82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2012-2019 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include "level.hpp"
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#include "packet.hpp"
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#include "sink/base.hpp"
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#include <memory>
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#include <string>
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namespace cruft::log {
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///////////////////////////////////////////////////////////////////////////
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sink::base& default_sink (void);
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sink::base& default_sink (std::unique_ptr<sink::base>);
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//-------------------------------------------------------------------------
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void write (level_t, std::string const &msg);
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void write (level_t, char const *msg);
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void write (level_t, std::string_view msg);
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//-------------------------------------------------------------------------
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template <typename FormatT, typename ...ArgsT>
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void
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write (level_t l, FormatT fmt, ArgsT &&...args)
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{
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default_sink ().write (
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packet (
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l,
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std::forward<FormatT> (fmt),
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std::forward<ArgsT> (args)...
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)
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);
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}
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}
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//-------------------------------------------------------------------------
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// Various convenience macros for logging specific strings with a well
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// known severity.
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//
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// The format string _must_ be a compile time literal so that compile time
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// checking of strings and arguments is possible.
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//
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// LOG_DEBUG is treated similarly to assert; if NDEBUG is defined then we
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// compile out the statement so as to gain a little runtime efficiency.
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#define LOG(LEVEL, FMT, ...) \
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do { \
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::cruft::log::write ( \
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(LEVEL), \
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FMT_STRING(FMT) \
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__VA_OPT__(,) \
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__VA_ARGS__ \
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); \
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} while (0)
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#define LOG_EMERGENCY(FMT, ...) LOG(::cruft::log::EMERGENCY, FMT __VA_OPT__(,) __VA_ARGS__)
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#define LOG_ALERT(FMT, ...) LOG(::cruft::log::ALERT, FMT __VA_OPT__(,) __VA_ARGS__)
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#define LOG_CRITICAL(FMT, ...) LOG(::cruft::log::CRITICAL, FMT __VA_OPT__(,) __VA_ARGS__)
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#define LOG_ERROR(FMT, ...) LOG(::cruft::log::ERROR, FMT __VA_OPT__(,) __VA_ARGS__)
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#define LOG_WARNING(FMT, ...) LOG(::cruft::log::WARNING, FMT __VA_OPT__(,) __VA_ARGS__)
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#define LOG_NOTICE(FMT, ...) LOG(::cruft::log::NOTICE, FMT __VA_OPT__(,) __VA_ARGS__)
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#define LOG_INFO(FMT, ...) LOG(::cruft::log::INFO, FMT __VA_OPT__(,) __VA_ARGS__)
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#if !defined(NDEBUG)
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#define LOG_DEBUG(FMT, ...) LOG(::cruft::log::DEBUG, FMT __VA_OPT__(,) __VA_ARGS__)
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#else
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#define LOG_DEBUG(...) do { ; } while (0)
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#endif
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#define LOG_WARN(...) LOG_WARNING(__VA_ARGS__)
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