[Spice-devel] [PATCH spice-xpi 3/4] Switch from log4cpp to glib

Alon Levy alevy at redhat.com
Fri Feb 24 11:34:13 PST 2012


On Fri, Feb 24, 2012 at 12:18:59PM +0100, Marc-André Lureau wrote:
> Hi
> 
> On Fri, Feb 24, 2012 at 12:10 PM, Alon Levy <alevy at redhat.com> wrote:
> >
> > I was with you until you suggested to use ldpreload. Is there an actual
> > easy way to do this to redirect error messages somewhere?
> 
> ldpreload can be useful if you want to override and use your own g_log
> handler for debugging. I don't mean it should be used as a solution,
> in production..
> 
> You can redirect with normal redirection > | etc.. I use logger to
> redirect to syslog in the spice-xpi-client scripts for example.
> 
> > So how would we make sure there is a log file for SpiceXPI?
> 
> Tbh, I think there should be *no* log file, and it should use standard
> methods instead. stderr is redirected to .xsession-errors normally,
> but you should try to reproduce an issue by setting
> G_MESSAGES_DEBUG=SpiceXPI (and other domain), starting firefox and
> redirecting output to a file.
> 

Sounds fine with me. ACK, with or without squashing the next. With what
Daniel said I'm fine with the series (although I would be happier if you
helped illuminate the actual changes in the spice-protocol submodule
patch by spliting out the autoconf no-ops as Daniel calls them).

> 
> >>      if (NPN_InvokeDefault(m_instance, call_on_disconnected, args, sizeof(args) / sizeof(args[0]), &void_result))
> >> -    {
> >> -        LOG_DEBUG("OnDisconnected successfuly called");
> >> -    }
> >> +        g_debug("OnDisconnected successfuly called");
> >
> > Why are you dropping the scope?
> 
> Just saving 4 empty lines. I thought about rewriting it to one line
> without condition too, ex:
> 
> g_debug("OnDisconnected: ", err != 0 ? "success" : "failed");
> 
> -- 
> Marc-André Lureau
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