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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 Tatsuhiro Tsujikawa
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_LOGGER_H
#define D_LOGGER_H
#include "common.h"
#include <string>
#include <memory>
namespace aria2 {
class Exception;
class OutputFile;
class Logger {
public:
enum LEVEL {
A2_DEBUG = 1 << 0,
A2_INFO = 1 << 1,
A2_NOTICE = 1 << 2,
A2_WARN = 1 << 3,
A2_ERROR = 1 << 4,
};
private:
// Minimum log level for file log output.
LEVEL logLevel_;
std::shared_ptr<OutputFile> fpp_;
// Minimum log level for console log output.
LEVEL consoleLogLevel_;
// true if console log output is enabled.
bool consoleOutput_;
bool colorOutput_;
// Don't allow copying
Logger(const Logger&);
Logger& operator=(const Logger&);
void writeLog(Logger::LEVEL level, const char* sourceFile, int lineNum,
const char* msg, const char* trace);
// Returns true if message with log level |level| will be outputted
// to file.
bool fileLogEnabled(LEVEL level);
// Returns true if message with log level |level| will be outputted
// to console.
bool consoleLogEnabled(LEVEL level);
public:
Logger();
~Logger();
void log(LEVEL level, const char* sourceFile, int lineNum, const char* msg);
void log(LEVEL level, const char* sourceFile, int lineNum,
const std::string& msg);
void log(LEVEL level, const char* sourceFile, int lineNum, const char* msg,
const Exception& ex);
void log(LEVEL level, const char* sourceFile, int lineNum,
const std::string& msg, const Exception& ex);
void openFile(const std::string& filename);
void closeFile();
void setLogLevel(LEVEL level) { logLevel_ = level; }
void setConsoleLogLevel(LEVEL level) { consoleLogLevel_ = level; }
void setConsoleOutput(bool enabled);
void setColorOutput(bool enabled);
// Returns true if this logger actually writes debug log message to
// either file or stdout.
bool levelEnabled(LEVEL level);
};
} // namespace aria2
#endif // D_LOGGER_H
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