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/*
* Logger.h
*
* Copyright (C) 2008 Johannes Thorn <dante@g4t3.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_COMMON_LOGGER_H_
#define MAD_COMMON_LOGGER_H_
#include <algorithm>
#include <cstdarg>
#include <list>
#include <string>
#include <stdint.h>
namespace Mad {
namespace Common {
class Logger {
public:
enum MessageLevel {
CRITICAL, ERROR, WARNING, DEFAULT, VERBOSE, DEBUG
};
enum MessageCategory {
SYSTEM = 0x0001, NETWORK = 0x0002, DAEMON = 0x0004, USER = 0x0008, DISK = 0x0010, PROGRAM = 0x0020, GENERAL = 0x0040
};
private:
static std::list<Logger*> loggers;
uint16_t categories;
MessageLevel level;
static void logfv(MessageCategory category, MessageLevel level, const char *format, va_list ap);
protected:
Logger() : categories(0xFFFF), level(DEFAULT) {}
virtual void logMessage(MessageCategory category, MessageLevel level, const std::string &message) = 0;
public:
static void log(MessageCategory category, MessageLevel level, const std::string &message);
static void log(MessageCategory category, const std::string &message) {
log(category, DEFAULT, message);
}
static void log(MessageLevel level, const std::string &message) {
log(GENERAL, level, message);
}
static void log(const std::string &message) {
log(GENERAL, DEFAULT, message);
}
static void logf(MessageCategory category, MessageLevel level, const char *format, ...);
static void logf(MessageCategory category, const char *format, ...);
static void logf(MessageLevel level, const char *format, ...);
static void logf(const char *format, ...);
static void registerLogger(Logger *logger) {
loggers.push_back(logger);
}
static void unregisterLogger(Logger *logger) {
std::list<Logger*>::iterator it = std::find(loggers.begin(), loggers.end(), logger);
if(it != loggers.end())
loggers.erase(it);
}
void setCategory(MessageCategory newCategory) {
categories |= newCategory;
}
void unsetCategory(MessageCategory oldCategory) {
categories &= ~oldCategory;
}
void setAllCategories() {
categories = 0xFFFF;
}
void unsetAllCategories() {
categories = 0;
}
bool isCategorySet(MessageCategory category) {
return ((categories & category) != 0);
}
MessageLevel getLevel() const {
return level;
}
void setLevel(MessageLevel newLevel) {
level = newLevel;
}
virtual ~Logger() {}
};
}
}
#endif /* MAD_COMMON_LOGGER_H_ */
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