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/*
* This file is part of the AzerothCore 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 Affero General Public License as published by the
* Free Software Foundation; either version 3 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 Affero 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 _LOG_H__
#define _LOG_H__
#include "IoContext.h"
#include "Define.h"
#include "LogCommon.h"
#include "StringFormat.h"
#include <unordered_map>
#include <vector>
class Appender;
class Logger;
struct LogMessage;
namespace Acore::Asio
{
class IoContext;
class Strand;
}
#define LOGGER_ROOT "root"
typedef Appender*(*AppenderCreatorFn)(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<std::string_view> const& extraArgs);
template <class AppenderImpl>
Appender* CreateAppender(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<std::string_view> const& extraArgs)
{
return new AppenderImpl(id, name, level, flags, extraArgs);
}
class Log
{
typedef std::unordered_map<std::string, Logger> LoggerMap;
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(Acore::Asio::IoContext* ioContext = nullptr);
void SetSynchronous(); // Not threadsafe - should only be called from main() after all threads are joined
void LoadFromConfig();
void Close();
[[nodiscard]] bool ShouldLog(std::string const& type, LogLevel level) const;
bool SetLogLevel(std::string const& name, int32 level, bool isLogger = true);
template<typename... Args>
inline void outMessage(std::string const& filter, LogLevel const level, Acore::FormatString<Args...> fmt, Args&&... args)
{
_outMessage(filter, level, Acore::StringFormat(fmt, std::forward<Args>(args)...));
}
template<typename... Args>
void outCommand(uint32 account, Acore::FormatString<Args...> fmt, Args&&... args)
{
if (!ShouldLog("commands.gm", LOG_LEVEL_INFO))
{
return;
}
_outCommand(Acore::StringFormat(fmt, std::forward<Args>(args)...), std::to_string(account));
}
void SetRealmId(uint32 id);
template<class AppenderImpl>
void RegisterAppender()
{
RegisterAppender(AppenderImpl::type, &CreateAppender<AppenderImpl>);
}
[[nodiscard]] std::string const& GetLogsDir() const { return m_logsDir; }
[[nodiscard]] std::string const& GetLogsTimestamp() const { return m_logsTimestamp; }
private:
static std::string GetTimestampStr();
void write(std::unique_ptr<LogMessage>&& msg) const;
[[nodiscard]] Logger const* GetLoggerByType(std::string const& type) const;
Appender* GetAppenderByName(std::string_view 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_view message);
void _outCommand(std::string_view message, std::string_view 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 highestLogLevel;
std::string m_logsDir;
std::string m_logsTimestamp;
Acore::Asio::IoContext* _ioContext;
Acore::Asio::Strand* _strand;
};
#define sLog Log::instance()
#define LOG_EXCEPTION_FREE(filterType__, level__, ...) \
{ \
try \
{ \
sLog->outMessage(filterType__, level__, fmt::format(__VA_ARGS__)); \
} \
catch (std::exception const& e) \
{ \
sLog->outMessage("server", LogLevel::LOG_LEVEL_ERROR, "Wrong format occurred ({}) at '{}:{}'", \
e.what(), __FILE__, __LINE__); \
} \
}
#ifdef PERFORMANCE_PROFILING
#define LOG_MESSAGE_BODY(filterType__, level__, ...) ((void)0)
#else
#define LOG_MESSAGE_BODY(filterType__, level__, ...) \
do \
{ \
if (sLog->ShouldLog(filterType__, level__)) \
LOG_EXCEPTION_FREE(filterType__, level__, __VA_ARGS__); \
} while (0)
#endif
// Fatal - 1
#define LOG_FATAL(filterType__, ...) \
LOG_MESSAGE_BODY(filterType__, LogLevel::LOG_LEVEL_FATAL, __VA_ARGS__)
// Error - 2
#define LOG_ERROR(filterType__, ...) \
LOG_MESSAGE_BODY(filterType__, LogLevel::LOG_LEVEL_ERROR, __VA_ARGS__)
// Warning - 3
#define LOG_WARN(filterType__, ...) \
LOG_MESSAGE_BODY(filterType__, LogLevel::LOG_LEVEL_WARN, __VA_ARGS__)
// Info - 4
#define LOG_INFO(filterType__, ...) \
LOG_MESSAGE_BODY(filterType__, LogLevel::LOG_LEVEL_INFO, __VA_ARGS__)
// Debug - 5
#define LOG_DEBUG(filterType__, ...) \
LOG_MESSAGE_BODY(filterType__, LogLevel::LOG_LEVEL_DEBUG, __VA_ARGS__)
// Trace - 6
#define LOG_TRACE(filterType__, ...) \
LOG_MESSAGE_BODY(filterType__, LogLevel::LOG_LEVEL_TRACE, __VA_ARGS__)
#define LOG_GM(accountId__, ...) \
sLog->outCommand(accountId__, __VA_ARGS__)
#endif // _LOG_H__
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