/* ---------------------------------------------------------------------------
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** This software is in the public domain, furnished "as is", without technical
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** support, and with no warranty, express or implied, as to its usefulness for
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** any purpose.
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**
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** logger.h
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**
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** -------------------------------------------------------------------------*/
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#ifndef LOGGER_H
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#define LOGGER_H
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#include <unistd.h>
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#include "log4cpp/Category.hh"
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#include "log4cpp/FileAppender.hh"
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#include "log4cpp/PatternLayout.hh"
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#define LOG(__level) log4cpp::Category::getRoot() << log4cpp::Priority::__level << __FILE__ << ":" << __LINE__ << "\t"
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#define LOGP(__level, __format, arg...) log4cpp::Category::getRoot().log(log4cpp::Priority::__level, "%s:%d\t" __format, __FILE__, __LINE__, ##arg);
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#define LOG_DEBUG LOG(DEBUG) // Debug message do not care in any production environment
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#define LOG_INFO LOG(INFO) // Not significant event but useful for deal with online problem
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#define LOG_NOTICE LOG(NOTICE) // Important event
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#define LOG_WARN LOG(WARN) // Important event or input which will lead to errors
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#define LOG_ERROR LOG(ERROR) // Error message means program running in an abnormal (not expected) way
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inline void initLogger(int verbose)
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{
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// initialize log4cpp
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log4cpp::Category &log = log4cpp::Category::getRoot();
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log4cpp::Appender *app = new log4cpp::FileAppender("root", fileno(stdout));
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if (app)
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{
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log4cpp::PatternLayout *plt = new log4cpp::PatternLayout();
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if (plt)
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{
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plt->setConversionPattern("%d [%-6p] - %m%n");
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app->setLayout(plt);
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}
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log.addAppender(app);
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}
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switch (verbose)
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{
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case 2: log.setPriority(log4cpp::Priority::DEBUG); break;
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case 1: log.setPriority(log4cpp::Priority::INFO); break;
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default: log.setPriority(log4cpp::Priority::NOTICE); break;
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}
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LOG_INFO << "level:" << log4cpp::Priority::getPriorityName(log.getPriority());
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}
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#endif
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