C++ LogLevel函数代码示例

bool Log::SetLogLevel(std::string const& name, const char* newLevelc, bool isLogger /* = true */)
{
    LogLevel newLevel = LogLevel(atoi(newLevelc));
    if (newLevel < 0)
        return false;

    if (isLogger)
    {
        LoggerMap::iterator it = loggers.begin();
        while (it != loggers.end() && it->second.getName() != name)
            ++it;

        if (it == loggers.end())
            return false;

        it->second.setLogLevel(newLevel);

        if (newLevel != LOG_LEVEL_DISABLED && newLevel < lowestLogLevel)
            lowestLogLevel = newLevel;
    }
    else
    {
        Appender* appender = GetAppenderByName(name);
        if (!appender)
            return false;

        appender->setLogLevel(newLevel);
    }

    return true;
}

void Log::CreateLoggerFromConfig(std::string const& appenderName)
{
    if (appenderName.empty())
        return;

    LogLevel level = LOG_LEVEL_DISABLED;
    uint8 type = uint8(-1);

    std::string options = sConfigMgr->GetStringDefault(appenderName.c_str(), "");
    std::string name = appenderName.substr(7);

    if (options.empty())
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Missing config option Logger.%s\n", name.c_str());
        return;
    }

    Tokenizer tokens(options, ',');
    Tokenizer::const_iterator iter = tokens.begin();

    if (tokens.size() != 2)
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Wrong config option Logger.%s=%s\n", name.c_str(), options.c_str());
        return;
    }

    Logger& logger = loggers[name];
    if (!logger.getName().empty())
    {
        fprintf(stderr, "Error while configuring Logger %s. Already defined\n", name.c_str());
        return;
    }

    level = LogLevel(atoi(*iter));
    if (level > LOG_LEVEL_FATAL)
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Wrong Log Level %u for logger %s\n", type, name.c_str());
        return;
    }

    logger.Create(name, level);
    //fprintf(stdout, "Log::CreateLoggerFromConfig: Created Logger %s, Level %u\n", name.c_str(), level);

    ++iter;
    std::istringstream ss(*iter);
    std::string str;

    ss >> str;
    while (ss)
    {
        if (Appender* appender = GetAppenderByName(str))
        {
            logger.addAppender(appender->getId(), appender);
            //fprintf(stdout, "Log::CreateLoggerFromConfig: Added Appender %s to Logger %s\n", appender->getName().c_str(), name.c_str());
        }
        else
            fprintf(stderr, "Error while configuring Appender %s in Logger %s. Appender does not exist", str.c_str(), name.c_str());
        ss >> str;
    }
}

bool LinuxHelper::SetDmxBaud(int fd) {
#if defined(HAVE_STROPTS_H) && defined(HAVE_TERMIOS2)
  static const int rate = 250000;

  struct termios2 tio;  // linux-specific terminal stuff

  if (ioctl(fd, TCGETS2, &tio) < 0) {
    return false;
  }

  tio.c_cflag &= ~CBAUD;
  tio.c_cflag |= BOTHER;
  tio.c_ispeed = rate;
  tio.c_ospeed = rate;  // set custom speed directly
  if (ioctl(fd, TCSETS2, &tio) < 0) {
    return false;
  }

  if (LogLevel() >= OLA_LOG_INFO) {
    if (ioctl(fd, TCGETS2, &tio) < 0) {
       OLA_INFO << "Error getting altered settings from port";
    } else {
       OLA_INFO << "Port speeds for " << fd << " are " << tio.c_ispeed
                << " in and " << tio.c_ospeed << " out";
    }
  }
  return true;
#else
  return false;
  (void) fd;
#endif  // defined(HAVE_STROPTS_H) && defined(HAVE_TERMIOS2)
}

void __Log ( const char* subsystem, int level, const char* message, ... )
{
    va_list va;
    va_start(va, message);
    char formatBuffer[512];
    sprintf(formatBuffer, "[%s] %s: %s\n", subsystem, LogLevel(level), message);
    vfprintf(stderr, formatBuffer, va);
    va_end(va);
}

void Log::CreateAppenderFromConfig(std::string const& appenderName)
{
    if (appenderName.empty())
        return;

