icinga2/lib/base/logger.h

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/******************************************************************************
* Icinga 2 *
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* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
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* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef LOGGER_H
#define LOGGER_H
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#include "base/i2-base.h"
#include "base/dynamicobject.h"
#include "base/logger_fwd.h"
#include <set>
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namespace icinga
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{
/**
* A lot entry.
*
* @ingroup base
*/
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struct LogEntry {
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double Timestamp; /**< The timestamp when this log entry was created. */
LogSeverity Severity; /**< The severity of this log entry. */
String Facility; /**< The facility this log entry belongs to. */
String Message; /**< The log entry's message. */
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};
/**
* A log provider.
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*
* @ingroup base
*/
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class I2_BASE_API Logger : public DynamicObject
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{
public:
DECLARE_PTR_TYPEDEFS(Logger);
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static String SeverityToString(LogSeverity severity);
static LogSeverity StringToSeverity(const String& severity);
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LogSeverity GetMinSeverity(void) const;
/**
* Processes the log entry and writes it to the log that is
* represented by this ILogger object.
*
* @param entry The log entry that is to be processed.
*/
virtual void ProcessLogEntry(const LogEntry& entry) = 0;
static std::set<Logger::Ptr> GetLoggers(void);
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protected:
virtual void Start(void);
virtual void Stop(void);
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virtual void InternalSerialize(const Dictionary::Ptr& bag, int attributeTypes) const;
virtual void InternalDeserialize(const Dictionary::Ptr& bag, int attributeTypes);
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private:
String m_Severity;
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static boost::mutex m_Mutex;
static std::set<Logger::Ptr> m_Loggers;
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friend void Log(LogSeverity severity, const String& facility,
const String& message);
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};
}
#endif /* LOGGER_H */