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Diffstat (limited to 'src/Core/LogManager.h')
-rw-r--r-- | src/Core/LogManager.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/Core/LogManager.h b/src/Core/LogManager.h new file mode 100644 index 0000000..6d75b82 --- /dev/null +++ b/src/Core/LogManager.h @@ -0,0 +1,146 @@ +/* + * LogManager.h + * + * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de> + * + * 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 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 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 MAD_CORE_LOGMANAGER_H_ +#define MAD_CORE_LOGMANAGER_H_ + +#include <config.h> + +#include "Configurable.h" +#include "Logger.h" +#include "RemoteLogger.h" + +#include <queue> +#include <set> + +#include <boost/thread/condition_variable.hpp> +#include <boost/thread/mutex.hpp> + +namespace Mad { +namespace Core { + +class ThreadManager; + +class LogManager : public Configurable { + private: + friend class ThreadManager; + + typedef LoggerBase::MessageCategory MessageCategory; + typedef LoggerBase::MessageLevel MessageLevel; + + struct Message { + MessageCategory category; + MessageLevel level; + time_t timestamp; + std::string message; + }; + + struct RemoteMessage { + MessageCategory category; + MessageLevel level; + time_t timestamp; + std::string message; + std::string source; + }; + + class ConsoleLogger : public Logger, public RemoteLogger { + private: + // For long messages, writing to cerr is not atomic + // -> lock cerr to prevent mixing messages up + boost::mutex cerrLock; + + protected: + virtual void logMessage(MessageCategory category _UNUSED_PARAMETER_, MessageLevel level, time_t timestamp _UNUSED_PARAMETER_, const std::string &message); + virtual void logMessage(MessageCategory category _UNUSED_PARAMETER_, MessageLevel, time_t timestamp _UNUSED_PARAMETER_, const std::string &message, const std::string &messageSource); + + public: + ConsoleLogger() {} + + void logMessageDirect(MessageCategory category _UNUSED_PARAMETER_, MessageLevel level _UNUSED_PARAMETER_, time_t timestamp _UNUSED_PARAMETER_, const std::string &message); + }; + + + static LogManager logManager; + + ConsoleLogger consoleLogger; + + std::set<Logger*> loggers; + std::set<RemoteLogger*> remoteLoggers; + bool configured, running; + + boost::mutex queueLock; + boost::condition_variable queueCond; + + boost::mutex loggerLock; + boost::mutex remoteLoggerLock; + + std::queue<Message> messageQueue; + std::queue<RemoteMessage> remoteMessageQueue; + + void loggerThread(); + void stopLoggerThread() { + queueLock.lock(); + running = false; + queueLock.unlock(); + queueCond.notify_one(); + } + + LogManager() : configured(false), running(false) {} + + protected: + virtual bool handleConfigEntry(const ConfigEntry &entry, bool handled); + virtual void configFinished(); + + public: + void log(MessageCategory category, MessageLevel level, time_t timestamp, const std::string &message); + void log(MessageCategory category, MessageLevel level, time_t timestamp, const std::string &message, const std::string &source); + + void registerLogger(Logger *logger) { + loggerLock.lock(); + loggers.insert(logger); + loggerLock.unlock(); + } + + void unregisterLogger(Logger *logger) { + loggerLock.lock(); + loggers.erase(logger); + loggerLock.unlock(); + } + + void registerLogger(RemoteLogger *logger) { + remoteLoggerLock.lock(); + remoteLoggers.insert(logger); + remoteLoggerLock.unlock(); + } + + void unregisterLogger(RemoteLogger *logger) { + remoteLoggerLock.lock(); + remoteLoggers.erase(logger); + remoteLoggerLock.unlock(); + } + + static LogManager *get() { + return &logManager; + } +}; + +} +} + +#endif /* MAD_CORE_LOGMANAGER_H_ */ |