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/core.hpp>
9 #include <boost/log/trivial.hpp>
10 #include <boost/log/expressions.hpp>
11 #include <boost/log/sinks/text_file_backend.hpp>
12 #include <boost/log/utility/setup/file.hpp>
13 #include <boost/log/utility/setup/common_attributes.hpp>
14 #include <boost/log/sources/severity_logger.hpp>
15 #include <boost/log/sources/record_ostream.hpp>
16
17 namespace logging = boost::log;
18 namespace src = boost::log::sources;
19 namespace sinks = boost::log::sinks;
20 namespace keywords = boost::log::keywords;
21
22 #if 0
23
24 //[ example_tutorial_file_simple
25 void init()
26 {
27 logging::add_file_log("sample.log");
28
29 logging::core::get()->set_filter
30 (
31 logging::trivial::severity >= logging::trivial::info
32 );
33 }
34 //]
35
36 // We need this due to this bug: https://svn.boost.org/trac/boost/ticket/4416
37 //[ example_tutorial_file_advanced_no_callouts
38 void init()
39 {
40 logging::add_file_log
41 (
42 keywords::file_name = "sample_%N.log",
43 keywords::rotation_size = 10 * 1024 * 1024,
44 keywords::time_based_rotation = sinks::file::rotation_at_time_point(0, 0, 0),
45 keywords::format = "[%TimeStamp%]: %Message%"
46 );
47
48 logging::core::get()->set_filter
49 (
50 logging::trivial::severity >= logging::trivial::info
51 );
52 }
53 //]
54
55 #else
56
57 //[ example_tutorial_file_advanced
init()58 void init()
59 {
60 logging::add_file_log
61 (
62 keywords::file_name = "sample_%N.log", /*< file name pattern >*/
63 keywords::rotation_size = 10 * 1024 * 1024, /*< rotate files every 10 MiB... >*/
64 keywords::time_based_rotation = sinks::file::rotation_at_time_point(0, 0, 0), /*< ...or at midnight >*/
65 keywords::format = "[%TimeStamp%]: %Message%" /*< log record format >*/
66 );
67
68 logging::core::get()->set_filter
69 (
70 logging::trivial::severity >= logging::trivial::info
71 );
72 }
73 //]
74
75 #endif
76
main(int,char * [])77 int main(int, char*[])
78 {
79 init();
80 logging::add_common_attributes();
81
82 using namespace logging::trivial;
83 src::severity_logger< severity_level > lg;
84
85 BOOST_LOG_SEV(lg, trace) << "A trace severity message";
86 BOOST_LOG_SEV(lg, debug) << "A debug severity message";
87 BOOST_LOG_SEV(lg, info) << "An informational severity message";
88 BOOST_LOG_SEV(lg, warning) << "A warning severity message";
89 BOOST_LOG_SEV(lg, error) << "An error severity message";
90 BOOST_LOG_SEV(lg, fatal) << "A fatal severity message";
91
92 return 0;
93 }
94