2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
4 * This file is part of CasparCG (www.casparcg.com).
6 * CasparCG is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * CasparCG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
19 * Author: Robert Nagy, ronag89@gmail.com
34 #include <boost/shared_ptr.hpp>
35 #include <boost/make_shared.hpp>
36 #include <boost/filesystem/convenience.hpp>
37 #include <boost/date_time/posix_time/posix_time.hpp>
38 #include <boost/algorithm/string.hpp>
40 #include <boost/log/core.hpp>
41 #include <boost/log/trivial.hpp>
42 #include <boost/log/expressions.hpp>
44 #include <boost/log/sinks/text_file_backend.hpp>
45 #include <boost/log/sinks/text_ostream_backend.hpp>
46 #include <boost/log/sinks/sync_frontend.hpp>
47 #include <boost/log/sinks/async_frontend.hpp>
48 #include <boost/log/core/record.hpp>
49 #include <boost/log/attributes/attribute_value.hpp>
50 #include <boost/log/attributes/current_thread_id.hpp>
51 #include <boost/log/utility/setup/common_attributes.hpp>
53 #include <boost/core/null_deleter.hpp>
54 #include <boost/lambda/lambda.hpp>
55 #include <boost/bind.hpp>
56 #include <boost/lexical_cast.hpp>
57 #include <boost/property_tree/ptree.hpp>
59 #include <tbb/atomic.h>
61 namespace caspar { namespace log {
63 using namespace boost;
65 template<typename Stream>
66 void append_timestamp(Stream& stream)
68 auto timestamp = boost::posix_time::microsec_clock::local_time();
69 auto date = timestamp.date();
70 auto time = timestamp.time_of_day();
71 auto milliseconds = time.fractional_seconds() / 1000; // microseconds to milliseconds
73 std::wstringstream buffer;
78 << std::setw(4) << date.year() << L"-" << std::setw(2) << date.month().as_number() << "-" << std::setw(2) << date.day().as_number()
80 << std::setw(2) << time.hours() << L":" << std::setw(2) << time.minutes() << L":" << std::setw(2) << time.seconds()
82 << std::setw(3) << milliseconds
85 stream << buffer.str();
90 tbb::atomic<int> column_width_;
92 column_writer(int initial_width = 0)
94 column_width_ = initial_width;
97 template<typename Stream, typename Val>
98 void write(Stream& out, const Val& value)
100 std::wstring to_string = boost::lexical_cast<std::wstring>(value);
101 int length = static_cast<int>(to_string.size());
104 while ((read_width = column_width_) < length && column_width_.compare_and_swap(length, read_width) != read_width);
105 read_width = column_width_;
107 out << L"[" << to_string << L"] ";
109 for (int n = 0; n < read_width - length; ++n)
114 template<typename Stream>
115 void my_formatter(bool print_all_characters, const boost::log::record_view& rec, Stream& strm)
117 static column_writer thread_id_column;
118 static column_writer severity_column(7);
119 namespace expr = boost::log::expressions;
121 std::wstringstream pre_message_stream;
122 append_timestamp(pre_message_stream);
123 thread_id_column.write(pre_message_stream, boost::log::extract<boost::log::attributes::current_thread_id::value_type>("ThreadID", rec).get().native_id());
124 severity_column.write(pre_message_stream, boost::log::extract<boost::log::trivial::severity_level>("Severity", rec));
126 auto pre_message = pre_message_stream.str();
130 auto line_break_replacement = L"\n" + pre_message;
132 if (print_all_characters)
134 strm << boost::replace_all_copy(rec[expr::message].get<std::wstring>(), "\n", line_break_replacement);
138 strm << boost::replace_all_copy(replace_nonprintable_copy(rec[expr::message].get<std::wstring>(), L'?'), L"\n", line_break_replacement);
146 boost::log::add_common_attributes();
147 typedef boost::log::sinks::asynchronous_sink<boost::log::sinks::wtext_ostream_backend> stream_sink_type;
149 auto stream_backend = boost::make_shared<boost::log::sinks::wtext_ostream_backend>();
150 stream_backend->add_stream(boost::shared_ptr<std::wostream>(&std::wcout, boost::null_deleter()));
151 stream_backend->auto_flush(true);
153 auto stream_sink = boost::make_shared<stream_sink_type>(stream_backend);
154 // Never log calltrace to console. The terminal is too slow, so the log queue will build up faster than consumed.
