Files
i2p.android.base/apps/enclave/src/logger.hpp
2004-06-25 22:19:18 +00:00

89 lines
3.9 KiB
C++

/*
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LOGGER_HPP
#define LOGGER_HPP
/*
* LDEBUG - debugging messages
* LMINOR - unimportant messages
* LINFO - informational messages
* LWARN - errors we automatically recover from
* LERROR - major, important errors
*/
#if VERBOSE_LOGS
#define LDEBUG logger->set_pri(Logger::debug); (*logger) << "(D)" << __FILE__ << ':' << __LINE__ << ':' << __func__ << ": "
#define LMINOR logger->set_pri(Logger::minor); (*logger) << "(M)" << __FILE__ << ':' << __LINE__ << ':' << __func__ << ": "
#define LINFO logger->set_pri(Logger::info); (*logger) << "(I)" << __FILE__ << ':' << __LINE__ << ':' << __func__ << ": "
#define LWARN logger->set_pri(Logger::warn); (*logger) << "(W)" << __FILE__ << ':' << __LINE__ << ':' << __func__ << ": "
#define LERROR logger->set_pri(Logger::error); (*logger) << "(E)" << __FILE__ << ':' << __LINE__ << ':' << __func__ << ": "
#else
#define LDEBUG logger->set_pri(Logger::debug); (*logger) << "(D)"
#define LMINOR logger->set_pri(Logger::minor); (*logger) << "(M)"
#define LINFO logger->set_pri(Logger::info); (*logger) << "(I)"
#define LWARN logger->set_pri(Logger::warn); (*logger) << "(W)"
#define LERROR logger->set_pri(Logger::error); (*logger) << "(E)"
#endif
class Logger {
public:
typedef enum {debug = 0, minor = 1, info = 2, warn = 3, error = 4}
priority_t;
Logger(const string& file);
void flush(void) { logf.flush(); }
priority_t get_loglevel(void) const { return loglevel; }
void set_loglevel(priority_t priority) { loglevel = priority; }
Logger& operator<<(char c)
{ if (priority >= loglevel) { logf << c; flush(); } return *this; }
Logger& operator<<(const char* c)
{ if (priority >= loglevel) { logf << c; flush(); } return *this; }
Logger& operator<<(int i)
{ if (priority >= loglevel) { logf << i; flush(); } return *this; }
Logger& operator<<(const string& s)
{ if (priority >= loglevel) { logf << s; flush(); } return *this; }
Logger& operator<<(unsigned int i)
{ if (priority >= loglevel) { logf << i; flush(); } return *this; }
void set_pri(priority_t priority) { this->priority = priority; }
private:
priority_t priority; // importance of the following log message(s)
string file;
priority_t loglevel; // write log messsages at or above this priority
ofstream logf;
};
#ifdef WIN_STRERROR
TCHAR* win_strerror(TCHAR* str, size_t size);
#endif
#endif // LOGGER_HPP