113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
/*
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* Copyright 2009, 2010 Free Software Foundation, Inc.
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* Copyright 2010 Kestrel Signal Processing, Inc.
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*
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* This software is distributed under the terms of the GNU Affero Public License.
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* See the COPYING file in the main directory for details.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LOGGER_H
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#define LOGGER_H
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#include <syslog.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <sstream>
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#include <list>
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#include <map>
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#include <string>
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#include "Threads.h"
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#define _LOG(level) \
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Log(LOG_##level).get() << pthread_self() \
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<< " " __FILE__ ":" << __LINE__ << ":" << __FUNCTION__ << ": "
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#ifdef NDEBUG
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#define LOG(wLevel) \
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if (LOG_##wLevel!=LOG_DEBUG && gGetLoggingLevel(__FILE__)>=LOG_##wLevel) _LOG(wLevel)
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#else
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#define LOG(wLevel) \
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if (gGetLoggingLevel(__FILE__)>=LOG_##wLevel) _LOG(wLevel)
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#endif
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#define OBJLOG(wLevel) \
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LOG(wLevel) << "obj: " << this << ' '
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#define LOG_ASSERT(x) { if (!(x)) LOG(EMERG) << "assertion " #x " failed"; } assert(x);
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#define DEFAULT_MAX_ALARMS 10
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/**
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A C++ stream-based thread-safe logger.
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Derived from Dr. Dobb's Sept. 2007 issue.
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Updated to use syslog.
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This object is NOT the global logger;
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every log record is an object of this class.
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*/
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class Log {
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public:
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protected:
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std::ostringstream mStream; ///< This is where we buffer up the log entry.
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int mPriority; ///< Priority of current repot.
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bool mDummyInit;
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public:
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Log(int wPriority)
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:mPriority(wPriority), mDummyInit(false)
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{ }
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Log(const char* name, const char* level=NULL, int facility=LOG_USER);
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// Most of the work is in the desctructor.
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/** The destructor actually generates the log entry. */
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~Log();
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std::ostringstream& get();
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};
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std::list<std::string> gGetLoggerAlarms(); ///< Get a copy of the recent alarm list.
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/**@ Global control and initialization of the logging system. */
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//@{
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/** Initialize the global logging system. */
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void gLogInit(const char* name, const char* level=NULL, int facility=LOG_USER);
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/** Get the logging level associated with a given file. */
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int gGetLoggingLevel(const char *filename=NULL);
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/** Allow early logging when still in constructors */
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void gLogEarly(int level, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
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//@}
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#endif
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// vim: ts=4 sw=4
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