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/* Maximus project {{{
 *
 * Copyright (C) 2012 MStar Semiconductor
 *
 * <<<Licence>>>
 *
 * }}} */
/**
 * \file    maximus/utils/src/Logger.cpp
 * \ingroup maximus_utils
 *
 */
#include "maximus/utils/inc/Logger.h"
#include <iostream>

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


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


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


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


LoggerStream operator<< ( std::ostream & os, const Logger & logger )
{
    if (logger.getMsgLevel() >= logger.getLogLevel())
    {
        os << "tick(0x" << std::hex << logger.getCurrentTickValue() << "): ";
        if (LOG_WARNING ==logger.getMsgLevel())
        {
            os << "WARNING ";
        }
        else if (LOG_ERROR ==logger.getMsgLevel())
        {
            os << "ERROR ";
        }
        return LoggerStream (os);
    }
    else
    {
        return LoggerStream ();
    }
}


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


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


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

    return true;
}