mirror of https://gitee.com/bigwinds/arangodb
92 lines
2.8 KiB
C++
92 lines
2.8 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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#ifndef ARANGODB_LOGGER_LOG_APPENDER_H
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#define ARANGODB_LOGGER_LOG_APPENDER_H 1
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#include <stddef.h>
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#include <functional>
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#include <map>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "Basics/Common.h"
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#include "Logger/LogLevel.h"
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namespace arangodb {
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class LogTopic;
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struct LogMessage;
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class Mutex;
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class LogAppender {
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public:
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static void addLogger(std::function<void(LogMessage*)>);
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static void addAppender(std::string const& definition,
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std::string const& contentFilter = "");
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static std::pair<std::shared_ptr<LogAppender>, LogTopic*> buildAppender(
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std::string const& definition, std::string const& contentFilter);
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static void log(LogMessage*);
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static void reopen();
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static void shutdown();
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public:
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explicit LogAppender(std::string const& filter) : _filter(filter) {}
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virtual ~LogAppender() {}
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public:
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virtual void logMessage(LogLevel, std::string const& message, size_t offset) = 0;
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virtual std::string details() = 0;
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public:
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void logMessage(LogLevel level, std::string const& message) {
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logMessage(level, message, 0);
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}
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bool checkContent(std::string const& message) {
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return _filter.empty() || (message.find(_filter) != std::string::npos);
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}
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static bool allowStdLogging() { return _allowStdLogging; }
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static void allowStdLogging(bool value) { _allowStdLogging = value; }
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protected:
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std::string const _filter; // an optional content filter for log messages
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private:
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static Mutex _appendersLock;
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static std::map<size_t, std::vector<std::shared_ptr<LogAppender>>> _topics2appenders;
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static std::map<std::pair<std::string, std::string>, std::shared_ptr<LogAppender>> _definition2appenders;
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static std::vector<std::function<void(LogMessage*)>> _loggers;
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static bool _allowStdLogging;
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};
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} // namespace arangodb
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#endif
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