1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/**
18 * @file mod_log_config.h
19 * @brief Logging Configuration Extension Module for Apache
20 *
21 * @defgroup MOD_LOG_CONFIG mod_log_config
22 * @ingroup APACHE_MODS
23 * @{
24 */
25
26#include "apr_optional.h"
27#include "httpd.h"
28#include "scoreboard.h"
29
30#ifndef _MOD_LOG_CONFIG_H
31#define _MOD_LOG_CONFIG_H 1
32
33/**
34 * callback function prototype for a external log handler
35 */
36typedef const char *ap_log_handler_fn_t(request_rec *r, char *a);
37
38/**
39 * callback function prototype for external writer initialization.
40 */
41typedef void *ap_log_writer_init(apr_pool_t *p, server_rec *s,
42                                 const char *name);
43/**
44 * callback which gets called where there is a log line to write.
45 */
46typedef apr_status_t ap_log_writer(
47                            request_rec *r,
48                            void *handle,
49                            const char **portions,
50                            int *lengths,
51                            int nelts,
52                            apr_size_t len);
53
54typedef struct ap_log_handler {
55    ap_log_handler_fn_t *func;
56    int want_orig_default;
57} ap_log_handler;
58
59APR_DECLARE_OPTIONAL_FN(void, ap_register_log_handler,
60                        (apr_pool_t *p, char *tag, ap_log_handler_fn_t *func,
61                         int def));
62/**
63 * you will need to set your init handler *BEFORE* the open_logs
64 * in mod_log_config gets executed
65 */
66APR_DECLARE_OPTIONAL_FN(ap_log_writer_init*, ap_log_set_writer_init,(ap_log_writer_init *func));
67/**
68 * you should probably set the writer at the same time (ie..before open_logs)
69 */
70APR_DECLARE_OPTIONAL_FN(ap_log_writer*, ap_log_set_writer, (ap_log_writer* func));
71
72#endif /* MOD_LOG_CONFIG */
73/** @} */
74
75