mirror of
https://github.com/Icinga/icinga2.git
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147 lines
3.9 KiB
C++
147 lines
3.9 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more 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 this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef LOGGER_H
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#define LOGGER_H
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#include "base/i2-base.hpp"
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#include "base/logger.thpp"
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#include <set>
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#include <sstream>
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namespace icinga
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{
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/**
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* Log severity.
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*
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* @ingroup base
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*/
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enum LogSeverity
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{
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LogDebug,
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LogNotice,
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LogInformation,
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LogWarning,
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LogCritical
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};
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/**
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* A log entry.
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*
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* @ingroup base
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*/
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struct LogEntry {
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double Timestamp; /**< The timestamp when this log entry was created. */
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LogSeverity Severity; /**< The severity of this log entry. */
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String Facility; /**< The facility this log entry belongs to. */
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String Message; /**< The log entry's message. */
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};
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/**
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* A log provider.
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*
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* @ingroup base
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*/
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class I2_BASE_API Logger : public ObjectImpl<Logger>
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{
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public:
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DECLARE_OBJECT(Logger);
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static String SeverityToString(LogSeverity severity);
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static LogSeverity StringToSeverity(const String& severity);
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LogSeverity GetMinSeverity(void) const;
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/**
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* Processes the log entry and writes it to the log that is
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* represented by this ILogger object.
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*
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* @param entry The log entry that is to be processed.
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*/
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virtual void ProcessLogEntry(const LogEntry& entry) = 0;
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virtual void Flush(void) = 0;
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static std::set<Logger::Ptr> GetLoggers(void);
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static void DisableConsoleLog(void);
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static void EnableConsoleLog(void);
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static bool IsConsoleLogEnabled(void);
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static void DisableTimestamp(bool);
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static bool IsTimestampEnabled(void);
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static void SetConsoleLogSeverity(LogSeverity logSeverity);
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static LogSeverity GetConsoleLogSeverity(void);
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static void StaticInitialize(void);
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protected:
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virtual void Start(bool runtimeCreated) override;
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virtual void Stop(bool runtimeRemoved) override;
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private:
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static boost::mutex m_Mutex;
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static std::set<Logger::Ptr> m_Loggers;
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static bool m_ConsoleLogEnabled;
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static bool m_TimestampEnabled;
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static LogSeverity m_ConsoleLogSeverity;
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};
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I2_BASE_API void IcingaLog(LogSeverity severity, const String& facility, const String& message);
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class Log
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{
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public:
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inline Log(LogSeverity severity, const String& facility, const String& message)
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: m_Severity(severity), m_Facility(facility)
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{
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m_Buffer << message;
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}
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inline Log(LogSeverity severity, const String& facility)
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: m_Severity(severity), m_Facility(facility)
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{ }
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inline ~Log(void)
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{
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IcingaLog(m_Severity, m_Facility, m_Buffer.str());
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}
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template<typename T>
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Log& operator<<(const T& val)
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{
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m_Buffer << val;
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return *this;
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}
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private:
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LogSeverity m_Severity;
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String m_Facility;
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std::ostringstream m_Buffer;
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Log(void);
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Log(const Log& other);
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Log& operator=(const Log& rhs);
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};
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}
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#endif /* LOGGER_H */
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