lsquic_headers_stream.h revision c51ce338
150aadb33SDmitri Tikhonov/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */ 250aadb33SDmitri Tikhonov/* 350aadb33SDmitri Tikhonov * lsquic_headers_stream.h -- HEADERS stream interface 450aadb33SDmitri Tikhonov */ 550aadb33SDmitri Tikhonov 650aadb33SDmitri Tikhonov#ifndef LSQUIC_HEADERS_STREAM_H 750aadb33SDmitri Tikhonov#define LSQUIC_HEADERS_STREAM_H 1 850aadb33SDmitri Tikhonov 950aadb33SDmitri Tikhonov#include <stdint.h> 1050aadb33SDmitri Tikhonov 1150aadb33SDmitri Tikhonovstruct iovec; 1250aadb33SDmitri Tikhonovstruct lsquic_stream_if; 1350aadb33SDmitri Tikhonovstruct lsquic_stream; 1450aadb33SDmitri Tikhonovstruct lsquic_mm; 1550aadb33SDmitri Tikhonovstruct lsquic_http_headers; 1650aadb33SDmitri Tikhonovstruct lsquic_frame_reader; 1750aadb33SDmitri Tikhonovstruct lsquic_frame_writer; 1850aadb33SDmitri Tikhonovstruct uncompressed_headers; 1950aadb33SDmitri Tikhonovstruct lsquic_engine_settings; 2050aadb33SDmitri Tikhonovstruct lsquic_http2_setting; 2150aadb33SDmitri Tikhonov 2250aadb33SDmitri Tikhonov 2350aadb33SDmitri Tikhonov/* Incoming frames result in new objects or events. Callbacks in this 2450aadb33SDmitri Tikhonov * struct are used to dispatch them. 2550aadb33SDmitri Tikhonov */ 2650aadb33SDmitri Tikhonovstruct headers_stream_callbacks 2750aadb33SDmitri Tikhonov{ 2850aadb33SDmitri Tikhonov void (*hsc_on_headers) 2950aadb33SDmitri Tikhonov (void *frame_cb_ctx, struct uncompressed_headers *); 3050aadb33SDmitri Tikhonov void (*hsc_on_enable_push) (void *hs_cb_ctx, int enable_push); 3150aadb33SDmitri Tikhonov void (*hsc_on_push_promise) 3250aadb33SDmitri Tikhonov (void *frame_cb_ctx, struct uncompressed_headers *); 3350aadb33SDmitri Tikhonov void (*hsc_on_priority) (void *hs_cb_ctx, uint32_t stream_id, 3450aadb33SDmitri Tikhonov int exclusive, uint32_t dep_stream_id, unsigned weight); 3550aadb33SDmitri Tikhonov void (*hsc_on_stream_error) (void *hs_cb_ctx, uint32_t stream_id); 3650aadb33SDmitri Tikhonov void (*hsc_on_conn_error) (void *hs_cb_ctx); 3750aadb33SDmitri Tikhonov}; 3850aadb33SDmitri Tikhonov 3950aadb33SDmitri Tikhonov 4050aadb33SDmitri Tikhonovstruct headers_stream * 4150aadb33SDmitri Tikhonovlsquic_headers_stream_new (int is_server, struct lsquic_mm *, 4250aadb33SDmitri Tikhonov const struct lsquic_engine_settings *, 4350aadb33SDmitri Tikhonov const struct headers_stream_callbacks *, 4450aadb33SDmitri Tikhonov void *hs_cb_ctx); 4550aadb33SDmitri Tikhonov 4650aadb33SDmitri Tikhonovvoid 4750aadb33SDmitri Tikhonovlsquic_headers_stream_destroy (struct headers_stream *); 4850aadb33SDmitri Tikhonov 4950aadb33SDmitri Tikhonovint 5050aadb33SDmitri Tikhonovlsquic_headers_stream_send_headers (struct headers_stream *hs, 5150aadb33SDmitri Tikhonov uint32_t stream_id, 5250aadb33SDmitri Tikhonov const struct lsquic_http_headers *, int eos, 5350aadb33SDmitri Tikhonov unsigned weight); 5450aadb33SDmitri Tikhonov 5550aadb33SDmitri Tikhonovint 5650aadb33SDmitri Tikhonovlsquic_headers_stream_push_promise (struct headers_stream *hs, 5750aadb33SDmitri Tikhonov uint32_t stream_id, uint32_t promised_stream_id, 5850aadb33SDmitri Tikhonov const struct iovec *path, const struct iovec *host, 5950aadb33SDmitri Tikhonov const struct lsquic_http_headers *); 6050aadb33SDmitri Tikhonov 6150aadb33SDmitri Tikhonovint 6250aadb33SDmitri Tikhonovlsquic_headers_stream_send_priority (struct headers_stream *hs, 6350aadb33SDmitri Tikhonov uint32_t stream_id, int exclusive, uint32_t dep_stream_id, unsigned weight); 6450aadb33SDmitri Tikhonov 6550aadb33SDmitri Tikhonovint 6650aadb33SDmitri Tikhonovlsquic_headers_stream_send_settings (struct headers_stream *hs, 6750aadb33SDmitri Tikhonov const struct lsquic_http2_setting *, unsigned count); 6850aadb33SDmitri Tikhonov 69c51ce338SDmitri Tikhonovstruct lsquic_stream * 70c51ce338SDmitri Tikhonovlsquic_headers_stream_get_stream (const struct headers_stream *); 71c51ce338SDmitri Tikhonov 72c51ce338SDmitri Tikhonovsize_t 73c51ce338SDmitri Tikhonovlsquic_headers_stream_mem_used (const struct headers_stream *); 74c51ce338SDmitri Tikhonov 7550aadb33SDmitri Tikhonovextern const struct lsquic_stream_if *const lsquic_headers_stream_if; 7650aadb33SDmitri Tikhonov 7750aadb33SDmitri Tikhonov#endif 78