104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
/*
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*
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* The MIT License (MIT)
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*
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* Copyright (C) 2013 Yanyi Wu
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef LIMONP_LOGGING_HPP
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#define LIMONP_LOGGING_HPP
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#include <sstream>
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#include <iostream>
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#include <cassert>
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#include <cstdlib>
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#include <ctime>
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#ifdef XLOG
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#error "XLOG has been defined already"
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#endif // XLOG
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#ifdef XCHECK
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#error "XCHECK has been defined already"
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#endif // XCHECK
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#define XLOG(level) limonp::Logger(limonp::LL_##level, __FILE__, __LINE__).Stream()
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#define XCHECK(exp) if(!(exp)) XLOG(FATAL) << "exp: ["#exp << "] false. "
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namespace limonp {
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enum {
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LL_DEBUG = 0,
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LL_INFO = 1,
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LL_WARNING = 2,
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LL_ERROR = 3,
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LL_FATAL = 4,
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}; // enum
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static const char * LOG_LEVEL_ARRAY[] = {"DEBUG","INFO","WARN","ERROR","FATAL"};
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class Logger {
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public:
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Logger(size_t level, const char* filename, int lineno)
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: level_(level) {
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#ifdef LOGGING_LEVEL
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if (level_ < LOGGING_LEVEL) {
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return;
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}
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#endif
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assert(level_ <= sizeof(LOG_LEVEL_ARRAY)/sizeof(*LOG_LEVEL_ARRAY));
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char buf[32];
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time_t now;
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time(&now);
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struct tm result;
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localtime_r(&now, &result);
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strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &result);
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stream_ << buf
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<< " " << filename
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<< ":" << lineno
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<< " " << LOG_LEVEL_ARRAY[level_]
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<< " ";
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}
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~Logger() {
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#ifdef LOGGING_LEVEL
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if (level_ < LOGGING_LEVEL) {
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return;
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}
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#endif
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std::cerr << stream_.str() << std::endl;
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if (level_ == LL_FATAL) {
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abort();
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}
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}
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std::ostream& Stream() {
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return stream_;
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}
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private:
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std::ostringstream stream_;
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size_t level_;
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}; // class Logger
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} // namespace limonp
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#endif // LIMONP_LOGGING_HPP
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