Re: [Boost-users] Include line number in boost logs

Subject: Re: [Boost-users] Include line number in boost logs
From: Florian Lindner (mailinglists_at_[hidden])
Date: 2015-08-25 05:15:39

I finally got it. Shared the answer on stack overflow:

http://stackoverflow.com/a/32200033/3585934

Florian Lindner wrote:

> Hello,
> 
> I try to implement that a log entry also logs its line number with
> boost::log. If any developer of it reads here, please also consider this a
> wishlist item...
> 
> I think the best way to add an additional attribute for it
> 
> core::get()->add_global_attribute(
>   "Line", attributes::mutable_constant<size_t>(0)
> );
> 
> in my logger config that is called once at startup.
> 
> #define logInfo(methodname, message)                                \
>   boost::log::core::get()->get_global_attributes()["Line"].set(__LINE__);
> \
>   BOOST_LOG_SEV(_log, boost::log::trivial::severity_level::trace) <<
>   message
> \
> 
> Is my idea, but
> 
> boostlog.cpp:126:5: error: no member named 'set' in
> 'boost::log::v2_mt_posix::aux::attribute_set_reference_proxy'
> 
> getting the attribute somehow seems to work, but how can I set the value
> of the attribute?
> 
> Thanks!
> Florian