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/***************************************************************************
* nsock_log.c -- nsock logging infrastructure. *
* *
***********************IMPORTANT NSOCK LICENSE TERMS***********************
*
* The nsock parallel socket event library is (C) 1999-2023 Nmap Software LLC
* This library is free software; you may redistribute and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; Version 2. This guarantees your right to use, modify, and
* redistribute this software under certain conditions. If this license is
* unacceptable to you, Nmap Software LLC may be willing to sell alternative
* licenses (contact sales@nmap.com ).
*
* As a special exception to the GPL terms, Nmap Software LLC grants permission
* to link the code of this program with any version of the OpenSSL library
* which is distributed under a license identical to that listed in the included
* docs/licenses/OpenSSL.txt file, and distribute linked combinations including
* the two. You must obey the GNU GPL in all respects for all of the code used
* other than OpenSSL. If you modify this file, you may extend this exception to
* your version of the file, but you are not obligated to do so.
*
* If you received these files with a written license agreement stating terms
* other than the (GPL) terms above, then that alternative license agreement
* takes precedence over this comment.
*
* Source is provided to this software because we believe users have a right to
* know exactly what a program is going to do before they run it. This also
* allows you to audit the software for security holes.
*
* Source code also allows you to port Nmap to new platforms, fix bugs, and add
* new features. You are highly encouraged to send your changes to the
* dev@nmap.org mailing list for possible incorporation into the main
* distribution. By sending these changes to Fyodor or one of the Insecure.Org
* development mailing lists, or checking them into the Nmap source code
* repository, it is understood (unless you specify otherwise) that you are
* offering the Nmap Project (Nmap Software LLC) the unlimited, non-exclusive
* right to reuse, modify, and relicense the code. Nmap will always be available
* Open Source, but this is important because the inability to relicense code
* has caused devastating problems for other Free Software projects (such as KDE
* and NASM). We also occasionally relicense the code to third parties as
* discussed above. If you wish to specify special license conditions of your
* contributions, just say so when you send them.
*
* 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 v2.0 for more
* details (http://www.gnu.org/licenses/gpl-2.0.html).
*
***************************************************************************/
/* $Id$ */
#ifndef NSOCK_LOG_H
#define NSOCK_LOG_H
#include "nsock.h"
extern nsock_loglevel_t NsockLogLevel;
extern nsock_logger_t NsockLogger;
#define NSOCK_LOG_WRAP(lvl, ...) \
do { \
if (NsockLogger && (lvl) >= NsockLogLevel) { \
__nsock_log_internal((lvl), __FILE__, __LINE__, __func__, __VA_ARGS__); \
} \
} while (0)
static inline const char *nsock_loglevel2str(nsock_loglevel_t level)
{
switch (level) {
case NSOCK_LOG_DBG_ALL:
return "FULL DEBUG";
case NSOCK_LOG_DBG:
return "DEBUG";
case NSOCK_LOG_INFO:
return "INFO";
case NSOCK_LOG_ERROR:
return "ERROR";
default:
return "???";
}
}
/* -- Internal logging macros -- */
/**
* Most detailed debug messages, like allocating or moving objects.
*/
#define nsock_log_debug_all(...) NSOCK_LOG_WRAP(NSOCK_LOG_DBG_ALL, __VA_ARGS__)
/**
* Detailed debug messages, describing internal operations.
*/
#define nsock_log_debug(...) NSOCK_LOG_WRAP(NSOCK_LOG_DBG, __VA_ARGS__)
/**
* High level debug messages, describing top level operations and external
* requests.
*/
#define nsock_log_info(...) NSOCK_LOG_WRAP(NSOCK_LOG_INFO, __VA_ARGS__)
/**
* Error messages.
*/
#define nsock_log_error(...) NSOCK_LOG_WRAP(NSOCK_LOG_ERROR, __VA_ARGS__)
void __nsock_log_internal(nsock_loglevel_t loglevel, const char *file, int line,
const char *func, const char *format, ...)
__attribute__((format (printf, 5, 6)));
#endif /* NSOCK_LOG_H */
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