/* 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_stream_set__
#define __mod_h2__h2_stream_set__

/**
 * A set of h2_stream instances. Allows lookup by stream id
 * and other criteria.
 */

typedef h2_stream *h2_stream_set_match_fn(void *ctx, h2_stream *stream);
typedef int h2_stream_set_iter_fn(void *ctx, h2_stream *stream);

typedef struct h2_stream_set h2_stream_set;


h2_stream_set *h2_stream_set_create(apr_pool_t *pool, int max);

void h2_stream_set_destroy(h2_stream_set *sp);

void h2_stream_set_add(h2_stream_set *sp, h2_stream *stream);

h2_stream *h2_stream_set_get(h2_stream_set *sp, int stream_id);

void h2_stream_set_remove(h2_stream_set *sp, int stream_id);

void h2_stream_set_iter(h2_stream_set *sp,
                        h2_stream_set_iter_fn *iter, void *ctx);

int h2_stream_set_is_empty(h2_stream_set *sp);

apr_size_t h2_stream_set_size(h2_stream_set *sp);

int h2_stream_set_has_unsubmitted(h2_stream_set *sp);
int h2_stream_set_has_open_input(h2_stream_set *sp);
int h2_stream_set_has_suspended(h2_stream_set *sp);

#endif /* defined(__mod_h2__h2_stream_set__) */