78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2012 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_LOG_HPP
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#define __UTIL_LOG_HPP
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#include <iostream>
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#include <string>
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// Windows.h or one of its friends defines a macro 'ERROR'. Screw Microsoft.
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#ifdef ERROR
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#undef ERROR
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#endif
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namespace util {
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// rfc5424 log levels. It is assumed they are contiguous to simplify array
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// indexing in logging code.
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//
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enum level_t {
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EMERGENCY, /** system is unusable */
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ALERT, /** action must be taken immediately */
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CRITICAL, /** critical conditions */
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ERROR, /** error conditions */
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WARNING,
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WARN = WARNING, /** warning conditions */
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NOTICE, /** normal but significant condition */
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INFORMATIONAL,
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INFO = INFORMATIONAL, /** informational messages */
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DEBUG, /** debug-level messages */
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NUM_LEVELS,
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DEFAULT = INFO
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};
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std::ostream&
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operator<< (std::ostream&, level_t);
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void log (level_t, const std::string &format);
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template <typename ...tail>
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void log (level_t, const std::string &format, tail ..._tail);
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#define LOG_EMERGENCY(...) do { util::log(util::EMERGENCY, ##__VA_ARGS__); } while (0)
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#define LOG_ALERT(...) do { util::log(util::ALERT, ##__VA_ARGS__); } while (0)
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#define LOG_CRITICAL(...) do { util::log(util::CRITICAL, ##__VA_ARGS__); } while (0)
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#define LOG_ERROR(...) do { util::log(util::ERROR, ##__VA_ARGS__); } while (0)
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#define LOG_WARNING(...) do { util::log(util::WARNING, ##__VA_ARGS__); } while (0)
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#define LOG_WARN(...) do { util::log(util::WARN, ##__VA_ARGS__); } while (0)
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#define LOG_NOTICE(...) do { util::log(util::NOTICE, ##__VA_ARGS__); } while (0)
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#define LOG_INFO(...) do { util::log(util::INFO, ##__VA_ARGS__); } while (0)
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#if defined(ENABLE_DEBUGGING)
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#define LOG_DEBUG(...) do { util::log(util::DEBUG, ##__VA_ARGS__); } while (0)
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#else
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#define LOG_DEBUG(...) do { ; } while (0)
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#endif
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}
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#include "log.ipp"
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#endif
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