Quelle h2_headers.h Sprache: C

/* 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_headers__
#define __mod_h2__h2_headers__

#include "h2.h"

#if !AP_HAS_RESPONSE_BUCKETS

struct h2_bucket_beam;

typedef struct h2_headers h2_headers;
struct h2_headers {
    int         status;
    apr_table_t *headers;
    apr_table_t *notes;
    apr_off_t   raw_bytes;      /* RAW network bytes that generated this request - if known. */
};

extern const apr_bucket_type_t h2_bucket_type_headers;

#define H2_BUCKET_IS_HEADERS(e)     (e->type == &h2_bucket_type_headers)

apr_bucket * h2_bucket_headers_make(apr_bucket *b, h2_headers *r);

apr_bucket * h2_bucket_headers_create(apr_bucket_alloc_t *list,
                                       h2_headers *r);

h2_headers *h2_bucket_headers_get(apr_bucket *b);

/**
* Create the headers from the given status and headers
* @param status the headers status
* @param header the headers of the headers
* @param notes  the notes carried by the headers
* @param raw_bytes the raw network bytes (if known) used to transmit these
* @param pool the memory pool to use
*/
h2_headers *h2_headers_create(int status, const apr_table_t *header,
                              const apr_table_t *notes, apr_off_t raw_bytes,
                              apr_pool_t *pool);

/**
* Create the headers from the given request_rec.
* @param r the request record which was processed
* @param status the headers status
* @param header the headers of the headers
* @param pool the memory pool to use
*/
h2_headers *h2_headers_rcreate(request_rec *r, int status,
                               const apr_table_t *header, apr_pool_t *pool);

/**
* Copy the headers into another pool. This will not copy any
* header strings.
*/
h2_headers *h2_headers_copy(apr_pool_t *pool, h2_headers *h);

/**
* Clone the headers into another pool. This will also clone any
* header strings.
*/
h2_headers *h2_headers_clone(apr_pool_t *pool, h2_headers *h);

/**
* Create the headers for the given error.
* @param type the error code
* @param req the original h2_request
* @param pool the memory pool to use
*/
h2_headers *h2_headers_die(apr_status_t type,
                           const struct h2_request *req, apr_pool_t *pool);

int h2_headers_are_final_response(h2_headers *headers);

/**
* Give the number of bytes of all contained header strings.
*/
apr_size_t h2_headers_length(h2_headers *headers);

/**
* For H2HEADER buckets, return the length of all contained header strings.
* For all other buckets, return 0.
*/
apr_size_t h2_bucket_headers_headers_length(apr_bucket *b);

apr_bucket *h2_bucket_headers_clone(apr_bucket *b, apr_pool_t *pool,
                                    apr_bucket_alloc_t *list);

#endif /* !AP_HAS_RESPONSE_BUCKETS */

#endif /* defined(__mod_h2__h2_headers__) */

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