ceph/src/boost/libs/log/example/doc/tutorial_fmt_string.cpp

   1 /*
   2  *          Copyright Andrey Semashev 2007 - 2015.
   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 #include <boost/log/trivial.hpp>
   9 #include <boost/log/sources/severity_logger.hpp>
  10 #include <boost/log/sources/record_ostream.hpp>
  11 #include <boost/log/utility/setup/file.hpp>
  12 #include <boost/log/utility/setup/common_attributes.hpp>
  13
  14 namespace logging = boost::log;
  15 namespace src = boost::log::sources;
  16 namespace keywords = boost::log::keywords;
  17
  18 //[ example_tutorial_formatters_string
  19 void init()
  20 {
  21     logging::add_file_log
  22     (
  23         keywords::file_name = "sample_%N.log",
  24         keywords::format = "[%TimeStamp%]: %Message%"
  25     );
  26 }
  27 //]
  28
  29 int main(int, char*[])
  30 {
  31     init();
  32     logging::add_common_attributes();
  33
  34     using namespace logging::trivial;
  35     src::severity_logger< severity_level > lg;
  36
  37     BOOST_LOG_SEV(lg, trace) << "A trace severity message";
  38     BOOST_LOG_SEV(lg, debug) << "A debug severity message";
  39     BOOST_LOG_SEV(lg, info) << "An informational severity message";
  40     BOOST_LOG_SEV(lg, warning) << "A warning severity message";
  41     BOOST_LOG_SEV(lg, error) << "An error severity message";
  42     BOOST_LOG_SEV(lg, fatal) << "A fatal severity message";
  43
  44     return 0;
  45 }