[Boost-users] [Boost Log] how to print source code file name and line number in boost log

Subject: [Boost-users] [Boost Log] how to print source code file name and line number in boost log
From: Pritesh Acharya (priteshacharya_at_[hidden])
Date: 2014-07-15 06:06:41

Boost version: 1.55.0
OS: Windows 8
IDE: Visual Studio 2010
Boost Module: Boost Log

I'm using Boost  Logging in my C++ application. I have been able to
generate log of this format

[2014-Jul-15 10:47:26.137959]: <debug>  A regular message

I want to be able to add source file name and line number where the log is
generated, But i'm not able to do so.

[2014-Jul-15 10:47:26.137959]: <debug> [filename:line_no] A regular message

example:

[2014-Jul-15 10:47:26.137959]: <debug> [helloworld.cpp : 12] A regular message

Source Code:

#include <boost/log/core.hpp>#include <boost/log/trivial.hpp>#include
<boost/log/expressions.hpp>#include
<boost/log/sinks/text_file_backend.hpp>#include
<boost/log/utility/setup/file.hpp>#include
<boost/log/utility/setup/common_attributes.hpp>#include
<boost/log/sources/severity_logger.hpp>#include
<boost/log/sources/record_ostream.hpp>#include
<boost/log/expressions.hpp>#include
<boost/log/support/date_time.hpp>#include
<boost/log/attributes/attribute.hpp>#include
<boost/log/attributes/attribute_cast.hpp>#include
<boost/log/attributes/attribute_value.hpp>#include
<boost/make_shared.hpp>#include <boost/property_tree/ptree.hpp>
namespace logging = boost::log;namespace src =
boost::log::sources;namespace sinks = boost::log::sinks;namespace
keywords = boost::log::keywords;
void init(){
    logging::add_file_log
    (
        keywords::file_name = "sample_%N.log",
               /*< file name pattern >*/
        keywords::rotation_size = 10*1024*1204,
         /*< rotate files every 10 MiB... >*/
        keywords::time_based_rotation =
sinks::file::rotation_at_time_point(0, 0, 0), /*< ...or at midnight
>*/
        keywords::format =
        (
            boost::log::expressions::stream
                << boost::log::expressions::format_date_time<
boost::posix_time::ptime >("TimeStamp", "%Y-%m-%d_%H:%M:%S.%f")
                << ": <" << boost::log::trivial::severity << "> "
                << boost::log::expressions::smessage
        )
    );}
int main(int, char*[]){
    init();
    logging::add_common_attributes();

    using namespace logging::trivial;
    src::severity_logger< severity_level > lg;

    BOOST_LOG_SEV(lg, debug) << "A regular message";
    return 0;}