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#include "Logger.h"

#include <iostream> // for 'cout', 'cerr' and 'clog'
using namespace std;


Logger::Logger ( ):
mLogLevel(LOG_DEBUG),
mMsgLevel(LOG_DEBUG)
{
  clog.rdbuf(cout.rdbuf());
}


Logger::Logger ( int log_level ):
mLogLevel(LOG_DEBUG),
mMsgLevel(LOG_DEBUG)
{
  clog.rdbuf(cout.rdbuf());
  setLogLevel(log_level);
}


Logger::Logger ( ofstream & log_file, int log_level ):
mLogLevel(LOG_DEBUG),
mMsgLevel(LOG_DEBUG)
{
  if (log_file)
  {
    clog.rdbuf(log_file.rdbuf());
  }
  else
  {
    clog.rdbuf(cout.rdbuf());
  }
  setLogLevel(log_level);
}


Logger::~Logger ( )
{
  clog.rdbuf(cout.rdbuf());
}


Logger & Logger::operator() ( int msg_level )
{
  setMsgLevel(msg_level);

  return (*this);
}


ostream & operator<< ( ostream & os, const Logger & logger )
{
  static ofstream bin ("/dev/null");
  
  if (logger.getMsgLevel() >= logger.getLogLevel())
  {
    os << "Maximus(" << dec << logger.getCurrentTickValue() << "): ";
    if (LOG_WARNING ==logger.getMsgLevel())
    {
      os << "WARNING ";
    }
    else if (LOG_ERROR ==logger.getMsgLevel())
    {
      os << "ERROR ";
    }
    return os;
  }
  else
  {
    return bin;
  }
}


void Logger::setLogFile ( ofstream & log_file )
{
  if (log_file)
  {
    clog.rdbuf(log_file.rdbuf());
  }
}


int Logger::getLogLevel ( ) const
{
  return mLogLevel;
}


void Logger::setLogLevel ( int log_level )
{
  if ( (LOG_DEBUG <= log_level) && (LOG_NONE >= log_level) )
  {
    mLogLevel = log_level;
  }
}


int Logger::getMsgLevel ( ) const
{
  return mMsgLevel;
}


void Logger::setMsgLevel ( int msg_level )
{
  if ( (LOG_DEBUG <= msg_level) && (LOG_NONE >= msg_level) )
  {
    mMsgLevel = msg_level;
  }
}


Network_Clock_Tick Logger::getCurrentTickValue ( ) const
{
  return mCurrentTickValue;
}


bool Logger::updateTickValue ( const Network_Clock_Tick current_tick_value )
{
  mCurrentTickValue = current_tick_value;
  
  return true;
}