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/*
* nghttp3
*
* Copyright (c) 2019 nghttp3 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NGHTTP3_TNODE_H
#define NGHTTP3_TNODE_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <nghttp3/nghttp3.h>
#include "nghttp3_pq.h"
#define NGHTTP3_TNODE_MAX_CYCLE_GAP (1llu << 24)
typedef struct nghttp3_tnode {
nghttp3_pq_entry pe;
size_t num_children;
int64_t id;
uint64_t cycle;
/* pri is a stream priority produced by nghttp3_pri_to_uint8. */
uint8_t pri;
} nghttp3_tnode;
void nghttp3_tnode_init(nghttp3_tnode *tnode, int64_t id, uint8_t pri);
void nghttp3_tnode_free(nghttp3_tnode *tnode);
void nghttp3_tnode_unschedule(nghttp3_tnode *tnode, nghttp3_pq *pq);
/*
* nghttp3_tnode_schedule schedules |tnode| using |nwrite| as penalty.
* If |tnode| has already been scheduled, it is rescheduled by the
* amount of |nwrite|.
*/
int nghttp3_tnode_schedule(nghttp3_tnode *tnode, nghttp3_pq *pq,
uint64_t nwrite);
/*
* nghttp3_tnode_is_scheduled returns nonzero if |tnode| is scheduled.
*/
int nghttp3_tnode_is_scheduled(nghttp3_tnode *tnode);
#endif /* NGHTTP3_TNODE_H */
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