    // Format=type, level, flags, optional1, optional2
    // if type = File. optional1 = file and option2 = mode
    // if type = Console. optional1 = Color
    std::string options = sConfigMgr->GetStringDefault(appenderName.c_str(), "");

    Tokenizer tokens(options, ',');
    Tokenizer::const_iterator iter = tokens.begin();

    size_t size = tokens.size();
    std::string name = appenderName.substr(9);

    if (size < 2)
    {
        fprintf(stderr, "Log::CreateAppenderFromConfig: Wrong configuration for appender %s. Config line: %s\n", name.c_str(), options.c_str());
        return;
    }

    AppenderFlags flags = APPENDER_FLAGS_NONE;
    AppenderType type = AppenderType(atoi(*iter++));
    LogLevel level = LogLevel(atoi(*iter++));

    if (level > LOG_LEVEL_FATAL)
    {
        fprintf(stderr, "Log::CreateAppenderFromConfig: Wrong Log Level %d for appender %s\n", level, name.c_str());
        return;
    }

    if (size > 2)
        flags = AppenderFlags(atoi(*iter++));

    auto factoryFunction = appenderFactory.find(type);
    if (factoryFunction == appenderFactory.end())
    {
        fprintf(stderr, "Log::CreateAppenderFromConfig: Unknown type %d for appender %s\n", type, name.c_str());
        return;
    }

    try
    {
        Appender* appender = factoryFunction->second(NextAppenderId(), name, level, flags, ExtraAppenderArgs(iter, tokens.end()));
        appenders[appender->getId()] = appender;
    }
    catch (InvalidAppenderArgsException const& iaae)
    {
        fprintf(stderr, "%s", iaae.what());
    }
}

bool stringToLogLevel(const std::string& log_level_text, LogLevel& log_level)
{
  for (size_t index = 0; index <= eLL_MUTE; ++index)
  {
    if (log_level_text == log_level_descriptions[index])
    {
      log_level = LogLevel(index);
      return true;
    }
  }

  return false;
}

void Logger::handle(LogItem item)
{
    LogLevel level = LogLevel(item.getLevel());
    if (level > mMaxLevel) mMaxLevel = level;

    /* Stuff happens here */

    /* Done happening */

    if (level > mSignalLevel)
        qFatal(qPrintable("***SIGNAL: " + item.toString()));
    else if (level > mExceptionLevel)
        qFatal(qPrintable("***EXEPTION: " + item.toString()));
    else if (level > mQuitLevel)
        qFatal(qPrintable("***QUIT: " + item.toString()));
}

/**
 * Verbatim output of the given log-message if LogLevel() >= level
 */
void
LogPrintfVerbatim (LogLevel_t level, const char* format, ...)
{

  if ( LogLevel() < level )
    return;

  va_list va;
  va_start(va, format);

  /* simply print this to output  */
  vfprintf (LogFile(), format, va );
  fflush(LogFile());

  va_end(va);

} /* LogPrintfVerbatim() */

/**
 * Output the given log-message, prefixed by a timestamp and level, if LogLevel() >= level
 */
void
LogPrintf (LogLevel_t level, const char* format, ...)
{

  if ( LogLevel() < level )
    return;

  va_list va;
  va_start(va, format);

  fprintf(LogFile(), "%s (%d) [%s]: ", LogGetTimestamp(), getpid(), LogFormatLevel(level) );
  vfprintf(LogFile(), format, va);
  fflush(LogFile());

  va_end(va);

