mirror of https://gitee.com/bigwinds/arangodb
173 lines
8.8 KiB
C++
173 lines
8.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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///
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/// Portions of the code are:
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///
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/// Copyright (c) 1999, Google Inc.
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/// All rights reserved.
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//
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/// Redistribution and use in source and binary forms, with or without
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/// modification, are permitted provided that the following conditions are
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/// met:
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//
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/// * Redistributions of source code must retain the above copyright
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/// notice, this list of conditions and the following disclaimer.
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/// * Redistributions in binary form must reproduce the above
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/// copyright notice, this list of conditions and the following
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/// disclaimer
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/// in the documentation and/or other materials provided with the
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/// distribution.
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/// * Neither the name of Google Inc. nor the names of its
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/// contributors may be used to endorse or promote products derived
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/// from this software without specific prior written permission.
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///
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/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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/// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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/// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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/// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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/// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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/// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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/// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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/// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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/// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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/// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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///
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/// Author: Ray Sidney
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_LOGGER_LOG_MACROS_H
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#define ARANGODB_LOGGER_LOG_MACROS_H 1
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message for a topic
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////////////////////////////////////////////////////////////////////////////////
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#define LOG_TOPIC(a, b) \
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!arangodb::Logger::isEnabled((arangodb::LogLevel::a), (b)) \
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? (void)0 \
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: arangodb::LogVoidify() & (arangodb::LoggerStream() \
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<< (arangodb::LogLevel::a) << (b) \
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<< arangodb::Logger::LINE(__LINE__) \
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<< arangodb::Logger::FILE(__FILE__) \
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<< arangodb::Logger::FUNCTION(__FUNCTION__))
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#define LOG_TOPIC_RAW(a, b) \
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!arangodb::Logger::isEnabled((a), (b)) \
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? (void)0 \
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: arangodb::LogVoidify() & (arangodb::LoggerStream() \
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<< (a) << (b) \
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<< arangodb::Logger::LINE(__LINE__) \
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<< arangodb::Logger::FILE(__FILE__) \
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<< arangodb::Logger::FUNCTION(__FUNCTION__))
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message given that a condition is true
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////////////////////////////////////////////////////////////////////////////////
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#define LOG_IF(a, cond) \
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!(arangodb::Logger::isEnabled((arangodb::LogLevel::a)) && (cond)) \
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? (void)0 \
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: arangodb::LogVoidify() & (arangodb::LoggerStream() \
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<< (arangodb::LogLevel::a) \
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<< arangodb::Logger::LINE(__LINE__) \
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<< arangodb::Logger::FILE(__FILE__) \
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<< arangodb::Logger::FUNCTION(__FUNCTION__))
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message for a topic given that a condition is true
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////////////////////////////////////////////////////////////////////////////////
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#define LOG_TOPIC_IF(a, b, cond) \
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!(arangodb::Logger::isEnabled((arangodb::LogLevel::a), (b)) && (cond)) \
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? (void)0 \
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: arangodb::LogVoidify() & (arangodb::LoggerStream() \
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<< (arangodb::LogLevel::a) << (b) \
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<< arangodb::Logger::LINE(__LINE__) \
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<< arangodb::Logger::FILE(__FILE__) \
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<< arangodb::Logger::FUNCTION(__FUNCTION__))
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message for debugging during development
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////////////////////////////////////////////////////////////////////////////////
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#define LOG_DEVEL LOG_TOPIC(ERR,Logger::FIXME) << "###### "
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#define LOG_DEVEL_IF(cond) LOG_TOPIC_IF(ERR,Logger::FIXME,(cond)) << "###### "
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message every N.the time
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////////////////////////////////////////////////////////////////////////////////
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#define LOG_EVERY_N_VARNAME(base, line) LOG_EVERY_N_VARNAME_CONCAT(base, line)
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#define LOG_EVERY_N_VARNAME_CONCAT(base, line) base##line
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#define LOG_OCCURRENCES LOG_EVERY_N_VARNAME(occurrences_, __LINE__)
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#define LOG_OCCURRENCES_MOD_N LOG_EVERY_N_VARNAME(occurrences_mod_n_, __LINE__)
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#define LOG_EVERY_N(a, n) \
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static int LOG_OCCURRENCES = 0, LOG_OCCURRENCES_MOD_N = 0; \
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++LOG_OCCURRENCES; \
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if (++LOG_OCCURRENCES_MOD_N > n) LOG_OCCURRENCES_MOD_N -= n; \
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if (LOG_OCCURRENCES_MOD_N == 1) \
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!(arangodb::Logger::isEnabled((arangodb::LogLevel::a)) && \
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(LOG_OCCURRENCES_MOD_N == 1)) \
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? (void)0 \
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: arangodb::LogVoidify() & (arangodb::LoggerStream() \
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<< (arangodb::LogLevel::a) \
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<< arangodb::Logger::LINE(__LINE__) \
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<< arangodb::Logger::FILE(__FILE__) \
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<< arangodb::Logger::FUNCTION(__FUNCTION__))
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////////////////////////////////////////////////////////////////////////////////
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/// @brief logs a message for a topic every N.the time
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////////////////////////////////////////////////////////////////////////////////
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#define LOG_TOPIC_EVERY_N(a, b, n) \
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static int LOG_OCCURRENCES = 0, LOG_OCCURRENCES_MOD_N = 0; \
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++LOG_OCCURRENCES; \
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if (++LOG_OCCURRENCES_MOD_N > n) LOG_OCCURRENCES_MOD_N -= n; \
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if (LOG_OCCURRENCES_MOD_N == 1) \
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!(arangodb::Logger::isEnabled((arangodb::LogLevel::a), (b)) && \
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(LOG_OCCURRENCES_MOD_N == 1)) \
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? (void)0 \
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: arangodb::LogVoidify() & (arangodb::LoggerStream() \
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<< (arangodb::LogLevel::a) << (b) \
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<< arangodb::Logger::LINE(__LINE__) \
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<< arangodb::Logger::FILE(__FILE__) \
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<< arangodb::Logger::FUNCTION(__FUNCTION__))
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////////////////////////////////////////////////////////////////////////////////
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/// @brief helper class for macros
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////////////////////////////////////////////////////////////////////////////////
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namespace arangodb {
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class LoggerStream;
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class LogVoidify {
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public:
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LogVoidify() {}
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void operator&(LoggerStream const&) {}
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};
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}
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#endif
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