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57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
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* Copyright Andrey Semashev 2007 - 2013.
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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 <string>
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#include <fstream>
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#include <iostream>
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#include <boost/shared_ptr.hpp>
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#include <boost/log/core.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_channel_logger.hpp>
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#include <boost/log/sources/record_ostream.hpp>
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#include <boost/log/utility/empty_deleter.hpp>
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namespace logging = boost::log;
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namespace src = boost::log::sources;
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namespace sinks = boost::log::sinks;
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namespace keywords = boost::log::keywords;
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//[ example_sinks_ostream
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void init_logging()
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{
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boost::shared_ptr< logging::core > core = logging::core::get();
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// Create a backend and attach a couple of streams to it
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boost::shared_ptr< sinks::text_ostream_backend > backend =
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boost::make_shared< sinks::text_ostream_backend >();
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backend->add_stream(
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boost::shared_ptr< std::ostream >(&std::clog, logging::empty_deleter()));
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backend->add_stream(
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boost::shared_ptr< std::ostream >(new std::ofstream("sample.log")));
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// Enable auto-flushing after each log record written
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backend->auto_flush(true);
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// Wrap it into the frontend and register in the core.
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// The backend requires synchronization in the frontend.
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typedef sinks::synchronous_sink< sinks::text_ostream_backend > sink_t;
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boost::shared_ptr< sink_t > sink(new sink_t(backend));
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core->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_logging();
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src::severity_channel_logger< > lg(keywords::channel = "net");
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BOOST_LOG_SEV(lg, 3) << "Hello world!";
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return 0;
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}
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