} /* LogPrintf() */

void set_log_level(LogLevel l) {
  // snap to max level
  if (l > IMP_HAS_LOG) {
    l = LogLevel(IMP_HAS_LOG);
  }
#if IMP_BASE_HAS_LOG4CXX
  try {
    switch (l) {
      case PROGRESS:
      case SILENT:
        get_logger()->setLevel(log4cxx::Level::getOff());
        break;
      case WARNING:
        get_logger()->setLevel(log4cxx::Level::getWarn());
        break;
      case TERSE:
        get_logger()->setLevel(log4cxx::Level::getInfo());
        break;
      case VERBOSE:
        get_logger()->setLevel(log4cxx::Level::getDebug());
        break;
      case MEMORY:
        get_logger()->setLevel(log4cxx::Level::getTrace());
        break;
      case DEFAULT:
      case ALL_LOG:
      default:
        IMP_WARN("Unknown log level " << boost::lexical_cast<std::string>(l));
    }
  }
  catch (log4cxx::helpers::Exception &) {
    IMP_THROW("Invalid log level", ValueException);
  }
#else
  IMP_USAGE_CHECK(l >= SILENT && l < ALL_LOG,
                  "Setting log to invalid level: " << l);
#endif
  IMP_OMP_PRAGMA(critical(imp_log))
  if (internal::log_level != l) {
    internal::log_level = l;
  }
}

LogItem::Key Logger::enqueue(LogItem item)
{
    LogItem::Key key = item.getItemKey();
    LogLevel level = item.getLevel();
    if ( ! key || ! level ) return 0;

    /* Stuff happens here */

    /* Done happening */

    /* Output to Forks */
    foreach(LogFork * fork, mNameForkMap.values()) fork->write(item);

    /* Clean up and save */
    item.clearFormatted();
    mItemQueue.enqueue(item);
    if (LogLevel::Preamble == LogLevel(level)) mPreambleList.append(item);
    handle(item);
    return key;
}

    "Show all command line arguments including advanced ones and exit.", false);
AdvancedFlag<bool> show_seed("show_seed", "Print the random seed at startup.",
                             false);

AdvancedFlag<CheckLevel, IMP_HAS_CHECKS != IMP_NONE> check_level(
    "check_level",
    "The level of checking to use: \"NONE\", \"USAGE\" or "
    "\"USAGE_AND_INTERNAL\"",
    CheckLevel(IMP_HAS_CHECKS));

Flag<LogLevel, IMP_HAS_LOG != IMP_SILENT> log_level("log_level",
                                                    "The log level: "
                                                    "\"SILENT\", \"WARNING\", "
                                                    "\"PROGRESS\", \"TERSE\", "
                                                    "\"VERBOSE\"",
                                                    LogLevel(WARNING));

AdvancedFlag<StatisticsLevel> stats_level(
    "statistics_level",
    "The level of statistics to gather: \"NONE\" or \"ALL\".",
    StatisticsLevel(ALL_STATISTICS));

AdvancedFlag<bool, IMP_KERNEL_HAS_GPERFTOOLS> cpu_profile(
    "cpu_profile", "Perform CPU profiling.", false);
AdvancedFlag<bool, IMP_KERNEL_HAS_GPERFTOOLS> heap_profile(
    "heap_profile", "Perform heap profiling.", false);

AdvancedFlag<boost::int64_t, IMP_KERNEL_HAS_OPENMP> number_of_threads(
    "number_of_threads", "Number of threads to use.", 1);

namespace {

void Log::Initialize()
{
    /// Common log files data
    m_logsDir = sConfig.GetStringDefault("LogsDir","");
    if (!m_logsDir.empty())
    {
        if ((m_logsDir.at(m_logsDir.length()-1)!='/') && (m_logsDir.at(m_logsDir.length()-1)!='\\'))
            m_logsDir.append("/");
    }

    m_logsTimestamp = "_" + GetTimestampStr();

    /// Open specific log files
    logfile = openLogFile("LogFile","LogTimestamp","w");

    m_gmlog_per_account = sConfig.GetBoolDefault("GmLogPerAccount",false);
    if (!m_gmlog_per_account)
        gmLogfile = openLogFile("GMLogFile","GmLogTimestamp","a");
    else
    {
        // GM log settings for per account case
        m_gmlog_filename_format = sConfig.GetStringDefault("GMLogFile", "");
        if (!m_gmlog_filename_format.empty())
        {
            bool m_gmlog_timestamp = sConfig.GetBoolDefault("GmLogTimestamp",false);

