/* * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 1996-1999 by Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */#ifndef LOGGING_H#define LOGGING_H#include <sys/types.h>#include <stdio.h>#include <stdarg.h>#include <unistd.h>#define log_critical		(-5)#define log_error   		(-4)#define log_warning 		(-3)#define log_notice  		(-2)#define log_info  		(-1)#define log_debug(level)	(level)typedef enum { log_syslog, log_file, log_null } log_channel_type;#define LOG_MAX_VERSIONS 99#define LOG_CLOSE_STREAM		0x0001#define LOG_TIMESTAMP			0x0002#define LOG_TRUNCATE			0x0004#define LOG_USE_CONTEXT_LEVEL		0x0008#define LOG_PRINT_LEVEL			0x0010#define LOG_REQUIRE_DEBUG		0x0020#define LOG_CHANNEL_BROKEN		0x0040#define LOG_PRINT_CATEGORY		0x0080#define LOG_CHANNEL_OFF			0x0100typedef struct log_context *log_context;typedef struct log_channel *log_channel;#define LOG_OPTION_DEBUG		0x01#define LOG_OPTION_LEVEL		0x02#define log_open_stream		__log_open_stream#define log_close_stream	__log_close_stream#define log_get_stream		__log_get_stream#define log_get_filename	__log_get_filename#define log_check_channel	__log_check_channel#define log_check		__log_check#define log_vwrite		__log_vwrite#define log_write		__log_write#define log_new_context		__log_new_context#define log_free_context	__log_free_context#define log_add_channel		__log_add_channel#define log_remove_channel	__log_remove_channel#define log_option		__log_option#define log_category_is_active	__log_category_is_active#define log_new_syslog_channel	__log_new_syslog_channel#define log_new_file_channel	__log_new_file_channel#define log_set_file_owner	__log_set_file_owner#define log_new_null_channel	__log_new_null_channel#define log_inc_references	__log_inc_references#define log_dec_references	__log_dec_references#define log_get_channel_type	__log_get_channel_type#define log_free_channel	__log_free_channel#define log_close_debug_channels	__log_close_debug_channelsFILE *			log_open_stream(log_channel);int			log_close_stream(log_channel);FILE *			log_get_stream(log_channel);char *			log_get_filename(log_channel);int			log_check_channel(log_context, int, log_channel);int			log_check(log_context, int, int);#ifdef __GNUC__void			log_vwrite(log_context, int, int, const char *, 				   va_list args)				__attribute__((__format__(__printf__, 4, 0)));void			log_write(log_context, int, int, const char *, ...)				__attribute__((__format__(__printf__, 4, 5)));#elsevoid			log_vwrite(log_context, int, int, const char *, 				   va_list args);void			log_write(log_context, int, int, const char *, ...);#endifint			log_new_context(int, char **, log_context *);void			log_free_context(log_context);int			log_add_channel(log_context, int, log_channel);int			log_remove_channel(log_context, int, log_channel);int			log_option(log_context, int, int);int			log_category_is_active(log_context, int);log_channel		log_new_syslog_channel(unsigned int, int, int);log_channel		log_new_file_channel(unsigned int, int, const char *,					     FILE *, unsigned int,					     unsigned long);int			log_set_file_owner(log_channel, uid_t, gid_t);log_channel		log_new_null_channel(void);int			log_inc_references(log_channel);int			log_dec_references(log_channel);log_channel_type	log_get_channel_type(log_channel);int			log_free_channel(log_channel);void			log_close_debug_channels(log_context);#endif /* !LOGGING_H */