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view src/http/v3/ngx_http_v3_uni.h @ 8989:81a3429db8b0 quic

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HTTP/3: delayed Insert Count Increment instruction. Sending the instruction is delayed until the end of the current event cycle. Delaying the instruction is allowed by quic-qpack-21, section 2.2.2.3. The goal is to reduce the amount of data sent back to client by accumulating several inserts in one instruction and sometimes not sending the instruction at all, if Section Acknowledgement was sent just before it.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 27 Jan 2022 12:20:47 +0300
parents 18d23ed15eef
children f742b1b46901
line wrap: on
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/*
 * Copyright (C) Roman Arutyunyan
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_V3_UNI_H_INCLUDED_
#define _NGX_HTTP_V3_UNI_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>


void ngx_http_v3_init_uni_stream(ngx_connection_t *c);
ngx_int_t ngx_http_v3_register_uni_stream(ngx_connection_t *c, uint64_t type);

ngx_connection_t *ngx_http_v3_create_push_stream(ngx_connection_t *c,
    uint64_t push_id);
ngx_int_t ngx_http_v3_set_max_push_id(ngx_connection_t *c,
    uint64_t max_push_id);
ngx_int_t ngx_http_v3_goaway(ngx_connection_t *c, uint64_t push_id);
ngx_int_t ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id);
ngx_int_t ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id);

ngx_int_t ngx_http_v3_send_settings(ngx_connection_t *c);
ngx_int_t ngx_http_v3_send_goaway(ngx_connection_t *c, uint64_t id);
ngx_int_t ngx_http_v3_send_ack_section(ngx_connection_t *c,
    ngx_uint_t stream_id);
ngx_int_t ngx_http_v3_send_cancel_stream(ngx_connection_t *c,
    ngx_uint_t stream_id);
ngx_int_t ngx_http_v3_send_inc_insert_count(ngx_connection_t *c,
    ngx_uint_t inc);


#endif /* _NGX_HTTP_V3_UNI_H_INCLUDED_ */