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/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef APACHE_HTTP_REQUEST_H
#define APACHE_HTTP_REQUEST_H

#ifdef __cplusplus
extern "C" {
#endif

/* http_request.c is the code which handles the main line of request
 * processing, once a request has been read in (finding the right per-
 * directory configuration, building it if necessary, and calling all
 * the module dispatch functions in the right order).
 *
 * The pieces here which are public to the modules, allow them to learn
 * how the server would handle some other file or URI, or perhaps even
 * direct the server to serve that other file instead of the one the
 * client requested directly.
 *
 * There are two ways to do that.  The first is the sub_request mechanism,
 * which handles looking up files and URIs as adjuncts to some other
 * request (e.g., directory entries for multiviews and directory listings);
 * the lookup functions stop short of actually running the request, but
 * (e.g., for includes), a module may call for the request to be run
 * by calling run_sub_req.  The space allocated to create sub_reqs can be
 * reclaimed by calling destroy_sub_req --- be sure to copy anything you care
 * about which was allocated in its pool elsewhere before doing this.
 */

API_EXPORT(request_rec *) ap_sub_req_lookup_uri(const char *new_file,
                                             const request_rec *r);
API_EXPORT(request_rec *) ap_sub_req_lookup_file(const char *new_file,
                                              const request_rec *r);
API_EXPORT(request_rec *) ap_sub_req_method_uri(const char *method,
                                                const char *new_file,
                                                const request_rec *r);
API_EXPORT(int) ap_run_sub_req(request_rec *r);
API_EXPORT(void) ap_destroy_sub_req(request_rec *r);

/*
 * Then there's the case that you want some other request to be served
 * as the top-level request INSTEAD of what the client requested directly.
 * If so, call this from a handler, and then immediately return OK.
 */

API_EXPORT(void) ap_internal_redirect(const char *new_uri, request_rec *);
API_EXPORT(void) ap_internal_redirect_handler(const char *new_uri, request_rec *);
API_EXPORT(int) ap_some_auth_required(request_rec *r);
API_EXPORT(int) ap_is_initial_req(request_rec *r);
API_EXPORT(time_t) ap_update_mtime(request_rec *r, time_t dependency_mtime);

#ifdef CORE_PRIVATE
/* Function called by main.c to handle first-level request */
API_EXPORT(void) ap_process_request(request_rec *);
API_EXPORT(void) ap_die(int type, request_rec *r);
#endif

#ifdef __cplusplus
}
#endif

#endif	/* !APACHE_HTTP_REQUEST_H */