http_log.h revision 3597d6b10c88c252f156fe8061b659a38dea38c2
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
#ifndef APACHE_HTTP_LOG_H
#define APACHE_HTTP_LOG_H
#ifdef __cplusplus
extern "C" {
#endif
#include "apr_thread_proc.h"
#ifdef HAVE_SYSLOG
#include <syslog.h>
#ifndef LOG_PRIMASK
#define LOG_PRIMASK 7
#endif
#define APLOG_EMERG LOG_EMERG /* system is unusable */
#define APLOG_ALERT LOG_ALERT /* action must be taken immediately */
#define APLOG_CRIT LOG_CRIT /* critical conditions */
#define APLOG_ERR LOG_ERR /* error conditions */
#define APLOG_WARNING LOG_WARNING /* warning conditions */
#define APLOG_NOTICE LOG_NOTICE /* normal but significant condition */
#define APLOG_INFO LOG_INFO /* informational */
#define APLOG_DEBUG LOG_DEBUG /* debug-level messages */
#define APLOG_LEVELMASK LOG_PRIMASK /* mask off the level value */
#else
#define APLOG_EMERG 0 /* system is unusable */
#define APLOG_ALERT 1 /* action must be taken immediately */
#define APLOG_CRIT 2 /* critical conditions */
#define APLOG_ERR 3 /* error conditions */
#define APLOG_WARNING 4 /* warning conditions */
#define APLOG_NOTICE 5 /* normal but significant condition */
#define APLOG_INFO 6 /* informational */
#define APLOG_DEBUG 7 /* debug-level messages */
#define APLOG_LEVELMASK 7 /* mask off the level value */
#endif
#define APLOG_NOERRNO (APLOG_LEVELMASK + 1)
/* normal but significant condition on startup, usually printed to stderr */
#define APLOG_STARTUP ((APLOG_LEVELMASK + 1) * 4)
#ifndef DEFAULT_LOGLEVEL
#define DEFAULT_LOGLEVEL APLOG_WARNING
#endif
#define APLOG_MARK __FILE__,__LINE__
void ap_open_logs (server_rec *, ap_pool_t *p);
/* The three primary logging functions, ap_log_error, ap_log_rerror, and
* ap_log_perror use a printf style format string to build the log message.
* It is VERY IMPORTANT that you not include any raw data from the network,
* such as the request-URI or request header fields, within the format
* string. Doing so makes the server vulnerable to a denial-of-service
* attack and other messy behavior. Instead, use a simple format string
* like "%s", followed by the string containing the untrusted data.
*/
API_EXPORT(void) ap_log_error(const char *file, int line, int level,
ap_status_t status, const server_rec *s,
const char *fmt, ...)
__attribute__((format(printf,6,7)));
API_EXPORT(void) ap_log_perror(const char *file, int line, int level,
ap_status_t status, ap_pool_t *p,
const char *fmt, ...)
__attribute__((format(printf,6,7)));
API_EXPORT(void) ap_log_rerror(const char *file, int line, int level,
ap_status_t status, const request_rec *s,
const char *fmt, ...)
__attribute__((format(printf,6,7)));
API_EXPORT(void) ap_error_log2stderr (server_rec *);
void ap_log_pid (ap_pool_t *p, const char *fname);
/* These are for legacy code, new code should use ap_log_error,
* or ap_log_rerror.
*/
API_EXPORT(void) ap_log_error_old(const char *err, server_rec *s);
API_EXPORT(void) ap_log_unixerr(const char *routine, const char *file,
const char *msg, server_rec *s);
API_EXPORT(void) ap_log_printf(const server_rec *s, const char *fmt, ...)
__attribute__((format(printf,2,3)));
API_EXPORT(void) ap_log_reason(const char *reason, const char *fname,
request_rec *r);
typedef struct piped_log {
ap_pool_t *p;
ap_file_t *fds[2];
/* XXX - an #ifdef that needs to be eliminated from public view. Shouldn't
* be hard */
#ifdef HAVE_RELIABLE_PIPED_LOGS
char *program;
ap_proc_t *pid;
#endif
} piped_log;
API_EXPORT(piped_log *) ap_open_piped_log (ap_pool_t *p, const char *program);
API_EXPORT(void) ap_close_piped_log (piped_log *);
#define ap_piped_log_read_fd(pl) ((pl)->fds[0])
#define ap_piped_log_write_fd(pl) ((pl)->fds[1])
#ifdef __cplusplus
}
#endif
#endif /* !APACHE_HTTP_LOG_H */