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 <stdexcept>
9 #include <string>
10 #include <iostream>
11 #include <boost/smart_ptr/shared_ptr.hpp>
12 #include <boost/date_time/posix_time/posix_time.hpp>
13
14 #include <boost/log/common.hpp>
15
16 #if defined(BOOST_WINDOWS) && !defined(BOOST_LOG_WITHOUT_EVENT_LOG)
17
18 #include <boost/log/attributes.hpp>
19 #include <boost/log/expressions.hpp>
20 #include <boost/log/sinks/sync_frontend.hpp>
21 #include <boost/log/sinks/event_log_backend.hpp>
22
23 namespace logging = boost::log;
24 namespace attrs = boost::log::attributes;
25 namespace src = boost::log::sources;
26 namespace sinks = boost::log::sinks;
27 namespace expr = boost::log::expressions;
28 namespace keywords = boost::log::keywords;
29
30 //[ example_sinks_simple_event_log
31 // Complete sink type
32 typedef sinks::synchronous_sink< sinks::simple_event_log_backend > sink_t;
33
34 // Define application-specific severity levels
35 enum severity_level
36 {
37 normal,
38 warning,
39 error
40 };
41
init_logging()42 void init_logging()
43 {
44 // Create an event log sink
45 boost::shared_ptr< sink_t > sink(new sink_t());
46
47 sink->set_formatter
48 (
49 expr::format("%1%: [%2%] - %3%")
50 % expr::attr< unsigned int >("LineID")
51 % expr::attr< boost::posix_time::ptime >("TimeStamp")
52 % expr::smessage
53 );
54
55 // We'll have to map our custom levels to the event log event types
56 sinks::event_log::custom_event_type_mapping< severity_level > mapping("Severity");
57 mapping[normal] = sinks::event_log::info;
58 mapping[warning] = sinks::event_log::warning;
59 mapping[error] = sinks::event_log::error;
60
61 sink->locked_backend()->set_event_type_mapper(mapping);
62
63 // Add the sink to the core
64 logging::core::get()->add_sink(sink);
65 }
66 //]
67
main(int argc,char * argv[])68 int main(int argc, char* argv[])
69 {
70 try
71 {
72 // Initialize logging library
73 init_logging();
74
75 // Add some attributes too
76 logging::core::get()->add_global_attribute("TimeStamp", attrs::local_clock());
77 logging::core::get()->add_global_attribute("LineID", attrs::counter< unsigned int >());
78
79 // Do some logging
80 src::severity_logger< severity_level > lg(keywords::severity = normal);
81 BOOST_LOG_SEV(lg, normal) << "Some record for NT event log with normal level";
82 BOOST_LOG_SEV(lg, warning) << "Some record for NT event log with warning level";
83 BOOST_LOG_SEV(lg, error) << "Some record for NT event log with error level";
84
85 return 0;
86 }
87 catch (std::exception& e)
88 {
89 std::cout << "FAILURE: " << e.what() << std::endl;
90 return 1;
91 }
92 }
93
94 #else
95
main(int,char * [])96 int main(int, char*[])
97 {
98 return 0;
99 }
100
101 #endif
102