            size_t dot_pos = m_gmlog_filename_format.find_last_of(".");
            if (dot_pos!=m_gmlog_filename_format.npos)
            {
                if (m_gmlog_timestamp)
                    m_gmlog_filename_format.insert(dot_pos,m_logsTimestamp);

                m_gmlog_filename_format.insert(dot_pos,"_#%u");
            }
            else
            {
                m_gmlog_filename_format += "_#%u";

                if (m_gmlog_timestamp)
                    m_gmlog_filename_format += m_logsTimestamp;
            }

            m_gmlog_filename_format = m_logsDir + m_gmlog_filename_format;
        }
    }

    charLogfile = openLogFile("CharLogFile","CharLogTimestamp","a");
    dberLogfile = openLogFile("DBErrorLogFile",NULL,"a");
    raLogfile = openLogFile("RaLogFile",NULL,"a");
    worldLogfile = openLogFile("WorldLogFile","WorldLogTimestamp","a");

    // Main log file settings
    m_includeTime  = sConfig.GetBoolDefault("LogTime", false);
    m_logLevel     = LogLevel(sConfig.GetIntDefault("LogLevel", 0));
    m_logFileLevel = LogLevel(sConfig.GetIntDefault("LogFileLevel", 0));
    InitColors(sConfig.GetStringDefault("LogColors", ""));

    m_logFilter = 0;

    if (sConfig.GetBoolDefault("LogFilter_TransportMoves",     true))
        m_logFilter |= LOG_FILTER_TRANSPORT_MOVES;
    if (sConfig.GetBoolDefault("LogFilter_CreatureMoves",      true))
        m_logFilter |= LOG_FILTER_CREATURE_MOVES;
    if (sConfig.GetBoolDefault("LogFilter_VisibilityChanges",  true))
        m_logFilter |= LOG_FILTER_VISIBILITY_CHANGES;
    if (sConfig.GetBoolDefault("LogFilter_AchievementUpdates", true))
        m_logFilter |= LOG_FILTER_ACHIEVEMENT_UPDATES;
    if (sConfig.GetBoolDefault("LogFilter_Weather",            true))
        m_logFilter |= LOG_FILTER_WEATHER;

    if (sConfig.GetBoolDefault("LogFilter_SQLText",            false))
        m_logFilter |= LOG_FILTER_SQL_TEXT;
    if (sConfig.GetBoolDefault("LogFilter_PlayerMoves",        false))
        m_logFilter |= LOG_FILTER_PLAYER_MOVES;
    if (sConfig.GetBoolDefault("LogFilter_PeriodicAffects",    false))
        m_logFilter |= LOG_FILTER_PERIODIC_AFFECTS;
    if (sConfig.GetBoolDefault("LogFilter_AIAndMovegens",      false))
        m_logFilter |= LOG_FILTER_AI_AND_MOVEGENSS;

    // Char log settings
    m_charLog_Dump = sConfig.GetBoolDefault("CharLogDump", false);
}

void Log::CreateAppenderFromConfig(const char* name)
{
    if (!name || *name == '\0')
        return;

    // Format=type,level,flags,optional1,optional2
    // if type = File. optional1 = file and option2 = mode
    // if type = Console. optional1 = Color
    std::string options = "Appender.";
    options.append(name);
    options = ConfigMgr::GetStringDefault(options.c_str(), "");
    Tokenizer tokens(options, ',');
    Tokenizer::const_iterator iter = tokens.begin();

    if (tokens.size() < 2)
    {
        fprintf(stderr, "Log::CreateAppenderFromConfig: Wrong configuration for appender %s. Config line: %s\n", name, options.c_str());
        return;
    }

