50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
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* Copyright Andrey Semashev 2007 - 2015.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*!
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* \file main.cpp
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* \author Andrey Semashev
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* \date 07.11.2009
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*
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* \brief An example of trivial logging.
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*/
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// #define BOOST_ALL_DYN_LINK 1
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// #define BOOST_LOG_DYN_LINK 1
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#include <boost/log/trivial.hpp>
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#include <boost/log/core.hpp>
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#include <boost/log/expressions.hpp>
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int main(int argc, char* argv[])
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{
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// Trivial logging: all log records are written into a file
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BOOST_LOG_TRIVIAL(trace) << "A trace severity message";
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BOOST_LOG_TRIVIAL(debug) << "A debug severity message";
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BOOST_LOG_TRIVIAL(info) << "An informational severity message";
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BOOST_LOG_TRIVIAL(warning) << "A warning severity message";
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BOOST_LOG_TRIVIAL(error) << "An error severity message";
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BOOST_LOG_TRIVIAL(fatal) << "A fatal severity message";
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// Filtering can also be applied
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using namespace boost::log;
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core::get()->set_filter
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(
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trivial::severity >= trivial::info
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);
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// Now the first two lines will not pass the filter
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BOOST_LOG_TRIVIAL(trace) << "A trace severity message";
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BOOST_LOG_TRIVIAL(debug) << "A debug severity message";
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BOOST_LOG_TRIVIAL(info) << "An informational severity message";
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BOOST_LOG_TRIVIAL(warning) << "A warning severity message";
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BOOST_LOG_TRIVIAL(error) << "An error severity message";
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BOOST_LOG_TRIVIAL(fatal) << "A fatal severity message";
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return 0;
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}
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