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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2014 Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
* Washington University in St. Louis,
* Beijing Institute of Technology
*
* This file is part of NFD (Named Data Networking Forwarding Daemon).
* See AUTHORS.md for complete list of NFD authors and contributors.
*
* NFD is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*
* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
**/
#include "logger-factory.hpp"
namespace nfd {
NFD_LOG_INIT("LoggerFactory");
LoggerFactory&
LoggerFactory::getInstance()
{
static LoggerFactory globalLoggerFactory;
return globalLoggerFactory;
}
LoggerFactory::LoggerFactory()
: m_defaultLevel(LOG_INFO)
{
m_levelNames["NONE"] = LOG_NONE;
m_levelNames["ERROR"] = LOG_ERROR;
m_levelNames["WARN"] = LOG_WARN;
m_levelNames["INFO"] = LOG_INFO;
m_levelNames["DEBUG"] = LOG_DEBUG;
m_levelNames["TRACE"] = LOG_TRACE;
m_levelNames["ALL"] = LOG_ALL;
}
void
LoggerFactory::setConfigFile(ConfigFile& config)
{
config.addSectionHandler("log", bind(&LoggerFactory::onConfig, this, _1, _2, _3));
}
LogLevel
LoggerFactory::parseLevel(const std::string& level)
{
std::string upperLevel = level;
boost::to_upper(upperLevel);
// std::cerr << "parsing level: " << upperLevel << std::endl;;
// std::cerr << "# levels: " << m_levelNames.size() << std::endl;
// std::cerr << m_levelNames.begin()->first << std::endl;
LevelMap::const_iterator levelIt = m_levelNames.find(upperLevel);
if (levelIt != m_levelNames.end())
{
return levelIt->second;
}
try
{
uint32_t levelNo = boost::lexical_cast<uint32_t>(level);
if ((LOG_NONE <= levelNo && levelNo <= LOG_TRACE) ||
levelNo == LOG_ALL)
{
return static_cast<LogLevel>(levelNo);
}
}
catch (const boost::bad_lexical_cast& error)
{
}
throw LoggerFactory::Error("Unsupported logging level \"" +
level + "\"");
}
void
LoggerFactory::onConfig(const ConfigSection& section,
bool isDryRun,
const std::string& filename)
{
// log
// {
// ; default_level specifies the logging level for modules
// ; that are not explicitly named. All debugging levels
// ; listed above the selected value are enabled.
//
// default_level INFO
//
// ; You may also override the default for specific modules:
//
// FibManager DEBUG
// Forwarder WARN
// }
// std::cerr << "loading logging configuration" << std::endl;
for (ConfigSection::const_iterator item = section.begin();
item != section.end();
++item)
{
std::string levelString;
try
{
levelString = item->second.get_value<std::string>();
}
catch (const boost::property_tree::ptree_error& error)
{
}
if (levelString.empty())
{
throw LoggerFactory::Error("No logging level found for option \"" + item->first + "\"");
}
LogLevel level = parseLevel(levelString);
if (item->first == "default_level")
{
if (!isDryRun)
{
setDefaultLevel(level);
}
}
else
{
LoggerMap::iterator loggerIt = m_loggers.find(item->first);
if (loggerIt == m_loggers.end())
{
NFD_LOG_DEBUG("Failed to configure logging level for module \"" <<
item->first << "\" (module not found)");
}
if (!isDryRun)
{
// std::cerr << "changing level for module " << item->first << " to " << level << std::endl;
loggerIt->second.setLogLevel(level);
}
}
}
}
void
LoggerFactory::setDefaultLevel(LogLevel level)
{
// std::cerr << "changing to default_level " << level << std::endl;
m_defaultLevel = level;
for (LoggerMap::iterator i = m_loggers.begin(); i != m_loggers.end(); ++i)
{
// std::cerr << "changing " << i->first << " to default " << m_defaultLevel << std::endl;
i->second.setLogLevel(m_defaultLevel);
}
}
Logger&
LoggerFactory::create(const std::string& moduleName)
{
return LoggerFactory::getInstance().createLogger(moduleName);
}
Logger&
LoggerFactory::createLogger(const std::string& moduleName)
{
// std::cerr << "creating logger for " << moduleName
// << " with level " << m_defaultLevel << std::endl;
std::pair<LoggerMap::iterator, bool> loggerIt =
m_loggers.insert(NameAndLogger(moduleName, Logger(moduleName, m_defaultLevel)));
return loggerIt.first->second;
}
std::list<std::string>
LoggerFactory::getModules() const
{
std::list<std::string> modules;
for (LoggerMap::const_iterator i = m_loggers.begin(); i != m_loggers.end(); ++i)
{
modules.push_back(i->first);
}
return modules;
}
} // namespace nfd