libs/log/src/default_sink.hpp

   1 /*
   2  *          Copyright Andrey Semashev 2007 - 2014.
   3  * Distributed under the Boost Software License, Version 1.0.
   4  *    (See accompanying file LICENSE_1_0.txt or copy at
   5  *          http://www.boost.org/LICENSE_1_0.txt)
   6  */
   7 /*!
   8  * \file   default_sink.hpp
   9  * \author Andrey Semashev
  10  * \date   08.01.2012
  11  *
  12  * \brief  This header is the Boost.Log library implementation, see the library documentation
  13  *         at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
  14  */
  15
  16 #ifndef BOOST_LOG_DEFAULT_SINK_HPP_INCLUDED_
  17 #define BOOST_LOG_DEFAULT_SINK_HPP_INCLUDED_
  18
  19 #include <boost/log/detail/config.hpp>
  20 #include <boost/log/sinks/sink.hpp>
  21 #include <boost/log/attributes/attribute_name.hpp>
  22 #include <boost/log/attributes/value_extraction.hpp>
  23 #include <boost/log/attributes/value_visitation.hpp>
  24 #include <boost/log/attributes/fallback_policy.hpp>
  25 #include <boost/log/expressions/message.hpp>
  26 #include <boost/log/trivial.hpp>
  27 #if !defined(BOOST_LOG_NO_THREADS)
  28 #include <boost/thread/mutex.hpp>
  29 #endif
  30 #include <boost/log/detail/header.hpp>
  31
  32 #ifdef BOOST_HAS_PRAGMA_ONCE
  33 #pragma once
  34 #endif
  35
  36 namespace boost {
  37
  38 BOOST_LOG_OPEN_NAMESPACE
  39
  40 namespace sinks {
  41
  42 namespace aux {
  43
  44 //! The default sink to be used when no sinks are registered in the logging core
  45 class default_sink :
  46     public sink
  47 {
  48 private:
  49 #if !defined(BOOST_LOG_NO_THREADS)
  50     typedef mutex mutex_type;
  51     mutex_type m_mutex;
  52 #endif
  53     attribute_name const m_severity_name, m_message_name;
  54     value_extractor< boost::log::trivial::severity_level, fallback_to_default< boost::log::trivial::severity_level > > const m_severity_extractor;
  55     value_visitor_invoker< expressions::tag::message::value_type > m_message_visitor;
  56
  57 public:
  58     default_sink();
  59     ~default_sink();
  60     bool will_consume(attribute_value_set const&);
  61     void consume(record_view const& rec);
  62     void flush();
  63 };
  64
  65 } // namespace aux
  66
  67 } // namespace sinks
  68
  69 BOOST_LOG_CLOSE_NAMESPACE // namespace log
  70
  71 } // namespace boost
  72
  73 #include <boost/log/detail/footer.hpp>
  74
  75 #endif // BOOST_LOG_DEFAULT_SINK_HPP_INCLUDED_