logging.cc
1 /*
2  * MoMEMta: a modular implementation of the Matrix Element Method
3  * Copyright (C) 2016 Universite catholique de Louvain (UCL), Belgium
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #include <momemta/Logging.h>
20 
21 #include <memory>
22 #include <unistd.h>
23 
24 #include <logger/stdout_sink.h>
25 
26 namespace logger {
27 static logger_ptr init_logger() {
28  bool in_terminal = isatty(fileno(stdout)) == 1;
29 
30  auto sink = sinks::stdout_sink_st::instance();
31 
32  auto l = std::make_shared<logger>(sink);
33  l->flush_on(logging::level::trace);
34 
35  if (in_terminal) {
36  l->set_formatter(std::make_shared<ansi_color_full_formatter>());
37  }
38 
39  return l;
40 }
41 
42 logger_ptr get() {
43  static logger_ptr s_logger = init_logger();
44  return s_logger;
45 }
46 
47 }
48 
49 namespace logging {
50  void set_level(::logging::level::level_enum lvl) {
51  ::logger::get()->set_level(lvl);
52  }
53 }