openssl/include/internal/quic_fifd.h
Hugo Landau 9cacba434b QUIC FIFD: Add support for callback on frame ACK
We need to get acknowledgement notifications for our STOP_SENDING and
STREAM_RESET frames as this information is needed to know when we can
delete a QUIC_STREAM object.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20765)
2023-05-12 14:47:13 +01:00

81 lines
3.2 KiB
C

/*
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_QUIC_FIFD_H
# define OSSL_QUIC_FIFD_H
# include <openssl/ssl.h>
# include "internal/quic_types.h"
# include "internal/quic_cfq.h"
# include "internal/quic_ackm.h"
# include "internal/quic_txpim.h"
# include "internal/quic_stream.h"
# ifndef OPENSSL_NO_QUIC
/*
* QUIC Frame-in-Flight Dispatcher (FIFD)
* ======================================
*/
struct quic_fifd_st {
/* Internal data; use the ossl_quic_fifd functions. */
QUIC_CFQ *cfq;
OSSL_ACKM *ackm;
QUIC_TXPIM *txpim;
QUIC_SSTREAM *(*get_sstream_by_id)(uint64_t stream_id,
uint32_t pn_space,
void *arg);
void *get_sstream_by_id_arg;
void (*regen_frame)(uint64_t frame_type,
uint64_t stream_id,
QUIC_TXPIM_PKT *pkt,
void *arg);
void *regen_frame_arg;
void (*confirm_frame)(uint64_t frame_type,
uint64_t stream_id,
QUIC_TXPIM_PKT *pkt,
void *arg);
void *confirm_frame_arg;
void (*sstream_updated)(uint64_t stream_id,
void *arg);
void *sstream_updated_arg;
};
int ossl_quic_fifd_init(QUIC_FIFD *fifd,
QUIC_CFQ *cfq,
OSSL_ACKM *ackm,
QUIC_TXPIM *txpim,
/* stream_id is UINT64_MAX for the crypto stream */
QUIC_SSTREAM *(*get_sstream_by_id)(uint64_t stream_id,
uint32_t pn_space,
void *arg),
void *get_sstream_by_id_arg,
/* stream_id is UINT64_MAX if not applicable */
void (*regen_frame)(uint64_t frame_type,
uint64_t stream_id,
QUIC_TXPIM_PKT *pkt,
void *arg),
void *regen_frame_arg,
void (*confirm_frame)(uint64_t frame_type,
uint64_t stream_id,
QUIC_TXPIM_PKT *pkt,
void *arg),
void *confirm_frame_arg,
void (*sstream_updated)(uint64_t stream_id,
void *arg),
void *sstream_updated_arg);
void ossl_quic_fifd_cleanup(QUIC_FIFD *fifd); /* (no-op) */
int ossl_quic_fifd_pkt_commit(QUIC_FIFD *fifd, QUIC_TXPIM_PKT *pkt);
# endif
#endif