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/*
* Copyright 2009, 2010 Free Software Foundation, Inc.
* Copyright 2010 Kestrel Signal Processing, Inc.
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LOGGER_H
#define LOGGER_H
#include <syslog.h>
#include <stdint.h>
#include <stdio.h>
#include <sstream>
#include <list>
#include <map>
#include <string>
#include "Threads.h"
#define _LOG(level) \
Log(LOG_##level).get() << pthread_self() \
<< " " __FILE__ ":" << __LINE__ << ":" << __FUNCTION__ << ": "
#define LOG(wLevel) \
if (gGetLoggingLevel(__FILE__)>=LOG_##wLevel) _LOG(wLevel)
#define OBJLOG(wLevel) \
if (gGetLoggingLevel(__FILE__)>=LOG_##wLevel) _LOG(wLevel) << "obj: " << this << ' '
#define LOG_ASSERT(x) { if (!(x)) LOG(EMERG) << "assertion " #x " failed"; } assert(x);
#define DEFAULT_MAX_ALARMS 10
/**
A C++ stream-based thread-safe logger.
Derived from Dr. Dobb's Sept. 2007 issue.
Updated to use syslog.
This object is NOT the global logger;
every log record is an object of this class.
*/
class Log {
public:
protected:
std::ostringstream mStream; ///< This is where we buffer up the log entry.
int mPriority; ///< Priority of current repot.
public:
Log(int wPriority)
:mPriority(wPriority)
{ }
// Most of the work is in the desctructor.
/** The destructor actually generates the log entry. */
~Log();
std::ostringstream& get();
};
std::list<std::string> gGetLoggerAlarms(); ///< Get a copy of the recent alarm list.
/**@ Global control and initialization of the logging system. */
//@{
/** Initialize the global logging system. */
void gLogInit(const char* name, const char* level=NULL, int facility=LOG_USER);
/** Get the logging level associated with a given file. */
int gGetLoggingLevel(const char *filename=NULL);
//@}
#endif
// vim: ts=4 sw=4
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