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/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file main.cpp
* \author Andrey Semashev
* \date 26.04.2008
*
* \brief An example of initializing the library from a settings file.
* See the library tutorial for expanded comments on this code.
* It may also be worthwhile reading the Wiki requirements page:
* http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl?Boost.Logging
*/
// #define BOOST_ALL_DYN_LINK 1
#include <exception>
#include <iostream>
#include <fstream>
#include <boost/log/trivial.hpp>
#include <boost/log/common.hpp>
#include <boost/log/attributes.hpp>
#include <boost/log/utility/setup/from_stream.hpp>
namespace logging = boost::log;
namespace attrs = boost::log::attributes;
void try_logging()
{
BOOST_LOG_TRIVIAL(trace) << "This is a trace severity record";
BOOST_LOG_TRIVIAL(debug) << "This is a debug severity record";
BOOST_LOG_TRIVIAL(info) << "This is an info severity record";
BOOST_LOG_TRIVIAL(warning) << "This is a warning severity record";
BOOST_LOG_TRIVIAL(error) << "This is an error severity record";
BOOST_LOG_TRIVIAL(fatal) << "This is a fatal severity record";
}
int main(int argc, char* argv[])
{
try
{
// Open the file
std::ifstream settings("settings.txt");
if (!settings.is_open())
{
std::cout << "Could not open settings.txt file" << std::endl;
return 1;
}
// Read the settings and initialize logging library
logging::init_from_stream(settings);
// Add some attributes
logging::core::get()->add_global_attribute("TimeStamp", attrs::local_clock());
// Try logging
try_logging();
// Now enable tagging and try again
BOOST_LOG_SCOPED_THREAD_TAG("Tag", "TAGGED");
try_logging();
return 0;
}
catch (std::exception& e)
{
std::cout << "FAILURE: " << e.what() << std::endl;
return 1;
}
}
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