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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.
*/
/**
* @file mod_core.h
* @brief mod_core private header file
*
* @defgroup MOD_CORE mod_core
* @ingroup APACHE_MODS
* @{
*/
#ifndef MOD_CORE_H
#define MOD_CORE_H
#include "apr.h"
#include "apr_buckets.h"
#include "httpd.h"
#include "http_protocol.h"
#include "util_filter.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Handles for core filters */
AP_DECLARE_DATA extern ap_filter_rec_t *ap_http_input_filter_handle;
AP_DECLARE_DATA extern ap_filter_rec_t *ap_h1_request_in_filter_handle;
AP_DECLARE_DATA extern ap_filter_rec_t *ap_h1_body_in_filter_handle;
AP_DECLARE_DATA extern ap_filter_rec_t *ap_http_header_filter_handle;
AP_DECLARE_DATA extern ap_filter_rec_t *ap_chunk_filter_handle;
AP_DECLARE_DATA extern ap_filter_rec_t *ap_http_outerror_filter_handle;
AP_DECLARE_DATA extern ap_filter_rec_t *ap_byterange_filter_handle;
/*
* These (input) filters are internal to the mod_core operation.
*/
apr_status_t ap_http_filter(ap_filter_t *f, apr_bucket_brigade *b,
ap_input_mode_t mode, apr_read_type_e block,
apr_off_t readbytes);
apr_status_t ap_h1_request_in_filter(ap_filter_t *f, apr_bucket_brigade *bb,
ap_input_mode_t mode, apr_read_type_e block,
apr_off_t readbytes);
apr_status_t ap_h1_body_in_filter(ap_filter_t *f, apr_bucket_brigade *b,
ap_input_mode_t mode, apr_read_type_e block,
apr_off_t readbytes);
/* HTTP/1.1 response formatting filter. */
apr_status_t ap_h1_response_out_filter(ap_filter_t *f, apr_bucket_brigade *b);
/* HTTP/1.1 chunked transfer encoding filter. */
apr_status_t ap_http_chunk_filter(ap_filter_t *f, apr_bucket_brigade *b);
/* Filter to handle any error buckets on output */
apr_status_t ap_http_outerror_filter(ap_filter_t *f,
apr_bucket_brigade *b);
char *ap_response_code_string(request_rec *r, int error_index);
/**
* Send the minimal part of an HTTP response header.
* @param r The current request
* @param bb The brigade to add the header to.
* @warning Modules should be very careful about using this, and should
* the default behavior. Much of the HTTP/1.1 implementation
* correctness depends on the full headers.
* @fn void ap_basic_http_header(request_rec *r, apr_bucket_brigade *bb)
*/
AP_DECLARE(void) ap_basic_http_header(request_rec *r, apr_bucket_brigade *bb);
/**
* Send an appropriate response to an http TRACE request.
* @param r The current request
* @note returns DONE or the HTTP status error if it handles the TRACE,
* or DECLINED if the request was not for TRACE.
* request method was not TRACE.
*/
AP_DECLARE_NONSTD(int) ap_send_http_trace(request_rec *r);
/**
* Send an appropriate response to an http OPTIONS request.
* @param r The current request
*/
AP_DECLARE(int) ap_send_http_options(request_rec *r);
/* Used for multipart/byteranges boundary string */
AP_DECLARE_DATA extern const char *ap_multipart_boundary;
/* Init RNG at startup */
AP_CORE_DECLARE(void) ap_init_rng(apr_pool_t *p);
/* Update RNG state in parent after fork */
AP_CORE_DECLARE(void) ap_random_parent_after_fork(void);
/**
* Set the keepalive status for this request based on the response
* @param r The current request
* @param resp The response being send
* @return 1 if keepalive can be set, 0 otherwise
*/
AP_CORE_DECLARE(int) ap_h1_set_keepalive(request_rec *r, ap_bucket_response *resp);
#ifdef __cplusplus
}
#endif
#endif /* !MOD_CORE_H */
/** @} */
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