/*

* 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 <string>

#include <iostream>

#include <fstream>

#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;

namespace src = boost::log::sources;

using boost::shared_ptr;

// Here we define our application severity levels.

enum severity_level

{

normal,

notification,

warning,

error,

critical

};

// Global logger declaration

BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT(test_lg, src::severity_logger< >)

void try_logging()

{

src::severity_logger< >& lg = test_lg::get();

BOOST_LOG_SEV(lg, normal) << "This is a normal severity record";

BOOST_LOG_SEV(lg, notification) << "This is a notification severity record";

BOOST_LOG_SEV(lg, warning) << "This is a warning severity record";

BOOST_LOG_SEV(lg, error) << "This is a error severity record";

BOOST_LOG_SEV(lg, critical) << "This is a critical 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;

}

}