139 lines
3.2 KiB
C++
139 lines
3.2 KiB
C++
#include "utils/Logger.h"
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#include <iostream>
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#include <algorithm>
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#include <syslog.h>
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#include <map>
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#include <QFileInfo>
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#include <QString>
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std::string getBaseName( std::string sourceFile)
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{
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QFileInfo fi( sourceFile.c_str() );
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return fi.fileName().toStdString();
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}
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static const char * LogLevelStrings[] = { "", "DEBUG", "INFO", "WARNING", "ERROR" };
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static const int LogLevelSysLog[] = { LOG_DEBUG, LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERR };
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static unsigned int loggerCount = 0;
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static unsigned int loggerId = 0;
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std::map<std::string,Logger*> *Logger::LoggerMap = nullptr;
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Logger::LogLevel Logger::GLOBAL_MIN_LOG_LEVEL = Logger::UNSET;
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Logger* Logger::getInstance(std::string name, Logger::LogLevel minLevel)
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{
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if (LoggerMap == nullptr)
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{
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LoggerMap = new std::map<std::string,Logger*>;
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}
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if ( LoggerMap->find(name) == LoggerMap->end() )
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{
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Logger* log = new Logger(name,minLevel);
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LoggerMap->insert(std::pair<std::string,Logger*>(name,log)); // compat version, replace it with following line if we have 100% c++11
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//LoggerMap->emplace(name,log); // not compat with older linux distro's e.g. wheezy
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return log;
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}
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return LoggerMap->at(name);
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}
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void Logger::deleteInstance(std::string name)
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{
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if (LoggerMap == nullptr)
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return;
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if ( name.empty() )
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{
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std::map<std::string,Logger*>::iterator it;
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for ( it=LoggerMap->begin(); it != LoggerMap->end(); it++)
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{
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delete it->second;
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}
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LoggerMap->clear();
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}
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else if (LoggerMap->find(name) != LoggerMap->end())
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{
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delete LoggerMap->at(name);
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LoggerMap->erase(name);
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}
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}
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void Logger::setLogLevel(LogLevel level,std::string name)
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{
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if ( name.empty() )
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{
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GLOBAL_MIN_LOG_LEVEL = level;
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}
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else
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{
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Logger* log = Logger::getInstance(name,level);
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log->setMinLevel(level);
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}
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}
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Logger::Logger ( std::string name, LogLevel minLevel ):
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_name(name),
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_minLevel(minLevel),
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_syslogEnabled(true),
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_loggerId(loggerId++)
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{
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#ifdef __GLIBC__
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_appname = std::string(program_invocation_short_name);
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#else
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_appname = std::string(getprogname());
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#endif
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std::transform(_appname.begin(), _appname.end(),_appname.begin(), ::toupper);
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loggerCount++;
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if (_syslogEnabled && loggerCount == 1 )
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{
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openlog (program_invocation_short_name, LOG_CONS | LOG_PID | LOG_NDELAY, LOG_LOCAL0);
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}
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}
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Logger::~Logger()
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{
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Debug(this, "logger '%s' destroyed", _name.c_str() );
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loggerCount--;
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if ( loggerCount == 0 )
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closelog();
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}
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void Logger::Message(LogLevel level, const char* sourceFile, const char* func, unsigned int line, const char* fmt, ...)
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{
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if ( (GLOBAL_MIN_LOG_LEVEL == Logger::UNSET && level < _minLevel) // no global level, use level from logger
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|| (GLOBAL_MIN_LOG_LEVEL > Logger::UNSET && level < GLOBAL_MIN_LOG_LEVEL) ) // global level set, use global level
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return;
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char msg[512];
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va_list args;
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va_start (args, fmt);
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vsprintf (msg,fmt, args);
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va_end (args);
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std::string location;
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std::string function(func);
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if ( level == Logger::DEBUG )
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{
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location = "<" + getBaseName(sourceFile) + ":" + QString::number(line).toStdString()+":"+ function + "()> ";
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}
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std::cout
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<< "[" << _appname << " " << _name << "] <"
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<< LogLevelStrings[level] << "> " << location << msg
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<< std::endl;
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if ( _syslogEnabled && level >= Logger::WARNING )
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syslog (LogLevelSysLog[level], "%s", msg);
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}
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