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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 <string> | |
9 | #include <fstream> | |
10 | #include <iostream> | |
11 | #include <boost/smart_ptr/shared_ptr.hpp> | |
12 | #include <boost/log/core.hpp> | |
13 | #include <boost/log/sinks/sync_frontend.hpp> | |
14 | #include <boost/log/sinks/text_file_backend.hpp> | |
15 | #include <boost/log/sources/severity_channel_logger.hpp> | |
16 | #include <boost/log/sources/record_ostream.hpp> | |
17 | ||
18 | namespace logging = boost::log; | |
19 | namespace src = boost::log::sources; | |
20 | namespace sinks = boost::log::sinks; | |
21 | namespace keywords = boost::log::keywords; | |
22 | ||
23 | //[ example_sinks_file | |
24 | void init_logging() | |
25 | { | |
26 | boost::shared_ptr< logging::core > core = logging::core::get(); | |
27 | ||
28 | boost::shared_ptr< sinks::text_file_backend > backend = | |
29 | boost::make_shared< sinks::text_file_backend >( | |
30 | keywords::file_name = "file_%5N.log", /*< file name pattern >*/ | |
31 | keywords::rotation_size = 5 * 1024 * 1024, /*< rotate the file upon reaching 5 MiB size... >*/ | |
32 | keywords::time_based_rotation = sinks::file::rotation_at_time_point(12, 0, 0) /*< ...or every day, at noon, whichever comes first >*/ | |
33 | ); | |
34 | ||
35 | // Wrap it into the frontend and register in the core. | |
36 | // The backend requires synchronization in the frontend. | |
37 | typedef sinks::synchronous_sink< sinks::text_file_backend > sink_t; | |
38 | boost::shared_ptr< sink_t > sink(new sink_t(backend)); | |
39 | ||
40 | core->add_sink(sink); | |
41 | } | |
42 | //] | |
43 | ||
44 | int main(int, char*[]) | |
45 | { | |
46 | init_logging(); | |
47 | ||
48 | src::severity_channel_logger< > lg(keywords::channel = "net"); | |
49 | BOOST_LOG_SEV(lg, 3) << "Hello world!"; | |
50 | ||
51 | return 0; | |
52 | } |