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/******************************************************************
* $Id: nanohttp-logging.h,v 1.6 2007/11/03 22:40:11 m0gg Exp $
*
* CSOAP Project: A http client/server library in C
* Copyright (C) 2007 Heiko Ronsdorf
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
******************************************************************/
#ifndef __nanohttp_logging_h
#define __nanohttp_logging_h
/** @file nanohttp-logging.h Logging definitions and prototypes
*
* @defgroup NANOHTTP_LOGGING Logging interface
* @ingroup NANOHTTP
*/
/**@{*/
/** @defgroup NANOHTTP_CMDLINE_LOGGING Commandline flags
* @ingroup NANOHTTP_CMDLINE
*/
/**@{*/
#define NHTTP_ARG_LOGFILE "-NHTTPlog"
#define NHTTP_ARG_LOGLEVEL "-NHTTPloglevel"
/**@}*/
/** Loglevel definition */
typedef enum nanohttp_loglevel
{
NANOHTTP_LOG_OFF, /**< Logging completely turned off (use at your
own risk). */
NANOHTTP_LOG_VERBOSE, /**< Debugging messages that may overflow the
log */
NANOHTTP_LOG_DEBUG, /**< Message that contain information normally
of use only when debugging the library */
NANOHTTP_LOG_INFO, /**< Informaional messages */
NANOHTTP_LOG_WARN, /**< Warning messages */
NANOHTTP_LOG_ERROR, /**< A condition that should be corrected
immediately, such as a broken network
connection */
NANOHTTP_LOG_FATAL /**< A panic condition */
} nanohttp_loglevel_t;
#define NANOHTTP_LOG_LEVEL_OFF_STRING "OFF"
#define NANOHTTP_LOG_LEVEL_VERBOSE_STRING "VERBOSE"
#define NANOHTTP_LOG_LEVEL_DEBUG_STRING "DEBUG"
#define NANOHTTP_LOG_LEVEL_INFO_STRING "INFO"
#define NANOHTTP_LOG_LEVEL_WARN_STRING "WARN"
#define NANOHTTP_LOG_LEVEL_ERROR_STRING "ERROR"
#define NANOHTTP_LOG_LEVEL_FATAL_STRING "FATAL"
#define NANOHTTP_LOG_LEVEL_UNKNOWN_STRING "UNKNOWN"
#ifdef __cplusplus
extern "C" {
#endif
/** This function sets a new the loglevel and returns the previous
* one.
*
* @param level The new loglevel.
*
* @return The old loglevel.
*/
extern nanohttp_loglevel_t nanohttp_log_set_loglevel(nanohttp_loglevel_t level);
/** This function returns the current loglevel.
*
* @return The current loglevel.
*/
extern nanohttp_loglevel_t nanohttp_log_get_loglevel(void);
/** This function set the name of a logfile.
*
* @param filename The filename of the logfile.
*/
extern void nanohttp_log_set_logfile(const char *filename);
/** This function returns the filename of the current logfile.
*
* @return Pointer to the filename or NULL otherwise.
*/
extern const char *nanohttp_log_get_logfile(void);
#define NANOHTTP_LOG_DISABLED 0x00 /**< Logging disabled */
#define NANOHTTP_LOG_FOREGROUND 0x01 /**< Logging to stdout enabled */
#define NANOHTTP_LOG_SYSLOG 0x02 /**< Syslog logging enabled */
/** This function sets the type of logging
*
* @return The old logtype.
*
* @see - NANOHTTP_LOG_DISABLED
* - NANOHTTP_LOG_FOREGROUND
* - NANOHTTP_LOG_SYSLOG
*/
extern int nanohttp_log_set_logtype(int type);
#ifdef WIN32
#if defined(_MSC_VER) && _MSC_VER <= 1200
extern char *VisualC_funcname(const char *file, int line); /* not thread safe! */
#define __FUNCTION__ VisualC_funcname(__FILE__, __LINE__)
#endif
#endif
#ifdef __cplusplus
}
#endif
#define log_verbose(fmt, ...) _nanohttp_log_printf(NANOHTTP_LOG_VERBOSE, \
NANOHTTP_LOG_LEVEL_VERBOSE_STRING " %s: " fmt "\n", \
__FUNCTION__, ## __VA_ARGS__)
#define log_debug(fmt, ...) _nanohttp_log_printf(NANOHTTP_LOG_DEBUG, \
NANOHTTP_LOG_LEVEL_DEBUG_STRING " %s: " fmt "\n", \
__FUNCTION__, ## __VA_ARGS__)
#define log_info(fmt, ...) _nanohttp_log_printf(NANOHTTP_LOG_INFO, \
NANOHTTP_LOG_LEVEL_INFO_STRING " %s: " fmt "\n", \
__FUNCTION__, ## __VA_ARGS__)
#define log_warn(fmt, ...) _nanohttp_log_printf(NANOHTTP_LOG_WARN, \
NANOHTTP_LOG_LEVEL_WARN_STRING " %s: " fmt "\n", \
__FUNCTION__, ## __VA_ARGS__)
#define log_error(fmt, ...) _nanohttp_log_printf(NANOHTTP_LOG_ERROR, \
NANOHTTP_LOG_LEVEL_ERROR_STRING " %s: " fmt "\n", \
__FUNCTION__, ## __VA_ARGS__)
#define log_fatal(fmt, ...) _nanohttp_log_printf(NANOHTTP_LOG_FATAL, \
NANOHTTP_LOG_LEVEL_FATAL_STRING " %s: " fmt "\n", \
__FUNCTION__, ## __VA_ARGS__)
/**@}*/
#endif
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