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/***************************************************************************
* Copyright (C) gempa GmbH *
* All rights reserved. *
* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
* *
* GNU Affero General Public License Usage *
* This file may be used under the terms of the GNU Affero *
* Public License version 3.0 as published by the Free Software Foundation *
* and appearing in the file LICENSE included in the packaging of this *
* file. Please review the following information to ensure the GNU Affero *
* Public License version 3.0 requirements will be met: *
* https://www.gnu.org/licenses/agpl-3.0.html. *
* *
* Other Usage *
* Alternatively, this file may be used in accordance with the terms and *
* conditions contained in a signed written agreement between you and *
* gempa GmbH. *
***************************************************************************/
#ifndef SC_LOGGING_OUTPUT_H
#define SC_LOGGING_OUTPUT_H
#include <seiscomp/logging/node.h>
#include <seiscomp/logging/log.h>
namespace Seiscomp {
namespace Logging {
/**
* \brief Logging output class
*
* To implement a special kind of logging output,
* derive from this class and implement the
* method Output::log(...) to receive logging
* messages.
* \code
* MyOutput log;
* log.subscribe(GetAll());
* \endcode
*/
class SC_SYSTEM_CORE_API Output : public Node {
protected:
Output();
public:
virtual ~Output() {}
public:
/** Subscribe to a particular channel */
bool subscribe(Channel* channel);
bool unsubscribe(Channel* channel);
void logComponent(bool e) { _logComponent = e; }
void logContext(bool e) { _logContext = e; }
void setUTCEnabled(bool e) { _useUTC = e; }
protected:
/** Callback method for receiving log messages */
virtual void log(const char* channelName,
LogLevel level,
const char* msg,
time_t time) = 0;
/** The following methods calls are only valid inside the
log(...) method */
/** Returns the current component name */
const char* component() const;
/** Returns the sourcefile of the current log entry */
const char* fileName() const;
/** Returns the function name of the current log entry */
const char* functionName() const;
/** Returns the line number of the current log entry */
int lineNum() const;
private:
void publish(const Data &data);
protected:
bool _logComponent;
bool _logContext;
bool _useUTC;
private:
PublishLoc* _publisher;
};
}
}
#endif