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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* 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 "AsioHacksFwd.h"
#include "LogCommon.h"
#include "StringFormat.h"
#include <memory>
#include <unordered_map>
#include <vector>
class Appender;
class Logger;
struct LogMessage;
namespace Trinity
{
namespace Asio
{
class IoContext;
}
}
#define LOGGER_ROOT "root"
typedef Appender*(*AppenderCreatorFn)(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<char const*>&& extraArgs);
template <class AppenderImpl>
Appender* CreateAppender(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<char const*>&& extraArgs)
{
return new AppenderImpl(id, name, level, flags, std::forward<std::vector<char const*>>(extraArgs));
}
class TC_COMMON_API Log
{
private:
Log();
~Log();
Log(Log const&) = delete;
Log(Log&&) = delete;
Log& operator=(Log const&) = delete;
Log& operator=(Log&&) = delete;
public:
static Log* instance();
void Initialize(Trinity::Asio::IoContext* ioContext);
void SetSynchronous(); // Not threadsafe - should only be called from main() after all threads are joined
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);
template<typename Format, typename... Args>
inline void outMessage(std::string const& filter, LogLevel const level, Format&& fmt, Args&&... args)
{
outMessage(filter, level, Trinity::StringFormat(std::forward<Format>(fmt), std::forward<Args>(args)...));
}
template<typename Format, typename... Args>
void outCommand(uint32 account, Format&& fmt, Args&&... args)
{
if (!ShouldLog("commands.gm", LOG_LEVEL_INFO))
return;
outCommand(Trinity::StringFormat(std::forward<Format>(fmt), std::forward<Args>(args)...), std::to_string(account));
}
void outCharDump(char const* str, uint32 account_id, uint64 guid, char const* name);
void SetRealmId(uint32 id);
template<class AppenderImpl>
void RegisterAppender()
{
using Index = typename AppenderImpl::TypeIndex;
RegisterAppender(Index::value, &CreateAppender<AppenderImpl>);
}
std::string const& GetLogsDir() const { return m_logsDir; }
std::string const& GetLogsTimestamp() const { return m_logsTimestamp; }
void CreateAppenderFromConfigLine(std::string const& name, std::string const& options);
void CreateLoggerFromConfigLine(std::string const& name, std::string const& options);
private:
static std::string GetTimestampStr();
void write(std::unique_ptr<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();
void RegisterAppender(uint8 index, AppenderCreatorFn appenderCreateFn);
void outMessage(std::string const& filter, LogLevel level, std::string&& message);
void outCommand(std::string&& message, std::string&& param1);
std::unordered_map<uint8, AppenderCreatorFn> appenderFactory;
std::unordered_map<uint8, std::unique_ptr<Appender>> appenders;
std::unordered_map<std::string, std::unique_ptr<Logger>> loggers;
uint8 AppenderId;
LogLevel lowestLogLevel;
std::string m_logsDir;
std::string m_logsTimestamp;
Trinity::Asio::IoContext* _ioContext;
Trinity::Asio::Strand* _strand;
};
#define sLog Log::instance()
#define LOG_EXCEPTION_FREE(filterType__, level__, ...) \
{ \
try \
{ \
sLog->outMessage(filterType__, level__, __VA_ARGS__); \
} \
catch (std::exception& e) \
{ \
sLog->outMessage("server", LOG_LEVEL_ERROR, "Wrong format occurred (%s) at %s:%u.", \
e.what(), __FILE__, __LINE__); \
} \
}
#if TRINITY_PLATFORM != TRINITY_PLATFORM_WINDOWS
void check_args(char const*, ...) ATTR_PRINTF(1, 2);
void check_args(std::string const&, ...);
// This will catch format errors on build time
#define TC_LOG_MESSAGE_BODY(filterType__, level__, ...) \
do { \
if (sLog->ShouldLog(filterType__, level__)) \
{ \
if (false) \
check_args(__VA_ARGS__); \
\
LOG_EXCEPTION_FREE(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__)) \
LOG_EXCEPTION_FREE(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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