Hello,

Den mån 21 sep. 2020 kl 13:55 skrev Mariusz Kruk <[email protected]>:

> >> Why not log to local TCP socket?
> > glibc does not allow that. Is there any library I can use to log via TCP 
> > socket?
> Well, there are many different logging frameworks. I suppose, since
> you're looking into glibc sources, you're writing in C so I'd check, for
> example log4c. Unless you're doing something very low-level, it's
> usually useful to have a decent logging framework.

Yes. But log4c uses glibc inside, looks like (Checked
src/appender_type_syslog.c)

I work in a project with its own logging framework. And I am in
position to change its implementation if needed.

> > Of course I can cherry pick the code from rsyslog implementation
> > (imptcp module). But is it the easiest/best approach?
> >
> > I am a little bit surprised that I was not able to find a ready-to-use
> > non-glibc implementation of a syslog client library for C/C++.
>
> Maybe you're looking for a wrong thing. :-)

> Logging framework is more than just a syslog client.

Yep. Usually they rely on glibc implementation to deliver syslog
logging functionality. Which logs through /dev/log only:
https://sourceware.org/git/?p=glibc.git;a=blob;f=misc/syslog.c;h=2cc63ef287a71fc6447774773adbffddaae514f3;hb=HEAD
(check openlog_internal function. _PATH_LOG is set to "/dev/log" in a
header file).

--
WBR & WBW, Vitaly
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