litespeed-quic/src/liblsquic/lsquic_frame_writer.h

72 lines
2.1 KiB
C

/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
/*
* lsquic_frame_writer.h -- write frames to HEADERS stream.
*/
#ifndef LSQUIC_FRAME_WRITER_H
#define LSQUIC_FRAME_WRITER_H 1
#include <stddef.h>
#include <stdint.h>
struct iovec;
struct lshpack_enc;
struct lsquic_mm;
struct lsquic_frame_writer;
struct lsquic_stream;
struct lsquic_reader;
struct lsquic_http_headers;
struct lsquic_http2_setting;
#if LSQUIC_CONN_STATS
struct conn_stats;
#endif
typedef ssize_t (*fw_writef_f)(struct lsquic_stream *, struct lsquic_reader *);
struct lsquic_frame_writer *
lsquic_frame_writer_new (struct lsquic_mm *, struct lsquic_stream *,
unsigned max_frame_sz, struct lshpack_enc *,
fw_writef_f,
#if LSQUIC_CONN_STATS
struct conn_stats *,
#endif
int is_server);
void
lsquic_frame_writer_destroy (struct lsquic_frame_writer *);
int
lsquic_frame_writer_have_leftovers (const struct lsquic_frame_writer *);
int
lsquic_frame_writer_flush (struct lsquic_frame_writer *);
int
lsquic_frame_writer_write_headers (struct lsquic_frame_writer *,
lsquic_stream_id_t stream_id,
const struct lsquic_http_headers *,
int eos, unsigned weight);
int
lsquic_frame_writer_write_settings (struct lsquic_frame_writer *,
const struct lsquic_http2_setting *, unsigned n_settings);
int
lsquic_frame_writer_write_priority (struct lsquic_frame_writer *,
lsquic_stream_id_t stream_id, int exclusive,
lsquic_stream_id_t stream_dep_id, unsigned priority);
int
lsquic_frame_writer_write_promise (struct lsquic_frame_writer *,
lsquic_stream_id_t stream_id, lsquic_stream_id_t promised_stream_id,
const struct lsquic_http_headers *headers);
void
lsquic_frame_writer_max_header_list_size (struct lsquic_frame_writer *,
uint32_t max_size);
size_t
lsquic_frame_writer_mem_used (const struct lsquic_frame_writer *);
#endif