85 lines
2.4 KiB
C++
85 lines
2.4 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 <boost/date_time/posix_time/posix_time_types.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/sources/severity_logger.hpp>
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#include <boost/log/sources/record_ostream.hpp>
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#include <boost/log/utility/setup/file.hpp>
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#include <boost/log/utility/setup/common_attributes.hpp>
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#include <boost/log/support/date_time.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 keywords = boost::log::keywords;
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#if 1
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//[ example_tutorial_formatters_stream
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void init()
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{
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logging::add_file_log
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(
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keywords::file_name = "sample_%N.log",
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// This makes the sink to write log records that look like this:
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// 1: <normal> A normal severity message
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// 2: <error> An error severity message
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keywords::format =
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(
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expr::stream
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<< 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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);
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}
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//]
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#else
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//[ example_tutorial_formatters_stream_date_time
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void init()
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{
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logging::add_file_log
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(
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keywords::file_name = "sample_%N.log",
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// This makes the sink to write log records that look like this:
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// YYYY-MM-DD HH:MI:SS: <normal> A normal severity message
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// YYYY-MM-DD HH:MI:SS: <error> An error severity message
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keywords::format =
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(
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expr::stream
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<< expr::format_date_time< boost::posix_time::ptime >("TimeStamp", "%Y-%m-%d %H:%M:%S")
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<< ": <" << logging::trivial::severity
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<< "> " << expr::smessage
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)
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);
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}
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//]
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#endif
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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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