/* 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"

struct h2_bucket_beam;

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);

apr_bucket *h2_bucket_headers_beam(struct h2_bucket_beam *beam,

                                    apr_bucket_brigade *dest,

                                    const apr_bucket *src);

/**

 * 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, apr_table_t *header, 

                              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, 

                                 apr_table_t *header, apr_pool_t *pool);

/**

 * Clone the headers into another pool. This will not copy any

 * header strings.

 */

h2_headers *h2_headers_copy(apr_pool_t *pool, h2_headers *h);

/**

 * Create the headers for the given error.

 * @param stream_id id of the stream to create the headers for

 * @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_response(h2_headers *headers);

#endif /* defined(__mod_h2__h2_headers__) */