Channel
> > names are a bit less useful, since the same ID may refer to hundreds of
> > different calls (though not concurrently).  This is because the unique
> > identifier added to the end of a channel name is currently the address in
> > memory where the channel structure lives, and the chunk of memory for a
> > channel tends to get reused quite often for other channels.  Thread IDs, OTOH,
> > are not recycled very often.
> >
> > > Timestamps
> > > It seems that STRFTIME (or the set of commands Asterisk uses from
> > > within STRFTIME) is limited to not displaying milliseconds, and this
> >
> > This has been added in trunk.  The flag for fractions of a second is %q,
> > of which anywhere from %1q (tenths of a second) to %6q (microseconds)
> > are available.  The default resolution is in milliseconds (%3q or just %q).
> > The real issue is that in 1.4, timestamps are mostly only accurate to the
> > nearest second, so it's not just a matter of altering STRFTIME.
> >
> > > Real-Time Activation Per-Call
> > > Also, while this may have slipped by me in some of the more esoteric
> > > functions that have been built over the last several months, but I
> > > don't see any way of turning on debug or verbose from within the
> > > dialplan, which would help quite a bit.  We have production systems
> >
> > The problem with this is that right now, debug and verbose levels are
> > global.  There has been some discussion about making these levels
> > settable per-channel, but AFAIK, nothing has been done in code yet.
> >
> > --
> > Tilghman
> >
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