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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 __mod_h2__h2_c2_filter__
#define __mod_h2__h2_c2_filter__
#include "h2.h"
/**
* Input filter on secondary connections that insert the REQUEST bucket
* with the request to perform and then removes itself.
*/
apr_status_t h2_c2_filter_request_in(ap_filter_t *f,
apr_bucket_brigade *bb,
ap_input_mode_t mode,
apr_read_type_e block,
apr_off_t readbytes);
#if AP_HAS_RESPONSE_BUCKETS
/**
* Output filter that inspects the request_rec->notes of the request
* itself and possible internal redirects to detect conditions that
* merit specific HTTP/2 response codes, such as 421.
*/
apr_status_t h2_c2_filter_notes_out(ap_filter_t *f, apr_bucket_brigade *bb);
#else /* AP_HAS_RESPONSE_BUCKETS */
/**
* h2_from_h1 parses a HTTP/1.1 response into
* - response status
* - a list of header values
* - a series of bytes that represent the response body alone, without
* any meta data, such as inserted by chunked transfer encoding.
*
* All data is allocated from the stream memory pool.
*
* Again, see comments in h2_request: ideally we would take the headers
* and status from the httpd structures instead of parsing them here, but
* we need to have all handlers and filters involved in request/response
* processing, so this seems to be the way for now.
*/
struct h2_headers;
struct h2_response_parser;
apr_status_t h2_c2_filter_catch_h1_out(ap_filter_t* f, apr_bucket_brigade* bb);
apr_status_t h2_c2_filter_response_out(ap_filter_t *f, apr_bucket_brigade *bb);
apr_status_t h2_c2_filter_trailers_out(ap_filter_t *f, apr_bucket_brigade *bb);
#endif /* else AP_HAS_RESPONSE_BUCKETS */
#endif /* defined(__mod_h2__h2_c2_filter__) */
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