http_log.h revision 49f33971abd4fb4485ffd2326fa04e2fd5b3469c
/* ====================================================================
* Copyright (c) 1995-1999 The Apache Group. 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. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* 4. The names "Apache Server" and "Apache Group" 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 names without prior written
* permission of the Apache Group.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group and was originally based
* on public domain software written at the National Center for
* Supercomputing Applications, University of Illinois, Urbana-Champaign.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
#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>
#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)
#ifdef WIN32
/* Set to indicate that error msg should come from Win32's GetLastError(),
* not errno. */
#define APLOG_WIN32ERROR ((APLOG_LEVELMASK+1) * 2)
#endif
/* 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_context_t *p);
/* The two primary logging functions, ap_log_error and ap_log_rerror,
* 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_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_context_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_context_t *p;
#ifndef NO_RELIABLE_PIPED_LOGS
char *program;
ap_proc_t *pid;
ap_file_t fds[2];
#else
ap_file_t *write_f;
#endif
} piped_log;
API_EXPORT(piped_log *) ap_open_piped_log (ap_context_t *p, const char *program);
API_EXPORT(void) ap_close_piped_log (piped_log *);
#ifndef NO_RELIABLE_PIPED_LOGS
#define ap_piped_log_read_fd(pl) ((pl)->fds[0])
#define ap_piped_log_write_fd(pl) ((pl)->fds[1])
#else
#define ap_piped_log_read_fd(pl) (-1)
#define ap_piped_log_write_fd(pl) ((pl)->write_f)
#endif
#ifdef __cplusplus
}
#endif
#endif /* !APACHE_HTTP_LOG_H */