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/*
* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* This program 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 2 of the License, or (at your
* option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TRINITYCORE_LOG_H
#define TRINITYCORE_LOG_H
#include "Define.h"
#include "Appender.h"
#include "Logger.h"
#include <stdarg.h>
#include <boost/asio/io_service.hpp>
#include <boost/asio/strand.hpp>
#include <unordered_map>
#include <string>
#define LOGGER_ROOT "root"
class Log
{
typedef std::unordered_map<std::string, Logger> LoggerMap;
private:
Log();
~Log();
public:
static Log* instance(boost::asio::io_service* ioService = nullptr)
{
static Log instance;
if (ioService != nullptr)
{
instance._ioService = ioService;
instance._strand = new boost::asio::strand(*ioService);
}
return &instance;
}
void LoadFromConfig();
void Close();
bool ShouldLog(std::string const& type, LogLevel level) const;
bool SetLogLevel(std::string const& name, char const* level, bool isLogger = true);
void outMessage(std::string const& f, LogLevel level, char const* str, ...) ATTR_PRINTF(4, 5);
void outCommand(uint32 account, const char * str, ...) ATTR_PRINTF(3, 4);
void outCharDump(char const* str, uint32 account_id, uint64 guid, char const* name);
void SetRealmId(uint32 id);
private:
static std::string GetTimestampStr();
void vlog(std::string const& f, LogLevel level, char const* str, va_list argptr);
void write(LogMessage* msg) const;
Logger const* GetLoggerByType(std::string const& type) const;
Appender* GetAppenderByName(std::string const& name);
uint8 NextAppenderId();
void CreateAppenderFromConfig(std::string const& name);
void CreateLoggerFromConfig(std::string const& name);
void ReadAppendersFromConfig();
void ReadLoggersFromConfig();
AppenderMap appenders;
LoggerMap loggers;
uint8 AppenderId;
std::string m_logsDir;
std::string m_logsTimestamp;
boost::asio::io_service* _ioService;
boost::asio::strand* _strand;
};
inline Logger const* Log::GetLoggerByType(std::string const& type) const
{
LoggerMap::const_iterator it = loggers.find(type);
if (it != loggers.end())
return &(it->second);
if (type == LOGGER_ROOT)
return NULL;
std::string parentLogger = LOGGER_ROOT;
size_t found = type.find_last_of(".");
if (found != std::string::npos)
parentLogger = type.substr(0,found);
return GetLoggerByType(parentLogger);
}
inline bool Log::ShouldLog(std::string const& type, LogLevel level) const
{
// TODO: Use cache to store "Type.sub1.sub2": "Type" equivalence, should
// Speed up in cases where requesting "Type.sub1.sub2" but only configured
// Logger "Type"
Logger const* logger = GetLoggerByType(type);
if (!logger)
return false;
LogLevel logLevel = logger->getLogLevel();
return logLevel != LOG_LEVEL_DISABLED && logLevel <= level;
}
inline void Log::outMessage(std::string const& filter, LogLevel level, const char * str, ...)
{
va_list ap;
va_start(ap, str);
vlog(filter, level, str, ap);
va_end(ap);
}
#define sLog Log::instance()
#if PLATFORM != PLATFORM_WINDOWS
#define TC_LOG_MESSAGE_BODY(filterType__, level__, ...) \
do { \
if (sLog->ShouldLog(filterType__, level__)) \
sLog->outMessage(filterType__, level__, __VA_ARGS__); \
} while (0)
#else
#define TC_LOG_MESSAGE_BODY(filterType__, level__, ...) \
__pragma(warning(push)) \
__pragma(warning(disable:4127)) \
do { \
if (sLog->ShouldLog(filterType__, level__)) \
sLog->outMessage(filterType__, level__, __VA_ARGS__); \
} while (0) \
__pragma(warning(pop))
#endif
#define TC_LOG_TRACE(filterType__, ...) \
TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_TRACE, __VA_ARGS__)
#define TC_LOG_DEBUG(filterType__, ...) \
TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_DEBUG, __VA_ARGS__)
#define TC_LOG_INFO(filterType__, ...) \
TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_INFO, __VA_ARGS__)
#define TC_LOG_WARN(filterType__, ...) \
TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_WARN, __VA_ARGS__)
#define TC_LOG_ERROR(filterType__, ...) \
TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_ERROR, __VA_ARGS__)
#define TC_LOG_FATAL(filterType__, ...) \
TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_FATAL, __VA_ARGS__)
#endif
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