    AppenderFlags flags = APPENDER_FLAGS_NONE;
    AppenderType type = AppenderType(atoi(*iter));
    ++iter;
    LogLevel level = LogLevel(atoi(*iter));
    if (level > LOG_LEVEL_FATAL)
    {
        fprintf(stderr, "Log::CreateAppenderFromConfig: Wrong Log Level %d for appender %s\n", level, name);
        return;
    }

    if (++iter != tokens.end())
        flags = AppenderFlags(atoi(*iter));

    switch (type)
    {
        case APPENDER_CONSOLE:
        {
            AppenderConsole* appender = new AppenderConsole(NextAppenderId(), name, level, flags);
            appenders[appender->getId()] = appender;
            if (++iter != tokens.end())
                appender->InitColors(*iter);
            //fprintf(stdout, "Log::CreateAppenderFromConfig: Created Appender %s (%u), Type CONSOLE, Mask %u\n", appender->getName().c_str(), appender->getId(), appender->getLogLevel()); // DEBUG - RemoveMe
            break;
        }
        case APPENDER_FILE:
        {
            std::string filename;
            std::string mode = "a";

            if (++iter == tokens.end())
            {
                fprintf(stderr, "Log::CreateAppenderFromConfig: Missing file name for appender %s\n", name);
                return;
            }

            filename = *iter;

            if (++iter != tokens.end())
                mode = *iter;

            if (flags & APPENDER_FLAGS_USE_TIMESTAMP)
            {
                size_t dot_pos = filename.find_last_of(".");
                if (dot_pos != filename.npos)
                    filename.insert(dot_pos, m_logsTimestamp);
                else
                    filename += m_logsTimestamp;
            }

            uint8 id = NextAppenderId();
            appenders[id] = new AppenderFile(id, name, level, filename.c_str(), m_logsDir.c_str(), mode.c_str(), flags);
            //fprintf(stdout, "Log::CreateAppenderFromConfig: Created Appender %s (%u), Type FILE, Mask %u, File %s, Mode %s\n", name, id, level, filename.c_str(), mode.c_str()); // DEBUG - RemoveMe
            break;
        }
        case APPENDER_DB:
        {
            uint8 id = NextAppenderId();
            appenders[id] = new AppenderDB(id, name, level, realm);
            break;
        }
        default:
            fprintf(stderr, "Log::CreateAppenderFromConfig: Unknown type %d for appender %s\n", type, name);
            break;
    }
}

void Log::CreateLoggerFromConfig(const char* name)
{
    if (!name || *name == '\0')
        return;

    LogLevel level = LOG_LEVEL_DISABLED;
    int32 type = -1;

    std::string options = "Logger.";
    options.append(name);
    options = ConfigMgr::GetStringDefault(options.c_str(), "");

    if (options.empty())
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Missing config option Logger.%s\n", name);
        return;
    }

    Tokenizer tokens(options, ',');
    Tokenizer::const_iterator iter = tokens.begin();

    if (tokens.size() != 3)
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Wrong config option Logger.%s=%s\n", name, options.c_str());
        return;
    }

    type = atoi(*iter);
    if (type > MaxLogFilter)
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Wrong type %u for logger %s\n", type, name);
        return;
    }

    Logger& logger = loggers[type];
    if (!logger.getName().empty())
    {
        fprintf(stderr, "Error while configuring Logger %s. Already defined\n", name);
        return;
    }

    ++iter;
    level = LogLevel(atoi(*iter));
    if (level > LOG_LEVEL_FATAL)
    {
        fprintf(stderr, "Log::CreateLoggerFromConfig: Wrong Log Level %u for logger %s\n", type, name);
        return;
    }

    logger.Create(name, LogFilterType(type), level);
    //fprintf(stdout, "Log::CreateLoggerFromConfig: Created Logger %s, Type %u, mask %u\n", name, LogFilterType(type), level); // DEBUG - RemoveMe

    ++iter;
    std::istringstream ss(*iter);
    std::string str;

    ss >> str;
    while (ss)
    {
        if (Appender* appender = GetAppenderByName(str))
        {
            logger.addAppender(appender->getId(), appender);
            //fprintf(stdout, "Log::CreateLoggerFromConfig: Added Appender %s to Logger %s\n", appender->getName().c_str(), name); // DEBUG - RemoveMe
        }
        else
            fprintf(stderr, "Error while configuring Appender %s in Logger %s. Appender does not exist", str.c_str(), name);
        ss >> str;
    }
}