litespeed-quic/src/liblsquic/lsquic_headers_stream.h

83 lines
2.6 KiB
C

/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
/*
* lsquic_headers_stream.h -- HEADERS stream interface
*/
#ifndef LSQUIC_HEADERS_STREAM_H
#define LSQUIC_HEADERS_STREAM_H 1
#include <stdint.h>
struct iovec;
struct lsquic_stream_if;
struct lsquic_stream;
struct lsquic_mm;
struct lsquic_http_headers;
struct lsquic_frame_reader;
struct lsquic_frame_writer;
struct uncompressed_headers;
struct lsquic_engine_public;
struct lsquic_http2_setting;
#if LSQUIC_CONN_STATS
struct conn_stats;
#endif
/* Incoming frames result in new objects or events. Callbacks in this
* struct are used to dispatch them.
*/
struct headers_stream_callbacks
{
void (*hsc_on_headers)
(void *frame_cb_ctx, struct uncompressed_headers *);
void (*hsc_on_enable_push) (void *hs_cb_ctx, int enable_push);
void (*hsc_on_push_promise)
(void *frame_cb_ctx, struct uncompressed_headers *);
void (*hsc_on_priority) (void *hs_cb_ctx, lsquic_stream_id_t stream_id,
int exclusive, lsquic_stream_id_t dep_stream_id, unsigned weight);
void (*hsc_on_stream_error) (void *hs_cb_ctx, lsquic_stream_id_t stream_id);
void (*hsc_on_conn_error) (void *hs_cb_ctx);
};
struct headers_stream *
lsquic_headers_stream_new (int is_server, struct lsquic_engine_public *,
const struct headers_stream_callbacks *,
#if LSQUIC_CONN_STATS
struct conn_stats *,
#endif
void *hs_cb_ctx);
void
lsquic_headers_stream_destroy (struct headers_stream *);
int
lsquic_headers_stream_send_headers (struct headers_stream *hs,
lsquic_stream_id_t stream_id,
const struct lsquic_http_headers *, int eos,
unsigned weight);
int
lsquic_headers_stream_push_promise (struct headers_stream *hs,
lsquic_stream_id_t stream_id, lsquic_stream_id_t promised_stream_id,
const struct lsquic_http_headers *);
int
lsquic_headers_stream_send_priority (struct headers_stream *hs,
lsquic_stream_id_t stream_id, int exclusive,
lsquic_stream_id_t dep_stream_id, unsigned weight);
int
lsquic_headers_stream_send_settings (struct headers_stream *hs,
const struct lsquic_http2_setting *, unsigned count);
struct lsquic_stream *
lsquic_headers_stream_get_stream (const struct headers_stream *);
size_t
lsquic_headers_stream_mem_used (const struct headers_stream *);
extern const struct lsquic_stream_if *const lsquic_headers_stream_if;
#endif