lsquic_frame_writer.h revision a74702c6
1a74702c6SGeorge Wang/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc.  See LICENSE. */
250aadb33SDmitri Tikhonov/*
350aadb33SDmitri Tikhonov * lsquic_frame_writer.h -- write frames to HEADERS stream.
450aadb33SDmitri Tikhonov */
550aadb33SDmitri Tikhonov
650aadb33SDmitri Tikhonov#ifndef LSQUIC_FRAME_WRITER_H
750aadb33SDmitri Tikhonov#define LSQUIC_FRAME_WRITER_H 1
850aadb33SDmitri Tikhonov
950aadb33SDmitri Tikhonov#include <stddef.h>
1050aadb33SDmitri Tikhonov#include <stdint.h>
1150aadb33SDmitri Tikhonov
1250aadb33SDmitri Tikhonovstruct iovec;
13bea64822SDmitri Tikhonovstruct lshpack_enc;
1450aadb33SDmitri Tikhonovstruct lsquic_mm;
1550aadb33SDmitri Tikhonovstruct lsquic_frame_writer;
1650aadb33SDmitri Tikhonovstruct lsquic_stream;
175392f7a3SLiteSpeed Techstruct lsquic_reader;
1850aadb33SDmitri Tikhonovstruct lsquic_http_headers;
1950aadb33SDmitri Tikhonovstruct lsquic_http2_setting;
2019f667fbSDmitri Tikhonov#if LSQUIC_CONN_STATS
2119f667fbSDmitri Tikhonovstruct conn_stats;
2219f667fbSDmitri Tikhonov#endif
2350aadb33SDmitri Tikhonov
245392f7a3SLiteSpeed Techtypedef ssize_t (*fw_writef_f)(struct lsquic_stream *, struct lsquic_reader *);
2550aadb33SDmitri Tikhonov
2650aadb33SDmitri Tikhonovstruct lsquic_frame_writer *
2750aadb33SDmitri Tikhonovlsquic_frame_writer_new (struct lsquic_mm *, struct lsquic_stream *,
28bea64822SDmitri Tikhonov                         unsigned max_frame_sz, struct lshpack_enc *,
295392f7a3SLiteSpeed Tech                         fw_writef_f,
3019f667fbSDmitri Tikhonov#if LSQUIC_CONN_STATS
3119f667fbSDmitri Tikhonov                         struct conn_stats *,
3219f667fbSDmitri Tikhonov#endif
3319f667fbSDmitri Tikhonov                         int is_server);
3450aadb33SDmitri Tikhonov
3550aadb33SDmitri Tikhonovvoid
3650aadb33SDmitri Tikhonovlsquic_frame_writer_destroy (struct lsquic_frame_writer *);
3750aadb33SDmitri Tikhonov
3850aadb33SDmitri Tikhonovint
3950aadb33SDmitri Tikhonovlsquic_frame_writer_have_leftovers (const struct lsquic_frame_writer *);
4050aadb33SDmitri Tikhonov
4150aadb33SDmitri Tikhonovint
4250aadb33SDmitri Tikhonovlsquic_frame_writer_flush (struct lsquic_frame_writer *);
4350aadb33SDmitri Tikhonov
4450aadb33SDmitri Tikhonovint
4550aadb33SDmitri Tikhonovlsquic_frame_writer_write_headers (struct lsquic_frame_writer *,
465392f7a3SLiteSpeed Tech                                   lsquic_stream_id_t stream_id,
4750aadb33SDmitri Tikhonov                                   const struct lsquic_http_headers *,
4850aadb33SDmitri Tikhonov                                   int eos, unsigned weight);
4950aadb33SDmitri Tikhonov
5050aadb33SDmitri Tikhonovint
5150aadb33SDmitri Tikhonovlsquic_frame_writer_write_settings (struct lsquic_frame_writer *,
5250aadb33SDmitri Tikhonov    const struct lsquic_http2_setting *, unsigned n_settings);
5350aadb33SDmitri Tikhonov
5450aadb33SDmitri Tikhonovint
5550aadb33SDmitri Tikhonovlsquic_frame_writer_write_priority (struct lsquic_frame_writer *,
565392f7a3SLiteSpeed Tech                lsquic_stream_id_t stream_id, int exclusive,
575392f7a3SLiteSpeed Tech                lsquic_stream_id_t stream_dep_id, unsigned priority);
5850aadb33SDmitri Tikhonov
5950aadb33SDmitri Tikhonovint
6050aadb33SDmitri Tikhonovlsquic_frame_writer_write_promise (struct lsquic_frame_writer *,
615392f7a3SLiteSpeed Tech        lsquic_stream_id_t stream_id, lsquic_stream_id_t promised_stream_id,
625392f7a3SLiteSpeed Tech        const struct lsquic_http_headers *headers);
6350aadb33SDmitri Tikhonov
6450aadb33SDmitri Tikhonovvoid
6550aadb33SDmitri Tikhonovlsquic_frame_writer_max_header_list_size (struct lsquic_frame_writer *,
6650aadb33SDmitri Tikhonov                                          uint32_t max_size);
6750aadb33SDmitri Tikhonov
68c51ce338SDmitri Tikhonovsize_t
69c51ce338SDmitri Tikhonovlsquic_frame_writer_mem_used (const struct lsquic_frame_writer *);
70c51ce338SDmitri Tikhonov
7150aadb33SDmitri Tikhonov#endif
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