dolphin/Source/Core/Common/Logging/LogManager.h

155 lines
3.2 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include <cstdarg>
#include <fstream>
#include <mutex>
#include <set>
#include <string>
#include "Common/Common.h"
#define MAX_MESSAGES 8000
#define MAX_MSGLEN 1024
// pure virtual interface
class LogListener
{
public:
virtual ~LogListener() {}
virtual void Log(LogTypes::LOG_LEVELS, const char *msg) = 0;
};
class FileLogListener : public LogListener
{
public:
FileLogListener(const std::string& filename);
void Log(LogTypes::LOG_LEVELS, const char *msg) override;
bool IsValid() const { return m_logfile.good(); }
bool IsEnabled() const { return m_enable; }
void SetEnable(bool enable) { m_enable = enable; }
const char* GetName() const { return "file"; }
private:
std::mutex m_log_lock;
std::ofstream m_logfile;
bool m_enable;
};
class LogContainer
{
public:
LogContainer(const std::string& shortName, const std::string& fullName, bool enable = false);
std::string GetShortName() const { return m_shortName; }
std::string GetFullName() const { return m_fullName; }
void AddListener(LogListener* listener);
void RemoveListener(LogListener* listener);
void Trigger(LogTypes::LOG_LEVELS, const char *msg);
bool IsEnabled() const { return m_enable; }
void SetEnable(bool enable) { m_enable = enable; }
LogTypes::LOG_LEVELS GetLevel() const { return m_level; }
void SetLevel(LogTypes::LOG_LEVELS level) { m_level = level; }
bool HasListeners() const { return !m_listeners.empty(); }
private:
std::string m_fullName;
std::string m_shortName;
bool m_enable;
LogTypes::LOG_LEVELS m_level;
std::mutex m_listeners_lock;
std::set<LogListener*> m_listeners;
};
class ConsoleListener;
class LogManager : NonCopyable
{
private:
LogContainer* m_Log[LogTypes::NUMBER_OF_LOGS];
FileLogListener *m_fileLog;
ConsoleListener *m_consoleLog;
static LogManager *m_logManager; // Singleton. Ugh.
LogManager();
~LogManager();
public:
static u32 GetMaxLevel() { return MAX_LOGLEVEL; }
void Log(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type,
const char *file, int line, const char *fmt, va_list args);
void SetLogLevel(LogTypes::LOG_TYPE type, LogTypes::LOG_LEVELS level)
{
m_Log[type]->SetLevel(level);
}
void SetEnable(LogTypes::LOG_TYPE type, bool enable)
{
m_Log[type]->SetEnable(enable);
}
bool IsEnabled(LogTypes::LOG_TYPE type, LogTypes::LOG_LEVELS level = LogTypes::LNOTICE) const
{
return m_Log[type]->IsEnabled() && m_Log[type]->GetLevel() >= level;
}
std::string GetShortName(LogTypes::LOG_TYPE type) const
{
return m_Log[type]->GetShortName();
}
std::string GetFullName(LogTypes::LOG_TYPE type) const
{
return m_Log[type]->GetFullName();
}
void AddListener(LogTypes::LOG_TYPE type, LogListener *listener)
{
m_Log[type]->AddListener(listener);
}
void RemoveListener(LogTypes::LOG_TYPE type, LogListener *listener)
{
m_Log[type]->RemoveListener(listener);
}
FileLogListener *GetFileListener() const
{
return m_fileLog;
}
ConsoleListener *GetConsoleListener() const
{
return m_consoleLog;
}
static LogManager* GetInstance()
{
return m_logManager;
}
static void SetInstance(LogManager *logManager)
{
m_logManager = logManager;
}
static void Init();
static void Shutdown();
};