66 lines
2.1 KiB
C++
66 lines
2.1 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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#include <fstream>
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#include <iomanip>
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#include <boost/smart_ptr/shared_ptr.hpp>
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#include <boost/smart_ptr/make_shared_object.hpp>
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#include <boost/log/core.hpp>
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#include <boost/log/trivial.hpp>
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#include <boost/log/expressions.hpp>
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#include <boost/log/sinks/sync_frontend.hpp>
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#include <boost/log/sinks/text_ostream_backend.hpp>
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#include <boost/log/sources/severity_logger.hpp>
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#include <boost/log/sources/record_ostream.hpp>
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#include <boost/log/utility/setup/common_attributes.hpp>
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namespace logging = boost::log;
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namespace src = boost::log::sources;
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namespace expr = boost::log::expressions;
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namespace sinks = boost::log::sinks;
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namespace keywords = boost::log::keywords;
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//[ example_tutorial_formatters_stream_manual
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void init()
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{
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typedef sinks::synchronous_sink< sinks::text_ostream_backend > text_sink;
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boost::shared_ptr< text_sink > sink = boost::make_shared< text_sink >();
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sink->locked_backend()->add_stream(
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boost::make_shared< std::ofstream >("sample.log"));
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sink->set_formatter
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(
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expr::stream
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// line id will be written in hex, 8-digits, zero-filled
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<< std::hex << std::setw(8) << std::setfill('0') << expr::attr< unsigned int >("LineID")
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<< ": <" << logging::trivial::severity
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<< "> " << expr::smessage
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);
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logging::core::get()->add_sink(sink);
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}
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//]
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int main(int, char*[])
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{
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init();
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logging::add_common_attributes();
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using namespace logging::trivial;
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src::severity_logger< severity_level > lg;
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BOOST_LOG_SEV(lg, trace) << "A trace severity message";
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BOOST_LOG_SEV(lg, debug) << "A debug severity message";
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BOOST_LOG_SEV(lg, info) << "An informational severity message";
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BOOST_LOG_SEV(lg, warning) << "A warning severity message";
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BOOST_LOG_SEV(lg, error) << "An error severity message";
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BOOST_LOG_SEV(lg, fatal) << "A fatal severity message";
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return 0;
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}
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