155 stream_sink->set_filter(category != log_category::call);
157 bool print_all_characters = false;
158 stream_sink->set_formatter(boost::bind(&my_formatter<boost::log::wformatting_ostream>, print_all_characters, _1, _2));
160 boost::log::core::get()->add_sink(stream_sink);
165 void add_file_sink(const std::wstring& file, const boost::log::filter& filter)
167 typedef boost::log::sinks::synchronous_sink<boost::log::sinks::text_file_backend> file_sink_type;
171 if (!boost::filesystem::is_directory(boost::filesystem::path(file).parent_path()))
172 CASPAR_THROW_EXCEPTION(directory_not_found());
174 auto file_sink = boost::make_shared<file_sink_type>(
175 boost::log::keywords::file_name = (file + L"_%Y-%m-%d.log"),
176 boost::log::keywords::time_based_rotation = boost::log::sinks::file::rotation_at_time_point(0, 0, 0),
177 boost::log::keywords::auto_flush = true,
178 boost::log::keywords::open_mode = std::ios::app
181 bool print_all_characters = true;
183 file_sink->set_formatter(boost::bind(&my_formatter<boost::log::formatting_ostream>, print_all_characters, _1, _2));
184 file_sink->set_filter(filter);
185 boost::log::core::get()->add_sink(file_sink);
189 std::wcerr << L"Failed to Setup File Logging Sink" << std::endl << std::endl;
193 std::shared_ptr<void> add_preformatted_line_sink(std::function<void(std::string line)> formatted_line_sink)
195 class sink_backend : public boost::log::sinks::basic_formatted_sink_backend<char>
197 std::function<void(std::string line)> formatted_line_sink_;
199 sink_backend(std::function<void(std::string line)> formatted_line_sink)
200 : formatted_line_sink_(std::move(formatted_line_sink))
204 void consume(const boost::log::record_view& rec, const std::string& formatted_message)
208 formatted_line_sink_(formatted_message);
212 std::cerr << "[sink_backend] Error while consuming formatted message: " << formatted_message << std::endl << std::endl;
217 typedef boost::log::sinks::synchronous_sink<sink_backend> sink_type;
219 auto sink = boost::make_shared<sink_type>(std::move(formatted_line_sink));
220 bool print_all_characters = true;
222 sink->set_formatter(boost::bind(&my_formatter<boost::log::formatting_ostream>, print_all_characters, _1, _2));
224 boost::log::core::get()->add_sink(sink);
226 return std::shared_ptr<void>(nullptr, [=](void*)
228 boost::log::core::get()->remove_sink(sink);
232 void set_log_level(const std::wstring& lvl)
234 if (boost::iequals(lvl, L"trace"))
235 boost::log::core::get()->set_filter(boost::log::trivial::severity >= boost::log::trivial::trace);
236 else if (boost::iequals(lvl, L"debug"))
237 boost::log::core::get()->set_filter(boost::log::trivial::severity >= boost::log::trivial::debug);
238 else if (boost::iequals(lvl, L"info"))
239 boost::log::core::get()->set_filter(boost::log::trivial::severity >= boost::log::trivial::info);
240 else if (boost::iequals(lvl, L"warning"))
241 boost::log::core::get()->set_filter(boost::log::trivial::severity >= boost::log::trivial::warning);
242 else if (boost::iequals(lvl, L"error"))
243 boost::log::core::get()->set_filter(boost::log::trivial::severity >= boost::log::trivial::error);
244 else if (boost::iequals(lvl, L"fatal"))
245 boost::log::core::get()->set_filter(boost::log::trivial::severity >= boost::log::trivial::fatal);
249 boost::log::trivial::severity_level level,
250 const std::wstring& indent,
251 const std::wstring& elem,
252 const boost::property_tree::wptree& tree)
254 auto& data = tree.data();
257 BOOST_LOG_STREAM_WITH_PARAMS(log::logger::get(), (boost::log::keywords::severity = level)) << indent << elem << L" " << replace_nonprintable_copy(data, L'?');
258 else if (tree.size() == 0)
259 BOOST_LOG_STREAM_WITH_PARAMS(log::logger::get(), (boost::log::keywords::severity = level)) << indent << elem;
261 for (auto& child : tree)
262 print_child(level, indent + (elem.empty() ? L"" : elem + L"."), child.first, child.second);