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/* Copyright 2015 greenbytes GmbH (https://www.greenbytes.de)
*
* Licensed 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_io_set__
#define __mod_h2__h2_io_set__
struct h2_io;
/**
* A set of h2_io instances. Allows lookup by stream id
* and other criteria.
*/
typedef struct h2_io_set h2_io_set;
h2_io_set *h2_io_set_create(apr_pool_t *pool);
apr_status_t h2_io_set_add(h2_io_set *set, struct h2_io *io);
h2_io *h2_io_set_get(h2_io_set *set, int stream_id);
h2_io *h2_io_set_remove(h2_io_set *set, struct h2_io *io);
int h2_io_set_is_empty(h2_io_set *set);
apr_size_t h2_io_set_size(h2_io_set *set);
typedef int h2_io_set_iter_fn(void *ctx, struct h2_io *io);
/**
* Iterator over all h2_io* in the set or until a
* callback returns 0. It is not safe to add or remove
* set members during iteration.
*
* @param set the set of h2_io to iterate over
* @param iter the function to call for each io
* @param ctx user data for the callback
* @return 1 iff iteration completed for all members
*/
int h2_io_set_iter(h2_io_set *set, h2_io_set_iter_fn *iter, void *ctx);
h2_io *h2_io_set_shift(h2_io_set *set);
#endif /* defined(__mod_h2__h2_io_set__) */
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